:root {
  color-scheme: light dark;
  --navy: #0B1120;
  --ivory: #F1F0E8;
  --gray: #94A3B8;
  --slate: #151E2E;
  --line: rgba(148, 163, 184, 0.22);
  --blue: #3B82F6;
  --blue-dark: #2563EB;
  --blue-soft: #EFF6FF;
  --blue-border: #BFDBFE;
  --blue-text: #1E40AF;
  --blue-active-border: #93C5FD;
  --blue-ring: rgba(59, 130, 246, 0.12);
  --blue-focus: rgba(59, 130, 246, 0.45);
  --portfolio-navy: var(--navy);
  --portfolio-ivory: var(--ivory);
  --theme-control-bg: rgba(255, 255, 255, 0.88);
  --theme-control-text: #0B1120;
  --theme-control-border: rgba(11, 17, 32, 0.16);
  --story-card: #F8F9FA;
  --story-copy: #475467;
}

:root[data-theme="dark"] {
  --theme-control-bg: rgba(21, 30, 46, 0.92);
  --theme-control-text: #F1F0E8;
  --theme-control-border: rgba(148, 163, 184, 0.35);
  --story-card: #0F172A;
  --story-copy: #CBD5E1;
}

:root[data-theme="light"] {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --blue-soft: #EFF6FF;
  --blue-border: #BFDBFE;
  --blue-text: #1E40AF;
  --blue-active-border: #93C5FD;
  --blue-ring: rgba(37, 99, 235, 0.12);
  --blue-focus: rgba(37, 99, 235, 0.45);
}

.theme-toggle {
  min-height: 38px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--theme-control-border);
  border-radius: 999px;
  background: var(--theme-control-bg);
  color: var(--theme-control-text);
  box-shadow: 0 8px 24px rgba(11, 17, 32, 0.12);
  font: 700 12px/1 Arial, Helvetica, sans-serif;
  cursor: pointer;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.theme-toggle:hover { border-color: var(--blue); }
.theme-toggle:focus-visible { outline: 3px solid var(--blue-focus); outline-offset: 3px; }
.theme-icon { width: 16px; font-size: 15px; text-align: center; }

.portfolio-theme-control {
  position: fixed;
  top: max(18px, env(safe-area-inset-top));
  right: max(18px, env(safe-area-inset-right));
  z-index: 50;
}

.header-actions { display: flex; align-items: center; gap: 16px; }

[data-page="portfolio"][data-theme="light"] body {
  background: #F1F0E8;
  color: #0B1120;
}

[data-page="portfolio"][data-theme="light"] p,
[data-page="portfolio"][data-theme="light"] .email a { color: #526176; }

[data-page="portfolio"][data-theme="light"] .links a,
[data-page="portfolio"][data-theme="light"] .project-card a { color: #0B1120; }

[data-page="portfolio"][data-theme="light"] .about { background: #F1F0E8; }
[data-page="portfolio"][data-theme="light"] .projects { background: #F1F0E8; }

[data-page="portfolio"][data-theme="light"] .project-card {
  border-color: rgba(11, 17, 32, 0.14);
  background: #FFFFFF;
  box-shadow: 0 16px 38px rgba(11, 17, 32, 0.07);
}

[data-page="portfolio"] .logo {
  aspect-ratio: 3 / 2;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

[data-page="portfolio"][data-theme="light"] .logo {
  background-image: url("/assets/th-logo-navy.svg");
}

[data-page="portfolio"][data-theme="dark"] .logo {
  background-image: url("/assets/th-logo-ivory.svg");
}

[data-page="portfolio"][data-theme="dark"] body { background: #0B1120; color: #F1F0E8; }
[data-page="portfolio"][data-theme="dark"] .about { background: #0B1120; }
[data-page="portfolio"][data-theme="dark"] .projects { background: #0B1120; }

.project-origin {
  margin: 0 0 2px;
  color: #94A3B8;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.project-story {
  margin: 0 0 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.story-heading { max-width: 760px; margin-bottom: 18px; }
.story-heading h2 {
  margin: 6px 0 0;
  color: var(--navy, var(--portfolio-navy));
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -.025em;
}

.story-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.story-grid article {
  padding: 17px 18px;
  border: 1px solid var(--soft-line);
  border-radius: 8px;
  background: var(--story-card);
}
.story-grid h3 { margin: 0 0 7px; color: var(--ink); font-size: 14px; }
.story-grid p { margin: 0; color: var(--story-copy); font-size: 13px; line-height: 1.55; }

