:root {
  color-scheme: dark;
  --color-canvas: #080b10;
  --color-surface: #111820;
  --color-surface-raised: #17222d;
  --color-surface-hover: #1d2a36;
  --color-text-primary: #f4f7fb;
  --color-text-secondary: #d9e2ec;
  --color-text-muted: #b5c2d0;
  --color-text-subtle: #8d9baa;
  --color-border: #30404f;
  --color-border-strong: #526678;
  --color-accent: #ff9a6e;
  --color-accent-hover: #ffb18f;
  --color-accent-ink: #1b0d08;
  --color-focus: #8dc7ff;
  --color-success: #72d6a3;
  --color-success-surface: #153a2c;
  --color-danger: #ff8f8f;
  --color-danger-text: #ffb4b4;
  --color-danger-surface: #3a1d24;
  --radius: 16px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; background: var(--color-canvas); }
body { margin: 0; background: var(--color-canvas); color: var(--color-text-primary); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.5; }
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.site-header { background: var(--color-surface); color: var(--color-text-primary); display: flex; align-items: center; gap: 12px; min-height: 80px; padding: 16px; border-bottom: 1px solid var(--color-border); box-shadow: 0 8px 24px #00000040; }
.brand-mark { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid var(--color-border-strong); border-radius: 12px; color: var(--color-accent); font-size: 13px; font-weight: 800; letter-spacing: .06em; }
.brand-copy { flex: 1; }
.eyebrow, .section-kicker { margin: 0; color: var(--color-text-muted); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.brand-copy h1 { font-size: 1.05rem; line-height: 1.2; margin: 2px 0 0; font-weight: 650; }
.app-status { display: flex; align-items: center; gap: 7px; color: var(--color-text-secondary); font-size: .82rem; white-space: nowrap; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-success); box-shadow: 0 0 0 4px #72d6a333; }
.main-content { width: 100%; max-width: 960px; margin: 0 auto; padding: 20px 16px 48px; flex: 1; }
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: 0 8px 24px #00000030; padding: 20px; }
.vehicle-card, .request-card { margin-bottom: 16px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 20px; }
.section-heading h2 { font-size: 1.3rem; line-height: 1.25; margin: 3px 0 0; color: var(--color-text-primary); letter-spacing: -.02em; }
.section-kicker { color: var(--color-text-muted); font-size: .68rem; }
.verified-badge, .step-label { border-radius: 999px; color: var(--color-success); background: var(--color-success-surface); font-size: .72rem; font-weight: 750; padding: 4px 9px; white-space: nowrap; }
.step-label { color: var(--color-text-secondary); background: var(--color-surface-raised); }
.vehicle-details { display: flex; align-items: center; gap: 12px; }
.vehicle-icon { display: grid; place-items: center; background: var(--color-surface-raised); border: 1px solid var(--color-border); border-radius: 12px; width: 48px; height: 48px; color: var(--color-accent); font-weight: 850; font-size: 1.35rem; }
.vehicle-name { font-weight: 750; margin: 0; color: var(--color-text-primary); }
.vehicle-meta, .card-note { color: var(--color-text-muted); margin: 2px 0 0; font-size: .9rem; }
.card-note { margin: 16px 0; }
.button { border: 1px solid transparent; border-radius: 10px; min-height: 46px; padding: 10px 16px; font: inherit; font-weight: 750; cursor: pointer; transition: background .18s ease, transform .18s ease, box-shadow .18s ease; color: var(--color-text-primary); }
.button:disabled { cursor: not-allowed; opacity: .48; }
.button:not(:disabled):hover { transform: translateY(-1px); }
.button-primary { background: var(--color-accent); color: var(--color-accent-ink); box-shadow: 0 4px 10px #ff9a6e33; }
.button-primary:not(:disabled):hover { background: var(--color-accent-hover); }
.button-secondary { background: var(--color-surface-raised); border-color: var(--color-border-strong); color: var(--color-text-primary); }
.button-secondary:not(:disabled):hover { background: var(--color-surface-hover); border-color: var(--color-text-muted); }
.button-quiet { background: transparent; color: var(--color-text-secondary); padding-left: 8px; padding-right: 8px; }
.button-quiet:not(:disabled):hover { background: var(--color-surface-raised); }
.field-label { display: block; font-weight: 750; color: var(--color-text-primary); margin-bottom: 8px; }
input:not([type="checkbox"]), textarea { display: block; width: 100%; padding: 13px 14px; border: 1px solid var(--color-border-strong); border-radius: 11px; background: var(--color-canvas); color: var(--color-text-primary); font: inherit; line-height: 1.5; }
textarea { min-height: 142px; resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--color-text-subtle); }
input:focus, textarea:focus { border-color: var(--color-focus); box-shadow: 0 0 0 3px #8dc7ff40; outline: 0; }
.check-row { display: flex; align-items: center; gap: 10px; margin-top: 14px; color: var(--color-text-secondary); }
