/* =========================================================
   JaaiWorks — Design System
   ========================================================= */
:root {
  --brand-1: #7c5cff;
  --brand-2: #00c2a8;
  --brand-grad: linear-gradient(135deg, #7c5cff 0%, #00c2a8 100%);

  --sheets: #16a34a;
  --docs: #2563eb;
  --slides: #ea580c;
  --base: #9333ea;
  --reports: #0891b2;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 1px rgba(15,23,42,.04);
  --shadow: 0 4px 14px rgba(15, 23, 42, .08), 0 1px 3px rgba(15,23,42,.05);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .18), 0 8px 20px rgba(15,23,42,.08);

  --t-fast: 120ms cubic-bezier(.2,.8,.2,1);
  --t: 200ms cubic-bezier(.2,.8,.2,1);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-elev: #ffffff;
  --bg-soft: #f1f3f9;
  --bg-inset: #eef0f6;
  --border: #e4e7ef;
  --border-strong: #cdd2de;
  --text: #0f172a;
  --text-soft: #475569;
  --text-mute: #94a3b8;
  --hover: #f1f3f9;
  --active: #e6e9f3;
  --accent: var(--brand-1);
  --danger: #dc2626;
  --warning: #d97706;
  --success: #16a34a;
  --selection: #c7d2fe;
}

[data-theme="dark"] {
  --bg: #0b0d12;
  --bg-elev: #14171f;
  --bg-soft: #181c26;
  --bg-inset: #11141b;
  --border: #232733;
  --border-strong: #313747;
  --text: #e7eaf2;
  --text-soft: #a4adc2;
  --text-mute: #6c7793;
  --hover: #1c2030;
  --active: #242a3c;
  --accent: #9b85ff;
  --danger: #f87171;
  --warning: #fbbf24;
  --success: #4ade80;
  --selection: #3b3470;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  height: 100%;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--selection); }

button { font-family: inherit; }
input, textarea, select { font-family: inherit; color: inherit; }
/* Ensure native <option> dropdowns are readable in dark mode. Browsers
   render the option list using the OS picker, which doesn't always
   inherit the parent <select>'s color — set both explicitly. */
option { background-color: var(--bg-elev); color: var(--text); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.hidden { display: none !important; }

/* ---------- App shell ---------- */
#app {
  display: grid;
  grid-template-rows: 56px 1fr;
  height: 100vh;
}

.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 0 18px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  z-index: 5;
}
.topbar__brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 16px;
  cursor: pointer;
  user-select: none;
}
.topbar__brand .logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--brand-grad);
  display: grid; place-items: center;
  color: white; font-weight: 800; font-size: 16px;
  box-shadow: 0 4px 12px rgba(124,92,255,.35);
}
.topbar__brand .name {
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  letter-spacing: -.01em;
}

.topbar__breadcrumb {
  display: flex; align-items: center; gap: 6px;
  color: var(--text-soft); font-size: 13px;
}
.topbar__breadcrumb .sep { opacity: .5; }
.topbar__breadcrumb .crumb-link {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  color: inherit;
  font: inherit;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.topbar__breadcrumb .crumb-link:hover { background: var(--hover); color: var(--text); }
.topbar__breadcrumb .doc-title {
  font-weight: 600; color: var(--text);
  background: transparent; border: 1px solid transparent;
  padding: 4px 8px; border-radius: 6px;
  outline: none; min-width: 100px;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.topbar__breadcrumb .doc-title:hover { background: var(--hover); }
.topbar__breadcrumb .doc-title:focus { background: var(--bg-elev); border-color: var(--accent); }

.topbar__spacer { flex: 1; }

.topbar__actions { display: flex; align-items: center; gap: 6px; }

.lang-picker {
  appearance: none;
  background-color: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text-soft);
  border-radius: 8px;
  padding: 5px 22px 5px 8px;
  font: 500 12px var(--font);
  cursor: pointer;
  outline: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-mute) 50%), linear-gradient(135deg, var(--text-mute) 50%, transparent 50%);
  background-position: calc(100% - 11px) 50%, calc(100% - 7px) 50%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
  transition: border-color var(--t-fast), color var(--t-fast);
}
.lang-picker:hover { border-color: var(--border-strong); color: var(--text); }
.lang-picker:focus { border-color: var(--accent); }

.icon-btn {
  appearance: none;
  background: transparent;
  border: none;
  width: 34px; height: 34px;
  border-radius: 8px;
  display: inline-grid; place-items: center;
  cursor: pointer; color: var(--text-soft);
  transition: background var(--t-fast), color var(--t-fast);
}
.icon-btn:hover { background: var(--hover); color: var(--text); }
.icon-btn.active { background: var(--active); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }

.btn {
  appearance: none;
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.btn:hover { background: var(--hover); }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--brand-grad);
  color: white; border-color: transparent;
  box-shadow: 0 4px 14px rgba(124,92,255,.35);
}
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: var(--border); }
.btn.danger:hover { background: rgba(220,38,38,.08); }
.btn svg { width: 16px; height: 16px; }
.btn.sm { padding: 5px 10px; font-size: 12.5px; border-radius: 6px; }

.kbd {
  display: inline-flex; align-items: center;
  padding: 1px 6px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-soft);
}

/* ---------- Workspace layout ---------- */
.workspace { display: grid; grid-template-columns: 248px 1fr; height: 100%; min-height: 0; }
.workspace.no-sidebar { grid-template-columns: 1fr; }

.sidebar {
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  padding: 14px 12px 10px;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 4px;
  position: relative;
}

/* Create-new CTA */
.sidebar__cta {
  appearance: none;
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 14px;
  background: var(--brand-grad);
  color: white;
  border: none;
  border-radius: 10px;
  font: 600 13.5px var(--font);
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(124,92,255,.32), inset 0 1px 0 rgba(255,255,255,.18);
  transition: transform var(--t-fast), box-shadow var(--t-fast), filter var(--t-fast);
  letter-spacing: -.005em;
}
.sidebar__cta:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(124,92,255,.4), inset 0 1px 0 rgba(255,255,255,.22); filter: brightness(1.04); }
.sidebar__cta:active { transform: translateY(0); }
.sidebar__cta-plus {
  width: 22px; height: 22px;
  display: inline-grid; place-items: center;
  background: rgba(255,255,255,.2);
  border-radius: 6px;
}
.sidebar__cta-plus svg { width: 14px; height: 14px; stroke-width: 2.5; }

/* Sections */
.sidebar__section {
  display: flex; flex-direction: column;
  gap: 1px;
  padding: 6px 0;
}
.sidebar__section + .sidebar__section { margin-top: 4px; }
.sidebar__heading {
  margin: 4px 10px 6px;
  padding: 0;
  font: 600 10.5px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--text-mute);
}

/* Items */
.sidebar__item {
  appearance: none;
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 7px 10px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  font: 500 13.5px var(--font);
  text-align: left;
  position: relative;
  transition: background var(--t-fast), color var(--t-fast);
}
.sidebar__item:hover { background: var(--hover); color: var(--text); }
.sidebar__item:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg-elev), 0 0 0 4px var(--accent);
}

/* Active state — left accent bar + soft tint */
.sidebar__item.is-active {
  background: var(--active);
  color: var(--text);
  font-weight: 600;
}
.sidebar__item.is-active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 8px; bottom: 8px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--brand-grad);
}

/* Icon container — consistent sizing for all items */
.sidebar__icon {
  width: 18px; height: 18px;
  display: inline-grid; place-items: center;
  flex-shrink: 0;
  color: var(--text-mute);
  transition: color var(--t-fast);
}
.sidebar__icon svg {
  width: 16px; height: 16px;
  stroke-width: 1.75;
}
.sidebar__item:hover .sidebar__icon,
.sidebar__item.is-active .sidebar__icon { color: var(--text); }

/* App items get a subtle colored chip behind their icon */
.sidebar__item.is-app .sidebar__icon {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--app-tint, var(--bg-inset));
  color: var(--app-color, var(--text-soft));
}
.sidebar__item.is-app .sidebar__icon svg { width: 13px; height: 13px; stroke-width: 2; }
.sidebar__item.is-app--sheets { --app-color: #16a34a; --app-tint: rgba(22,163,74,.12); }
.sidebar__item.is-app--docs   { --app-color: #2563eb; --app-tint: rgba(37,99,235,.12); }
.sidebar__item.is-app--slides { --app-color: #ea580c; --app-tint: rgba(234,88,12,.12); }
.sidebar__item.is-app--base   { --app-color: #9333ea; --app-tint: rgba(147,51,234,.12); }
.sidebar__item.is-app--reports{ --app-color: #0891b2; --app-tint: rgba(8,145,178,.12); }

[data-theme="dark"] .sidebar__item.is-app--sheets { --app-tint: rgba(74,222,128,.16); --app-color: #4ade80; }
[data-theme="dark"] .sidebar__item.is-app--docs   { --app-tint: rgba(96,165,250,.16); --app-color: #60a5fa; }
[data-theme="dark"] .sidebar__item.is-app--slides { --app-tint: rgba(251,146,60,.16); --app-color: #fb923c; }
[data-theme="dark"] .sidebar__item.is-app--base   { --app-tint: rgba(192,132,252,.16); --app-color: #c084fc; }

.sidebar__item.is-app.is-active .sidebar__icon {
  background: var(--app-color);
  color: white;
}

.sidebar__label { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Badge — pill style */
.sidebar__badge {
  flex-shrink: 0;
  min-width: 22px;
  padding: 1px 7px;
  border-radius: 99px;
  background: var(--bg-inset);
  color: var(--text-mute);
  font: 600 11px/1.5 var(--mono);
  text-align: center;
  transition: background var(--t-fast), color var(--t-fast);
}
.sidebar__item:hover .sidebar__badge { background: var(--bg-elev); color: var(--text-soft); }
.sidebar__item.is-active .sidebar__badge {
  background: var(--bg-elev);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(15,23,42,.06);
}
[data-theme="dark"] .sidebar__item.is-active .sidebar__badge {
  background: rgba(255,255,255,.08);
  box-shadow: none;
}

/* Footer */
.sidebar__footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 10px;
}
.sidebar__tip {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(124,92,255,.08), rgba(0,194,168,.08));
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 11.5px;
  color: var(--text-soft);
  line-height: 1.5;
}
.sidebar__tip-icon {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  background: var(--brand-grad);
  color: white;
  border-radius: 6px;
  flex-shrink: 0;
}
.sidebar__tip-icon svg { width: 12px; height: 12px; }
.sidebar__brand-mini {
  text-align: center;
  font-size: 10.5px;
  color: var(--text-mute);
  letter-spacing: .02em;
}

.main { overflow: auto; min-width: 0; }

/* ---------- Dashboard ---------- */
.dash { padding: 32px clamp(20px, 5vw, 56px) 64px; max-width: 1280px; margin: 0 auto; }
.dash__hero {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 28px 32px;
  background: linear-gradient(135deg, rgba(124,92,255,.10), rgba(0,194,168,.10));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin-bottom: 28px;
  position: relative; overflow: hidden;
}
.dash__hero::before {
  content: '';
  position: absolute; inset: -40% -10% auto auto;
  width: 60%; height: 200%;
  background: radial-gradient(circle, rgba(124,92,255,.15), transparent 60%);
  pointer-events: none;
}
.dash__hero h1 {
  font-size: clamp(22px, 3vw, 30px);
  margin: 0 0 6px;
  letter-spacing: -.02em;
}
.dash__hero p { margin: 0; color: var(--text-soft); font-size: 14.5px; }
.dash__hero .actions { display: flex; gap: 10px; flex-wrap: wrap; }

.section-title {
  display: flex; align-items: center; gap: 10px;
  margin: 28px 0 14px;
  font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-mute);
}
.section-title .line { flex: 1; height: 1px; background: var(--border); }

/* ---------- Recent activity feed (M8.5) ---------- */
.activity-pill {
  font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: 999px;
  background: color-mix(in srgb, var(--brand) 16%, var(--bg-elev));
  color: var(--brand);
  letter-spacing: 0;
  text-transform: none;
}
.activity-feed {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.activity-bucket {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px 12px 12px;
}
.activity-bucket__label {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-mute);
  margin: 2px 4px 8px;
}
.activity-bucket__more {
  font-size: 12px; color: var(--text-mute);
  padding: 4px 8px 0;
}
.activity-row {
  width: 100%;
  display: flex; align-items: center; gap: 10px;
  padding: 6px 8px;
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  color: var(--text);
  transition: background var(--t);
}
.activity-row:hover { background: color-mix(in srgb, var(--brand) 8%, transparent); }
.activity-row__icon {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 6px;
  color: white;
  flex-shrink: 0;
}
.activity-row__icon svg { width: 13px; height: 13px; }
.activity-row__icon.is-app--sheets { background: linear-gradient(135deg,#16a34a,#15803d); }
.activity-row__icon.is-app--docs   { background: linear-gradient(135deg,#3b82f6,#1d4ed8); }
.activity-row__icon.is-app--slides { background: linear-gradient(135deg,#f97316,#c2410c); }
.activity-row__icon.is-app--base   { background: linear-gradient(135deg,#a855f7,#7e22ce); }
.activity-row__title {
  flex: 1; min-width: 0;
  font-size: 13px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.activity-row__kind {
  font-size: 11px; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: .04em;
}
.activity-row__time {
  font-size: 11.5px; color: var(--text-mute);
  flex-shrink: 0;
}

.create-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.create-card {
  position: relative;
  display: flex; flex-direction: column; gap: 10px;
  padding: 18px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.create-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.create-card .icon-tile {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  color: white;
  box-shadow: var(--shadow);
}
.create-card .icon-tile svg { width: 22px; height: 22px; }
.create-card h3 { margin: 0; font-size: 15px; }
.create-card p { margin: 0; color: var(--text-soft); font-size: 12.5px; }
.create-card.sheets .icon-tile { background: linear-gradient(135deg,#16a34a,#15803d); }
.create-card.docs .icon-tile { background: linear-gradient(135deg,#3b82f6,#1d4ed8); }
.create-card.slides .icon-tile { background: linear-gradient(135deg,#f97316,#c2410c); }
.create-card.base .icon-tile { background: linear-gradient(135deg,#a855f7,#7e22ce); }

/* ---------- Templates gallery (M8.4) ---------- */
.template-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  margin-bottom: 8px;
}
.template-card {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: left;
  color: var(--text);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.template-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.template-card__icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  font-size: 18px;
  background: color-mix(in srgb, var(--brand) 12%, var(--bg));
  flex-shrink: 0;
}
.template-card.sheets .template-card__icon { background: color-mix(in srgb, #16a34a 14%, var(--bg)); }
.template-card.docs   .template-card__icon { background: color-mix(in srgb, #3b82f6 14%, var(--bg)); }
.template-card.slides .template-card__icon { background: color-mix(in srgb, #f97316 14%, var(--bg)); }
.template-card.base   .template-card__icon { background: color-mix(in srgb, #a855f7 14%, var(--bg)); }
.template-card__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.template-card__title {
  font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}
.template-card__badge {
  font-size: 10px; font-weight: 700;
  padding: 1px 6px; border-radius: 999px;
  background: color-mix(in srgb, var(--brand) 18%, var(--bg-elev));
  color: var(--brand);
  text-transform: uppercase; letter-spacing: .04em;
}
.template-card__desc {
  font-size: 12.5px; color: var(--text-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.template-card__kind {
  font-size: 10.5px; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: .06em;
  margin-top: 2px;
}

.file-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.file-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
  position: relative;
  display: flex; flex-direction: column; gap: 10px;
}
.file-card:hover { transform: translateY(-1px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.file-card .thumb {
  height: 110px;
  border-radius: 8px;
  background: var(--bg-inset);
  display: grid; place-items: center;
  color: var(--text-mute);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.file-card .thumb .badge {
  position: absolute; top: 6px; left: 6px;
  font-size: 10.5px; font-weight: 700;
  padding: 2px 6px; border-radius: 99px;
  color: white;
  text-transform: uppercase; letter-spacing: .04em;
}
.file-card.sheets .thumb .badge { background: var(--sheets); }
.file-card.docs   .thumb .badge { background: var(--docs); }
.file-card.slides .thumb .badge { background: var(--slides); }
.file-card.base   .thumb .badge { background: var(--base); }
.file-card .meta { display: flex; align-items: center; gap: 8px; }
.file-card .meta .title {
  font-weight: 600; font-size: 13.5px; flex: 1;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.file-card .meta .star { color: var(--text-mute); }
.file-card .meta .star.on { color: #f59e0b; }
.file-card .sub { font-size: 12px; color: var(--text-mute); }
.file-card .menu-btn {
  position: absolute; top: 8px; right: 8px;
  background: rgba(0,0,0,.35); color: white;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 6px;
  opacity: 0; transition: opacity var(--t-fast);
  cursor: pointer; border: none;
}
.file-card:hover .menu-btn { opacity: 1; }

.empty {
  display: grid; place-items: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-mute);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
}
.empty h3 { color: var(--text); margin: 12px 0 6px; }

/* ---------- Command palette ---------- */
.palette {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.45);
  z-index: 100;
  display: grid; place-items: start center;
  padding-top: 12vh;
  backdrop-filter: blur(6px);
  animation: fade .15s ease;
}
.palette__panel {
  width: min(640px, 92vw);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.palette__input {
  width: 100%;
  padding: 16px 18px;
  font-size: 16px;
  border: none;
  background: transparent;
  outline: none;
  border-bottom: 1px solid var(--border);
}
.palette__results { max-height: 50vh; overflow-y: auto; padding: 6px; }
.palette__item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 8px;
  cursor: pointer;
}
.palette__item.active { background: var(--active); }
.palette__item .ico {
  width: 28px; height: 28px; border-radius: 7px;
  display: grid; place-items: center; color: white;
}
.palette__item .ttl { font-weight: 500; }
.palette__item .sub { color: var(--text-mute); font-size: 12px; }
.palette__item .right { margin-left: auto; color: var(--text-mute); font-size: 11px; }
.palette__hint {
  border-top: 1px solid var(--border);
  padding: 8px 14px; font-size: 11.5px; color: var(--text-mute);
}

/* ---------- Toasts ---------- */
.toasts {
  position: fixed; bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 200; pointer-events: none;
}
.toast {
  pointer-events: auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-size: 13px;
  min-width: 220px;
  animation: slide-in .25s ease;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warning); }

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.5);
  z-index: 150;
  display: grid; place-items: center;
  animation: fade .15s ease;
}
.modal__panel {
  background: var(--bg-elev);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  width: min(440px, 92vw);
  padding: 22px;
}
.modal__panel h3 { margin: 0 0 6px; }
.modal__panel p { margin: 0 0 16px; color: var(--text-soft); }
.modal__panel .row { display: flex; gap: 8px; justify-content: flex-end; }
.modal__panel input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-inset);
  outline: none; margin-bottom: 14px;
  font-size: 14px;
}
.modal__panel input:focus { border-color: var(--accent); background: var(--bg-elev); }

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide-in { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- App pane ---------- */
.app-pane { height: 100%; display: flex; flex-direction: column; min-height: 0; }
.toolbar {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 12px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.toolbar .group { display: flex; align-items: center; gap: 2px; padding: 0 4px; }
.toolbar .sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }
.toolbar select, .toolbar input[type="number"], .toolbar input[type="text"] {
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 5px 8px; border-radius: 6px; font-size: 13px;
  outline: none; color: var(--text);
}
.toolbar select:focus, .toolbar input:focus { border-color: var(--accent); }
.toolbar input[type="color"] { width: 28px; height: 28px; padding: 0; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-soft); cursor: pointer; }

/* ============== SHEETS ============== */
.sheet-wrap { flex: 1; overflow: auto; background: var(--bg); position: relative; }
.formula-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 12px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.formula-bar .cell-ref {
  font-family: var(--mono);
  background: var(--bg-inset);
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 600; min-width: 60px; text-align: center;
}
.formula-bar .fx { color: var(--text-mute); font-style: italic; font-family: var(--mono); }
.formula-bar input {
  flex: 1; padding: 5px 8px;
  background: transparent; border: 1px solid transparent;
  border-radius: 6px; outline: none;
  font-family: var(--mono); font-size: 13px;
}
.formula-bar input:focus { background: var(--bg-inset); border-color: var(--accent); }

.sheet-table {
  border-collapse: collapse;
  table-layout: fixed;
  user-select: none;
  /* Prevent the table from clamping to its container — without this
     the browser distributes container width across columns, ignoring
     the per-column widths from <colgroup> and breaking column resize. */
  width: 1px;   /* tiny seed; table-layout:fixed expands to colgroup sum */
}
.sheet-table th, .sheet-table td {
  border: 1px solid var(--border);
  padding: 0;
  background: var(--bg-elev);
  font-size: 13px;
  position: relative;
  height: 26px;
}
.sheet-table th {
  background: var(--bg-soft);
  color: var(--text-soft);
  font-weight: 600;
  text-align: center;
  font-size: 11.5px;
  letter-spacing: .03em;
  position: sticky; top: 0; z-index: 2;
  height: 24px;
}
.sheet-table td.row-head, .sheet-table th.corner {
  position: sticky; left: 0; z-index: 1;
  background: var(--bg-soft);
  text-align: center; color: var(--text-soft);
  font-weight: 600; font-size: 11.5px;
  width: 44px; min-width: 44px;
}
.sheet-table th.corner { z-index: 3; }
.sheet-table td .cell-content {
  padding: 3px 6px;
  width: 100%; height: 100%;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sheet-table td.numeric .cell-content { text-align: right; font-variant-numeric: tabular-nums; }
.sheet-table td.selected {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  z-index: 1;
  /* Faint tint on the active cell too so you can spot it inside a
     range selection that has the same brand background. */
  background: color-mix(in srgb, var(--accent) 14%, var(--bg-elev));
}
.sheet-table td.in-range {
  background: color-mix(in srgb, var(--accent) 18%, var(--bg-elev));
}
[data-theme="dark"] .sheet-table td.selected {
  background: color-mix(in srgb, var(--accent) 28%, var(--bg-elev));
}
[data-theme="dark"] .sheet-table td.in-range {
  background: color-mix(in srgb, var(--accent) 32%, var(--bg-elev));
}
/* Header highlighting — when a column or row is touched by the selection,
   its header lights up in brand color (matches Excel / Sheets behavior). */
.sheet-table th.col-head.is-active,
.sheet-table td.row-head.is-active {
  background: color-mix(in srgb, var(--accent) 38%, var(--bg-soft));
  color: var(--text);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--accent);
}
[data-theme="dark"] .sheet-table th.col-head.is-active,
[data-theme="dark"] .sheet-table td.row-head.is-active {
  background: color-mix(in srgb, var(--accent) 50%, var(--bg-soft));
  color: #ffffff;
}
.sheet-table td .editor {
  position: absolute; inset: 0;
  border: 2px solid var(--accent);
  background: var(--bg-elev);
  padding: 2px 6px;
  font-size: 13px; outline: none;
  font-family: var(--mono);
  z-index: 5;
}
.sheet-table td.col-head, .sheet-table th.col-head {
  /* Default width — overridden per-column by <col> in <colgroup>.
     Note: no min-width here, otherwise resize-below-100 fails. */
  width: 100px;
}
.sheet-table td.error .cell-content { color: var(--danger); }

/* Cell comment / validation indicators */
.sheet-table td.has-comment::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 0; height: 0;
  border-style: solid;
  border-width: 0 6px 6px 0;
  border-color: transparent #f59e0b transparent transparent;
  pointer-events: none;
}
.sheet-table td.has-validation::before {
  content: '▾';
  position: absolute;
  top: 1px; right: 2px;
  font-size: 9px;
  color: var(--text-mute);
  pointer-events: none;
  opacity: .6;
}
.sheet-table td.has-validation.has-comment::before { right: 8px; }
.sheet-tabs {
  display: flex; align-items: center; gap: 4px;
  padding: 6px 10px;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
}
.sheet-tab {
  padding: 4px 12px; border-radius: 6px 6px 0 0;
  cursor: pointer; font-size: 12.5px; color: var(--text-soft);
}
.sheet-tab.active { background: var(--bg-inset); color: var(--text); font-weight: 600; }
.sheet-status {
  padding: 4px 12px;
  font-size: 12px; color: var(--text-soft);
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  display: flex; gap: 16px;
  font-variant-numeric: tabular-nums;
}

/* ============== DOCS ============== */
.docs-page-area { flex: 1; overflow: auto; background: var(--bg-inset); padding: 32px 0; }
.docs-page {
  width: min(816px, 96%);
  margin: 0 auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: var(--shadow);
  min-height: 1056px;
  padding: 96px 96px;
  outline: none;
  font-size: 15px; line-height: 1.65;
  color: var(--text);
}
.docs-page h1 { font-size: 28px; margin-top: .8em; }
.docs-page h2 { font-size: 22px; margin-top: .8em; }
.docs-page h3 { font-size: 18px; margin-top: .8em; }
.docs-page table { border-collapse: collapse; width: 100%; margin: 1em 0; }
.docs-page td, .docs-page th { border: 1px solid var(--border); padding: 6px 10px; }
.docs-page img { max-width: 100%; }
.docs-page blockquote { border-left: 3px solid var(--accent); padding: 4px 12px; margin: 1em 0; color: var(--text-soft); }
.docs-page pre { background: var(--bg-inset); padding: 12px; border-radius: 8px; font-family: var(--mono); }
.docs-page a { color: var(--accent); }
.docs-page figure.docs-chart {
  display: block; user-select: none; cursor: pointer;
  transition: box-shadow .15s;
}
.docs-page figure.docs-chart:hover { box-shadow: 0 4px 16px rgba(15,23,42,.08); }
.docs-page figure.docs-chart .docs-chart__title {
  font: 700 14px var(--font); color: var(--text); text-align: center; padding: 4px 0 2px;
}
.docs-page figure.docs-chart .docs-chart__subtitle {
  font: italic 12px var(--font); color: var(--text-mute); text-align: center; padding: 0 0 4px;
}
.docs-page figure.docs-chart .docs-chart__body {
  width: 100%; overflow: hidden;
}
.docs-page figure.docs-chart .chart-svg { width: 100%; height: 100%; display: block; }
.docs-page figure.docs-chart .chart-legend {
  display: flex; flex-wrap: wrap; gap: 8px 14px; padding: 6px 4px 0; font-size: 11px; color: var(--text-soft);
}
.docs-page figure.docs-chart .chart-legend-item { display: inline-flex; align-items: center; gap: 4px; }
.docs-page figure.docs-chart .chart-legend .swatch { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.docs-page figure.docs-chart .chart-empty { padding: 24px; color: var(--text-mute); font-style: italic; text-align: center; }

/* ============== SLIDES ============== */
.slides-wrap { flex: 1; display: grid; grid-template-columns: 220px 1fr; min-height: 0; }
.slides-rail {
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px;
  display: flex; flex-direction: column; gap: 10px;
}
.slide-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  flex-shrink: 0;
  border: 2px solid transparent;
  border-radius: 6px;
  background: white;
  cursor: pointer;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--t-fast);
}
.slide-thumb.active { border-color: var(--accent); }
.slide-thumb .num {
  position: absolute; top: 2px; left: 4px;
  font-size: 10px; color: var(--text-mute); font-weight: 700;
}
.slide-thumb .preview {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.slide-thumb .preview-inner {
  position: absolute;
  top: 0; left: 0;
  width: 960px; height: 540px;
  transform-origin: top left;
}
.slide-thumb .del {
  position: absolute; bottom: 4px; right: 4px;
  background: rgba(0,0,0,.5); color: white;
  width: 20px; height: 20px; border-radius: 4px;
  border: none; cursor: pointer;
  display: none; place-items: center;
  font-size: 12px;
}
.slide-thumb:hover .del { display: grid; }

