:root {
  color-scheme: dark;
  --bg: oklch(13% 0.012 190);
  --surface: oklch(17% 0.012 190);
  --surface-raised: oklch(21% 0.014 190);
  --surface-glass: oklch(22% 0.014 190 / 0.76);
  --border: oklch(38% 0.018 190);
  --border-quiet: oklch(28% 0.014 190);
  --text: oklch(94% 0.008 90);
  --text-muted: oklch(72% 0.014 190);
  --text-quiet: oklch(58% 0.014 190);
  --accent: oklch(70% 0.12 180);
  --accent-strong: oklch(61% 0.13 180);
  --accent-ink: oklch(15% 0.025 190);
  --danger: oklch(68% 0.16 25);
  --warning: oklch(78% 0.12 80);
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { min-width: 20rem; background: var(--bg); }
body { margin: 0; min-height: 100dvh; color: var(--text); background: var(--bg); font: 400 1rem/1.5 var(--font-sans); letter-spacing: 0.01em; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
[hidden] { display: none !important; }

.skip-link { position: fixed; top: 0.75rem; left: 0.75rem; z-index: 10; padding: 0.75rem 1rem; color: var(--accent-ink); background: var(--accent); border-radius: var(--radius-sm); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.app-header { min-height: 4rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.75rem max(1rem, env(safe-area-inset-right)) 0.75rem max(1rem, env(safe-area-inset-left)); border-bottom: 1px solid var(--border-quiet); }
.brand { display: flex; align-items: center; gap: 0.75rem; color: var(--text); text-decoration: none; font-weight: 650; }
.brand-mark { display: grid; place-items: center; width: 2.75rem; height: 2.25rem; border: 1px solid var(--accent-strong); border-radius: var(--radius-sm); color: var(--accent); font: 700 0.875rem/1 var(--font-mono); }
.local-status { display: flex; align-items: center; gap: 0.5rem; color: var(--text-muted); font-size: 0.875rem; }
.status-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--warning); box-shadow: 0 0 0 0.25rem oklch(78% 0.12 80 / 0.08); }
.local-status.ready .status-dot { background: var(--accent); box-shadow: 0 0 0 0.25rem oklch(70% 0.12 180 / 0.08); }
.local-status.error .status-dot { background: var(--danger); box-shadow: 0 0 0 0.25rem oklch(68% 0.16 25 / 0.08); }

.app-shell { display: grid; gap: 1rem; width: min(100%, 100rem); margin: 0 auto; padding: 1rem max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left)); }
.setup-notice { display: flex; align-items: center; padding: 0.875rem 1rem; border: 1px solid oklch(53% 0.09 75); border-radius: var(--radius-sm); color: var(--warning); background: oklch(20% 0.022 75); }
.setup-notice strong { font-size: 0.875rem; }
.setup-notice p { margin: 0.25rem 0 0; color: var(--text-muted); font-size: 0.8125rem; }
.setup-notice code { color: var(--text); font: 500 0.75rem/1.4 var(--font-mono); }
.intake-surface, .progress-surface { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-glass); backdrop-filter: blur(1rem) saturate(120%); }
.intake-surface { padding: 1rem; }
#generateForm { display: grid; gap: 1rem; }
.field { min-width: 0; }
.field label { display: block; margin-bottom: 0.5rem; color: var(--text-muted); font-size: 0.875rem; font-weight: 600; }
.url-control { min-height: 3.25rem; display: flex; align-items: center; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); transition: border-color 180ms var(--ease-out), background 180ms var(--ease-out); }
.url-control:focus-within { border-color: var(--accent); background: var(--surface-raised); }
.url-control.has-error { border-color: var(--danger); }
.url-icon { padding-left: 1rem; color: var(--text-quiet); font-size: 1.5rem; }
#websiteUrl, #accessKey { width: 100%; min-width: 0; padding: 0.75rem 1rem; border: 0; outline: 0; color: var(--text); background: transparent; }
.url-icon svg { display: block; width: 1.125rem; height: 1.125rem; }
.field-hint, .field-error { display: block; min-height: 1.25rem; margin-top: 0.375rem; font-size: 0.75rem; }
.field-hint { color: var(--text-quiet); }
.field-error { color: var(--danger); }
.primary-button, .secondary-button { min-height: 2.75rem; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); font-weight: 650; text-decoration: none; cursor: pointer; transition: background 160ms var(--ease-out), border-color 160ms var(--ease-out), transform 100ms var(--ease-out); }
.primary-button { min-width: 12rem; padding: 0.75rem 1.25rem; border: 1px solid var(--accent); color: var(--accent-ink); background: var(--accent); }
.primary-button:hover { background: oklch(75% 0.12 180); }
.primary-button:active, .secondary-button:active { transform: translateY(1px); }
.primary-button:disabled { cursor: wait; opacity: 0.62; }