.check-row input { width: 18px; height: 18px; accent-color: var(--color-accent); }
.field-footer { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.help-text, .character-count { margin: 7px 0 0; color: var(--color-text-muted); font-size: .82rem; }
.character-count { white-space: nowrap; }
.field-error { margin: 10px 0 0; color: var(--color-danger-text); font-weight: 650; }
.voice-panel { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; margin-top: 16px; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.voice-copy { display: flex; flex-direction: column; gap: 2px; }
.voice-copy strong { font-size: .9rem; }
.voice-copy span { font-size: .82rem; color: var(--color-text-muted); }
.voice-actions { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.voice-actions .button { min-height: 44px; }
.form-actions { display: flex; flex-direction: column-reverse; gap: 8px; margin-top: 16px; }
.form-actions .button { width: 100%; }
.privacy-note { display: flex; gap: 9px; margin-top: 18px; color: var(--color-text-muted); font-size: .77rem; }
.privacy-note p { margin: 0; }
.privacy-icon { display: grid; place-items: center; flex: 0 0 18px; height: 18px; border: 1px solid var(--color-border-strong); border-radius: 50%; font-size: .7rem; font-weight: 800; }
.answer-section { margin-top: 28px; }
.answer-card { border-top: 4px solid var(--color-success); }
.answer-label { display: flex; align-items: center; gap: 8px; color: var(--color-success); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.answer-check { display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; background: var(--color-success-surface); }
.answer-card h3 { font-size: 1.08rem; margin: 20px 0 8px; color: var(--color-text-primary); }
.answer-card p { margin: 0 0 10px; }
.answer-card ul { padding-left: 21px; }
.source-note { border-top: 1px solid var(--color-border); padding-top: 14px; color: var(--color-text-muted); font-size: .82rem; margin-top: 20px !important; }
.answer-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.answer-actions .button { width: 100%; }
.action-status { color: var(--color-success); font-size: .82rem; margin-top: 8px !important; }
.error-banner { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; background: var(--color-danger-surface); border: 1px solid var(--color-danger); border-left: 4px solid var(--color-danger); border-radius: 12px; padding: 15px 16px; color: var(--color-danger-text); }
.error-banner strong { display: block; }
.error-banner span { color: var(--color-danger-text); }
.error-banner .button { margin-left: auto; }
.site-footer { padding: 24px 16px 32px; background: var(--color-surface); border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: .78rem; text-align: center; }
.site-footer p { margin: 0 0 8px; }
.site-footer nav { display: flex; justify-content: center; gap: 18px; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; color: var(--color-text-primary); font-weight: 700; }
.skip-link { position: absolute; left: 8px; top: 8px; transform: translateY(-150%); padding: 10px 14px; background: var(--color-surface-raised); color: var(--color-text-primary); border: 1px solid var(--color-border-strong); border-radius: 8px; font-weight: 750; z-index: 10; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.dialog-backdrop { position: fixed; inset: 0; display: grid; place-items: center; padding: 16px; background: #000000d9; z-index: 5; }
.dialog { width: min(100%, 480px); background: var(--color-surface-raised); border: 1px solid var(--color-border-strong); border-radius: 18px; padding: 24px; box-shadow: 0 20px 60px #00000099; }
.dialog h2 { margin: 4px 0 10px; color: var(--color-text-primary); font-size: 1.35rem; }
.dialog p:not(.section-kicker) { color: var(--color-text-secondary); }
.dialog-actions { display: flex; flex-direction: column-reverse; gap: 8px; margin-top: 22px; }
.dialog[hidden], .answer-section[hidden], .error-banner[hidden] { display: none; }
@media (min-width: 480px) { .main-content { padding: 24px; } .form-actions { flex-direction: row; align-items: center; } .form-actions .button-primary { margin-left: auto; width: auto; } .form-actions .button-quiet { width: auto; } .answer-actions { flex-direction: row; } .answer-actions .button { width: auto; } .dialog-actions { flex-direction: row; justify-content: flex-end; } }
@media (min-width: 768px) { .site-header { padding-left: max(24px, calc((100% - 912px) / 2)); padding-right: max(24px, calc((100% - 912px) / 2)); } .main-content { padding-top: 36px; } .card { padding: 28px; } .vehicle-card { margin-bottom: 20px; } .answer-actions { justify-content: flex-end; } .site-footer { padding-top: 28px; } }
@media (min-width: 1024px) { .main-content { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; } .vehicle-card, .request-card { margin: 0; } .vehicle-card { grid-column: 1 / -1; } .answer-section { grid-column: 1 / -1; margin-top: 0; } .error-banner { grid-column: 1 / -1; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } }