:root {
  --bg: #0b0a12;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f4f2fb;
  --muted: #9a96ad;
  --free: #3ee0b0;
  --free-bg: rgba(62, 224, 176, 0.12);
  --booked: #5a566b;
  --booked-bg: rgba(255, 255, 255, 0.03);
  --accent: #a26bff;
  --accent-2: #ff4fa3;
  --radius: 18px;
  --glow-a: #a26bff;
  --glow-b: #ff4fa3;
  --glow-b-opacity: 0.22;
  --font-body: "Outfit";
  --font-heading: "Outfit";
  --title-grad: linear-gradient(90deg, #fff, #d9c6ff 60%, #ffb3d6);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(162, 107, 255, 0.18);
  --free-border: rgba(62, 224, 176, 0.25);
  --free-shadow: rgba(62, 224, 176, 0.25);
  --booked-line: rgba(255, 255, 255, 0.15);
  --past: rgba(255, 255, 255, 0.15);
  --primary-grad: linear-gradient(90deg, #a26bff, #ff4fa3);
  --primary-text: #fff;
}

/* ---------- Theme: Clean (light, minimal) ---------- */
[data-theme="clean"] {
  --bg: #f6f5f2;
  --card: #ffffff;
  --card-border: #e6e3dc;
  --text: #17161c;
  --muted: #77737f;
  --free: #11875f;
  --free-bg: #e7f6ef;
  --free-border: #bfe7d4;
  --free-shadow: rgba(17, 135, 95, 0.18);
  --booked: #b3afb9;
  --booked-bg: #f1efeb;
  --booked-line: #c9c5cd;
  --past: #d6d3d9;
  --accent: #17161c;
  --accent-2: #17161c;
  --glow-a: transparent;
  --glow-b: transparent;
  --title-grad: linear-gradient(90deg, #17161c, #17161c);
  --surface: #f6f5f2;
  --surface-hover: #ecebe6;
  --primary-grad: linear-gradient(90deg, #17161c, #17161c);
  --primary-text: #fff;
}

/* ---------- Theme: Luxe (black and gold) ---------- */
[data-theme="luxe"] {
  --bg: #0c0b09;
  --card: rgba(255, 244, 220, 0.03);
  --card-border: rgba(214, 178, 106, 0.22);
  --text: #f3ead8;
  --muted: #9d927d;
  --free: #e2bf74;
  --free-bg: rgba(214, 178, 106, 0.1);
  --free-border: rgba(214, 178, 106, 0.4);
  --free-shadow: rgba(214, 178, 106, 0.25);
  --booked: #57503f;
  --booked-bg: rgba(255, 255, 255, 0.02);
  --booked-line: rgba(255, 255, 255, 0.12);
  --past: rgba(255, 244, 220, 0.13);
  --accent: #d6b26a;
  --accent-2: #d6b26a;
  --glow-a: #6b5222;
  --glow-b: #3b2c10;
  --glow-b-opacity: 0.5;
  --font-heading: "Playfair Display";
  --title-grad: linear-gradient(90deg, #f7e3b1, #d6b26a 50%, #f7e3b1);
  --surface: rgba(255, 244, 220, 0.04);
  --surface-hover: rgba(214, 178, 106, 0.14);
  --primary-grad: linear-gradient(90deg, #e9cd8c, #c49a4a);
  --primary-text: #1a1408;
  --radius: 6px;
}
[data-theme="luxe"] .day, [data-theme="luxe"] .nav-btn, [data-theme="luxe"] .btn { border-radius: 4px; }