.slides-stage {
  background: var(--bg-inset);
  display: grid; place-items: center;
  overflow: auto; padding: 28px;
}
.slide-canvas {
  width: 960px; height: 540px;
  background: white; color: #111;
  position: relative;
  box-shadow: var(--shadow-lg);
  border-radius: 4px;
  overflow: hidden;
}
.slide-element {
  position: absolute;
  cursor: move;
  outline: 1px dashed transparent;
}
.slide-element:hover { outline-color: rgba(124,92,255,.4); }
.slide-element.selected { outline: 2px solid var(--accent); outline-offset: 1px; }
.slide-element[data-type="text"] {
  padding: 0;
  min-width: 40px; min-height: 24px;
  white-space: pre-wrap;
  word-wrap: break-word;
  box-sizing: border-box;
  /* Let content overflow visually only while editing; otherwise the
     measured height will be saved on blur, so this is mostly a safety
     net for inline transitions. */
  overflow: visible;
}
.slide-element[data-type="text"][contenteditable="true"] {
  cursor: text;
  /* Subtle inner ring while editing so the user sees the live edit box,
     even when content briefly exceeds e.h before blur saves the new size. */
  outline: 2px solid var(--accent) !important;
  outline-offset: 1px;
  background: rgba(124, 92, 255, .04);
}
/* Hanging-indent bullet lines render as block-level <div>s inside the
   text element. Tighten line-height so multi-line bullets stack cleanly. */
.slide-element--text > div { line-height: inherit; }
.slide-element[data-type="rect"] { background: var(--accent); }
.slide-element[data-type="ellipse"] { background: var(--accent); border-radius: 50%; }
.slide-element .resize-handle {
  position: absolute;
  width: 10px; height: 10px;
  background: white; border: 2px solid var(--accent);
  border-radius: 50%;
  bottom: -6px; right: -6px;
  cursor: nwse-resize;
  display: none;
}
.slide-element.selected .resize-handle { display: block; }

.slide-player {
  position: fixed; inset: 0;
  background: black; z-index: 300;
  display: grid; place-items: center;
}
.slide-player .stage { width: 90vw; max-width: 1600px; aspect-ratio: 16/9; background: white; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.slide-player .controls {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px;
  background: rgba(0,0,0,.6); padding: 8px 12px; border-radius: 999px;
  color: white; font-size: 13px; align-items: center;
  opacity: 1;
  transition: opacity .35s ease, transform .35s ease;
  /* Don't let the auto-hide steal mid-click events. */
  will-change: opacity;
}
.slide-player .controls button {
  background: transparent; color: white; border: none;
  cursor: pointer; padding: 4px 8px;
}
.slide-player .controls button:hover { color: var(--brand-2); }

/* Auto-hide after 3 s of inactivity. Mouse move / key / touch resurface
   them via JS toggling .controls-hidden on the overlay. */
.slide-player.controls-hidden { cursor: none; }
.slide-player.controls-hidden .controls {
  opacity: 0;
  transform: translateX(-50%) translateY(8px);
  pointer-events: none;
}

/* ============== BASE (Database) ============== */
.base-wrap { flex: 1; display: grid; grid-template-columns: 232px 1fr; min-height: 0; }

/* Base reuses the suite sidebar styles for full visual consistency */
.base-sidebar {
  border-right: 1px solid var(--border);
  padding: 14px 12px;
}

/* Compact kebab "more" affordance shown on hover/active */
.sidebar__kebab {
  flex-shrink: 0;
  width: 22px; height: 22px;
  display: inline-grid; place-items: center;
  border-radius: 6px;
  color: var(--text-mute);
  font-size: 16px; line-height: 1;
  letter-spacing: 1px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--t-fast), background var(--t-fast), color var(--t-fast);
  margin-left: -2px;
  margin-right: -4px;
}
.sidebar__item:hover .sidebar__kebab,
.sidebar__item.is-active .sidebar__kebab { opacity: 1; }
.sidebar__kebab:hover {
  background: var(--bg-elev);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(15,23,42,.08);
}
[data-theme="dark"] .sidebar__kebab:hover { background: rgba(255,255,255,.08); box-shadow: none; }

/* When kebab is visible, push the badge slightly so layout stays even */
.sidebar__item:hover .sidebar__badge,
.sidebar__item.is-active .sidebar__badge { margin-right: 0; }

/* ----- Grid (kept) ----- */
.base-grid-wrap { overflow: auto; height: 100%; }
.base-main { overflow: hidden; min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.base-main.is-sql { background: var(--bg-inset); }
.base-grid { border-collapse: collapse; width: max-content; min-width: 100%; }
.base-grid th, .base-grid td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  background: var(--bg-elev);
  font-size: 13px;
  text-align: left;
  min-width: 140px;
}
.base-grid th {
  background: var(--bg-soft);
  position: sticky; top: 0; z-index: 1;
  color: var(--text-soft); font-weight: 600;
  font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
}
.base-grid th .col-type { color: var(--text-mute); font-weight: 400; font-size: 10.5px; margin-left: 4px; }
.base-grid td input, .base-grid td select {
  width: 100%; border: none; background: transparent;
  outline: none; padding: 0; font-size: 13px; color: var(--text);
}
.base-grid td.checkbox { text-align: center; }
.base-grid tr:hover td { background: var(--hover); }
.base-toolbar { padding: 10px 14px; background: var(--bg-elev); border-bottom: 1px solid var(--border); display: flex; gap: 8px; align-items: center; }
/* Mobile-only tab strip — hidden on desktop, displayed via media query. */
.base-tabs {
  display: none; gap: 4px; padding: 6px 10px; background: var(--bg-elev);
  border-bottom: 1px solid var(--border); overflow-x: auto;
  scrollbar-width: thin; -webkit-overflow-scrolling: touch;
}
.base-tab {
  display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0;
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--bg); color: var(--text); font-size: 13px; cursor: pointer;
  white-space: nowrap; min-height: 32px;
}
.base-tab.is-active { background: var(--brand); color: #fff; border-color: var(--brand); }
.base-tab__badge {
  font-size: 11px; padding: 0 6px; border-radius: 999px;
  background: var(--bg-inset); color: var(--text-mute);
}
.base-tab.is-active .base-tab__badge { background: rgba(255,255,255,.25); color: #fff; }
.base-tab--sql { font-family: var(--mono); font-weight: 600; }
.base-tab--add { padding: 6px 10px; font-weight: 700; }
.base-toolbar input[type="search"] {
  padding: 6px 10px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg-soft); outline: none; color: var(--text); font-size: 13px;
  min-width: 200px;
}

/* ---------- Scrollbars ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-mute); }

/* ---------- Context menu ---------- */
.ctx-menu {
  position: fixed; z-index: 400;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 4px;
  min-width: 180px;
}
.ctx-menu .item {
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
  border-radius: 6px;
  display: flex; align-items: center; gap: 8px;
}
.ctx-menu .item:hover { background: var(--hover); }
.ctx-menu .item.danger { color: var(--danger); }
.ctx-menu .sep { height: 1px; background: var(--border); margin: 4px 0; }

/* ============================================================
   Mobile / touch support
   ============================================================ */

/* Hamburger is hidden by default; shown on narrow viewports. */
.topbar__hamburger { display: none; }

/* Phones & small tablets */
@media (max-width: 760px) {
  /* App shell: tighter topbar, hamburger visible, brand text optional */
  .topbar { padding: 0 10px; gap: 8px; }
  .topbar__hamburger { display: inline-grid; }
  .topbar__brand .name { display: none; }     /* logo only saves real estate */
  .topbar__breadcrumb { font-size: 12px; min-width: 0; }
  .topbar__breadcrumb .doc-title { max-width: 28vw; min-width: 0; }
  .topbar__actions .lang-picker,
  .topbar__actions #install-btn,
  .topbar__actions .save-label { display: none; }
  /* Save button collapses to icon */
  .topbar__actions .save-btn span { display: none; }

  /* Workspace becomes single-column; sidebar is a drawer overlay */
  .workspace { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: 0; top: 56px; bottom: 0;
    width: min(280px, 80vw);
    z-index: 60;
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,.18);
    display: flex;       /* override the @media display:none from earlier */
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open::after {
    content: ''; position: fixed; inset: 56px 0 0 0; z-index: 55;
    background: rgba(15,23,42,.4); animation: fade .15s ease;
  }
  body.sidebar-open .sidebar-backdrop { display: block; }

  /* Toolbars: horizontal scroll instead of wrapping; bigger tap targets */
  .toolbar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 6px 8px;
    scrollbar-width: thin;
  }
  .toolbar::-webkit-scrollbar { height: 4px; }
  .toolbar .group { flex-shrink: 0; }
  .toolbar .group[style*="margin-left:auto"],
  .toolbar .group[style*="margin-left: auto"] { margin-left: 0 !important; }
  .toolbar .sep { margin: 0 2px; }
  .icon-btn { width: 38px; height: 38px; }
  .btn.sm { padding: 7px 12px; font-size: 13px; }

  /* Dashboard: a touch more breathing room */
  .dash { padding: 18px 16px 48px; }
  .dash__hero { padding: 20px 18px; flex-direction: column; align-items: flex-start; }
  .create-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .file-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }

  /* Sheets: bigger row/cell for touch; the grid already h-scrolls */
  .sheet-table th, .sheet-table td { height: 32px; }
  .sheet-table th { height: 28px; }
  .formula-bar { padding: 4px 8px; gap: 6px; font-size: 12px; }
  .formula-bar .cell-ref { min-width: 48px; padding: 4px 6px; }
  .col-resize { width: 14px; right: -7px; }    /* fatter touch hit-zone */
  .row-resize { height: 14px; bottom: -7px; }

  /* Slides: rail flips to a horizontal strip across the top */
  .slides-wrap { grid-template-columns: 1fr; grid-template-rows: 124px 1fr; }
  .slides-rail {
    flex-direction: row; gap: 10px;
    border-right: none; border-bottom: 1px solid var(--border);
    padding: 10px; overflow-x: auto; overflow-y: hidden;
  }
  /* Bumped from 152×86 → 176×99 (still 16:9) for comfier touch reorder. */
  .slide-thumb { flex-shrink: 0; width: 176px; height: 99px; }
  .slides-stage { padding: 12px; }
  .slide-hints { display: none; }              /* keyboard tips don't apply */

  /* Base: same drawer pattern for its inner sidebar */
  .base-wrap { grid-template-columns: 1fr; }
  .base-sidebar { display: none; }
  /* Mobile-only horizontal tab strip surfaces the sidebar contents */
  .base-tabs { display: flex !important; }

  /* Docs: tighter padding */
  .docs-page-area { padding: 14px 0; }
  .docs-page { padding: 56px 32px; min-height: 600px; }
  .docs-outline, .docs-comments, .docs-summary { display: none; }

  /* AI panel: full-width sheet on phones */
  .ai-panel { width: 100vw; max-width: 100vw; }

  /* Modals: adjust to keyboard appearance — top-anchored */
  .modal { align-items: flex-start; padding-top: 8vh; }
  .modal__panel { width: min(420px, 94vw); }

  /* Command palette */
  .palette__panel { width: 94vw; }
  .palette { padding-top: 6vh; }

  /* SQL pane was already responsive; nothing else to tweak. */

  /* Charts editor */
  .chart-editor__grid { grid-template-columns: 1fr; }
  .chart-editor__preview { min-height: 220px; }

  /* Find/replace stays on top — make full-width */
  .fr-panel { width: calc(100vw - 24px); right: 12px; left: 12px; top: 64px; }
}

/* Touch refinements that apply at any width when input is coarse */
@media (pointer: coarse) {
  /* Larger hit areas for thin handles */
  .col-resize { width: 12px; right: -6px; }
  .row-resize { height: 12px; bottom: -6px; }
  .resize-handle { width: 16px; height: 16px; bottom: -8px; right: -8px; }
  .fill-handle { width: 14px; height: 14px; right: -7px; bottom: -7px; }
  /* Disable hover-only affordances that misbehave on touch */
  .file-card .menu-btn { opacity: 1; }
  .slide-thumb .del { display: grid; }
  /* Buttons big enough for thumbs */
  .icon-btn { min-width: 38px; min-height: 38px; }
}

/* When the keyboard is up on iOS, the visual viewport shrinks. We inherit
   the topbar/sidebar via fixed positioning which is fine. No-op here but
   reserved for future tweaks. */


/* ============== CHARTS (Sheets) ============== */
.charts-layer {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 4;
}
.chart-card {
  position: absolute;
  pointer-events: auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  min-width: 220px; min-height: 160px;
  overflow: hidden;
  transition: box-shadow var(--t-fast);
}
.chart-card:hover { box-shadow: 0 28px 70px rgba(15,23,42,.22), 0 8px 20px rgba(15,23,42,.10); }
.chart-card.is-dragging { opacity: .92; cursor: grabbing; user-select: none; }

.chart-card__header {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-soft), var(--bg-elev));
  cursor: grab;
  user-select: none;
}
.chart-card__header:active { cursor: grabbing; }
.chart-card__title {
  font-size: 13px; font-weight: 600;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  flex: 1;
}
.chart-card__range {
  font: 600 10.5px var(--mono);
  color: var(--text-mute);
  background: var(--bg-inset);
  padding: 2px 6px;
  border-radius: 4px;
}
.chart-card__btn {
  width: 24px; height: 24px;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1;
}
.chart-card__body {
  flex: 1;
  padding: 10px 12px 6px;
  display: flex; flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.chart-card__resize {
  position: absolute;
  right: 0; bottom: 0;
  width: 14px; height: 14px;
  cursor: nwse-resize;
  background:
    linear-gradient(135deg, transparent 0 50%, var(--border-strong) 50% 60%, transparent 60% 70%, var(--border-strong) 70% 80%, transparent 80%);
  border-bottom-right-radius: var(--radius);
}
.chart-svg {
  width: 100%;
  flex: 1;
  min-height: 0;
  display: block;
}
.chart-svg .chart-axis {
  font: 10.5px var(--font);
  fill: var(--text-mute);
}
.chart-svg .chart-donut-total {
  font-size: 18px; fill: var(--text);
}
.chart-empty {
  display: grid; place-items: center;
  height: 100%;
  color: var(--text-mute);
  font-size: 12px;
  font-style: italic;
}
.chart-legend {
  display: flex; flex-wrap: wrap; gap: 4px 12px;
  padding: 4px 0 2px;
  font-size: 11px;
  color: var(--text-soft);
}
.chart-legend-item {
  display: inline-flex; align-items: center; gap: 5px;
  white-space: nowrap;
}
.chart-legend .swatch {
  width: 9px; height: 9px;
  border-radius: 2px;
  display: inline-block;
}

/* Chart editor modal */
.modal__panel.chart-editor {
  width: min(820px, 96vw);
  padding: 24px 26px;
}
.chart-editor__grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 22px;
  margin-bottom: 18px;
}
.chart-editor__form { display: flex; flex-direction: column; gap: 12px; }
.chart-editor__form label {
  display: flex; flex-direction: column; gap: 5px;
  font: 600 11px var(--font);
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-mute);
}
.chart-editor__form input[type="text"],
.chart-editor__form input:not([type]),
.chart-editor__form select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  background: var(--bg-inset);
  border-radius: 6px;
  font: 400 13px var(--font);
  color: var(--text);
  outline: none;
  margin-bottom: 0;
}
.chart-editor__form input:focus,
.chart-editor__form select:focus { border-color: var(--accent); background: var(--bg-elev); }
.chart-editor__check {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
  text-transform: none !important;
  letter-spacing: 0 !important;
  font: 400 13px var(--font) !important;
  color: var(--text-soft) !important;
}
.chart-editor__check input { width: auto; margin: 0; }
.chart-editor__adv > summary {
  cursor: pointer; font: 600 11px var(--font); text-transform: uppercase;
  letter-spacing: .06em; color: var(--text-mute); padding: 8px 0;
  border-top: 1px solid var(--border); margin-top: 4px;
}
.chart-editor__adv-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; padding: 8px 0 4px;
}
.chart-editor__adv-grid label {
  display: flex; flex-direction: column; gap: 4px;
  font: 600 10px var(--font); text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-mute);
}
.chart-editor__adv-grid input,
.chart-editor__adv-grid select {
  padding: 6px 8px; border: 1px solid var(--border); background: var(--bg-inset);
  border-radius: 5px; font: 400 12px var(--font); color: var(--text); outline: none;
}
.chart-editor__adv-grid input:focus,
.chart-editor__adv-grid select:focus { border-color: var(--accent); }
.chart-editor__adv-grid label.chart-editor__check {
  grid-column: span 2; flex-direction: row !important; align-items: center;
  gap: 8px !important; text-transform: none !important; letter-spacing: 0 !important;
  font: 400 12px var(--font) !important; color: var(--text-soft) !important;
}
.chart-svg .chart-axis-title {
  font: 600 11px var(--font); fill: var(--text-soft); letter-spacing: .03em;
}
.chart-subtitle {
  font: 400 12px var(--font); color: var(--text-mute);
  padding: 0 12px 4px; margin-top: -2px; font-style: italic;
}
.chart-svg [data-cat] { transition: opacity .15s ease; cursor: pointer; }
.chart-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.chart-type-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 10px 6px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 8px;
  font: 600 11px var(--font);
  color: var(--text-soft);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.chart-type-btn svg { width: 20px; height: 20px; }
.chart-type-btn:hover { background: var(--hover); color: var(--text); }
.chart-type-btn.is-active {
  background: linear-gradient(135deg, rgba(124,92,255,.14), rgba(0,194,168,.14));
  border-color: var(--accent);
  color: var(--text);
}
.chart-editor__preview {
  background: var(--bg-inset);
  border: 1px dashed var(--border);
  border-radius: 8px;
  min-height: 320px;
  padding: 14px;
  display: flex;
}
.chart-card--preview {
  border: none !important;
  box-shadow: none !important;
  background: transparent !important;
}
.chart-card--preview .chart-card__body { padding: 0; }

/* ============== Save / dirty indicator (topbar) ============== */
.save-label {
  font-size: 12px;
  color: var(--text-mute);
  padding: 0 4px;
  font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
  transition: color var(--t-fast);
  white-space: nowrap;
}
.save-label.is-saved { color: var(--success); }
.save-label.is-saved::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--success);
  border-radius: 50%;
  display: inline-block;
}
.save-label.is-dirty { color: var(--warning); }
.save-label.is-dirty::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--warning);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: .55; transform: scale(.85); }
}

.save-btn {
  border-color: var(--border);
  color: var(--text-soft);
  transition: all var(--t-fast);
}
.save-btn:disabled {
  cursor: default;
  opacity: .55;
}
.save-btn:disabled:hover { background: var(--bg-elev); }
.save-btn.is-dirty {
  background: var(--brand-grad);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(124,92,255,.3);
}
.save-btn.is-dirty:hover { filter: brightness(1.05); transform: translateY(-1px); }
.save-btn svg { width: 14px; height: 14px; }

.title-wrap { display: inline-flex; align-items: center; gap: 6px; }
.dirty-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--warning);
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, .15);
  animation: pulse 1.6s ease-in-out infinite;
}

/* ============== BASE · SQL Console (DuckDB) ============== */
.duckdb-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-soft);
  font-family: var(--mono);
  padding: 4px 10px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 99px;
}
.duckdb-status .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.duckdb-status .dot-idle    { background: var(--text-mute); }
.duckdb-status .dot-loading { background: var(--warning); animation: pulse 1.4s ease-in-out infinite; }
.duckdb-status .dot-ready   { background: var(--success); box-shadow: 0 0 0 3px rgba(22,163,74,.15); }
.duckdb-status .dot-error   { background: var(--danger); }

.sql-pane {
  flex: 1;
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 0;
  background: var(--bg);
}

/* Schema explorer */
.sql-schema {
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex; flex-direction: column;
  min-height: 0;
}
.sql-schema__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px 8px;
  font: 600 10.5px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--text-mute);
}
.sql-schema__head .icon-btn { width: 24px; height: 24px; }
.sql-schema__head .icon-btn:hover { color: var(--accent); }
.sql-schema__body {
  padding: 0 8px 12px;
  display: flex; flex-direction: column; gap: 6px;
}
.sql-schema__table {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-soft);
}
.sql-schema__tname {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px;
  font: 600 12.5px var(--mono);
  color: var(--text);
  background: var(--bg-elev);
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast);
}
.sql-schema__tname:hover { background: var(--hover); }
.sql-schema__tname svg { width: 13px; height: 13px; color: var(--base); }
.sql-schema__tname span:nth-of-type(1) { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sql-schema__count {
  font: 600 10.5px var(--mono);
  background: var(--bg-inset);
  padding: 1px 6px;
  border-radius: 99px;
  color: var(--text-mute);
}
.sql-schema__cols {
  display: flex; flex-direction: column;
}
.sql-schema__col {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 10px 4px 24px;
  font: 12px var(--mono);
  cursor: pointer;
  color: var(--text-soft);
  transition: background var(--t-fast), color var(--t-fast);
}
.sql-schema__col:hover { background: var(--hover); color: var(--text); }
.sql-schema__cn { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sql-schema__ct {
  font-size: 10px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 1px 5px;
  background: var(--bg-inset);
  border-radius: 4px;
}

.sql-history {
  margin-top: 8px;
  border-top: 1px solid var(--border);
}
.sql-history__item {
  padding: 6px 14px;
  font: 11.5px var(--mono);
  color: var(--text-soft);
  cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast), color var(--t-fast);
}
.sql-history__item:hover { background: var(--hover); color: var(--text); }
.sql-history__item:last-child { border-bottom: none; }

.sql-saved {
  border-top: 1px solid var(--border);
}
.sql-saved__item {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast), color var(--t-fast);
}
.sql-saved__item:hover { background: var(--hover); }
.sql-saved__item:last-child { border-bottom: none; }
.sql-saved__item.is-active {
  background: color-mix(in srgb, var(--brand-1) 14%, var(--bg-elev));
  border-left: 3px solid var(--brand-1);
  padding-left: 9px;
}
.sql-saved__item.is-active .sql-saved__name { color: var(--text); font-weight: 600; }
.sql-saved__cached {
  flex-shrink: 0;
  font-size: 8px;
  color: var(--success);
  margin-right: 2px;
}
.sql-saved__name {
  flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  color: var(--text); font-weight: 500;
}
.sql-saved__del {
  width: 18px; height: 18px;
  border: none; background: transparent;
  color: var(--text-mute); font-size: 14px; line-height: 1;
  border-radius: 4px; cursor: pointer;
  opacity: 0;
  transition: opacity var(--t-fast), background var(--t-fast), color var(--t-fast);
}
.sql-saved__item:hover .sql-saved__del { opacity: 1; }
.sql-saved__del:hover { background: var(--danger); color: white; }

/* Editor + results split */
.sql-editor-wrap {
  display: grid;
  grid-template-rows: auto minmax(120px, 40%) 1fr;
  min-height: 0;
  min-width: 0;
}

/* Toolbar lives at the top of the editor pane (so the schema sidebar
   extends to the very top of the SQL view). */
.sql-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}

/* Layered editor: a transparent <textarea> on top of a syntax-highlighted
   <pre>. Both share identical font, padding, and dimensions so the
   caret aligns with the highlighted glyphs. */
.sql-editor-stack {
  position: relative;
  min-height: 0;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}
.sql-editor {
  /* shared metrics — DON'T break these */
  font: 13.5px/1.55 var(--mono);
  padding: 14px 18px;
  margin: 0;
  border: none;
  tab-size: 2;
  white-space: pre;
  word-wrap: normal;
  overflow: auto;
  box-sizing: border-box;
}
.sql-editor.sql-input {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  background: transparent;
  /* Keep caret visible; make text itself transparent so the highlight
     layer below shows through. */
  color: transparent;
  caret-color: var(--text);
  resize: none;
  outline: none;
  z-index: 2;
}
/* Selected text: paint a solid fg over the syntax-highlighted layer
   beneath so the selection has real contrast. Without this, color stays
   transparent and the multicolored tokens read through the selection
   band with no foreground contrast. */
.sql-editor.sql-input::selection { background: var(--selection); color: var(--text); }
[data-theme="dark"] .sql-editor.sql-input::selection { background: var(--selection); color: #f8fafc; }
.sql-editor.sql-input::placeholder { color: var(--text-mute); font-style: italic; }
.sql-editor.sql-hl {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  color: var(--text);
  z-index: 1;
  overflow: auto;
}

/* Token colors. Tuned for both light and dark themes. */
.sql-hl .sql-kw      { color: #7c3aed; font-weight: 600; }   /* keywords */
.sql-hl .sql-fn      { color: #0ea5e9; }                     /* functions */
.sql-hl .sql-string  { color: #16a34a; }                     /* 'literal' */
.sql-hl .sql-ident   { color: #d97706; }                     /* "quoted" */
.sql-hl .sql-number  { color: #db2777; }                     /* 42 / 3.14 */
.sql-hl .sql-comment { color: var(--text-mute); font-style: italic; }
.sql-hl .sql-punct   { color: var(--text-soft); }

[data-theme="dark"] .sql-hl .sql-kw      { color: #c4b5fd; }
[data-theme="dark"] .sql-hl .sql-fn      { color: #7dd3fc; }
[data-theme="dark"] .sql-hl .sql-string  { color: #86efac; }
[data-theme="dark"] .sql-hl .sql-ident   { color: #fcd34d; }
[data-theme="dark"] .sql-hl .sql-number  { color: #f9a8d4; }

/* Results */
.sql-results {
  background: var(--bg-elev);
  display: flex; flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.sql-results__empty {
  flex: 1;
  display: grid; place-items: center;
  color: var(--text-mute);
  font-size: 13px;
  font-style: italic;
}
.sql-results__meta {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  font: 12px var(--mono);
  color: var(--text-soft);
  background: var(--bg-soft);
  flex-shrink: 0;
}
.sql-results__meta em { color: var(--text-mute); font-style: normal; }
.sql-results__table-wrap {
  flex: 1;
  overflow: auto;
  min-height: 0;
}
.sql-results__table {
  border-collapse: collapse;
  width: max-content;
  min-width: 100%;
  font-size: 12.5px;
}
.sql-results__table th, .sql-results__table td {
  border: 1px solid var(--border);
  padding: 5px 10px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--mono);
  background: var(--bg-elev);
}
.sql-results__table th {
  background: var(--bg-soft);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-soft);
  position: sticky; top: 0; z-index: 1;
}
.sql-results__table tr:hover td { background: var(--hover); }
.sql-results__table td.is-num { text-align: right; font-variant-numeric: tabular-nums; }
.sql-results__table td.is-null { color: var(--text-mute); font-style: italic; }

.sql-error {
  margin: 14px;
  padding: 14px 18px;
  border: 1px solid var(--danger);
  background: rgba(220, 38, 38, .06);
  border-radius: 8px;
}
.sql-error__head {
  font-weight: 600; color: var(--danger);
  margin-bottom: 8px; font-size: 13px;
}
.sql-error pre {
  margin: 0;
  font: 12.5px/1.5 var(--mono);
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 900px) {
  .sql-pane { grid-template-columns: 1fr; }
  .sql-schema { display: none; }
}