[data-page="demo"][data-theme="light"] {
  --page: #F1F0E8;
  --muted: #526176;
}

[data-page="demo"][data-theme="dark"] {
  --navy: #F1F0E8;
  --ivory: #0B1120;
  --portfolio-navy: #F1F0E8;
  --portfolio-ivory: #0B1120;
  --ink: #F1F0E8;
  --muted: #94A3B8;
  --line: #334155;
  --soft-line: #293548;
  --page: #0B1120;
  --panel: #151E2E;
  --blue: #60A5FA;
  --blue-dark: #1D4ED8;
  --blue-fill: #2563EB;
  --blue-soft: #172554;
  --blue-border: #315A92;
  --blue-text: #BFDBFE;
  --blue-active-border: #315A92;
  --blue-ring: rgba(96, 165, 250, 0.24);
  --blue-focus: rgba(96, 165, 250, 0.45);
  --portal-soft: var(--blue-soft);
  --success-soft: #0F2F25;
  --danger-soft: #3F1D1D;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

[data-page="demo"][data-theme="dark"] body { background: var(--page); color: var(--ink); }
[data-page="demo"][data-theme="dark"] .button-primary,
[data-page="demo"][data-theme="dark"] .app-symbol,
[data-page="demo"][data-theme="dark"] .portal-symbol,
[data-page="demo"][data-theme="dark"] .pipeline-step.active .step-icon {
  background: var(--blue-fill);
}

[data-page="demo"][data-theme="dark"] .environment {
  color: var(--blue-text);
}
[data-page="demo"][data-theme="dark"] .brand,
[data-page="demo"][data-theme="dark"] h1,
[data-page="demo"][data-theme="dark"] h2,
[data-page="demo"][data-theme="dark"] h3,
[data-page="demo"][data-theme="dark"] strong,
[data-page="demo"][data-theme="dark"] legend { color: #F1F0E8; }

[data-page="demo"][data-theme="dark"] .intro-copy,
[data-page="demo"][data-theme="dark"] .back-link,
[data-page="demo"][data-theme="dark"] .privacy-note,
[data-page="demo"][data-theme="dark"] .panel-heading p,
[data-page="demo"][data-theme="dark"] .recording p,
[data-page="demo"][data-theme="dark"] .workspace-header p,
[data-page="demo"][data-theme="dark"] .progress-header p,
[data-page="demo"][data-theme="dark"] .driver-label,
[data-page="demo"][data-theme="dark"] .control label,
[data-page="demo"][data-theme="dark"] td,
[data-page="demo"][data-theme="dark"] label,
[data-page="demo"][data-theme="dark"] footer { color: #CBD5E1; }

[data-page="demo"][data-theme="dark"] .card,
[data-page="demo"][data-theme="dark"] .recording,
[data-page="demo"][data-theme="dark"] .input-panel,
[data-page="demo"][data-theme="dark"] .portal-panel,
[data-page="demo"][data-theme="dark"] .project-story { background: var(--panel); }

[data-page="demo"][data-theme="dark"] th,
[data-page="demo"][data-theme="dark"] .scenario-controls,
[data-page="demo"][data-theme="dark"] .log-panel,
[data-page="demo"][data-theme="dark"] .results-panel,
[data-page="demo"][data-theme="dark"] .portal-topbar,
[data-page="demo"][data-theme="dark"] .portal-footer { background: #0F172A; color: #CBD5E1; }

[data-page="demo"][data-theme="dark"] input,
[data-page="demo"][data-theme="dark"] select,
[data-page="demo"][data-theme="dark"] textarea,
[data-page="demo"][data-theme="dark"] .attachment-display {
  border-color: #334155;
  background: #0F172A;
  color: #E2E8F0;
}

[data-page="demo"][data-theme="dark"] td input { background: transparent; }
[data-page="demo"][data-theme="dark"] td input:hover,
[data-page="demo"][data-theme="dark"] td input:focus,
[data-page="demo"][data-theme="dark"] .source-table input:hover,
[data-page="demo"][data-theme="dark"] .source-table input:focus { background: #0F172A; }

[data-page="demo"][data-theme="dark"] .button-secondary {
  border-color: #475569;
  background: #1E293B;
  color: #F1F0E8;
}
[data-page="demo"][data-theme="dark"] .button-secondary:hover:not(:disabled) { background: #273449; }

[data-page="demo"][data-theme="dark"] .pipeline-step { border-color: #334155; background: #0F172A; }
[data-page="demo"][data-theme="dark"] .pipeline-step strong,
[data-page="demo"][data-theme="dark"] .driver-label strong,
[data-page="demo"][data-theme="dark"] .log-panel h3 { color: #E2E8F0; }
[data-page="demo"][data-theme="dark"] .step-icon { background: #334155; color: #CBD5E1; }
[data-page="demo"][data-theme="dark"] .driver-track,
[data-page="demo"][data-theme="dark"] .progress-track { background: #273449; }
[data-page="demo"][data-theme="dark"] .project-facts span {
  border-color: var(--blue-border);
  background: var(--blue-soft);
  color: var(--blue-text);
}


[data-page="demo"][data-theme="dark"] .input-actions,
[data-page="demo"][data-theme="dark"] .portal-progress,
[data-page="demo"][data-theme="dark"] #portal-form,
[data-page="demo"][data-theme="dark"] .field.active input,
[data-page="demo"][data-theme="dark"] .field.active select,
[data-page="demo"][data-theme="dark"] .field.active .attachment-display,
[data-page="demo"][data-theme="dark"] .field.complete input,
[data-page="demo"][data-theme="dark"] .field.complete select,
[data-page="demo"][data-theme="dark"] .field.complete .attachment-display {
  background: #0F172A;
}

[data-page="demo"][data-theme="dark"] .portal-product strong,
[data-page="demo"][data-theme="dark"] .results-panel h3 {
  color: #F1F0E8;
}

[data-page="demo"][data-theme="dark"] .queue-actions,
[data-page="demo"][data-theme="dark"] .run-heading,
[data-page="demo"][data-theme="dark"] .directory,
[data-page="demo"][data-theme="dark"] .directory-header,
[data-page="demo"][data-theme="dark"] .activity-panel,
[data-page="demo"][data-theme="dark"] .business-card {
  background: #0F172A;
}

[data-page="demo"][data-theme="dark"] .activity-panel p,
[data-page="demo"][data-theme="dark"] .log-list li {
  color: #CBD5E1;
}

[data-page="demo"][data-theme="dark"] .sheet-status {
  background: #1E293B;
  color: #CBD5E1;
}

@media (max-width: 700px) {
  .theme-toggle { min-width: 38px; padding: 0 10px; }
  .theme-toggle [data-theme-label] { display: none; }
  .header-actions { gap: 11px; }
  .story-grid { grid-template-columns: 1fr; }
  .project-story { padding: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle { transition: none; }
}

/* Shared project-page header */

[data-page="demo"] .site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  max-width: none;
  height: 72px;
  margin: 0;
  padding: 0 max(32px, calc((100vw - 1100px) / 2 + 32px));
  border-bottom: 1px solid var(--line);
  background: var(--page);
}

[data-page="demo"] .brand {
  width: 45px;
  height: 34px;
  display: block;
}

[data-page="demo"] .brand > span:last-child {
  display: none;
}

[data-page="demo"] .brand-mark {
  width: 45px;
  height: 34px;
  display: block;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background-color: transparent;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  color: transparent;
  font-size: 0;
}

[data-page="demo"] .header-actions {
  gap: 16px;
}

[data-page="demo"] .back-link {
  color: var(--theme-control-text);
  font-size: 14px;
  font-weight: 700;
}

[data-page="demo"] .back-link:hover,
[data-page="demo"] .back-link:focus-visible {
  color: var(--blue);
}

[data-page="demo"][data-theme="light"] .brand-mark {
  background-image: url("/assets/th-logo-navy.svg");
}

[data-page="demo"][data-theme="dark"] .brand-mark {
  background-image: url("/assets/th-logo-ivory.svg");
}

@media (max-width: 800px) {
  [data-page="demo"] .site-header {
    height: 64px;
    padding: 0 24px;
  }

  [data-page="demo"] .brand,
  [data-page="demo"] .brand-mark {
    width: 39px;
    height: 29px;
  }
}

footer {
  flex-wrap: wrap;
}

footer .visitor-privacy-notice {
  flex: 0 0 100%;
  width: 100%;
  margin: 8px 0 0;
  color: #94A3B8;
  font-size: 10px;
  line-height: 1.4;
  text-align: center;
}

[data-theme="light"] footer .visitor-privacy-notice {
  color: #526176;
}

@media (max-width: 800px) {
  footer .visitor-privacy-notice {
    margin-top: 7px;
    font-size: 9px;
  }
}