/**
 * Material 3 Expressive — shared design tokens & base typography.
 * Theme switching via html[data-theme="light|dark|system"] + html[data-palette="default|forest|crimson|olive"].
 */

*, *::before, *::after {
  box-sizing: border-box;
}

html,
body {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

input,
textarea,
select,
option,
[contenteditable="true"],
.selectable-text,
.copyable-output,
.copyable-output *,
#search-results,
#search-results .card,
#search-results .card *,
#detailContent,
#detailContent *,
#aiResultsBody,
#aiResultsBody *,
.ai-response-box,
.ai-response-box *,
.ai-results-body,
.ai-results-body *,
#resultsArea .results-container,
#resultsArea .results-container *,
.diagnostic-result-panel .result-meta,
.diagnostic-result-panel .result-meta * {
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}

.output-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid color-mix(in srgb, var(--md-sys-color-primary) 35%, var(--md-sys-color-outline-variant));
  border-radius: var(--md-sys-shape-corner-md);
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-primary);
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

.output-copy-btn.is-copied {
  color: var(--success, #26a269);
  border-color: color-mix(in srgb, var(--success, #26a269) 45%, transparent);
  background: color-mix(in srgb, var(--success, #26a269) 10%, transparent);
}

.output-copy-btn:active:not(:disabled) {
  opacity: 0.88;
}

.output-copy-btn:disabled {
  cursor: default;
}

.copy-output-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.card-copy-row {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.trial-access-banner {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 8px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2147483000;
  max-width: min(92vw, 420px);
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
  box-shadow: var(--shadow);
  pointer-events: none;
}

.trial-access-banner[hidden] {
  display: none !important;
}

:root,
html[data-theme="light"],
html[data-theme="system"] {
  color-scheme: light;

  --md-sys-color-background: #f8f9fc;
  --md-sys-color-surface: #ffffff;
  --md-sys-color-text: #1a1c1e;

  --md-sys-color-primary: #0061a4;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #d1e4ff;
  --md-sys-color-on-primary-container: #001d36;

  --md-sys-color-secondary: #006874;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #9eeffd;
  --md-sys-color-on-secondary-container: #001f24;

  --md-sys-color-tertiary: #00658e;
  --md-sys-color-on-tertiary: #ffffff;
  --md-sys-color-tertiary-container: #c8e6ff;
  --md-sys-color-on-tertiary-container: #001d36;

  --md-sys-color-surface-dim: #d9dce2;
  --md-sys-color-surface-bright: #f8f9fc;
  --md-sys-color-surface-container-lowest: #ffffff;
  --md-sys-color-surface-container-low: #f2f4f8;
  --md-sys-color-surface-container: #eceff4;
  --md-sys-color-surface-container-high: #e6e9ef;
  --md-sys-color-surface-container-highest: #e0e3ea;

  --md-sys-color-on-surface: var(--md-sys-color-text);
  --md-sys-color-on-surface-variant: #43474e;
  --md-sys-color-outline: #73777f;
  --md-sys-color-outline-variant: #c3c7cf;

  --md-sys-color-error: #ba1a1a;
  --md-sys-color-on-error: #ffffff;
  --md-sys-color-error-container: #ffdad6;
  --md-sys-color-on-error-container: #410002;

  --accent-hover: #004a77;
  --success: #059669;
  --success-soft: rgba(5, 150, 105, 0.12);
  --shadow: 0 2px 8px rgba(26, 28, 30, 0.08);
  --shadow-lg: 0 12px 32px rgba(26, 28, 30, 0.14);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="system"] {
    color-scheme: dark;

    --md-sys-color-background: #0f1318;
    --md-sys-color-surface: #1a1c1e;
    --md-sys-color-text: #e2e2e6;

    --md-sys-color-primary: #9ecaef;
    --md-sys-color-on-primary: #003258;
    --md-sys-color-primary-container: #004a7c;
    --md-sys-color-on-primary-container: #d1e4ff;

    --md-sys-color-secondary: #82d3e0;
    --md-sys-color-on-secondary: #00363d;
    --md-sys-color-secondary-container: #004f58;
    --md-sys-color-on-secondary-container: #9eeffd;

    --md-sys-color-tertiary: #8fcdff;
    --md-sys-color-on-tertiary: #003450;
    --md-sys-color-tertiary-container: #004b71;
    --md-sys-color-on-tertiary-container: #c8e6ff;

    --md-sys-color-surface-dim: #0f1318;
    --md-sys-color-surface-bright: #35373b;
    --md-sys-color-surface-container-lowest: #0f1318;
    --md-sys-color-surface-container-low: #1a1c1e;
    --md-sys-color-surface-container: #1f2125;
    --md-sys-color-surface-container-high: #292b2f;
    --md-sys-color-surface-container-highest: #34363a;

    --md-sys-color-on-surface: var(--md-sys-color-text);
    --md-sys-color-on-surface-variant: #c3c7cf;
    --md-sys-color-outline: #8d9199;
    --md-sys-color-outline-variant: #43474e;

    --md-sys-color-error: #ffb4ab;
    --md-sys-color-on-error: #690005;
    --md-sys-color-error-container: #93000a;
    --md-sys-color-on-error-container: #ffdad6;

    --accent-hover: #d1e4ff;
    --success: #34d399;
    --success-soft: rgba(52, 211, 153, 0.14);
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  }
}

html[data-theme="dark"] {
  color-scheme: dark;

  --md-sys-color-background: #0f1318;
  --md-sys-color-surface: #1a1c1e;
  --md-sys-color-text: #e2e2e6;

  --md-sys-color-primary: #9ecaef;
  --md-sys-color-on-primary: #003258;
  --md-sys-color-primary-container: #004a7c;
  --md-sys-color-on-primary-container: #d1e4ff;

  --md-sys-color-secondary: #82d3e0;
  --md-sys-color-on-secondary: #00363d;
  --md-sys-color-secondary-container: #004f58;
  --md-sys-color-on-secondary-container: #9eeffd;

  --md-sys-color-tertiary: #8fcdff;
  --md-sys-color-on-tertiary: #003450;
  --md-sys-color-tertiary-container: #004b71;
  --md-sys-color-on-tertiary-container: #c8e6ff;

  --md-sys-color-surface-dim: #0f1318;
  --md-sys-color-surface-bright: #35373b;
  --md-sys-color-surface-container-lowest: #0f1318;
  --md-sys-color-surface-container-low: #1a1c1e;
  --md-sys-color-surface-container: #1f2125;
  --md-sys-color-surface-container-high: #292b2f;
  --md-sys-color-surface-container-highest: #34363a;

  --md-sys-color-on-surface: var(--md-sys-color-text);
  --md-sys-color-on-surface-variant: #c3c7cf;
  --md-sys-color-outline: #8d9199;
  --md-sys-color-outline-variant: #43474e;

  --md-sys-color-error: #ffb4ab;
  --md-sys-color-on-error: #690005;
  --md-sys-color-error-container: #93000a;
  --md-sys-color-on-error-container: #ffdad6;

  --accent-hover: #d1e4ff;
  --success: #34d399;
  --success-soft: rgba(52, 211, 153, 0.14);
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* Expressive shape scale (squircle radii) */
:root {
  --md-sys-shape-corner-none: 0;
  --md-sys-shape-corner-xs: 12px;
  --md-sys-shape-corner-sm: 16px;
  --md-sys-shape-corner-md: 24px;
  --md-sys-shape-corner-lg: 28px;
  --md-sys-shape-corner-xl: 32px;
  --md-sys-shape-corner-full: 9999px;

  --md-sys-space-1: 4px;
  --md-sys-space-2: 8px;
  --md-sys-space-3: 12px;
  --md-sys-space-4: 16px;
  --md-sys-space-5: 20px;
  --md-sys-space-6: 24px;
  --md-sys-space-8: 32px;

  /* Legacy aliases (existing pages) */
  --bg: var(--md-sys-color-background);
  --bg-elevated: var(--md-sys-color-surface-container-high);
  --surface: var(--md-sys-color-surface-container-high);
  --surface-2: var(--md-sys-color-surface-container);
  --text: var(--md-sys-color-text);
  --text-secondary: var(--md-sys-color-on-surface-variant);
  --muted: var(--md-sys-color-on-surface-variant);
  --border: var(--md-sys-color-outline-variant);
  --line: var(--md-sys-color-outline-variant);
  --accent: var(--md-sys-color-primary);
  --accent-2: var(--md-sys-color-secondary);
  --accent-soft: var(--md-sys-color-primary-container);
  --danger: var(--md-sys-color-error);
  --danger-soft: var(--md-sys-color-error-container);

  --radius-xs: var(--md-sys-shape-corner-xs);
  --radius-sm: var(--md-sys-shape-corner-sm);
  --radius-md: var(--md-sys-shape-corner-md);
  --radius-lg: var(--md-sys-shape-corner-lg);
  --radius-xl: var(--md-sys-shape-corner-xl);
  --radius: var(--md-sys-shape-corner-md);

  --space-1: var(--md-sys-space-2);
  --space-2: var(--md-sys-space-3);
  --space-3: var(--md-sys-space-4);
  --space-4: var(--md-sys-space-5);
  --space-5: var(--md-sys-space-6);
  --space-6: var(--md-sys-space-8);

  --text-xs: 0.78rem;
  --text-sm: 0.9rem;
  --text-md: 1rem;
  --text-lg: 1.15rem;
  --text-xl: 1.4rem;

  --btn-grad: linear-gradient(135deg, var(--md-sys-color-primary), var(--md-sys-color-secondary));

  --lh-tight: 1.25;
  --lh-body: 1.6;
  --tracking-tight: -0.02em;
  --tracking-wide: 0.04em;
}

html {
  -webkit-text-size-adjust: 100%;
  background: var(--md-sys-color-background);
  color: var(--md-sys-color-text);
}

body {
  font-family: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: var(--tracking-tight);
  background: var(--md-sys-color-background);
  color: var(--md-sys-color-text);
}

h1, h2, h3 {
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-tight);
  font-weight: 700;
}

input, select, textarea, button {
  font-family: inherit;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  border-radius: var(--md-sys-shape-corner-md);
  box-sizing: border-box;
  max-width: 100%;
}

/* Keep padded form controls inside M3 cards and grids */
.profile-card,
.common-info-card,
.record-panel,
.field,
.form-grid > div {
  min-width: 0;
}

.profile-card input:not([type="checkbox"]):not([type="radio"]),
.profile-card select,
.profile-card textarea,
.field input:not([type="checkbox"]):not([type="radio"]),
.field select,
.field textarea,
.readonly-value,
.form-grid input,
.form-grid select,
.form-grid textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
}

button,
.btn-submit,
.action-btn,
.drawer-item {
  border-radius: var(--md-sys-shape-corner-md);
}

.card,
.auth-card,
.profile-card,
.modal-card,
.settings-row,
.log-card {
  border-radius: var(--md-sys-shape-corner-lg);
}

/* ── Color palette matrix (Mode × Palette) ── */

/* FOREST & SAGE */
html[data-palette="forest"][data-theme="light"],
html[data-palette="forest"][data-theme-effective="light"] {
  --md-sys-color-background: #f4f6f0;
  --md-sys-color-surface: #e9ece1;
  --md-sys-color-primary: #5c715e;
  --md-sys-color-text: #1a1c1e;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-on-surface: var(--md-sys-color-text);
  --md-sys-color-primary-container: #d4e0d5;
  --md-sys-color-on-primary-container: #1e2b20;
  --md-sys-color-secondary: #4a6350;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #c8ddd0;
  --md-sys-color-on-secondary-container: #102818;
  --md-sys-color-surface-dim: #dde2d4;
  --md-sys-color-surface-bright: #f4f6f0;
  --md-sys-color-surface-container-lowest: #ffffff;
  --md-sys-color-surface-container-low: #eef1e8;
  --md-sys-color-surface-container: #e4e9dc;
  --md-sys-color-surface-container-high: #d9dfd0;
  --md-sys-color-surface-container-highest: #ced5c8;
  --accent-hover: #4a5f4c;
}

html[data-palette="forest"][data-theme="dark"],
html[data-palette="forest"][data-theme-effective="dark"] {
  --md-sys-color-background: #191c1a;
  --md-sys-color-surface: #222623;
  --md-sys-color-primary: #1f4728;
  --md-sys-color-text: #e2e2e6;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-on-surface: var(--md-sys-color-text);
  --md-sys-color-primary-container: #2d5a3a;
  --md-sys-color-on-primary-container: #c8e6cf;
  --md-sys-color-secondary: #7a9a82;
  --md-sys-color-on-secondary: #102818;
  --md-sys-color-secondary-container: #334a3a;
  --md-sys-color-on-secondary-container: #d4e8da;
  --md-sys-color-surface-dim: #191c1a;
  --md-sys-color-surface-bright: #2e3330;
  --md-sys-color-surface-container-lowest: #191c1a;
  --md-sys-color-surface-container-low: #1e221f;
  --md-sys-color-surface-container: #222623;
  --md-sys-color-surface-container-high: #2a302c;
  --md-sys-color-surface-container-highest: #333934;
  --accent-hover: #2a5c38;
}

@media (prefers-color-scheme: light) {
  html[data-palette="forest"][data-theme="system"] {
    --md-sys-color-background: #f4f6f0;
    --md-sys-color-surface: #e9ece1;
    --md-sys-color-primary: #5c715e;
    --md-sys-color-text: #1a1c1e;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-on-surface: var(--md-sys-color-text);
    --md-sys-color-primary-container: #d4e0d5;
    --md-sys-color-on-primary-container: #1e2b20;
    --md-sys-color-secondary: #4a6350;
    --md-sys-color-on-secondary: #ffffff;
    --md-sys-color-secondary-container: #c8ddd0;
    --md-sys-color-on-secondary-container: #102818;
    --md-sys-color-surface-dim: #dde2d4;
    --md-sys-color-surface-bright: #f4f6f0;
    --md-sys-color-surface-container-lowest: #ffffff;
    --md-sys-color-surface-container-low: #eef1e8;
    --md-sys-color-surface-container: #e4e9dc;
    --md-sys-color-surface-container-high: #d9dfd0;
    --md-sys-color-surface-container-highest: #ced5c8;
    --accent-hover: #4a5f4c;
  }
}

@media (prefers-color-scheme: dark) {
  html[data-palette="forest"][data-theme="system"] {
    --md-sys-color-background: #191c1a;
    --md-sys-color-surface: #222623;
    --md-sys-color-primary: #1f4728;
    --md-sys-color-text: #e2e2e6;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-on-surface: var(--md-sys-color-text);
    --md-sys-color-primary-container: #2d5a3a;
    --md-sys-color-on-primary-container: #c8e6cf;
    --md-sys-color-secondary: #7a9a82;
    --md-sys-color-on-secondary: #102818;
    --md-sys-color-secondary-container: #334a3a;
    --md-sys-color-on-secondary-container: #d4e8da;
    --md-sys-color-surface-dim: #191c1a;
    --md-sys-color-surface-bright: #2e3330;
    --md-sys-color-surface-container-lowest: #191c1a;
    --md-sys-color-surface-container-low: #1e221f;
    --md-sys-color-surface-container: #222623;
    --md-sys-color-surface-container-high: #2a302c;
    --md-sys-color-surface-container-highest: #333934;
    --accent-hover: #2a5c38;
  }
}

/* CRIMSON & NAVY */
html[data-palette="crimson"][data-theme="light"],
html[data-palette="crimson"][data-theme-effective="light"] {
  --md-sys-color-background: #fcf8f8;
  --md-sys-color-surface: #f4ebeb;
  --md-sys-color-primary: #8c4a52;
  --md-sys-color-text: #1a1c1e;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-on-surface: var(--md-sys-color-text);
  --md-sys-color-primary-container: #f0d4d8;
  --md-sys-color-on-primary-container: #3d1419;
  --md-sys-color-secondary: #3d4a6b;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #d8deef;
  --md-sys-color-on-secondary-container: #141b2a;
  --md-sys-color-surface-dim: #ebe3e3;
  --md-sys-color-surface-bright: #fcf8f8;
  --md-sys-color-surface-container-lowest: #ffffff;
  --md-sys-color-surface-container-low: #f7f0f0;
  --md-sys-color-surface-container: #f0e6e6;
  --md-sys-color-surface-container-high: #e8dcdc;
  --md-sys-color-surface-container-highest: #dfd2d2;
  --accent-hover: #743840;
}

html[data-palette="crimson"][data-theme="dark"],
html[data-palette="crimson"][data-theme-effective="dark"] {
  --md-sys-color-background: #0d131f;
  --md-sys-color-surface: #141b2a;
  --md-sys-color-primary: #6b2d35;
  --md-sys-color-text: #e2e2e6;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-on-surface: var(--md-sys-color-text);
  --md-sys-color-primary-container: #4a1f26;
  --md-sys-color-on-primary-container: #f0c8ce;
  --md-sys-color-secondary: #8a9ec8;
  --md-sys-color-on-secondary: #141b2a;
  --md-sys-color-secondary-container: #24304a;
  --md-sys-color-on-secondary-container: #d8e0f4;
  --md-sys-color-surface-dim: #0d131f;
  --md-sys-color-surface-bright: #1e2638;
  --md-sys-color-surface-container-lowest: #0d131f;
  --md-sys-color-surface-container-low: #111827;
  --md-sys-color-surface-container: #141b2a;
  --md-sys-color-surface-container-high: #1c2436;
  --md-sys-color-surface-container-highest: #252e42;
  --accent-hover: #853842;
}

@media (prefers-color-scheme: light) {
  html[data-palette="crimson"][data-theme="system"] {
    --md-sys-color-background: #fcf8f8;
    --md-sys-color-surface: #f4ebeb;
    --md-sys-color-primary: #8c4a52;
    --md-sys-color-text: #1a1c1e;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-on-surface: var(--md-sys-color-text);
    --md-sys-color-primary-container: #f0d4d8;
    --md-sys-color-on-primary-container: #3d1419;
    --md-sys-color-secondary: #3d4a6b;
    --md-sys-color-on-secondary: #ffffff;
    --md-sys-color-secondary-container: #d8deef;
    --md-sys-color-on-secondary-container: #141b2a;
    --md-sys-color-surface-dim: #ebe3e3;
    --md-sys-color-surface-bright: #fcf8f8;
    --md-sys-color-surface-container-lowest: #ffffff;
    --md-sys-color-surface-container-low: #f7f0f0;
    --md-sys-color-surface-container: #f0e6e6;
    --md-sys-color-surface-container-high: #e8dcdc;
    --md-sys-color-surface-container-highest: #dfd2d2;
    --accent-hover: #743840;
  }
}

@media (prefers-color-scheme: dark) {
  html[data-palette="crimson"][data-theme="system"] {
    --md-sys-color-background: #0d131f;
    --md-sys-color-surface: #141b2a;
    --md-sys-color-primary: #6b2d35;
    --md-sys-color-text: #e2e2e6;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-on-surface: var(--md-sys-color-text);
    --md-sys-color-primary-container: #4a1f26;
    --md-sys-color-on-primary-container: #f0c8ce;
    --md-sys-color-secondary: #8a9ec8;
    --md-sys-color-on-secondary: #141b2a;
    --md-sys-color-secondary-container: #24304a;
    --md-sys-color-on-secondary-container: #d8e0f4;
    --md-sys-color-surface-dim: #0d131f;
    --md-sys-color-surface-bright: #1e2638;
    --md-sys-color-surface-container-lowest: #0d131f;
    --md-sys-color-surface-container-low: #111827;
    --md-sys-color-surface-container: #141b2a;
    --md-sys-color-surface-container-high: #1c2436;
    --md-sys-color-surface-container-highest: #252e42;
    --accent-hover: #853842;
  }
}

/* OLIVE & CHARCOAL */
html[data-palette="olive"][data-theme="light"],
html[data-palette="olive"][data-theme-effective="light"] {
  --md-sys-color-background: #f5f5f0;
  --md-sys-color-surface: #ebebe0;
  --md-sys-color-primary: #6b705c;
  --md-sys-color-text: #1a1c1e;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-on-surface: var(--md-sys-color-text);
  --md-sys-color-primary-container: #dfe0d4;
  --md-sys-color-on-primary-container: #252818;
  --md-sys-color-secondary: #545848;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #d4d6c8;
  --md-sys-color-on-secondary-container: #1a1c14;
  --md-sys-color-surface-dim: #e0e0d6;
  --md-sys-color-surface-bright: #f5f5f0;
  --md-sys-color-surface-container-lowest: #ffffff;
  --md-sys-color-surface-container-low: #f0f0e8;
  --md-sys-color-surface-container: #e8e8dc;
  --md-sys-color-surface-container-high: #deded0;
  --md-sys-color-surface-container-highest: #d4d4c6;
  --accent-hover: #565a4a;
}

html[data-palette="olive"][data-theme="dark"],
html[data-palette="olive"][data-theme-effective="dark"] {
  --md-sys-color-background: #141618;
  --md-sys-color-surface: #1d2024;
  --md-sys-color-primary: #8b9278;
  --md-sys-color-text: #e2e2e6;
  --md-sys-color-on-primary: #1a1c14;
  --md-sys-color-on-surface: var(--md-sys-color-text);
  --md-sys-color-primary-container: #3a4034;
  --md-sys-color-on-primary-container: #d8dcc8;
  --md-sys-color-secondary: #a8aea0;
  --md-sys-color-on-secondary: #1a1c14;
  --md-sys-color-secondary-container: #343830;
  --md-sys-color-on-secondary-container: #e0e4d8;
  --md-sys-color-surface-dim: #141618;
  --md-sys-color-surface-bright: #2a2e32;
  --md-sys-color-surface-container-lowest: #141618;
  --md-sys-color-surface-container-low: #181b1f;
  --md-sys-color-surface-container: #1d2024;
  --md-sys-color-surface-container-high: #25292e;
  --md-sys-color-surface-container-highest: #2e3338;
  --accent-hover: #9aa082;
}

@media (prefers-color-scheme: light) {
  html[data-palette="olive"][data-theme="system"] {
    --md-sys-color-background: #f5f5f0;
    --md-sys-color-surface: #ebebe0;
    --md-sys-color-primary: #6b705c;
    --md-sys-color-text: #1a1c1e;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-on-surface: var(--md-sys-color-text);
    --md-sys-color-primary-container: #dfe0d4;
    --md-sys-color-on-primary-container: #252818;
    --md-sys-color-secondary: #545848;
    --md-sys-color-on-secondary: #ffffff;
    --md-sys-color-secondary-container: #d4d6c8;
    --md-sys-color-on-secondary-container: #1a1c14;
    --md-sys-color-surface-dim: #e0e0d6;
    --md-sys-color-surface-bright: #f5f5f0;
    --md-sys-color-surface-container-lowest: #ffffff;
    --md-sys-color-surface-container-low: #f0f0e8;
    --md-sys-color-surface-container: #e8e8dc;
    --md-sys-color-surface-container-high: #deded0;
    --md-sys-color-surface-container-highest: #d4d4c6;
    --accent-hover: #565a4a;
  }
}

@media (prefers-color-scheme: dark) {
  html[data-palette="olive"][data-theme="system"] {
    --md-sys-color-background: #141618;
    --md-sys-color-surface: #1d2024;
    --md-sys-color-primary: #8b9278;
    --md-sys-color-text: #e2e2e6;
    --md-sys-color-on-primary: #1a1c14;
    --md-sys-color-on-surface: var(--md-sys-color-text);
    --md-sys-color-primary-container: #3a4034;
    --md-sys-color-on-primary-container: #d8dcc8;
    --md-sys-color-secondary: #a8aea0;
    --md-sys-color-on-secondary: #1a1c14;
    --md-sys-color-secondary-container: #343830;
    --md-sys-color-on-secondary-container: #e0e4d8;
    --md-sys-color-surface-dim: #141618;
    --md-sys-color-surface-bright: #2a2e32;
    --md-sys-color-surface-container-lowest: #141618;
    --md-sys-color-surface-container-low: #181b1f;
    --md-sys-color-surface-container: #1d2024;
    --md-sys-color-surface-container-high: #25292e;
    --md-sys-color-surface-container-highest: #2e3338;
    --accent-hover: #9aa082;
  }
}

/* ── Web Interface Guidelines (Vercel) pass, Oct 2026 ──
   Keyboard focus: one visible ring for controls (mouse/touch clicks do not show it). Text fields keep their own
   border + glow focus style. Taps: no double-tap zoom delay. Motion: honour the OS "reduce motion" setting.
   Headings: balanced line breaks (no single orphan word). */
:where(button, a[href], [role="button"], [tabindex]:not([tabindex="-1"]), summary, input[type="checkbox"], input[type="radio"]):focus-visible {
  outline: 2px solid var(--md-sys-color-primary, #006874);
  outline-offset: 2px;
}

:where(button, a, [role="button"], input, select, textarea, label, summary) {
  touch-action: manipulation;
}

:where(h1, h2, h3) {
  text-wrap: balance;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}