:root {
  color-scheme: light;
  /* Primitive tokens */
  --color-green-950: #08251b;
  --color-green-900: #0b241c;
  --color-green-800: #074d37;
  --color-green-700: #0b6849;
  --color-green-500: #21b477;
  --color-green-100: #d7ebe2;
  --color-ink-900: #13251f;
  --color-ink-600: #5b6c65;
  --color-ink-300: #aebdb5;
  --color-ink-200: #d8e1dc;
  --color-paper-100: #f2f6f3;
  --color-paper-0: #ffffff;
  --color-amber-600: #b56f00;
  --color-amber-100: #fff6da;
  --color-amber-300: #ead28c;
  --color-red-700: #9f2d2d;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --duration-fast: 150ms;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-panel: 0 8px 24px rgb(8 37 27 / .05);

  /* Semantic tokens */
  --color-text: var(--color-ink-900);
  --color-text-muted: var(--color-ink-600);
  --color-border: var(--color-ink-200);
  --color-background: var(--color-paper-100);
  --color-surface: var(--color-paper-0);
  --color-primary: var(--color-green-700);
  --color-primary-hover: var(--color-green-800);
  --color-on-primary: var(--color-paper-0);
  --color-focus: var(--color-amber-600);
  --color-danger: var(--color-red-700);
  --color-status-bg: var(--color-amber-100);
  --color-status-border: var(--color-amber-300);
  --spacing-component: var(--space-4);
  --spacing-section: var(--space-6);

  /* Component tokens */
  --button-bg: var(--color-primary);
  --button-bg-hover: var(--color-primary-hover);
  --button-fg: var(--color-on-primary);
  --button-radius: var(--radius-md);
  --input-bg: var(--color-surface);
  --input-border: var(--color-ink-300);
  --input-radius: 9px;
  --card-bg: var(--color-surface);
  --card-border: var(--color-border);
  --card-radius: var(--radius-lg);
  --card-shadow: var(--shadow-panel);
  font-family: var(--font-body);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--color-background); color: var(--color-text); line-height: 1.5; }
button, input, textarea, select { font: inherit; }
button, .button { min-height: 44px; border: 0; border-radius: var(--button-radius); padding: .65rem var(--space-4); background: var(--button-bg); color: var(--button-fg); cursor: pointer; font-weight: 700; transition: background-color var(--duration-fast) ease-in-out, opacity var(--duration-fast) ease-in-out; }
button:hover { background: var(--button-bg-hover); }
button.secondary { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }
button.secondary:hover { background: var(--color-background); }
button.danger { background: var(--color-danger); }
button.danger:hover { background: var(--color-red-700); }
button:disabled { opacity: .55; cursor: not-allowed; }
a { color: var(--color-primary-hover); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
.skip-link { position: fixed; left: var(--space-4); top: -5rem; z-index: 10; background: var(--color-surface); padding: var(--space-3); }
.skip-link:focus { top: 1rem; }
.site-header { min-height: 68px; background: var(--color-green-950); color: var(--color-on-primary); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: .8rem max(1rem, calc((100vw - 1160px) / 2)); }
.brand { color: var(--color-on-primary); text-decoration: none; font-size: 1.2rem; font-weight: 900; letter-spacing: .05em; }
.brand span { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-right: .35rem; border-radius: var(--radius-md); background: var(--color-green-500); }
nav { display: flex; align-items: center; gap: .6rem; }
nav span { color: var(--color-green-100); }
.status { min-height: 0; max-width: 1160px; margin: .8rem auto 0; padding: 0 1rem; }
.status:not(:empty) { min-height: 44px; padding: .7rem 1rem; background: var(--color-status-bg); border: 1px solid var(--color-status-border); border-radius: var(--radius-md); }
.status[data-tone="error"] { color: var(--color-danger); font-weight: 700; }
main { width: min(1160px, calc(100% - 2rem)); margin: 1.2rem auto 4rem; }
.hero { border-radius: var(--radius-xl); padding: clamp(1.5rem, 4vw, 3.5rem); color: var(--color-on-primary); background: linear-gradient(135deg, var(--color-green-950), var(--color-primary)); }
.hero h1 { margin: 0; max-width: 15ch; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.05; }
.hero p { max-width: 62ch; color: var(--color-green-100); }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 380px); gap: 1.2rem; margin-top: 1.2rem; align-items: start; }
.panel, .card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--card-radius); padding: 1.1rem; box-shadow: var(--card-shadow); }
.panel h2, .card h3 { margin-top: 0; }
.stack { display: grid; gap: .8rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: .9rem; }
.card p { color: var(--color-text-muted); }
.meta { display: flex; flex-wrap: wrap; gap: .4rem; color: var(--color-text-muted); font-size: .9rem; }
.pill { padding: .2rem .55rem; border-radius: 999px; background: var(--color-background); }
form { display: grid; gap: .8rem; }
label { display: grid; gap: .35rem; font-weight: 700; }
input, textarea, select { width: 100%; min-height: 44px; padding: .65rem .75rem; border: 1px solid var(--input-border); border-radius: var(--input-radius); background: var(--input-bg); color: var(--color-text); }
textarea { min-height: 105px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
.full { grid-column: 1 / -1; }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.tickets { display: grid; grid-template-columns: repeat(auto-fill, minmax(52px, 1fr)); gap: .45rem; max-height: 340px; overflow: auto; padding: .25rem; }
.ticket { position: relative; }
.ticket input { position: absolute; opacity: 0; }
.ticket span { display: grid; place-items: center; min-height: 44px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); cursor: pointer; }
.ticket input:checked + span { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-on-primary); }
.ticket input:focus-visible + span { outline: 3px solid var(--color-focus); }
.empty { padding: var(--space-4); color: var(--color-text-muted); background: var(--color-background); border-radius: var(--radius-md); }
.price { font-size: 1.5rem; font-weight: 900; color: var(--color-primary-hover); }
.auth-tabs { display: flex; gap: .5rem; }
.auth-tabs button[aria-selected="false"] { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }
footer { padding: 2rem 1rem; text-align: center; color: var(--color-text-muted); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media (max-width: 780px) {
  .layout { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .site-header { align-items: flex-start; }
  nav { flex-wrap: wrap; justify-content: flex-end; }
}