/* ---------- Theme: Festival (warm sunset) ---------- */
[data-theme="festival"] {
  --bg: #fff3e8;
  --card: rgba(255, 255, 255, 0.75);
  --card-border: rgba(255, 140, 90, 0.2);
  --text: #2a1530;
  --muted: #8a6a78;
  --free: #ffffff;
  --free-bg: linear-gradient(135deg, #ff7a59, #ff3d8b);
  --free-border: transparent;
  --free-shadow: rgba(255, 61, 139, 0.35);
  --booked: #c7aeb6;
  --booked-bg: rgba(42, 21, 48, 0.05);
  --booked-line: #c7aeb6;
  --past: #e0ccc8;
  --accent: #ff3d8b;
  --accent-2: #ff7a59;
  --glow-a: #ffb36b;
  --glow-b: #ff5fa2;
  --glow-b-opacity: 0.35;
  --font-heading: "Bricolage Grotesque";
  --title-grad: linear-gradient(90deg, #ff7a59, #ff3d8b 55%, #8b3dff);
  --surface: rgba(42, 21, 48, 0.04);
  --surface-hover: rgba(255, 61, 139, 0.1);
  --primary-grad: linear-gradient(90deg, #ff7a59, #ff3d8b);
  --primary-text: #fff;
  --radius: 24px;
}
[data-theme="festival"] .day { border-radius: 50%; font-weight: 600; }
[data-theme="festival"] .day.booked { text-decoration: none; }


* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body), system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.glow { position: fixed; border-radius: 50%; filter: blur(110px); opacity: 0.35; pointer-events: none; z-index: 0; }
.glow-a { width: 480px; height: 480px; background: var(--glow-a); top: -160px; left: -140px; }
.glow-b { width: 420px; height: 420px; background: var(--glow-b); bottom: -180px; right: -140px; opacity: var(--glow-b-opacity); }

.page {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
  padding: 48px 16px 32px;
}

.hero { text-align: center; margin-bottom: 28px; }
.eyebrow {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.hero h1 {
  margin: 0;
  font-size: clamp(36px, 9vw, 52px);
  font-weight: 700;
  line-height: 1.05;
  font-family: var(--font-heading), system-ui, sans-serif;
  background: var(--title-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.subtitle { margin: 12px auto 0; color: var(--muted); font-size: 16px; max-width: 360px; line-height: 1.5; }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.month-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.month-bar h2 { margin: 0; font-size: 20px; font-weight: 600; }
.nav-btn {
  width: 40px; height: 40px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.nav-btn:hover:not(:disabled) { background: var(--surface-hover); border-color: var(--accent); }
.nav-btn:disabled { opacity: 0.25; cursor: default; }

.weekdays, .grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.weekdays { margin-bottom: 6px; }
.weekdays span { text-align: center; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; padding: 4px 0; }

.day {
  aspect-ratio: 1;
  border-radius: 12px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition: transform 0.12s, box-shadow 0.15s, background 0.15s;
}
.day.free { background: var(--free-bg); color: var(--free); border-color: var(--free-border); }
.day.free:hover { transform: translateY(-2px); box-shadow: 0 6px 18px var(--free-shadow); }
.day.booked { background: var(--booked-bg); color: var(--booked); text-decoration: line-through; text-decoration-color: var(--booked-line); }
.day.booked:hover { background: var(--surface-hover); }
.day.past { background: transparent; color: var(--past); cursor: default; }
.day.loading { background: var(--surface); color: var(--muted); cursor: default; animation: pulse 1.2s ease-in-out infinite; }
.day.today::after {
  content: ""; position: absolute; bottom: 6px; left: 50%; width: 4px; height: 4px;
  margin-left: -2px; border-radius: 50%; background: currentColor;
}
.day.selected { outline: 2px solid var(--accent); outline-offset: 2px; }
.day:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

@keyframes pulse { 50% { opacity: 0.5; } }

.legend { display: flex; gap: 18px; justify-content: center; margin-top: 18px; font-size: 14px; color: var(--muted); }
.legend > span { display: inline-flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 4px; display: inline-block; }
.dot-free { background: var(--free); }
.dot-booked { background: var(--booked); }
.status { text-align: center; margin: 10px 0 0; font-size: 14px; color: var(--text); opacity: 0.8; min-height: 20px; }

.details { margin-top: 16px; animation: rise 0.25s ease-out; border-color: var(--free-border); }
.details.is-booked { border-color: var(--card-border); }
.details-date { margin: 0 0 6px; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.details-text { margin: 0; font-size: 16px; line-height: 1.5; color: var(--muted); }
.details-text strong { color: var(--free); font-size: 20px; font-weight: 600; }
.details.is-booked .details-text strong { color: var(--text); }

.contact { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.btn {
  flex: 1 1 auto;
  text-align: center;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.15s, transform 0.12s;
}
.btn:hover { background: var(--surface-hover); transform: translateY(-1px); }
.btn-primary { background: var(--primary-grad); border-color: transparent; color: var(--primary-text); }
.btn-primary:hover { background: var(--primary-grad); filter: brightness(1.1); }

@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.footer { text-align: center; margin-top: 28px; font-size: 13px; color: var(--muted); opacity: 0.7; }

@media (max-width: 420px) {
  .card { padding: 14px; }
  .weekdays, .grid { gap: 4px; }
  .day { border-radius: 10px; font-size: 14px; }
}
[data-theme="festival"] .dot-free { background: #ff3d8b; }
[data-theme="festival"] .details-text strong { color: #ff3d8b; }

/* ---------- Booking form ---------- */
[hidden] { display: none !important; }
.btn-book { display: block; width: 100%; margin-top: 16px; padding: 14px 16px; font: inherit; font-size: 16px; font-weight: 600; cursor: pointer; }
.book-form { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; animation: rise 0.25s ease-out; }
.book-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); flex: 1; min-width: 0; }
.book-form .row { display: flex; gap: 10px; }
.book-form input, .book-form select, .book-form textarea {
  font: inherit; font-size: 16px; color: var(--text);
  background: var(--surface); border: 1px solid var(--card-border); border-radius: 10px;
  padding: 11px 12px; width: 100%; outline: none; transition: border-color 0.15s;
  color-scheme: dark;
}
[data-theme="clean"] .book-form input, [data-theme="clean"] .book-form select, [data-theme="clean"] .book-form textarea,
[data-theme="festival"] .book-form input, [data-theme="festival"] .book-form select, [data-theme="festival"] .book-form textarea { color-scheme: light; }
.book-form select option { background: var(--bg); color: var(--text); }
.book-form textarea { resize: vertical; }
.book-form input:focus, .book-form select:focus, .book-form textarea:focus { border-color: var(--accent); }
.send { display: flex; flex-wrap: wrap; gap: 8px; }
.send .btn { font: inherit; font-weight: 600; cursor: pointer; }
.form-error { margin: 0; color: #ff6b8a; font-size: 14px; }
.form-hint { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.45; }
.contact-label { margin: 20px 0 0; font-size: 13px; color: var(--muted); }
.contact-label + .contact { margin-top: 8px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.send .btn-primary { flex: 1 1 100%; padding: 14px 16px; font-size: 16px; }
.send .btn:disabled { opacity: 0.6; cursor: default; transform: none; }
.thanks { margin-top: 16px; padding: 16px; border-radius: 12px; background: var(--free-bg); border: 1px solid var(--free-border); animation: rise 0.25s ease-out; }
.thanks-title { margin: 0 0 6px; font-size: 18px; font-weight: 600; color: var(--free); }
.thanks-text { margin: 0; color: var(--text); line-height: 1.5; }

/* ---------- Home page ---------- */
.dj-list { display: flex; flex-direction: column; gap: 12px; }
.dj-card { display: flex; flex-direction: column; gap: 4px; text-decoration: none; color: var(--text); transition: transform 0.15s, border-color 0.15s; }
.dj-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.dj-card-name { font-size: 22px; font-weight: 600; }
.dj-card-tag { color: var(--muted); font-size: 15px; }
.dj-card-go { margin-top: 8px; color: var(--accent); font-weight: 500; font-size: 14px; }
.tagline { margin: 10px 0 0; color: var(--text); opacity: 0.85; font-size: 17px; }