/* ---------- Find & Replace panel ---------- */
.fr-panel {
  position: fixed; top: 70px; right: 20px; z-index: 1000;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: 10px; box-shadow: 0 12px 40px rgba(0,0,0,.18);
  padding: 8px; width: 340px; display: flex; flex-direction: column; gap: 6px;
  font-size: 13px;
}
.fr-row { display: flex; align-items: center; gap: 6px; }
.fr-input {
  flex: 1; padding: 6px 8px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg-soft); color: var(--text);
  font: inherit; outline: none;
}
.fr-input:focus { border-color: var(--brand-1); }
.fr-count { font-size: 11px; color: var(--text-mute); min-width: 48px; text-align: right; }
.fr-btn {
  padding: 5px 9px; border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--text); border-radius: 6px; cursor: pointer; font: inherit;
}
.fr-btn:hover { background: var(--hover); }
.fr-close { border: none; font-size: 16px; line-height: 1; padding: 4px 8px; }
.fr-opts { font-size: 11px; color: var(--text-mute); justify-content: flex-end; }
.fr-opts label { display: inline-flex; align-items: center; gap: 3px; cursor: pointer; }

mark.fr-hit { background: #fde68a; color: inherit; padding: 0; border-radius: 2px; }
mark.fr-hit-active { background: #f59e0b; color: white; padding: 0; border-radius: 2px; outline: 2px solid #d97706; }

/* ---------- Conditional formatting manager ---------- */
.cf-rules { max-height: 280px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; margin: 10px 0; }
.cf-rule-row { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
.cf-rule-row:last-child { border-bottom: none; }
.cf-rule-range { font-family: var(--mono); font-size: 12px; background: var(--bg-soft); padding: 2px 6px; border-radius: 4px; }
.cf-rule-desc { flex: 1; color: var(--text-soft); }
.cf-style-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin: 8px 0; font-size: 13px; }
.cf-style-row label { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Frozen rows / columns ---------- */
.sheet-table td.frozen-row, .sheet-table th.frozen-row {
  position: sticky; z-index: 2;
  background: var(--bg-elev);
  box-shadow: 0 1px 0 var(--border-strong);
}
.sheet-table td.frozen-col, .sheet-table th.frozen-col {
  position: sticky; z-index: 2;
  background: var(--bg-elev);
  box-shadow: 1px 0 0 var(--border-strong);
}
.sheet-table td.frozen-both {
  position: sticky; z-index: 4;
  background: var(--bg-elev);
  box-shadow: 1px 1px 0 var(--border-strong);
}
.sheet-table tr.frozen-row td.row-head { z-index: 3; }

/* ---------- Slides: speaker notes panel ---------- */
.slides-stage { display: flex; flex-direction: column; }
.slide-notes {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 10px 16px;
  display: flex; flex-direction: column; gap: 6px;
}
.slide-notes label { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-mute); font-weight: 600; }
.slide-notes textarea {
  width: 100%; min-height: 80px; max-height: 200px; resize: vertical;
  border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 10px; font: inherit; color: var(--text);
  background: var(--bg-elev);
}

/* ---------- Slides: presenter view ---------- */
.slide-player.presenter .stage { position: relative; }
.presenter-grid {
  position: absolute; inset: 0;
  display: grid; grid-template-columns: 2fr 1fr; gap: 10px;
  padding: 50px 20px 70px;
}
.presenter-main, .presenter-side { display: flex; flex-direction: column; gap: 10px; min-height: 0; }
.presenter-side { gap: 12px; }
.presenter-next { flex: 0 0 35%; display: flex; flex-direction: column; gap: 6px; min-height: 0; }
.presenter-notes { flex: 1; display: flex; flex-direction: column; gap: 6px; min-height: 0; }
.presenter-clock {
  display: flex; gap: 20px; padding: 10px 14px;
  background: rgba(255,255,255,.05); border-radius: 8px;
  font-variant-numeric: tabular-nums; color: #fff;
}
.presenter-clock > div { display: flex; flex-direction: column; gap: 2px; }
.presenter-clock span:last-child { font-size: 22px; font-weight: 700; }
.presenter-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: .08em;
  color: rgba(255,255,255,.5); font-weight: 600;
}
.slide-player.presenter .stage,
.slide-player.presenter .stage-next {
  flex: 1; position: relative; background: #000; border-radius: 8px; overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,.5);
}
#play-notes {
  flex: 1; overflow: auto; padding: 14px 16px;
  background: rgba(255,255,255,.04); border-radius: 8px;
  color: #fff; font-size: 18px; line-height: 1.5;
  white-space: pre-wrap;
}

/* ---------- Slides: image drop target ---------- */
.slide-canvas.drop-target {
  outline: 3px dashed var(--brand-1);
  outline-offset: -8px;
  background-color: rgba(124,92,255,.06) !important;
}

/* ---------- Base: link / lookup / rollup ---------- */
.link-cell {
  display: flex; flex-wrap: wrap; gap: 4px;
  width: 100%; min-height: 28px;
  padding: 3px 6px;
  background: transparent; border: none;
  cursor: pointer; text-align: left;
  font: inherit; color: inherit;
}
.link-cell:hover { background: var(--hover); }
.link-chip {
  display: inline-flex; align-items: center;
  background: linear-gradient(135deg, rgba(124,92,255,.16), rgba(0,194,168,.16));
  color: var(--text);
  padding: 2px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
  border: 1px solid rgba(124,92,255,.3);
  max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.link-empty { color: var(--text-mute); font-size: 12px; font-style: italic; }
.derived-cell {
  padding: 5px 8px; background: var(--bg-soft); color: var(--text-soft);
  font-size: 12.5px; min-height: 22px;
}
.derived-cell.is-err { color: var(--danger); font-family: var(--mono); font-size: 11px; }

.link-picker-list { max-height: 360px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
.link-picker-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; cursor: pointer; border-bottom: 1px solid var(--border);
}
.link-picker-row:last-child { border-bottom: none; }
.link-picker-row:hover { background: var(--hover); }
.link-picker-row.is-sel { background: rgba(124,92,255,.08); }
.lp-title { font-weight: 500; font-size: 13.5px; }
.lp-sub { color: var(--text-mute); font-size: 11.5px; margin-top: 2px; }
.cc-check { display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; font-size: 13px; }

/* ---------- Sheets: pivot editor ---------- */
.pivot-grid { display: grid; grid-template-columns: 280px 1fr; gap: 16px; margin: 12px 0; }
.pivot-form { display: flex; flex-direction: column; gap: 10px; }
.pivot-form label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--text-soft); }
.pivot-preview-wrap { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px; padding: 12px; max-height: 380px; overflow: auto; }
.pivot-label { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-mute); margin-bottom: 8px; font-weight: 600; }
.pivot-preview { border-collapse: collapse; font-size: 12px; font-family: var(--mono); }
.pivot-preview th, .pivot-preview td {
  border: 1px solid var(--border); padding: 4px 8px;
  background: var(--bg-elev); white-space: nowrap;
}
.pivot-preview th { background: #eef0f6; font-weight: 700; }
.pivot-preview td { text-align: right; }
.pivot-preview td:first-child { text-align: left; }
.pivot-preview-more { color: var(--text-mute); font-size: 11px; margin-top: 6px; font-style: italic; }
.pivot-empty, .pivot-err { color: var(--text-mute); font-size: 12px; padding: 14px; text-align: center; }
.pivot-err { color: var(--danger); }

/* ---------- Sheets: column / row resize + auto-fill ---------- */
.col-resize {
  position: absolute; top: 0; right: -4px; width: 8px; height: 100%;
  cursor: col-resize; z-index: 5;
  transition: background .15s;
}
.col-resize:hover { background: var(--brand-1); }
.col-resize:active { background: var(--brand-1); width: 4px; right: -2px; }
.row-resize {
  position: absolute; bottom: -4px; left: 0; width: 100%; height: 8px;
  cursor: row-resize; z-index: 5;
  transition: background .15s;
}
.row-resize:hover { background: var(--brand-1); }
.row-resize:active { background: var(--brand-1); height: 4px; bottom: -2px; }
.sheet-table th { position: relative; }
.sheet-table td.row-head { position: relative; }

.fill-handle {
  position: absolute; right: -4px; bottom: -4px;
  width: 8px; height: 8px;
  background: var(--accent, #7c5cff);
  border: 1.5px solid white;
  border-radius: 1px;
  cursor: crosshair;
  z-index: 6;
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.sheet-table td.fill-preview {
  outline: 1px dashed var(--accent, #7c5cff);
  outline-offset: -1px;
}

/* ---------- Base: filter manager ---------- */
.bf-list { max-height: 320px; overflow: auto; padding: 4px 0; }
.bf-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr 32px; gap: 8px;
  align-items: center; padding: 6px 0;
}
.bf-row select, .bf-row input { width: 100%; padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-elev); color: var(--text); font: inherit; }
.bf-spacer { display: block; }

/* ---------- Base: view tabs ---------- */
.view-tabs { display: inline-flex; gap: 2px; background: var(--bg-soft); border-radius: 8px; padding: 3px; margin-right: 4px; }
.view-tab { background: transparent; border: none; padding: 5px 12px; border-radius: 6px; cursor: pointer; font: inherit; font-size: 12.5px; color: var(--text-soft); }
.view-tab.is-active { background: var(--bg-elev); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.06); font-weight: 600; }
.view-tab:hover:not(.is-active) { color: var(--text); }

/* ---------- Base: kanban ---------- */
.kanban-wrap { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.kanban-toolbar { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 12.5px; color: var(--text-soft); }
.kanban-toolbar select { margin-left: 8px; padding: 3px 8px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); font: inherit; }
.kanban-board { display: flex; gap: 12px; overflow-x: auto; padding: 12px; align-items: flex-start; flex: 1; min-height: 0; }
.kanban-lane {
  flex: 0 0 280px; max-height: 100%; display: flex; flex-direction: column;
  background: var(--bg-soft); border-radius: 10px; border: 1px solid var(--border);
  min-height: 0;
}
.kanban-lane__head {
  padding: 10px 14px; display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--border); font-weight: 600; font-size: 13px;
}
.kanban-lane__count { margin-left: auto; background: var(--bg-elev); color: var(--text-mute); padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.kanban-lane__body { padding: 8px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; flex: 1; min-height: 60px; }
.kanban-lane__body.drop-on { background: rgba(124,92,255,.08); }
.kanban-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; cursor: grab; box-shadow: 0 1px 2px rgba(0,0,0,.04);
  transition: transform .12s, box-shadow .12s;
}
.kanban-card:hover { transform: translateY(-1px); box-shadow: 0 3px 10px rgba(0,0,0,.08); }
.kanban-card.is-dragging { opacity: .4; }
.kc-title { font-weight: 600; font-size: 13.5px; color: var(--text); margin-bottom: 4px; }
.kc-meta-row { display: flex; flex-wrap: wrap; gap: 4px; }
.kc-tag {
  display: inline-flex; align-items: center;
  background: linear-gradient(135deg, rgba(124,92,255,.16), rgba(0,194,168,.16));
  color: var(--text); padding: 1px 7px; border-radius: 999px;
  font-size: 11px; font-weight: 500;
}
.kc-meta { font-size: 11.5px; color: var(--text-mute); }
.kanban-add {
  border: 1px dashed var(--border); background: transparent; color: var(--text-mute);
  padding: 6px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.kanban-add:hover { background: var(--hover); color: var(--text); }
.kanban-empty { padding: 60px 40px; text-align: center; color: var(--text-mute); }
.kanban-empty h3 { color: var(--text); margin-bottom: 12px; }

.row-detail { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; max-height: 50vh; overflow: auto; }
.row-detail label { display: flex; flex-direction: column; gap: 4px; }
.row-detail label > span { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-mute); font-weight: 600; }

/* ---------- Sheets: filter editor ---------- */
.ft-cols { max-height: 380px; overflow: auto; display: flex; flex-direction: column; gap: 12px; padding: 8px 0; }
.ft-col { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; }
.ft-col-head { display: flex; align-items: baseline; gap: 8px; font-size: 13px; }
.ft-col select, .ft-col input[type=text], .ft-col input:not([type]) { padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-elev); color: var(--text); font: inherit; width: 100%; }
.ft-values { max-height: 140px; overflow: auto; display: flex; flex-direction: column; gap: 4px; padding: 6px 8px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 6px; }
.ft-values label { display: flex; gap: 6px; font-size: 12.5px; cursor: pointer; }

/* ---------- Sheets: sparklines & named ranges ---------- */
.spark-svg { display: block; margin: 2px auto; }
.spark-err { color: var(--text-mute); font-size: 10px; padding: 4px; }
.nr-list { max-height: 320px; overflow: auto; display: flex; flex-direction: column; gap: 6px; padding: 6px 0; }
.nr-row { display: grid; grid-template-columns: 1fr 1fr 32px; gap: 8px; align-items: center; }
.nr-row input { padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-elev); color: var(--text); font: inherit; }
.nr-row input[data-act=name] { font-family: var(--mono); font-weight: 600; }
.nr-row input[data-act=range] { font-family: var(--mono); }

