/* ============================================================
   AIP Autopilot — Settings shell
   On top of colors_and_type.css (design system tokens).
   ============================================================ */

* { box-sizing: border-box; }
html, body, #root { height: 100%; margin: 0; }
body {
  font: var(--tx-body);
  color: var(--fg-primary);
  background: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

/* ============================================================
   THEME — light is the default (from tokens). Dark override.
   ============================================================ */
[data-theme="dark"] {
  --bg: #1C1C1E;
  --bg-secondary: #131316;
  --bg-tertiary: #232326;
  --bg-regular-material: rgba(28,28,30,0.72);
  --bg-thick-material: rgba(28,28,30,0.92);
  --fg-primary: #FFFFFF;
  --fg-secondary: rgba(235,235,245,0.62);
  --fg-tertiary: rgba(235,235,245,0.30);
  --fg-quaternary: rgba(235,235,245,0.18);
  --separator: rgba(255,255,255,0.10);
  --stroke-soft: rgba(255,255,255,0.10);
  --shadow-1: 0 1px 2px rgba(0,0,0,0.40), 0 0 0 1px rgba(255,255,255,0.06);
  --shadow-2: 0 2px 12px rgba(0,0,0,0.40), 0 0 0 1px rgba(255,255,255,0.06);
  --shadow-pop: 0 18px 40px rgba(0,0,0,0.50), 0 1px 2px rgba(0,0,0,0.30);
}

[data-theme="dark"] body { background: var(--bg-secondary); color: var(--fg-primary); }

/* ============================================================
   INSTANCE TINT — per-instance accent dot, brand mark colour.
   Default to system accent. Studio borrows the AI magenta tint.
   ============================================================ */
[data-instance="intelligence"] { --instance-tint: var(--state-blue); }
[data-instance="studio"]       { --instance-tint: var(--ai-magenta); }

/* ============================================================
   SHELL LAYOUT
   ============================================================ */
.app-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100vh;
  background: var(--bg-secondary);
}

/* ── Sidebar mode (default — hybrid sidebar + command bar) ── */
.app-shell.nav-sidebar .shell-body {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 0;
}

.app-shell.nav-tabs .shell-body { display: block; }
.app-shell.nav-tabs .sidebar { display: none; }
.app-shell.nav-tabs .topbar { padding-bottom: 0; }

.app-shell.nav-commandbar .shell-body { display: block; }
.app-shell.nav-commandbar .sidebar { display: none; }

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: 10px 18px;
  background: var(--bg-regular-material);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid var(--separator);
  min-height: 56px;
}

.topbar .brand {
  display: flex; align-items: center; gap: 10px;
  min-width: 220px;
}
.app-shell.nav-tabs .topbar .brand,
.app-shell.nav-commandbar .topbar .brand { min-width: auto; }

.brand-mark {
  width: 28px; height: 28px;
  border-radius: 999px;
  flex: 0 0 auto;
  display: block;
  object-fit: contain;
}
.brand-wordmark {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.02em;
  text-transform: lowercase;
  line-height: 1;
}
.brand-wordmark .slash { color: var(--fg-tertiary); margin: 0 4px; }
.brand-wordmark .product { color: var(--fg-primary); }
.brand-wordmark .instance { color: var(--instance-tint); }

/* universal command field in the topbar */
.cmd-trigger {
  flex: 1;
  max-width: 560px;
  display: flex; align-items: center; gap: 10px;
  height: 34px;
  padding: 0 12px;
  border-radius: var(--r-md);
  background: rgba(0,0,0,0.04);
  border: 1px solid var(--stroke-soft);
  color: var(--fg-secondary);
  font: var(--tx-subheadline);
  cursor: text;
  transition: border-color .15s, background .15s;
}
[data-theme="dark"] .cmd-trigger { background: rgba(255,255,255,0.04); }
.cmd-trigger:hover { border-color: var(--accent-tint-12); }
.cmd-trigger .kbd {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 2px;
  font: var(--tx-caption);
  font-family: var(--font-mono);
  color: var(--fg-tertiary);
}
.kbd-key {
  display: inline-flex; align-items: center; justify-content: center;
  height: 18px; min-width: 18px; padding: 0 4px;
  border-radius: 4px;
  background: rgba(0,0,0,0.05);
  border: 1px solid var(--stroke-soft);
  font-family: var(--font-mono); font-size: 11px;
  color: var(--fg-secondary);
}
[data-theme="dark"] .kbd-key { background: rgba(255,255,255,0.06); }

.topbar-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.user-chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 10px 0 4px;
  border-radius: var(--r-pill);
  background: rgba(0,0,0,0.04);
  border: 1px solid var(--stroke-soft);
  font: var(--tx-subheadline);
  cursor: pointer;
}
[data-theme="dark"] .user-chip { background: rgba(255,255,255,0.04); }
.user-chip .avatar {
  width: 26px; height: 26px; border-radius: 999px;
  background: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 600; font-size: 11px;
}
.user-chip .role-dot {
  width: 7px; height: 7px; border-radius: 999px; background: var(--state-green);
}

.btn-prominent {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 14px;
  border-radius: var(--r-pill);
  background: var(--accent); color: #fff;
  border: 0; cursor: pointer;
  font: var(--tx-subheadline); font-weight: 500;
}
.btn-prominent:hover { background: var(--accent-hover); }
.btn-prominent:active { background: var(--accent-pressed); transform: scale(0.98); }
.btn-prominent.danger { background: var(--state-red); }
.btn-prominent.danger:hover { filter: brightness(0.92); }

.btn-bordered {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px;
  border-radius: var(--r-md);
  background: rgba(0,0,0,0.04);
  border: 1px solid var(--stroke-soft);
  color: var(--fg-primary);
  font: var(--tx-subheadline);
  cursor: pointer;
}
[data-theme="dark"] .btn-bordered { background: rgba(255,255,255,0.04); }
.btn-bordered:hover { background: rgba(0,0,0,0.07); }
.btn-bordered.sm { height: 26px; padding: 0 10px; font: var(--tx-caption); }
.btn-bordered.danger { color: var(--state-red); border-color: rgba(255,59,48,0.35); }
.btn-bordered.danger:hover { background: var(--tint-red); }

/* ============================================================
   TAB BAR (only when nav-tabs)
   ============================================================ */
.tabbar {
  display: none;
  align-items: center;
  gap: 4px;
  padding: 0 18px;
  background: var(--bg-regular-material);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid var(--separator);
  overflow-x: auto;
}
.app-shell.nav-tabs .tabbar { display: flex; }
.tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 12px;
  font: var(--tx-subheadline);
  color: var(--fg-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.tab:hover { color: var(--fg-primary); }
.tab.active { color: var(--fg-primary); border-bottom-color: var(--instance-tint); font-weight: 500; }
.tab .badge {
  font-family: var(--font-mono); font-size: 10px;
  padding: 1px 6px; border-radius: 999px;
  background: var(--accent-tint-12); color: var(--accent);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.shell-body { min-height: 0; }
.sidebar {
  display: flex; flex-direction: column;
  border-right: 1px solid var(--separator);
  background: var(--bg-regular-material);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  overflow-y: auto;
  padding: 10px 8px 16px;
  gap: 14px;
}

.nav-group { display: flex; flex-direction: column; gap: 1px; }
.nav-label {
  padding: 8px 10px 4px;
  font: var(--tx-caption2);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px;
  border-radius: var(--r-md);
  color: var(--fg-primary);
  font: var(--tx-subheadline);
  cursor: pointer;
  position: relative;
}
.nav-item:hover { background: rgba(0,0,0,0.04); }
[data-theme="dark"] .nav-item:hover { background: rgba(255,255,255,0.05); }
.nav-item.active {
  background: var(--accent-tint-08);
  color: var(--accent);
}
.nav-item .icon { width: 18px; height: 18px; display: inline-flex; justify-content: center; flex: 0 0 auto; }
.nav-item .count {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--fg-tertiary);
}
.nav-item.active .count { color: var(--accent); }

/* Live items in sidebar */
.live-card {
  border-radius: var(--r-md);
  padding: 8px 10px;
  display: flex; flex-direction: column; gap: 2px;
  background: var(--tint-red);
  border: 1px solid rgba(255,59,48,0.18);
  cursor: pointer;
}
.live-card .title { font: var(--tx-footnote); font-weight: 600; color: var(--state-red); display: flex; align-items: center; gap: 6px; }
.live-card .sub { font: var(--tx-caption2); color: var(--fg-secondary); }
.live-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--state-red); flex: 0 0 auto;
  animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse {
  0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255,59,48,0.5); }
  50%     { opacity: 0.6; box-shadow: 0 0 0 6px rgba(255,59,48,0); }
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.content {
  overflow-y: auto;
  min-height: 0;
  padding: 28px 36px 60px;
  display: flex; flex-direction: column;
  gap: 22px;
  max-width: 1180px;
  width: 100%;
}
.content > * { flex-shrink: 0; }
.app-shell.nav-tabs .content,
.app-shell.nav-commandbar .content { margin: 0 auto; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.page-head h1 {
  font: var(--tx-largeTitle); letter-spacing: -0.02em; margin: 0;
}
.page-head .subtitle { color: var(--fg-secondary); font: var(--tx-callout); margin-top: 2px; }

.section-title {
  font: var(--tx-caption); font-family: var(--font-mono);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-secondary);
  margin: 0 0 10px;
}

/* Cards */
.card {
  background: var(--bg-tertiary);
  border-radius: var(--r-lg);
  border: 1px solid var(--separator);
  padding: 18px;
}
.card.material {
  background: var(--bg-regular-material);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
}
.card.padded-lg { padding: 24px; }
.card .row { display: flex; align-items: center; gap: 12px; }
.card .row + .row { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--separator); }

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Status chips */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 22px; padding: 0 9px;
  border-radius: 999px;
  font: var(--tx-caption2); font-family: var(--font-mono);
  letter-spacing: 0.04em; text-transform: uppercase;
  border: 1px solid var(--separator);
  color: var(--fg-secondary);
  background: rgba(0,0,0,0.02);
}
.chip.green  { color: var(--state-green);  border-color: rgba(52,199,89,0.35);  background: var(--tint-green); }
.chip.red    { color: var(--state-red);    border-color: rgba(255,59,48,0.35);  background: var(--tint-red); }
.chip.orange { color: var(--state-orange); border-color: rgba(255,149,0,0.35);  background: var(--tint-orange); }
.chip.blue   { color: var(--state-blue);   border-color: rgba(0,122,255,0.35);  background: var(--tint-blue); }
.chip.purple { color: var(--state-purple); border-color: rgba(175,82,222,0.35); background: var(--tint-purple); }
.chip.gray   { color: var(--fg-secondary); }
.chip .dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }
.chip.live { background: var(--tint-red); border-color: rgba(255,59,48,0.45); color: var(--state-red); }
.chip.live .dot { animation: pulse 1.4s ease-in-out infinite; }

/* Tables */
.table {
  width: 100%;
  border-collapse: separate; border-spacing: 0;
  font: var(--tx-subheadline);
}
.table th, .table td {
  text-align: left; padding: 12px 14px;
  border-bottom: 1px solid var(--separator);
  vertical-align: middle;
}
.table th {
  font: var(--tx-caption2);
  font-family: var(--font-mono);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-secondary); font-weight: 500;
  background: rgba(0,0,0,0.015);
}
[data-theme="dark"] .table th { background: rgba(255,255,255,0.02); }
.table tr:last-child td { border-bottom: 0; }
.table tr.clickable { cursor: pointer; }
.table tr.clickable:hover td { background: var(--accent-tint-08); }

/* Form fields */
.field-label {
  display: block;
  font: var(--tx-caption2);
  font-family: var(--font-mono);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-secondary);
  margin-bottom: 6px;
}
.field {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--stroke-soft);
  background: var(--bg);
  color: var(--fg-primary);
  font: var(--tx-callout);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint-12); }
textarea.field { height: auto; min-height: 96px; padding: 10px 12px; resize: vertical; font-family: var(--font-ui); }
.field.mono { font-family: var(--font-mono); }
.field-help { font: var(--tx-caption); color: var(--fg-tertiary); margin-top: 4px; }

/* Activity strip */
.activity-strip {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--separator);
  border-radius: var(--r-lg);
  overflow-x: auto;
}
.activity-strip .item {
  display: flex; align-items: center; gap: 8px;
  font: var(--tx-footnote);
  color: var(--fg-secondary);
  white-space: nowrap;
}
.activity-strip .item strong { color: var(--fg-primary); font-weight: 500; }
.activity-strip .sep {
  width: 1px; height: 18px; background: var(--separator); flex: 0 0 auto;
}

/* Recording hero */
.record-hero {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: center;
}
@media (max-width: 720px) { .record-hero { grid-template-columns: 1fr; } }
.record-btn {
  width: 180px; height: 180px; border-radius: 999px;
  background: var(--state-red); color: #fff;
  border: none; cursor: pointer;
  font: var(--tx-headline); font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 6px;
  box-shadow: 0 14px 32px rgba(255,59,48,0.35), 0 0 0 1px rgba(0,0,0,0.04);
  transition: transform .15s;
}
.record-btn:hover { transform: scale(1.02); }
.record-btn:active { transform: scale(0.98); }
.record-btn .timer { font-family: var(--font-mono); font-size: 12px; font-weight: 400; opacity: 0.8; }

/* Connector card */
.connector {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px;
  border-radius: var(--r-lg);
  background: var(--bg-tertiary);
  border: 1px solid var(--separator);
}
.connector.connected { border-color: rgba(52,199,89,0.40); background: linear-gradient(0deg, var(--tint-green), var(--tint-green)), var(--bg-tertiary); background-blend-mode: normal; }
.connector .glyph {
  width: 40px; height: 40px; border-radius: var(--r-md);
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.04); color: var(--fg-primary);
  flex: 0 0 auto;
}
[data-theme="dark"] .connector .glyph { background: rgba(255,255,255,0.06); }
.connector .body { flex: 1; min-width: 0; }
.connector .name { font: var(--tx-headline); margin-bottom: 2px; }
.connector .desc { font: var(--tx-footnote); color: var(--fg-secondary); line-height: 1.5; }

/* Command palette */
.cmd-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0,0,0,0.40);
  backdrop-filter: blur(2px);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 12vh;
}
.cmd-palette {
  width: min(640px, 92vw);
  background: var(--bg-thick-material);
  backdrop-filter: saturate(160%) blur(28px);
  -webkit-backdrop-filter: saturate(160%) blur(28px);
  border: 1px solid var(--separator);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-pop);
  overflow: hidden;
  display: flex; flex-direction: column;
  max-height: 70vh;
}
.cmd-input-row {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--separator);
}
.cmd-input {
  flex: 1;
  border: 0; outline: 0; background: transparent;
  font: var(--tx-title3); font-weight: 400;
  color: var(--fg-primary);
}
.cmd-input::placeholder { color: var(--fg-tertiary); }
.cmd-list { overflow-y: auto; padding: 6px; }
.cmd-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  cursor: pointer;
  color: var(--fg-primary);
}
.cmd-row:hover, .cmd-row.active { background: var(--accent-tint-08); color: var(--accent); }
.cmd-row .glyph {
  width: 28px; height: 28px; border-radius: var(--r-sm);
  background: rgba(0,0,0,0.04);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-primary); flex: 0 0 auto;
}
[data-theme="dark"] .cmd-row .glyph { background: rgba(255,255,255,0.06); }
.cmd-row.active .glyph { background: var(--accent-tint-12); color: var(--accent); }
.cmd-row .label { font: var(--tx-callout); }
.cmd-row .hint { margin-left: auto; font: var(--tx-caption); color: var(--fg-tertiary); }
.cmd-row .section { font: var(--tx-caption); color: var(--fg-tertiary); margin-left: 4px; }

.cmd-section-head {
  padding: 8px 12px 4px;
  font: var(--tx-caption2); font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-tertiary);
}

/* Toast / inline note */
.note {
  padding: 10px 14px;
  border-radius: var(--r-md);
  background: var(--accent-tint-08);
  color: var(--accent);
  font: var(--tx-footnote);
  border: 1px solid rgba(0,122,255,0.18);
}

/* Toggle switch */
.switch {
  position: relative;
  display: inline-flex; align-items: center;
  width: 36px; height: 22px; border-radius: 999px;
  background: var(--fg-quaternary);
  cursor: pointer; transition: background .15s;
}
.switch.on { background: var(--state-green); }
.switch .knob {
  position: absolute; left: 2px; top: 2px;
  width: 18px; height: 18px; border-radius: 999px;
  background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.30);
  transition: transform .15s;
}
.switch.on .knob { transform: translateX(14px); }

/* Page-empty state */
.empty {
  padding: 36px 20px;
  text-align: center;
  color: var(--fg-secondary);
  font: var(--tx-callout);
  border: 1px dashed var(--separator);
  border-radius: var(--r-lg);
  background: var(--bg-tertiary);
}

/* Avatar with role tint ring */
.avatar-lg {
  width: 36px; height: 36px; border-radius: 999px;
  background: var(--accent); color: #fff;
  font-weight: 600; font-size: 13px;
  display: inline-flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
}
.avatar-lg.purple { background: var(--state-purple); }
.avatar-lg.orange { background: var(--state-orange); }
.avatar-lg.green  { background: var(--state-green); }
.avatar-lg.gray   { background: var(--fg-tertiary); }

/* Quietly italic mono labels */
.mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-tertiary);
  letter-spacing: 0.04em;
}

/* ============================================================
   SHEETS / MODALS
   ============================================================ */
.sheet-overlay {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(0,0,0,0.42);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  padding: 6vh 4vw;
  animation: fade-in 0.16s ease-out;
}
[data-theme="dark"] .sheet-overlay { background: rgba(0,0,0,0.6); }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.sheet {
  background: var(--bg-tertiary);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-pop);
  border: 1px solid var(--separator);
  overflow: hidden;
  display: flex; flex-direction: column;
  max-height: 88vh;
  animation: sheet-in 0.22s cubic-bezier(.4,.2,.2,1);
}
@keyframes sheet-in {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.sheet-header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  background: var(--bg-regular-material);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid var(--separator);
}
.sheet-title { font: var(--tx-title2); letter-spacing: -0.01em; }
.sheet-body { flex: 1; overflow-y: auto; min-height: 0; padding: 20px 22px; }
/* Opt-out for sheets whose body brings its own padding/layout. */
.sheet-body.no-pad { padding: 0; }
.sheet-footer {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  background: var(--bg-regular-material);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-top: 1px solid var(--separator);
}

.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: var(--r-sm);
  background: transparent;
  border: 0;
  color: var(--fg-secondary);
  cursor: pointer;
}
.btn-icon:hover { background: rgba(0,0,0,0.06); color: var(--fg-primary); }
[data-theme="dark"] .btn-icon:hover { background: rgba(255,255,255,0.06); }

/* Sheet tabs */
.sheet-tabs {
  display: flex;
  gap: 4px;
  padding: 0 18px;
  border-bottom: 1px solid var(--separator);
  background: var(--bg-tertiary);
}
.sheet-tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 12px;
  font: var(--tx-subheadline);
  color: var(--fg-secondary);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.sheet-tab:hover { color: var(--fg-primary); }
.sheet-tab.active { color: var(--fg-primary); border-bottom-color: var(--instance-tint); font-weight: 500; }
.sheet-tab .badge {
  font-family: var(--font-mono); font-size: 10px;
  padding: 1px 6px; border-radius: 999px;
  background: var(--accent-tint-12); color: var(--accent);
}

/* Action rows (checkbox-style) */
.action-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid transparent;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background .12s, border-color .12s;
}
.action-row:hover { background: var(--accent-tint-08); }
.action-row.on { background: var(--accent-tint-08); border-color: rgba(0,122,255,0.20); }
.action-row .check {
  width: 18px; height: 18px;
  border-radius: 4px;
  border: 1px solid var(--stroke-soft);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-tertiary);
  color: #fff;
  flex: 0 0 auto;
}
.action-row.on .check { background: var(--accent); border-color: var(--accent); }

/* ============================================================
   TOASTS
   ============================================================ */
.toast-host {
  position: fixed; left: 50%; bottom: 24px;
  transform: translateX(-50%);
  z-index: 80;
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  background: var(--bg-thick-material);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border: 1px solid var(--separator);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-pop);
  font: var(--tx-subheadline);
  color: var(--fg-primary);
  animation: toast-in 0.24s cubic-bezier(.4,.2,.2,1);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.toast.green  { color: var(--state-green); }
.toast.red    { color: var(--state-red); }
.toast.blue   { color: var(--accent); }
.toast.purple { color: var(--state-purple); }

/* ============================================================
   SUPPLEMENTAL — added by the design migration (Reading B).
   Small additions for shell-wrapped screens (services, stubs).
   ============================================================ */

/* Card content helpers */
.card-eyebrow { margin-bottom: 4px; }
.card-title   { font: var(--tx-headline); margin: 0 0 10px; letter-spacing: -0.01em; }
.card-body    { color: var(--fg-secondary); font: var(--tx-callout); line-height: 1.5; }
.card-actions { display: flex; align-items: center; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* Inline anchors styled as accent links (used inside body copy) */
.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }
.mono { font-family: var(--font-mono); }

