:root {
  color-scheme: dark;
  --bg: #0b1210;
  --surface: #121d19;
  --surface-2: #182620;
  --line: #2a3c34;
  --text: #f3f6f4;
  --muted: #9fb0a8;
  --green: #7ce5af;
  --green-deep: #194c38;
  --orange: #ff9b64;
  --yellow: #f2d477;
  --red: #ff8d83;
  --radius: 20px;
  --shadow: 0 24px 70px rgb(0 0 0 / 24%);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 15% -20%, #1b3c2d 0, transparent 36rem), var(--bg); color: var(--text); }
a { color: var(--green); text-underline-offset: 0.18em; }
button, input, select { font: inherit; }
button, .button { min-height: 44px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: max(0.8rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0.8rem max(1rem, env(safe-area-inset-left));
  border-bottom: 1px solid rgb(124 229 175 / 15%);
  background: rgb(11 18 16 / 88%);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 0.75rem; color: var(--text); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--green); color: #07120d; font-weight: 900; font-size: 1.3rem; }
.brand strong, .brand small { display: block; }
.brand small { margin-top: 0.1rem; color: var(--muted); font-size: 0.72rem; }
.site-header nav { display: flex; align-items: center; gap: 1rem; }
.site-header nav form { margin: 0; }

.page-shell { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; padding: 2.25rem 0 max(5rem, env(safe-area-inset-bottom)); }
.hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin: 0 0 1.5rem; padding: clamp(1.5rem, 4vw, 3.5rem); border: 1px solid var(--line); border-radius: 30px; background: linear-gradient(135deg, #173227, #111a17 60%); box-shadow: var(--shadow); }
.hero.compact { display: block; }
.hero h1, .auth-card h1, .empty-state h1 { margin: 0.15rem 0 0.75rem; font-size: clamp(2rem, 7vw, 4.7rem); line-height: 0.98; letter-spacing: -0.045em; }
.hero.compact h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
.hero p, .auth-card p, .panel > p { color: var(--muted); line-height: 1.55; }
.eyebrow, .step { margin: 0 0 0.55rem !important; color: var(--green) !important; font-size: 0.74rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }

.panel, .roster-card, .auth-card, .empty-state { border: 1px solid var(--line); border-radius: var(--radius); background: rgb(18 29 25 / 94%); box-shadow: var(--shadow); }
.panel { padding: clamp(1.2rem, 3vw, 2rem); margin-bottom: 1.2rem; }
.panel h2 { margin: 0 0 0.65rem; font-size: clamp(1.35rem, 3vw, 2rem); }
.panel h3 { margin: 1.35rem 0 0.65rem; }
.focus-panel { border-color: var(--green); }
.auth-card { width: min(560px, 100%); margin: 8vh auto 0; padding: clamp(1.5rem, 6vw, 3.5rem); }
.auth-card h1 { font-size: clamp(2.4rem, 9vw, 4.3rem); }
.auth-actions { display: grid; gap: 0.75rem; margin-top: 2rem; }
.or { color: var(--muted); text-align: center; font-size: 0.8rem; text-transform: uppercase; }

.roster-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: 1rem; }
.roster-card { display: flex; flex-direction: column; justify-content: space-between; min-height: 310px; padding: 1.5rem; }
.roster-card h2 { margin: 0.8rem 0 0.25rem; font-size: 1.8rem; }
.roster-card p { color: var(--muted); }
.pill { display: inline-block; padding: 0.35rem 0.65rem; border: 1px solid #3f6654; border-radius: 999px; color: var(--green); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; }
.pill.retired { border-color: #756c49; color: var(--yellow); }
.mini-events { display: grid; gap: 0.5rem; margin: 1.3rem 0; }
.mini-events span { padding: 0.6rem 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.mini-events strong { color: var(--text); margin-right: 0.45rem; }
.card-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.button { display: inline-flex; align-items: center; justify-content: center; padding: 0.72rem 1rem; border: 1px solid transparent; border-radius: 12px; font-weight: 800; text-decoration: none; cursor: pointer; }
.button.primary { background: var(--green); color: #06120c; }
.button.secondary { border-color: #557767; background: var(--surface-2); color: var(--text); }
.button.ghost { border-color: var(--line); background: transparent; color: var(--green); }
.button.discord { background: #8c9eff; color: #0d1025; }
.button.danger-button { border-color: #7d4742; background: transparent; color: var(--red); }
.link-button { border: 0; background: transparent; color: var(--green); padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 0.18em; }
.link-button.danger { color: var(--red); }