/* ---------- AI Assistant panel ---------- */
.ai-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: 420px; max-width: 92vw;
  background: var(--bg-elev); border-left: 1px solid var(--border);
  box-shadow: -8px 0 32px rgba(0,0,0,.18);
  display: flex; flex-direction: column; z-index: 90;
  transform: translateX(100%); transition: transform .22s ease;
}
.ai-panel.is-open { transform: translateX(0); }
.ai-panel__head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px; border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.ai-panel__model {
  font-family: var(--mono); font-size: 11px; color: var(--text-mute);
  background: var(--bg-soft); padding: 2px 6px; border-radius: 4px;
}
.ai-panel__quick {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.ai-quick-btn {
  font-size: 12px; padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
  cursor: pointer; transition: all .12s;
}
.ai-quick-btn:hover { border-color: var(--brand); color: var(--brand); }
.ai-panel__log {
  flex: 1; overflow-y: auto; padding: 14px;
  display: flex; flex-direction: column; gap: 14px;
}
.ai-empty {
  margin: auto; text-align: center; color: var(--text-mute); padding: 32px 8px;
}
.ai-msg { display: flex; flex-direction: column; gap: 4px; }
.ai-msg__role {
  font-size: 10px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-mute); font-weight: 700;
}
.ai-msg--user .ai-msg__role { color: var(--brand); }
.ai-msg__body {
  font-size: 13.5px; line-height: 1.55; color: var(--text);
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 10px 12px; border-radius: 10px; white-space: normal; word-wrap: break-word;
}
.ai-msg--user .ai-msg__body {
  background: color-mix(in srgb, var(--brand) 12%, var(--bg-soft));
  border-color: color-mix(in srgb, var(--brand) 30%, var(--border));
}
.ai-msg__body pre {
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 10px; overflow-x: auto; font-family: var(--mono); font-size: 12px;
  margin: 6px 0;
}
.ai-msg__body code { font-family: var(--mono); font-size: 12.5px; }
.ai-msg__actions { display: flex; gap: 6px; margin-top: 6px; justify-content: flex-end; }
.ai-msg__autoapplied {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--success) 30%, transparent);
  border-radius: 99px;
  display: inline-block;
  letter-spacing: .02em;
  align-self: center;
}
.ai-typing {
  display: inline-block; color: var(--brand); font-weight: 700;
  animation: ai-blink 1s steps(2) infinite;
}
@keyframes ai-blink { 50% { opacity: 0; } }
.ai-panel__compose {
  border-top: 1px solid var(--border); padding: 10px 12px;
  display: flex; flex-direction: column; gap: 8px; background: var(--bg-elev);
  /* iOS visual-keyboard inset: sits above the soft keyboard on phones */
  padding-bottom: calc(10px + var(--kb-inset, 0px));
}
.ai-panel__compose textarea {
  width: 100%; min-height: 60px; max-height: 200px; resize: vertical;
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-soft); color: var(--text); font: inherit; font-size: 13px;
}
.ai-panel__compose textarea:focus { outline: none; border-color: var(--brand); }
.ai-panel__compose-row { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-mute); }
.ai-ctx-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }

/* ---------- Docs: outline rail ---------- */
.docs-page-area { display: flex; gap: 24px; }
.docs-outline {
  position: sticky; top: 12px; align-self: flex-start;
  width: 220px; max-height: calc(100vh - 160px); overflow-y: auto;
  margin-left: 16px; padding: 12px 8px; font-size: 12.5px;
  border-right: 1px solid var(--border);
}
.docs-outline__title {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-mute); font-weight: 700; margin-bottom: 8px;
}
.docs-outline__item {
  display: block; padding: 4px 8px; border-radius: 6px;
  color: var(--text); cursor: pointer; line-height: 1.35;
  text-decoration: none; transition: background .12s;
}
.docs-outline__item:hover { background: var(--hover); color: var(--brand); }
.docs-outline__item.lvl-1 { font-weight: 700; }
.docs-outline__item.lvl-2 { padding-left: 14px; }
.docs-outline__item.lvl-3 { padding-left: 22px; font-size: 12px; color: var(--text-soft); }
.docs-outline__item.lvl-4 { padding-left: 30px; font-size: 11.5px; color: var(--text-mute); }
.docs-outline__empty { color: var(--text-mute); font-style: italic; padding: 8px; }

/* ---------- Docs: inserted Table of Contents ---------- */
.docs-toc {
  border: 1px solid var(--border); background: var(--bg-soft);
  border-radius: 8px; padding: 12px 18px; margin: 14px 0;
}
.docs-toc__title { font-weight: 700; font-size: 13px; margin-bottom: 6px; color: var(--text-soft); }
.docs-toc ul { list-style: none; padding-left: 0; margin: 0; }
.docs-toc li { padding: 2px 0; }
.docs-toc a { color: var(--text); text-decoration: none; }
.docs-toc a:hover { color: var(--brand); }

/* ---------- Base: gallery view ---------- */
.gallery-wrap { padding: 12px; overflow-y: auto; height: 100%; }
.gallery-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.gallery-card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; cursor: pointer;
  display: flex; flex-direction: column; gap: 6px;
  transition: all .12s;
}
.gallery-card:hover { border-color: var(--brand); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.06); }
.gc-title { font-weight: 600; font-size: 14px; color: var(--text); margin-bottom: 4px; }
.gc-meta { display: flex; gap: 8px; align-items: baseline; font-size: 11.5px; }
.gc-key { color: var(--text-mute); flex-shrink: 0; min-width: 60px; }
.gc-val { color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Base: calendar view ---------- */
.calendar-wrap { padding: 12px; overflow-y: auto; height: 100%; display: flex; flex-direction: column; }
.cal-toolbar {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 10px; padding: 0 4px;
}
.cal-title { font-size: 16px; min-width: 180px; }
.cal-col-pick { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--text-mute); }
.cal-col-pick select { padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-elev); color: var(--text); }
.cal-grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 1px; background: var(--border); border: 1px solid var(--border);
  border-radius: 8px; overflow: hidden; flex: 1; min-height: 0;
}
.cal-head {
  background: var(--bg-soft); padding: 8px;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; color: var(--text-mute); text-align: center;
}
.cal-cell {
  background: var(--bg-elev); padding: 6px;
  min-height: 92px; display: flex; flex-direction: column; gap: 3px;
  font-size: 11.5px;
}
.cal-cell--out { background: var(--bg-soft); opacity: .6; }
.cal-day { font-weight: 700; color: var(--text-soft); font-size: 12px; }
.cal-event {
  background: color-mix(in srgb, var(--brand) 18%, var(--bg-elev));
  border-left: 3px solid var(--brand); padding: 2px 6px;
  border-radius: 3px; cursor: pointer; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
  color: var(--text);
}
.cal-event:hover { background: color-mix(in srgb, var(--brand) 28%, var(--bg-elev)); }
.cal-more { font-size: 10.5px; color: var(--text-mute); padding-left: 4px; }

/* ---------- Version history dialog ---------- */
.vh-modal { width: min(1080px, 96vw) !important; }
.vh-grid {
  display: grid; grid-template-columns: 260px 1fr; gap: 14px;
  flex: 1; min-height: 0;
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  background: var(--bg-inset);
}
.vh-timeline {
  overflow-y: auto; padding: 10px 8px;
  border-right: 1px solid var(--border);
  background: var(--bg);
}
.vh-day {
  font: 600 10px var(--font); text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-mute); padding: 8px 10px 4px;
}
.vh-row {
  width: 100%; display: flex; align-items: baseline; justify-content: space-between;
  padding: 7px 10px; border-radius: 6px; cursor: pointer;
  border: 1px solid transparent; background: transparent;
  font: 13px var(--font); color: var(--text); text-align: left;
  transition: background .1s;
}
.vh-row:hover { background: var(--bg-soft); }
.vh-row.is-selected { background: var(--accent); color: #fff; border-color: var(--accent); }
.vh-row.is-selected .vh-row__meta { color: rgba(255,255,255,.8); }
.vh-row__time { font-weight: 600; }
.vh-row__meta { font-size: 11px; color: var(--text-mute); font-family: var(--mono); }
.vh-empty { color: var(--text-mute); font-size: 12.5px; font-style: italic; padding: 12px; }

.vh-preview { display: flex; flex-direction: column; min-height: 0; background: var(--bg); overflow: hidden; }
.vh-preview__hint { padding: 32px; color: var(--text-mute); font-size: 13px; font-style: italic; text-align: center; }
.vh-preview__header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--bg-soft);
}
.vh-preview__title { font: 600 15px var(--font); color: var(--text); }
.vh-preview__sub { font: 12px var(--font); color: var(--text-mute); margin-top: 2px; }
.vh-preview__body { flex: 1; overflow: auto; padding: 14px 18px; min-height: 0; }
.vh-preview__label { font: 600 11px var(--font); text-transform: uppercase; letter-spacing: .05em; color: var(--text-mute); margin: 8px 0 6px; }
.vh-preview__doc {
  font: 14px Georgia, 'Times New Roman', serif; color: var(--text); line-height: 1.55;
  background: #fff; padding: 18px 22px; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.vh-preview__doc h1 { font-size: 24px; margin: 0 0 10px; }
.vh-preview__doc h2 { font-size: 18px; margin: 14px 0 6px; }
.vh-preview__doc h3 { font-size: 15px; margin: 12px 0 4px; }
.vh-preview__doc p, .vh-preview__doc li { margin: 4px 0; }
.vh-preview__doc table { border-collapse: collapse; width: 100%; margin: 8px 0; }
.vh-preview__doc th, .vh-preview__doc td { border: 1px solid #e2e8f0; padding: 4px 8px; font-size: 12px; }
.vh-preview__doc img { max-width: 100%; }
.vh-preview__sheet { background: #fff; border-radius: 6px; overflow: auto; }
.vh-preview__sheet table { border-collapse: collapse; font: 11px var(--mono); }
.vh-preview__sheet th, .vh-preview__sheet td {
  border: 1px solid var(--border); padding: 3px 6px; min-width: 56px; text-align: left;
}
.vh-preview__sheet th { background: var(--bg-soft); color: var(--text-mute); font-weight: 600; }
.vh-preview__slides {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px;
}
.vh-preview__slide {
  position: relative; border: 1px solid var(--border); border-radius: 6px;
  padding: 12px; aspect-ratio: 16/9; display: flex; flex-direction: column; gap: 6px;
  overflow: hidden;
}
.vh-preview__slide-num { position: absolute; top: 6px; right: 8px; font: 600 10px var(--mono); color: rgba(0,0,0,.45); }
.vh-preview__slide-title { font: 600 13px var(--font); color: rgba(0,0,0,.85); }
.vh-preview__slide-more { font: 11px var(--font); color: rgba(0,0,0,.6); line-height: 1.4; }
.vh-preview__base table { border-collapse: collapse; width: 100%; margin: 6px 0 14px; }
.vh-preview__base th, .vh-preview__base td {
  border: 1px solid var(--border); padding: 4px 8px; font-size: 12px; text-align: left;
}
.vh-preview__base th { background: var(--bg-soft); font-weight: 600; }
.vh-preview__cards { font-size: 13px; color: var(--text); padding-left: 18px; }
.vh-preview__cards li { margin: 4px 0; }
.vh-preview__json { font: 11px var(--mono); white-space: pre-wrap; word-break: break-all; color: var(--text-mute); }

/* ---------- Docs: comments ---------- */
.docs-comments {
  position: sticky; top: 12px; align-self: flex-start;
  width: 280px; max-height: calc(100vh - 160px); overflow-y: auto;
  margin-right: 16px; padding: 8px;
  display: flex; flex-direction: column; gap: 10px;
}
.docs-comments__empty { color: var(--text-mute); font-size: 12px; padding: 16px 8px; font-style: italic; text-align: center; }
.docs-comment {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; font-size: 12.5px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.dc-anchor {
  font-style: italic; color: var(--text-mute); cursor: pointer;
  border-left: 3px solid var(--brand); padding: 2px 8px;
  background: var(--bg-soft); border-radius: 3px;
}
.dc-anchor:hover { color: var(--brand); }
.dc-replies { display: flex; flex-direction: column; gap: 6px; }
.dc-reply { padding: 4px 0; }
.dc-meta { font-size: 10.5px; color: var(--text-mute); font-weight: 600; }
.dc-text { color: var(--text); margin-top: 2px; line-height: 1.4; white-space: pre-wrap; word-wrap: break-word; }
.dc-form { display: flex; flex-direction: column; gap: 6px; border-top: 1px solid var(--border); padding-top: 6px; }
.dc-form textarea {
  width: 100%; padding: 6px 8px; font: inherit; font-size: 12px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-soft); color: var(--text); resize: vertical;
}
.dc-actions { display: flex; gap: 6px; justify-content: flex-end; }
.docs-comment-anchor {
  background: color-mix(in srgb, #ffd166 50%, transparent);
  border-bottom: 1.5px solid #ffb000; cursor: pointer;
}
.docs-comment-anchor.is-flash {
  animation: dc-flash 1.2s ease-out;
}
@keyframes dc-flash {
  0% { background: #ffd166; }
  100% { background: color-mix(in srgb, #ffd166 50%, transparent); }
}

/* ---------- Docs: AI ghost suggestion ---------- */
.ai-ghost {
  color: var(--text-mute);
  opacity: .6;
  font-style: italic;
  user-select: none;
  pointer-events: none;
}
.ai-ghost::after {
  content: ' ⇥ Tab to accept';
  font-size: 9.5px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 4px;
  margin-left: 4px;
  color: var(--brand);
  font-style: normal;
  vertical-align: middle;
}

/* ---------- Docs: page chrome (header/footer bands) ---------- */
.docs-pg-chrome {
  margin: 0 auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-size: 12px; color: var(--text-mute);
  text-align: center; padding: 8px 16px;
}
.docs-pg-head { border-radius: 4px 4px 0 0; border-bottom: none; }
.docs-pg-foot { border-radius: 0 0 4px 4px; border-top: none; }

/* ---------- Base: form view ---------- */
.form-wrap { padding: 24px; overflow-y: auto; height: 100%; }
.base-form {
  max-width: 560px; margin: 0 auto;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px 28px;
  display: flex; flex-direction: column; gap: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,.04);
}
.base-form h2 { margin: 0; font-size: 22px; }
.form-hint { color: var(--text-mute); font-size: 13px; margin: 0 0 8px; }
.form-field { display: flex; flex-direction: column; gap: 4px; }
.form-label { font-size: 12px; font-weight: 600; color: var(--text-soft); }
.form-field input[type=text],
.form-field input[type=number],
.form-field input[type=date],
.form-field input[type=url],
.form-field select {
  padding: 8px 10px; font: inherit;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-soft); color: var(--text);
}
.form-field input:focus, .form-field select:focus { outline: none; border-color: var(--brand); }
.form-row { display: flex; gap: 8px; align-items: center; padding-top: 8px; border-top: 1px solid var(--border); margin-top: 4px; }
.form-status { color: var(--success); font-size: 13px; min-height: 18px; }

/* ---------- Slides: layout picker ---------- */
.layout-grid {
  display: grid; gap: 10px; grid-template-columns: repeat(2, 1fr);
}
.layout-card {
  text-align: left; padding: 14px 16px;
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; color: var(--text);
  transition: all .12s;
}
.layout-card:hover { border-color: var(--brand); background: var(--bg-elev); transform: translateY(-1px); }
.layout-card__title { font-weight: 700; font-size: 14px; margin-bottom: 3px; }
.layout-card__desc { font-size: 12px; color: var(--text-mute); }

/* ---------- Base: conditional formatting modal ---------- */
.cr-list { display: flex; flex-direction: column; gap: 6px; max-height: 50vh; overflow-y: auto; padding: 4px 0; }
.cr-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr 36px 36px 32px;
  gap: 6px; align-items: center;
  padding: 4px; background: var(--bg-soft);
  border: 1px solid var(--border); border-radius: 6px;
}
.cr-row select, .cr-row input[type=text] {
  padding: 5px 8px; font: inherit; font-size: 12.5px;
  border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg-elev); color: var(--text); width: 100%;
}
.cr-row input[type=color] { width: 100%; height: 28px; padding: 0; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; }

/* ---------- Base: grouping rows ---------- */
.grp-head {
  cursor: pointer;
  background: linear-gradient(0deg, var(--bg-soft), var(--bg-elev));
}
.grp-head td {
  padding: 8px 12px !important;
  font-size: 12.5px;
  border-top: 2px solid var(--border) !important;
  user-select: none;
}
.grp-head:hover td { background: var(--hover); }
.grp-toggle { display: inline-block; width: 14px; color: var(--text-mute); font-size: 11px; margin-right: 2px; }
.grp-count { color: var(--text-mute); font-size: 11px; margin-left: 8px; font-weight: 400; }

.base-toolbar-select {
  padding: 4px 8px; font: inherit; font-size: 12.5px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-elev); color: var(--text);
}

/* ---------- Docs: suggestion mode ---------- */
ins.sugg-ins {
  background: color-mix(in srgb, #16a34a 22%, transparent);
  border-bottom: 1.5px solid #16a34a;
  text-decoration: none; cursor: pointer;
}
del.sugg-del {
  background: color-mix(in srgb, #ef4444 22%, transparent);
  text-decoration: line-through;
  text-decoration-color: #ef4444;
  cursor: pointer;
}
ins.sugg-ins:hover, del.sugg-del:hover {
  outline: 1px dashed currentColor;
  outline-offset: 1px;
}
.btn.is-active { background: color-mix(in srgb, var(--brand) 18%, var(--bg-elev)); border-color: var(--brand); }

/* ---------- Slides: presenter animations ---------- */
.slide-stage.tr-fade { animation: stage-fade .35s ease-out; }
.slide-stage.tr-slideLeft { animation: stage-slide-left .4s ease-out; }
.slide-stage.tr-zoom { animation: stage-zoom .4s ease-out; }
@keyframes stage-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes stage-slide-left { from { opacity: 0; transform: translate(calc(-50% + 80px), -50%) scale(var(--scale, 1)); } to { opacity: 1; } }
@keyframes stage-zoom { from { opacity: 0; transform: translate(-50%, -50%) scale(.94); } to { opacity: 1; } }

.slide-anim { animation-duration: .45s; animation-fill-mode: both; animation-timing-function: ease-out; }
.slide-anim--fade { animation-name: el-fade; }
.slide-anim--slideUp { animation-name: el-slide-up; }
.slide-anim--slideLeft { animation-name: el-slide-left; }
.slide-anim--pop { animation-name: el-pop; }
@keyframes el-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes el-slide-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes el-slide-left { from { opacity: 0; transform: translateX(48px); } to { opacity: 1; transform: none; } }
@keyframes el-pop { from { opacity: 0; transform: scale(.8); } to { opacity: 1; transform: scale(1); } }

/* ---------- Docs: footnotes ---------- */
.docs-footnotes { margin-top: 32px; font-size: 12.5px; color: var(--text-soft); }
.docs-footnotes hr { border: 0; border-top: 1px solid var(--border); margin: 14px 0; }
.docs-footnotes ol { margin: 0; padding-left: 20px; }
.docs-footnotes li { margin: 4px 0; line-height: 1.5; }
.docs-fn-ref a { color: var(--brand); text-decoration: none; padding: 0 2px; }

/* ---------- Docs: equations (KaTeX inline) ---------- */
.docs-eqn { display: inline-block; vertical-align: middle; user-select: all; }

/* ---------- Docs: smart chips ---------- */
.docs-chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 8px; margin: 0 1px;
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 999px; font-size: 12.5px; color: var(--text);
  text-decoration: none; cursor: pointer; vertical-align: baseline;
  user-select: all;
}
.docs-chip:hover { background: var(--hover); border-color: var(--brand); color: var(--brand); }
.chip-icon { font-size: 11px; }

.chip-menu {
  position: fixed; z-index: 200;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px; width: 280px;
  box-shadow: 0 6px 24px rgba(0,0,0,.12);
}
.chip-search {
  width: 100%; padding: 6px 8px; font: inherit; font-size: 13px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-soft); color: var(--text); margin-bottom: 6px;
}
.chip-results { max-height: 240px; overflow-y: auto; }
.chip-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 8px; border-radius: 5px; cursor: pointer; font-size: 13px;
}
.chip-item:hover { background: var(--hover); }
.chip-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip-empty { color: var(--text-mute); font-size: 12px; padding: 12px; text-align: center; font-style: italic; }

/* ---------- Base: long-text + attachment cells ---------- */
.lt-btn, .att-btn {
  background: transparent; border: 0; padding: 4px 6px;
  text-align: left; width: 100%; color: var(--text);
  font: inherit; font-size: 13px; cursor: pointer;
  border-radius: 4px;
  display: flex; gap: 4px; align-items: center; flex-wrap: wrap;
}
.lt-btn:hover, .att-btn:hover { background: var(--hover); }
.lt-empty, .att-empty { color: var(--text-mute); font-style: italic; }
.att-chip {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 1px 6px; background: var(--bg-soft);
  border: 1px solid var(--border); border-radius: 3px;
  font-size: 11px; color: var(--text);
}

.lt-toolbar { display: flex; gap: 4px; margin-bottom: 8px; }
.lt-toolbar button {
  padding: 4px 8px; font: inherit; font-size: 12px;
  border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--text); border-radius: 4px; cursor: pointer;
}
.lt-toolbar button:hover { background: var(--hover); border-color: var(--brand); }
.lt-editor {
  min-height: 240px; max-height: 50vh; overflow-y: auto;
  padding: 12px 14px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg-soft); color: var(--text);
  font: inherit; font-size: 14px; line-height: 1.6;
}
.lt-editor:focus { outline: none; border-color: var(--brand); }

.att-list { display: flex; flex-direction: column; gap: 4px; max-height: 40vh; overflow-y: auto; }
.att-row {
  display: grid; grid-template-columns: 24px 1fr auto 32px; gap: 8px;
  align-items: center; padding: 6px 10px;
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 6px; font-size: 13px;
}
.att-row .att-icon { font-size: 18px; }
.att-row .att-name { color: var(--text); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att-row .att-name:hover { color: var(--brand); }
.att-row .att-size { color: var(--text-mute); font-size: 11px; }

/* ---------- Slides: footer band ---------- */
.slide-footer-band {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center;
  padding: 6px 24px; font-size: 12px; color: #64748b;
  background: rgba(255,255,255,.55); backdrop-filter: blur(6px);
  pointer-events: none; user-select: none;
}
.slide-footer__text { font-style: italic; }
.slide-footer__num { font-family: var(--mono); }

/* ---------- Docs: cross-app embed ---------- */
.docs-embed {
  display: block; margin: 14px 0; padding: 12px;
  border: 1px solid var(--border); border-left: 3px solid var(--brand);
  border-radius: 6px; background: var(--bg-soft);
  user-select: none;
}
.docs-embed__head {
  font-size: 12px; color: var(--text-mute); margin-bottom: 8px;
  display: flex; gap: 8px; align-items: center;
}
.docs-embed__head a { color: var(--brand); text-decoration: none; }
.docs-embed__refresh {
  background: transparent; border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 6px; cursor: pointer; font-size: 11px; color: var(--text-mute);
}
.docs-embed__refresh:hover { color: var(--brand); border-color: var(--brand); }
.docs-embed__err { color: var(--danger); font-size: 12px; }
.docs-embed-tbl { border-collapse: collapse; font-size: 12px; }
.docs-embed-tbl td, .docs-embed-tbl th {
  border: 1px solid var(--border); padding: 4px 8px;
  background: var(--bg-elev); color: var(--text);
}
.docs-embed-tbl th { font-weight: 700; background: var(--hover); }

/* ---------- Slides cross-app embed (M8.3) ---------- */
.slide-element--embed { overflow: hidden; background: #fff; border: 1px solid #e2e8f0; border-radius: 4px; }
.slide-embed-tbl { width: 100%; border-collapse: collapse; font-size: 13px; color: #0f172a; font-family: Inter, sans-serif; }
.slide-embed-tbl td, .slide-embed-tbl th {
  border: 1px solid #e2e8f0;
  padding: 4px 8px;
  text-align: left;
}
.slide-embed-tbl th { font-weight: 700; background: #f1f5f9; }
.slide-embed-err { padding: 12px; color: #b45309; font-size: 13px; }

/* ---------- Docs: inline shapes ---------- */
.docs-shape { display: inline-block; user-select: all; vertical-align: middle; margin: 0 4px; }
.docs-shape svg { display: block; }

.shape-grid {
  display: grid; gap: 8px; grid-template-columns: repeat(3, 1fr);
}
.shape-card {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px; background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; color: var(--text); font-size: 11.5px;
}
.shape-card:hover { border-color: var(--brand); transform: translateY(-1px); }
.shape-card svg { width: 70px; height: 56px; }

/* ---------- Voice dictation indicator ---------- */
#btn-dictate.is-active { background: color-mix(in srgb, #ef4444 22%, var(--bg-elev)); border-color: #ef4444; color: #ef4444; }

/* ---------- Docs: AI summary sidebar ---------- */
.docs-summary {
  position: sticky; top: 12px; align-self: flex-start;
  width: 240px; max-height: calc(100vh - 160px); overflow-y: auto;
  margin-right: 16px; padding: 12px 14px; font-size: 12.5px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 10px;
}
.docs-summary__title {
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-mute); font-weight: 700; margin-bottom: 8px;
}
.docs-summary__body { line-height: 1.5; color: var(--text); }
.docs-summary__body strong { color: var(--brand); }

/* ---------- Accessibility (a11y sweep) ---------- */

/* Visible focus for keyboard users on every interactive element.
   :focus-visible avoids showing rings on mouse clicks. */
button:focus-visible,
.btn:focus-visible,
.icon-btn:focus-visible,
a:focus-visible,
[role="button"]:focus-visible,
[role="menuitem"]:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent, #7c5cff);
  outline-offset: 2px;
  border-radius: 6px;
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[contenteditable="true"]:focus-visible {
  outline: 2px solid var(--accent, #7c5cff);
  outline-offset: 1px;
}

/* Skip-to-content link, visible only when focused */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--accent, #7c5cff);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  left: 0;
}

/* Screen-reader-only utility */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Honor user's reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Higher-contrast outline when forced-colors (high contrast mode) is on */
@media (forced-colors: active) {
  .btn, .icon-btn, button { border: 1px solid CanvasText; }
}

/* ---------- Slide master ---------- */
.slide-element.is-master {
  pointer-events: none;       /* template layer is read-only on regular slides */
  opacity: .55;               /* hint that it's the cascading template */
}
.slide-canvas.editing-master {
  box-shadow: inset 0 0 0 3px #f59e0b;
}
.slide-canvas.editing-master::before {
  content: "Editing slide master";
  position: absolute; top: 8px; left: 12px;
  background: #f59e0b; color: white;
  font: 600 11px Inter, Arial; padding: 3px 8px; border-radius: 4px;
  z-index: 100;
}
/* In present mode, master elements are part of the slide — undim them. */
.slide-stage .slide-element.is-master { opacity: 1; }
#btn-master.active { background: #f59e0b; color: white; border-color: #f59e0b; }

/* ---------- Docs: bibliography & citations ---------- */
a.docs-cite {
  color: var(--brand, #7c5cff);
  text-decoration: none;
  background: color-mix(in srgb, #7c5cff 10%, transparent);
  padding: 0 4px; border-radius: 3px;
  font-size: .92em;
  white-space: nowrap;
}
a.docs-cite:hover { text-decoration: underline; }
.docs-references { margin-top: 28px; font-size: 14px; }
.docs-references h3 { margin: 0 0 8px; font-size: 15px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-mute); }
.docs-references__list { padding-left: 22px; line-height: 1.55; }
.docs-references__list li { margin-bottom: 6px; }

/* Bibliography manager */
.bib-list { max-height: 360px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.bib-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-bottom: 1px solid var(--border);
}
.bib-row:last-child { border-bottom: none; }
.bib-row__main { flex: 1; min-width: 0; }
.bib-row__key { font-family: var(--mono, monospace); font-size: 12px; color: var(--brand); font-weight: 600; }
.bib-row__cite { font-size: 12.5px; color: var(--text-soft); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bib-row__actions { display: flex; gap: 6px; flex-shrink: 0; }

/* ---------- Sheets virtualization spacers ---------- */
tr.virt-spacer { background: transparent; }
tr.virt-spacer td { border: 0 !important; padding: 0 !important; }

/* ---------- Slide thumbnail drag-reorder ---------- */
.slide-thumb { transition: opacity .15s; }
.slide-thumb.is-dragging { opacity: .4; }
.slide-thumb.drop-before { box-shadow: 0 -3px 0 0 var(--accent, #7c5cff); }
.slide-thumb.drop-after  { box-shadow:  0 3px 0 0 var(--accent, #7c5cff); }
.slide-thumb[draggable="true"] { cursor: grab; }
.slide-thumb[draggable="true"]:active { cursor: grabbing; }

/* ---------- Slide presenter: auto-play controls ---------- */
.slide-player .controls .ctrl-sep { width: 1px; height: 18px; background: rgba(255,255,255,.25); margin: 0 4px; }
.slide-player .controls select {
  background: transparent; color: white; border: 1px solid rgba(255,255,255,.25);
  border-radius: 4px; padding: 2px 6px; font: inherit; font-size: 12px;
  outline: none;
}
.slide-player .controls select option { background: #111; color: white; }
.slide-player .controls .ctrl-loop {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; user-select: none; cursor: pointer;
}
.slide-player .controls .ctrl-loop input { margin: 0; }

/* ---------- Sheets: formula autocomplete popup ---------- */
.formula-ac {
  position: fixed; z-index: 500; display: none;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: var(--shadow-lg);
  padding: 4px; max-height: 280px; overflow-y: auto;
  font-family: var(--mono);
}
.formula-ac__item {
  display: flex; align-items: center; gap: 10px;
  padding: 5px 10px; border-radius: 5px;
  font-size: 13px; cursor: pointer;
}
.formula-ac__item.is-sel,
.formula-ac__item:hover { background: var(--hover); }
.formula-ac__name { flex: 1; font-weight: 600; color: var(--text); }
.formula-ac__recent {
  font: 600 9.5px var(--font); text-transform: uppercase; letter-spacing: .06em;
  color: var(--brand-1); background: color-mix(in srgb, var(--brand-1) 14%, transparent);
  padding: 1px 6px; border-radius: 99px;
}

/* ---------- Docs: Cmd+K smart-insert results ---------- */
.si-result {
  padding: 8px 12px; border-radius: 6px; cursor: pointer;
  transition: background .12s;
}
.si-result:hover { background: var(--hover); }
.si-result + .si-result { margin-top: 2px; }

/* ---------- Slides: keyboard hints chip ---------- */
.slide-hints {
  position: absolute; left: 50%; bottom: 8px;
  transform: translateX(-50%);
  font-size: 11px; color: var(--text-mute);
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 99px; padding: 3px 12px;
  pointer-events: none; user-select: none;
  opacity: .55; transition: opacity .25s;
  white-space: nowrap;
  display: flex; align-items: center; gap: 4px;
}
.slide-hints:hover { opacity: 1; }
.slide-hints .kbd {
  display: inline-block; font-family: var(--mono);
  background: var(--bg-inset); border: 1px solid var(--border);
  border-radius: 4px; padding: 0 5px; font-size: 10px;
  color: var(--text); margin: 0 2px;
}
.slides-stage { position: relative; }

/* Pointer/touch — prevent the browser from interpreting drags as scrolls
   while the user is moving slide elements or resizing grid columns. */
.slide-canvas, .slide-element { touch-action: none; }
.col-resize, .row-resize, .resize-handle, .fill-handle { touch-action: none; }
.slide-thumb { touch-action: pan-y; }   /* allow vertical scroll, drag-reorder uses HTML5 DnD */

/* ---------- AI panel: voice button ---------- */
#ai-voice {
  width: 32px; height: 32px; flex-shrink: 0;
  border-radius: 8px;
}
#ai-voice.is-listening {
  background: color-mix(in srgb, #ef4444 22%, transparent);
  color: #ef4444;
  animation: ai-voice-pulse 1.6s ease-in-out infinite;
}
@keyframes ai-voice-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, .35); }
  50%      { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);   }
}

/* ---------- Multi-tab live collab ---------- */
.peer-badge {
  display: inline-flex; align-items: center;
  padding: 4px 8px; margin-right: 8px;
  background: color-mix(in srgb, var(--brand) 14%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border));
  color: var(--brand); font-size: 12px; font-weight: 600; border-radius: 999px;
  user-select: none;
}
.remote-banner {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-elev); border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  padding: 10px 16px; border-radius: 999px; font-size: 13px;
  z-index: 100; max-width: 90vw;
}

/* ==================== REPORTS ==================== */
.reports-shell {
  display: flex; flex-direction: column;
  height: 100%; overflow: hidden;
  background: var(--bg-soft);
}
.reports-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.reports-header__titles { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.reports-title {
  font: 700 22px var(--font); color: var(--text);
  background: transparent; border: 0; outline: none; padding: 2px 4px;
  border-radius: 4px;
}
.reports-title:focus { background: var(--bg-soft); }
.reports-subtitle {
  font: italic 13px var(--font); color: var(--text-mute);
  background: transparent; border: 0; outline: none; padding: 2px 4px;
}
.reports-subtitle:focus { background: var(--bg-soft); }
.reports-header__actions { display: flex; gap: 6px; }

.reports-filterbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 10px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  font: 12px var(--font);
}
.reports-filterbar__hint { color: var(--text-mute); font-style: italic; }
.reports-filter {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 8px; border-radius: 6px; background: var(--bg);
  border: 1px solid var(--border);
}
.reports-filter__label { font-weight: 600; color: var(--text-soft); text-transform: uppercase; letter-spacing: .03em; font-size: 11px; }
.reports-filter select, .reports-filter input {
  border: 0; outline: none; background: transparent; font: 13px var(--font); color: var(--text);
  padding: 2px 4px; min-width: 80px;
}
.reports-filter__edit {
  border: 0; background: transparent; color: var(--text-mute); cursor: pointer;
  padding: 0 2px; font-size: 12px;
}
.reports-filter__edit:hover { color: var(--accent); }

.reports-grid {
  flex: 1; overflow: auto; padding: 18px 22px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 90px;
  gap: 14px;
  align-content: start;
}
.reports-grid.is-edit { background-image:
  linear-gradient(to right, var(--border) 1px, transparent 1px),
  linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: calc((100% - 14px * 11) / 12 + 14px) calc(90px + 14px);
  background-position: 22px 18px;
}

.reports-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(15,23,42,.04);
  transition: box-shadow .15s, transform .1s;
  min-height: 0;
}
.reports-card:hover { box-shadow: 0 8px 24px rgba(15,23,42,.10); }
.reports-card__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font: 600 13px var(--font); color: var(--text);
}
.reports-card__title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reports-card__actions { display: flex; gap: 2px; }
.reports-card__body {
  flex: 1; min-height: 0; padding: 8px 10px;
  display: flex; flex-direction: column; overflow: hidden;
}
.reports-card__body .chart-svg { width: 100%; height: 100%; }
.reports-card__viz { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.reports-card__viz svg { flex: 1; min-height: 0; }
.reports-card__placeholder {
  flex: 1; display: flex; align-items: center; justify-content: center;
  color: var(--text-mute); font-style: italic; font-size: 13px;
}
.reports-card__error {
  padding: 12px; color: var(--danger); font-size: 12px; font-family: var(--mono);
  background: rgba(220,38,38,.05); border-radius: 6px;
}
.reports-card .chart-legend {
  display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 4px 4px 0;
  font-size: 10px; color: var(--text-mute);
}
.reports-card .chart-legend-item { display: inline-flex; align-items: center; gap: 4px; }
.reports-card .chart-legend .swatch { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* KPI tile */
.reports-kpi {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 8px;
}
.reports-kpi__value {
  font: 700 36px var(--font); color: var(--reports); letter-spacing: -.02em;
  line-height: 1;
}
.reports-kpi__label { font-size: 11px; color: var(--text-mute); margin-top: 4px; text-align: center; }

/* Table viz */
.reports-table-wrap { flex: 1; overflow: auto; }
.reports-table {
  width: 100%; border-collapse: collapse; font: 12px var(--font);
}
.reports-table th, .reports-table td {
  padding: 5px 8px; border-bottom: 1px solid var(--border);
  text-align: left;
}
.reports-table thead th {
  background: var(--bg-soft); font-weight: 700; position: sticky; top: 0;
  text-transform: uppercase; font-size: 10px; letter-spacing: .04em; color: var(--text-soft);
}

.reports-empty {
  position: absolute; inset: 120px 0 0 0;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  padding-top: 80px; gap: 8px; color: var(--text-soft);
  pointer-events: none;
}
.reports-empty * { pointer-events: auto; }
.reports-empty__icon { font-size: 56px; opacity: .5; }
.reports-empty h3 { font: 600 18px var(--font); color: var(--text); margin: 4px 0; }
.reports-empty p { color: var(--text-mute); font-size: 13px; max-width: 380px; text-align: center; }

/* Card editor modal */
.reports-editor { width: min(960px, 96vw); padding: 20px 24px; }
.reports-editor__grid {
  display: grid; grid-template-columns: 380px 1fr; gap: 18px; margin-bottom: 14px;
}
.reports-editor__form { display: flex; flex-direction: column; gap: 10px; max-height: 70vh; overflow: auto; padding-right: 8px; }
.reports-editor__form label {
  display: flex; flex-direction: column; gap: 4px;
  font: 600 11px var(--font); text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-mute);
}
.reports-editor__form input, .reports-editor__form select {
  padding: 6px 8px; border: 1px solid var(--border); background: var(--bg-inset);
  border-radius: 5px; font: 13px var(--font); color: var(--text); outline: none;
}
.reports-editor__form input:focus, .reports-editor__form select:focus { border-color: var(--accent); }
.reports-editor__sec {
  border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px;
  display: flex; flex-direction: column; gap: 8px;
}
.reports-editor__sec legend {
  font: 600 11px var(--font); text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-soft); padding: 0 6px;
}
.reports-pipeline { display: flex; flex-direction: column; gap: 4px; }
.reports-pipeline__add { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.reports-op {
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
  padding: 4px 6px; background: var(--bg-soft); border-radius: 4px;
  font-size: 12px;
}
.reports-op__name {
  font-weight: 700; color: var(--reports); text-transform: uppercase;
  font-size: 10px; letter-spacing: .05em; margin-right: 2px;
}
.reports-op input, .reports-op select {
  padding: 2px 6px; border: 1px solid var(--border); background: var(--bg);
  border-radius: 3px; font: 11px var(--mono); color: var(--text); width: auto; max-width: 110px;
}
.reports-op button[data-op-del] {
  border: 0; background: transparent; color: var(--text-mute); cursor: pointer;
  font-size: 14px; line-height: 1; padding: 0 4px; margin-left: auto;
}
.reports-op button[data-op-del]:hover { color: var(--danger); }
.reports-editor__preview {
  display: flex; flex-direction: column; gap: 6px;
  border: 1px solid var(--border); border-radius: 6px; padding: 10px;
  background: var(--bg-soft); min-height: 320px;
}
.reports-editor__preview-label {
  font: 600 11px var(--font); text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-mute);
}
#rep-preview { flex: 1; min-height: 240px; background: var(--bg); border-radius: 4px; padding: 6px; overflow: auto; }
.reports-editor__cols { font: 10px var(--mono); color: var(--text-mute); padding: 4px 6px; word-break: break-all; }

/* Sidebar app variant for reports */
.sidebar__item.is-app--reports { --app-color: #0891b2; --app-tint: rgba(8,145,178,.12); }
[data-theme="dark"] .sidebar__item.is-app--reports { --app-tint: rgba(34,211,238,.16); --app-color: #22d3ee; }

/* Create-card variant */
.create-card.reports { --card-tint: rgba(8,145,178,.10); --card-color: #0891b2; }
[data-theme="dark"] .create-card.reports { --card-tint: rgba(34,211,238,.16); --card-color: #22d3ee; }
.file-card.reports { border-top: 3px solid #0891b2; }

/* Docs · Embedded Report cards */
.docs-page figure.docs-report-card {
  display: block; user-select: none;
  margin: 18px auto;
  border: 1px solid #e2e8f0; border-radius: 8px;
  background: #fff; padding: 8px 10px;
  width: 100%; max-width: 100%;
  position: relative;
}
.docs-page figure.docs-report-card::before {
  content: '📊 Live from Reports'; position: absolute;
  top: -10px; right: 12px;
  background: var(--reports); color: #fff;
  font: 600 9px var(--font); letter-spacing: .04em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 10px;
}
.docs-page figure.docs-report-card .docs-report-card__title {
  font: 700 14px var(--font); color: var(--text); padding: 4px 0 2px;
  text-align: center;
}
.docs-page figure.docs-report-card .docs-report-card__body {
  width: 100%; min-height: 240px;
  display: flex; flex-direction: column; overflow: hidden;
}
.docs-page figure.docs-report-card .reports-kpi__value { font-size: 48px; }

/* Reports — "view as of" banner */
.reports-asof-banner {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 22px;
  background: linear-gradient(90deg, rgba(245,158,11,.18), rgba(245,158,11,.08));
  border-bottom: 1px solid rgba(245,158,11,.4);
  color: var(--text);
  font: 13px var(--font);
}
.reports-asof-banner__exit {
  border: 0; background: transparent; color: var(--accent);
  cursor: pointer; font-weight: 600; padding: 0; margin-left: auto;
  text-decoration: underline;
}
.reports-asof-banner__exit:hover { color: var(--accent-2, var(--accent)); }
.reports-header__actions select#rep-asof {
  border: 1px solid var(--border); background: var(--bg-inset);
  border-radius: 6px; font: 12px var(--font); color: var(--text); cursor: pointer;
}

/* Reports — Measures library */
.reports-measures-list { display: flex; flex-direction: column; gap: 6px; max-height: 380px; overflow-y: auto; }
.reports-measure {
  display: grid; grid-template-columns: 160px 1fr 28px; gap: 8px;
  padding: 6px; background: var(--bg-soft); border-radius: 6px;
}
.reports-measure input {
  padding: 6px 8px; border: 1px solid var(--border); background: var(--bg);
  border-radius: 4px; font: 12.5px var(--font); color: var(--text); outline: none;
}
.reports-measure input:focus { border-color: var(--accent); }
.reports-measure__name { font-family: var(--mono); font-weight: 600; }
.reports-measure__expr { font-family: var(--mono); }

/* Slide embed of Reports cards */
.slide-embed-loading {
  display: flex; align-items: center; justify-content: center; height: 100%;
  color: var(--text-mute); font: italic 13px var(--font);
}
.slide-embed-kpi {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 100%; padding: 12px;
}
.slide-embed-kpi__v {
  font: 700 56px var(--font); color: var(--text); letter-spacing: -.02em; line-height: 1;
}
.slide-embed-kpi__l { font: 12px var(--font); color: var(--text-mute); margin-top: 6px; }