/* Generic key/value list (used by account stub + service "configured" rows) */
.kv-list { display: flex; flex-direction: column; gap: 0; margin: 0; padding: 0; }
.kv-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; border-bottom: 1px solid var(--separator);
  font: var(--tx-callout);
}
.kv-row:last-child { border-bottom: 0; }
.kv-row dt { color: var(--fg-secondary); margin: 0; }
.kv-row dd { color: var(--fg-primary); margin: 0; }

/* Form helpers used by service-connect forms */
.field-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field-row label { font: var(--tx-footnote); color: var(--fg-secondary); }
.text-input {
  width: 100%; height: 36px; padding: 0 12px;
  border: 1px solid var(--stroke-soft);
  border-radius: var(--r-md);
  background: var(--bg-tertiary);
  color: var(--fg-primary);
  font: var(--tx-callout);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.text-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint-12);
}

/* Confirm-sheet body paragraph */
.sheet-prose { font: var(--tx-callout); color: var(--fg-secondary); line-height: 1.5; margin: 0; }

/* Status dots (small coloured dots used in chips, user chips, live cards) */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 999px; background: var(--fg-tertiary); margin-right: 6px; vertical-align: middle; }
.dot.dot-green  { background: var(--state-green); }
.dot.dot-red    { background: var(--state-red); }
.dot.dot-blue   { background: var(--accent); }
.dot.dot-orange { background: var(--state-orange); }
.dot.dot-purple { background: var(--state-purple); }
.dot.dot-gray   { background: var(--fg-tertiary); }

/* Connected-services grid */
.service-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
}
.service-card.is-connected { border-color: var(--state-green); }
.service-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
}
.service-emoji { font-size: 22px; line-height: 1; flex: 0 0 auto; }
.service-name  { font: var(--tx-headline); margin: 0; flex: 1; min-width: 0; }
.service-status { display: inline-flex; align-items: center; gap: 4px; }
.service-desc  { color: var(--fg-secondary); font: var(--tx-subheadline); line-height: 1.45; margin: 0 0 12px; }
.service-form  { margin-top: 8px; }

/* User chip — name span (rendered by Python shell as .user-chip-name) */
.user-chip-name { color: var(--fg-secondary); font-size: 13px; }

/* Textarea variant of the .text-input field */
textarea.text-input { min-height: 96px; padding: 10px 12px; line-height: 1.45; resize: vertical; font-family: inherit; }

/* Cron preset chip-buttons (used by alerts form) */
.preset-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.preset-row button {
  height: 26px; padding: 0 10px;
  background: var(--bg-tertiary); color: var(--fg-secondary);
  border: 1px solid var(--stroke-soft); border-radius: var(--r-pill);
  font: var(--tx-caption); font-family: var(--font-mono); cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.preset-row button:hover { color: var(--accent); border-color: var(--accent-tint-12); }

/* Inline checkbox-row (used by alerts form, settings) */
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row label { font: var(--tx-callout); color: var(--fg-primary); margin: 0; cursor: pointer; }
.checkbox-row input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

/* Inline status / error banner */
.banner-error {
  background: var(--tint-red); color: var(--state-red);
  border: 1px solid rgba(255,59,48,0.35); border-radius: var(--r-md);
  padding: 10px 14px; font: var(--tx-callout);
}

/* Compact "list table" used by alerts */
.list-table { width: 100%; border-collapse: collapse; font: var(--tx-subheadline); }
.list-table th, .list-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--separator); vertical-align: top; }
.list-table thead th { font: var(--tx-caption); font-family: var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--fg-tertiary); }
.list-table tr:last-child td { border-bottom: 0; }
.list-table .mono { font-family: var(--font-mono); font-size: 12px; color: var(--fg-secondary); }
.list-table .row-actions { text-align: right; white-space: nowrap; }

/* Pre block used by alerts test-run output */
.code-out {
  background: var(--bg-tertiary); border: 1px solid var(--separator);
  border-radius: var(--r-md); padding: 12px 14px;
  font: var(--tx-caption); font-family: var(--font-mono);
  white-space: pre-wrap; word-break: break-word; max-height: 360px; overflow-y: auto;
}