.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.two-column .panel { margin: 0 0 1.2rem; }
.align-start { align-items: start; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.rider-name { padding: 0.5rem 0.75rem; border-radius: 10px; background: var(--green-deep); color: var(--green); font-weight: 800; }
.section-tabs { position: sticky; top: 75px; z-index: 10; display: flex; gap: 0.5rem; margin: 0 0 1rem; padding: 0.55rem; overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: rgb(18 29 25 / 94%); }
.section-tabs a { flex: 0 0 auto; padding: 0.6rem 0.9rem; border-radius: 9px; color: var(--text); text-decoration: none; }
.section-tabs a:hover { background: var(--surface-2); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem; }
.form-grid > .button, .form-grid > .check { align-self: end; }
label { display: grid; gap: 0.4rem; color: var(--muted); font-size: 0.82rem; font-weight: 700; }
input, select { width: 100%; min-height: 46px; padding: 0.72rem 0.8rem; border: 1px solid #3a5147; border-radius: 10px; background: #0d1713; color: var(--text); font-size: 1rem; }
input:focus, select:focus { outline: 3px solid rgb(124 229 175 / 20%); border-color: var(--green); }
.check { display: flex; align-items: center; gap: 0.65rem; min-height: 46px; }
.check input { width: 22px; min-height: 22px; }
.inline-form { display: flex; align-items: end; gap: 0.65rem; }
.inline-form label { flex: 1; }
.hint, .muted { color: var(--muted); font-size: 0.82rem; }

.availability-list { display: grid; gap: 0.55rem; }
.availability-row { display: grid; grid-template-columns: 62px 1fr; align-items: center; gap: 0.8rem; padding: 0.65rem; border: 1px solid var(--line); border-radius: 14px; background: #0e1814; }
.date-block { display: grid; text-align: center; }
.date-block strong { color: var(--green); text-transform: uppercase; }
.date-block span { color: var(--muted); font-size: 0.85rem; }
.choice-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem; }
.choice { min-width: 0; padding: 0.55rem 0.35rem; border: 1px solid #344a40; border-radius: 10px; background: var(--surface); color: var(--muted); font-size: 0.82rem; font-weight: 800; cursor: pointer; }
.choice.yes.selected { border-color: var(--green); background: var(--green-deep); color: var(--green); }
.choice.maybe.selected { border-color: var(--yellow); background: #4b401b; color: var(--yellow); }
.choice.no.selected { border-color: var(--red); background: #4a2725; color: var(--red); }

.event-list, .manage-events { display: grid; gap: 0.8rem; }
.event-row { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.event-row time { display: grid; }
.event-row time span, .event-row p { color: var(--muted); }
.event-row h3, .event-row p { margin: 0.15rem 0; }
.manage-event { border: 1px solid var(--line); border-radius: 15px; overflow: hidden; }
.manage-event > header { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; background: var(--surface-2); }
.manage-event h3, .manage-event p { margin: 0.2rem 0; }
.lineup-block { padding: 1rem; }
.assignment-list, .people-list, .admin-list, .invite-list { list-style: none; margin: 0.75rem 0; padding: 0; }
.assignment-list li, .people-list li, .admin-list li, .invite-list li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.72rem 0; border-bottom: 1px solid var(--line); }
.people-list small, .admin-list small, .invite-list small { display: block; color: var(--muted); }

.notice { padding: 0.8rem; border-radius: 10px; }
.notice.error { background: #492825; color: #ffd1cc; }
.archive-notice { margin-bottom: 1.2rem; border: 1px solid #756c49; background: #302c1b; color: var(--yellow); }
.admin-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem; }
.admin-actions form { margin: 0; }
.empty-state { padding: clamp(2rem, 7vw, 5rem); text-align: center; }
.empty-state h1 { font-size: clamp(2rem, 7vw, 3.6rem); }
.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; }

@media (max-width: 720px) {
  .site-header { align-items: center; }
  .brand small { display: none; }
  .site-header nav > a { display: none; }
  .page-shell { width: min(100% - 1rem, 1120px); padding-top: 0.8rem; }
  .hero { align-items: flex-start; flex-direction: column; gap: 1rem; padding: 1.25rem; border-radius: 20px; }
  .hero h1 { font-size: clamp(2.1rem, 12vw, 3.2rem); }
  .two-column, .form-grid { grid-template-columns: 1fr; }
  .roster-card { min-height: 270px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .availability-row { grid-template-columns: 50px minmax(0, 1fr); padding: 0.5rem; gap: 0.5rem; }
  .choice-group { gap: 0.25rem; }
  .choice { min-height: 44px; padding: 0.35rem 0.15rem; font-size: 0.72rem; }
  .event-row { grid-template-columns: 72px 1fr; }
  .event-row > a { grid-column: 2; }
  .manage-event > header { flex-direction: column; }
  .inline-form { align-items: stretch; flex-direction: column; }
  .inline-form .button { width: 100%; }
  .card-actions .button { flex: 1; }
  .section-tabs { top: 69px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}