:root {
  --bg: #070b12;
  --panel: #101722;
  --panel-2: #151f2d;
  --text: #f8fafc;
  --muted: rgba(248, 250, 252, .68);
  --border: rgba(255, 255, 255, .12);
  --accent: #c8c8f9;
  --primary: #6c63ff;
  --danger: #ff6b6b;
  --ok: #5eead4;
  --shadow: 0 24px 80px rgba(0,0,0,.38);
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(108, 99, 255, .24), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(94, 234, 212, .12), transparent 26rem),
    var(--bg);
  color: var(--text);
}
a { color: var(--accent); }
.shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 60px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 800; letter-spacing: -.02em; }
.admin-link { color: var(--muted); text-decoration: none; font-size: 14px; }
.hero-card, .panel {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(16,23,34,.96), rgba(12,18,28,.88));
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-card { padding: clamp(28px, 5vw, 56px); margin-bottom: 22px; }
.hero-card.compact { padding: 32px; }
.eyebrow { margin: 0 0 10px; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(36px, 7vw, 68px); line-height: .98; letter-spacing: -.055em; margin-bottom: 18px; }
h2 { font-size: 24px; letter-spacing: -.03em; margin-bottom: 16px; }
h3 { font-size: 16px; margin-bottom: 10px; }
.lead { max-width: 760px; color: var(--muted); font-size: 18px; }
.booking-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(320px, .8fr); gap: 22px; align-items: start; }
.panel { padding: 24px; }
.narrow { max-width: 520px; }
.day-group { border-top: 1px solid var(--border); padding-top: 18px; margin-top: 18px; }
.day-group:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.slot-list { display: flex; flex-wrap: wrap; gap: 10px; }
.slot-option input { position: absolute; opacity: 0; pointer-events: none; }
.slot-option span {
  display: inline-flex;
  min-width: 104px;
  justify-content: center;
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.045);
  color: var(--text);
  cursor: pointer;
  transition: .15s ease;
}
.slot-option input:checked + span { border-color: var(--accent); background: rgba(200,200,249,.18); box-shadow: 0 0 0 3px rgba(200,200,249,.12); }
.details-panel label, .stack-form label, .availability-form label { display: grid; gap: 8px; color: var(--muted); margin-bottom: 14px; font-size: 14px; }
input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(0,0,0,.22);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}
textarea { resize: vertical; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  background: linear-gradient(135deg, var(--primary), #8b86ff);
  color: white;
  font-weight: 800;
  cursor: pointer;
}
.fine-print, .muted { color: var(--muted); font-size: 14px; }
.notice { border-radius: 16px; padding: 16px 18px; margin: 18px 0; border: 1px solid var(--border); }
.notice span { display: block; margin-top: 4px; color: var(--muted); }
.notice.success { border-color: rgba(94,234,212,.36); background: rgba(94,234,212,.10); }
.notice.error { border-color: rgba(255,107,107,.45); background: rgba(255,107,107,.10); }
.empty { text-align: center; }
.panel-heading { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.availability-form { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 14px; align-items: end; }
.availability-form .btn { width: auto; white-space: nowrap; }
.admin-slots { display: grid; gap: 12px; }
.admin-slot { display: flex; justify-content: space-between; gap: 18px; padding: 16px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.035); }
.badge { display: inline-flex; margin-left: 8px; padding: 3px 8px; border-radius: 999px; font-size: 12px; color: var(--bg); background: var(--accent); }
.status-booked .badge { background: var(--ok); }
.status-blocked .badge { background: #fbbf24; }
.email-error { color: var(--danger); font-size: 13px; }
.inline-actions { display: flex; gap: 8px; align-items: start; flex-wrap: wrap; }
.inline-actions button { border: 1px solid var(--border); color: var(--text); background: rgba(255,255,255,.06); border-radius: 999px; padding: 8px 12px; cursor: pointer; }
@media (max-width: 820px) {
  .booking-grid, .availability-form { grid-template-columns: 1fr; }
  .admin-slot { flex-direction: column; }
}