.progress-surface { padding: 0.75rem; }
.progress-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.progress-step { min-width: 0; display: flex; align-items: center; gap: 0.75rem; padding: 0.625rem; color: var(--text-quiet); border-radius: var(--radius-sm); }
.step-marker { flex: 0 0 auto; display: grid; place-items: center; width: 1.75rem; height: 1.75rem; border: 1px solid var(--border); border-radius: 50%; font: 600 0.75rem/1 var(--font-mono); }
.progress-step strong, .progress-step small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.progress-step strong { color: var(--text-muted); font-size: 0.875rem; }
.progress-step small { margin-top: 0.125rem; font-size: 0.6875rem; }
.progress-step[data-state="active"] { background: var(--surface-raised); }
.progress-step[data-state="active"] .step-marker { color: var(--accent-ink); border-color: var(--accent); background: var(--accent); animation: breathe 1.6s infinite alternate var(--ease-out); }
.progress-step[data-state="complete"] .step-marker { color: var(--accent-ink); border-color: var(--accent); background: var(--accent); }
.progress-step[data-state="complete"] .step-marker::before { content: "✓"; }
.progress-step[data-state="complete"] .step-marker { font-size: 0; }
.progress-step[data-state="complete"] .step-marker::before { font-size: 0.875rem; }
.progress-step[data-state="complete"] strong, .progress-step[data-state="complete"] small { color: var(--accent); }
.progress-step[data-state="error"] .step-marker { color: var(--danger); border-color: var(--danger); }

.empty-workspace { min-height: 30rem; display: grid; align-content: center; gap: 3rem; padding: 3rem 1.25rem; border: 1px solid var(--border-quiet); border-radius: var(--radius-md); background: var(--surface); }
.empty-copy { max-width: 44rem; }
.eyebrow { margin: 0 0 0.5rem; color: var(--accent); font: 600 0.75rem/1.3 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.empty-copy h1, .document-toolbar h1 { margin: 0; letter-spacing: -0.025em; text-wrap: balance; }
.empty-copy h1 { max-width: 18ch; font-size: 2rem; line-height: 1.15; }
.empty-copy > p:last-child { max-width: 65ch; margin: 1rem 0 0; color: var(--text-muted); }
.output-list { display: grid; gap: 0; margin: 0; padding: 0; border-top: 1px solid var(--border-quiet); list-style: none; }
.output-list li { display: flex; gap: 1rem; padding: 0.75rem 0; border-bottom: 1px solid var(--border-quiet); }
.output-list span { color: var(--text-quiet); font: 500 0.75rem/1.5 var(--font-mono); }
.output-list code { overflow-wrap: anywhere; color: var(--text-muted); font: 400 0.875rem/1.5 var(--font-mono); }

.workspace { min-height: 34rem; display: grid; overflow: clip; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); }
.document-nav { min-width: 0; border-bottom: 1px solid var(--border-quiet); background: oklch(15.5% 0.012 190); }
.document-tabs { display: flex; overflow-x: auto; scrollbar-width: thin; }
.document-tabs button { min-height: 3.5rem; flex: 0 0 auto; padding: 0.75rem 1rem; border: 0; border-bottom: 2px solid transparent; color: var(--text-muted); background: transparent; cursor: pointer; }
.document-tabs button span { margin-right: 0.375rem; color: var(--text-quiet); font: 500 0.6875rem/1 var(--font-mono); }
.document-tabs button:hover { color: var(--text); background: var(--surface-raised); }
.document-tabs button[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); background: oklch(24% 0.035 190); }
.saved-count { display: none; }
.document-pane { min-width: 0; display: flex; flex-direction: column; padding: 1rem; }
.document-toolbar { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1rem; }
.document-toolbar h1 { font-size: 1.5rem; line-height: 1.2; }
.document-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.secondary-button { padding: 0.625rem 0.875rem; border: 1px solid var(--border); color: var(--text-muted); background: transparent; font-size: 0.8125rem; }
.secondary-button:hover { color: var(--text); border-color: var(--text-quiet); background: var(--surface-raised); }
.secondary-button.action-accent { color: var(--accent); border-color: var(--accent-strong); }
#editor { width: 100%; min-height: min(28rem, 65dvh); flex: 1; resize: vertical; padding: 1rem; border: 1px solid var(--border-quiet); border-radius: var(--radius-sm); outline: 0; color: var(--text); background: oklch(14.5% 0.01 190); font: 400 1rem/1.7 var(--font-mono); tab-size: 2; }
#editor[readonly] { cursor: text; }
#editor:not([readonly]) { border-color: var(--accent-strong); background: oklch(16% 0.012 190); }
.document-status { display: flex; justify-content: space-between; gap: 1rem; margin-top: 0.75rem; color: var(--text-quiet); font: 500 0.6875rem/1.4 var(--font-mono); }
.toast { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); max-width: min(24rem, calc(100vw - 2rem)); padding: 0.75rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); background: var(--surface-raised); box-shadow: 0 1rem 3rem oklch(5% 0.01 190 / 0.4); }
.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; }

@keyframes breathe { from { box-shadow: 0 0 0 0 oklch(70% 0.12 180 / 0); } to { box-shadow: 0 0 0 0.4rem oklch(70% 0.12 180 / 0.12); } }
@media (min-width: 44rem) {
  .app-shell { padding: 1.25rem; }
  #generateForm { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
  .primary-button { margin-top: 0.125rem; }
  .progress-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .empty-workspace { grid-template-columns: minmax(0, 1.2fr) minmax(17rem, 0.8fr); align-items: center; padding: 4rem; }
  .document-toolbar { flex-direction: row; align-items: center; justify-content: space-between; }
}
@media (min-width: 62rem) {
  .app-shell { padding: 1.25rem 2rem 2rem; }
  .workspace { grid-template-columns: 15.5rem minmax(0, 1fr); min-height: calc(100dvh - 15.5rem); }
  .document-nav { display: flex; flex-direction: column; border-right: 1px solid var(--border-quiet); border-bottom: 0; }
  .document-tabs { display: block; overflow: visible; padding-top: 0.75rem; }
  .document-tabs button { width: 100%; min-height: 4rem; display: block; padding: 1rem 1.25rem; border-bottom: 0; border-left: 2px solid transparent; text-align: left; }
  .document-tabs button[aria-current="page"] { border-left-color: var(--accent); }
  .saved-count { display: block; margin: auto 1rem 0; padding: 1rem 0; border-top: 1px solid var(--border-quiet); color: var(--accent); font: 500 0.6875rem/1.4 var(--font-mono); }
  .document-pane { padding: 1.5rem 1.75rem 1rem; }
  #editor { min-height: 24rem; }
}
@media (hover: hover) { .primary-button:hover { transform: translateY(-1px); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }