/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0c0c0c;
  --bg-card: #191919;
  --bg-card-2: #212121;
  --text: #f0ece4;
  --text-2: #948f88;
  --text-3: #5a5650;
  --accent: #c9a96e;
  --accent-dim: rgba(201, 169, 110, 0.15);
  --danger: #c96e6e;
  --success: #6ec99a;
  --border: rgba(240, 236, 228, 0.08);
  --border-accent: rgba(201, 169, 110, 0.3);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --nav-h: 68px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

body { margin: 0; }

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }
fieldset { border: none; }

/* ── Layout ────────────────────────────────────────────────────────────────── */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.main-content { flex: 1; padding-top: var(--nav-h); }
.admin-content { background: var(--bg); }
.admin-container { max-width: 1100px; margin: 0 auto; padding: 2.5rem 2rem; }
.section-inner { max-width: 1100px; margin: 0 auto; padding: 4rem 2rem; }

/* ── Navbar ─────────────────────────────────────────────────────────────────── */
.navbar { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); background: rgba(12,12,12,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); z-index: 100; }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 2rem; height: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav-brand { font-size: 1.4rem; font-weight: 600; letter-spacing: -0.02em; }
.nav-brand-focus { color: var(--text); }
.nav-brand-slots { color: var(--accent); }
.nav-admin-badge { font-family: var(--font-body); font-size: 0.65rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); background: var(--accent-dim); border: 1px solid var(--border-accent); padding: 2px 8px; border-radius: 20px; margin-left: 10px; vertical-align: middle; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-link { font-size: 0.9rem; color: var(--text-2); transition: color var(--transition); }
.nav-link:hover { color: var(--text); }
.nav-link--admin { color: var(--accent); }

/* ── Hero ────────────────────────────────────────────────────────────────────── */
.hero { min-height: 60vh; display: flex; align-items: center; background: radial-gradient(ellipse at 30% 50%, rgba(201,169,110,0.06) 0%, transparent 60%); padding: 0 2rem; }
.hero-content { max-width: 700px; margin: 0 auto; text-align: center; padding: 6rem 0 4rem; }
.hero-title { font-family: var(--font-display); font-size: clamp(3rem, 8vw, 5.5rem); font-weight: 600; line-height: 1.1; letter-spacing: -0.03em; color: var(--text); margin: 1rem 0; }
.hero-title em { color: var(--accent); font-style: italic; }
.hero-sub { font-size: 1.1rem; color: var(--text-2); max-width: 500px; margin: 0 auto; }
.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 600; }

/* ── Labels & Dividers ─────────────────────────────────────────────────────── */
.label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem; }
.divider { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.65rem 1.4rem; border-radius: var(--radius-sm); font-size: 0.875rem; font-weight: 500; transition: all var(--transition); border: 1px solid transparent; white-space: nowrap; }
.btn--primary { background: var(--accent); color: #0c0c0c; border-color: var(--accent); }
.btn--primary:hover { background: #d4b87a; }
.btn--outline { background: transparent; color: var(--accent); border-color: var(--border-accent); }
.btn--outline:hover { background: var(--accent-dim); }
.btn--ghost { background: transparent; color: var(--text-2); border-color: var(--border); }
.btn--ghost:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.btn--danger { background: transparent; color: var(--danger); border-color: rgba(201,110,110,0.3); }
.btn--danger:hover { background: rgba(201,110,110,0.1); }
.btn--lg { padding: 0.85rem 1.8rem; font-size: 1rem; }
.btn--sm { padding: 0.4rem 0.9rem; font-size: 0.8rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.session-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.session-card { display: grid; grid-template-columns: auto 1fr auto; align-items: start; gap: 1.25rem; padding: 1.5rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); transition: all var(--transition); }
.session-card:hover { border-color: var(--border-accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.session-card-date { display: flex; flex-direction: column; align-items: center; background: var(--accent-dim); border: 1px solid var(--border-accent); border-radius: var(--radius-sm); padding: 0.75rem; min-width: 56px; }
.session-day { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--accent); line-height: 1; }
.session-month { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-2); }
.session-year { font-size: 0.65rem; color: var(--text-3); }
.session-card-title { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 0.3rem; }
.session-card-location { font-size: 0.85rem; color: var(--text-2); margin-bottom: 0.3rem; }
.session-card-desc { font-size: 0.85rem; color: var(--text-2); }
.session-card-slots { font-size: 0.8rem; color: var(--text-3); margin-top: 0.5rem; }
.session-card-cta { font-size: 0.85rem; color: var(--accent); white-space: nowrap; align-self: center; }

/* ── Slots Grid ─────────────────────────────────────────────────────────────── */
.slots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.75rem; margin-top: 1.5rem; }
.slot-btn { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; padding: 1rem; border-radius: var(--radius-sm); border: 1px solid; font-size: 0.875rem; transition: all var(--transition); }
.slot-btn--free { background: var(--accent-dim); border-color: var(--border-accent); color: var(--text); }
.slot-btn--free:hover { background: rgba(201,169,110,0.25); transform: translateY(-1px); }
.slot-time { font-size: 1.1rem; font-weight: 600; color: var(--accent); }
.slot-status { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; }
.slot-btn--booked { background: transparent; border-color: var(--border); color: var(--text-3); cursor: not-allowed; }
.slot-btn--booked .slot-time { color: var(--text-3); }

/* ── Session Detail Page ────────────────────────────────────────────────────── */
.session-detail-page { max-width: 900px; margin: 0 auto; padding: 3rem 2rem; }
.page-header { margin-bottom: 3rem; }
.page-title { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 600; margin: 0.5rem 0; }
.page-header-actions { display: flex; align-items: center; gap: 1rem; margin-top: 1rem; flex-wrap: wrap; }
.session-meta { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 0.75rem; font-size: 0.9rem; color: var(--text-2); }
.session-description { margin-top: 0.75rem; color: var(--text-2); max-width: 600px; }
.slots-section { margin-top: 3rem; }
.back-link { font-size: 0.875rem; color: var(--text-2); transition: color var(--transition); display: inline-flex; align-items: center; gap: 0.3rem; }
.back-link:hover { color: var(--accent); }

/* ── Booking Form ────────────────────────────────────────────────────────────── */
.booking-page { max-width: 700px; margin: 0 auto; padding: 3rem 2rem; }
.booking-summary-card { background: var(--accent-dim); border: 1px solid var(--border-accent); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 2rem; }
.booking-summary-card h3 { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem; }
.booking-summary-info { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.9rem; color: var(--text-2); }
.booking-form-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }

/* ── Forms ───────────────────────────────────────────────────────────────────── */
.form-section { margin-bottom: 2rem; }
.form-section-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; color: var(--text); margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-label { font-size: 0.8rem; font-weight: 500; color: var(--text-2); letter-spacing: 0.02em; }
.form-input { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.65rem 0.9rem; color: var(--text); font-size: 0.9rem; transition: border-color var(--transition); width: 100%; }
.form-input:focus { outline: none; border-color: var(--accent); }
.form-input::placeholder { color: var(--text-3); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-actions { display: flex; align-items: center; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.form-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.validation-message { font-size: 0.78rem; color: var(--danger); margin-top: 0.25rem; }

/* ── Confirmation ────────────────────────────────────────────────────────────── */
.confirmation-page { max-width: 600px; margin: 0 auto; padding: 4rem 2rem; text-align: center; }
.confirmation-icon { width: 72px; height: 72px; border-radius: 50%; background: var(--accent-dim); border: 2px solid var(--border-accent); color: var(--accent); font-size: 2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem; }
.confirmation-sub { color: var(--text-2); margin-bottom: 2rem; }
.confirmation-code-box { background: var(--bg-card); border: 1px solid var(--border-accent); border-radius: var(--radius); padding: 1.5rem; margin: 2rem 0; display: flex; flex-direction: column; gap: 0.5rem; align-items: center; }
.confirmation-code-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }
.confirmation-code { font-family: monospace; font-size: 2rem; font-weight: 700; color: var(--accent); letter-spacing: 0.15em; }
.confirmation-details-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin: 1.5rem 0; text-align: left; }
.confirmation-details-card h3 { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }

/* ── Detail List ─────────────────────────────────────────────────────────────── */
.detail-list { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1.5rem; font-size: 0.9rem; }
.detail-list dt { color: var(--text-2); font-weight: 500; white-space: nowrap; }
.detail-list dd { color: var(--text); }

/* ── Admin ───────────────────────────────────────────────────────────────────── */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem; }
.login-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem; width: 100%; max-width: 400px; }
.login-logo { font-size: 1.6rem; font-weight: 600; text-align: center; margin-bottom: 0.5rem; }
.login-title { font-family: var(--font-display); font-size: 1.4rem; text-align: center; margin-bottom: 2rem; color: var(--text-2); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; gap: 0.25rem; }
.stat-card--sm { padding: 1rem; }
.stat-value { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--accent); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--text-2); }

.dashboard-actions { display: flex; gap: 1rem; margin-bottom: 2.5rem; flex-wrap: wrap; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.admin-table th { text-align: left; padding: 0.75rem 1rem; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); border-bottom: 1px solid var(--border); white-space: nowrap; }
.admin-table td { padding: 0.9rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }
.table-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.row--cancelled td { opacity: 0.5; }

.status-badge { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; border: 1px solid; }
.status-badge--published { color: var(--success); border-color: rgba(110,201,154,0.3); background: rgba(110,201,154,0.1); }
.status-badge--draft { color: var(--text-3); border-color: var(--border); }
.status-badge--confirmed { color: var(--success); border-color: rgba(110,201,154,0.3); background: rgba(110,201,154,0.1); }
.status-badge--cancelled { color: var(--danger); border-color: rgba(201,110,110,0.3); background: rgba(201,110,110,0.1); }

.admin-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2.5rem; }
.detail-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.slots-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }

.bookings-section { margin-top: 2.5rem; }
.sessions-section { background: var(--bg); }
.recent-sessions { margin-top: 2rem; }

/* ── States ──────────────────────────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 3rem; color: var(--text-2); display: flex; flex-direction: column; gap: 1rem; align-items: center; }
.error-state { text-align: center; padding: 3rem; color: var(--danger); }
.page-loading { text-align: center; padding: 3rem; color: var(--text-2); }
.loading-state { text-align: center; padding: 2rem; color: var(--text-2); }
.error-banner { background: rgba(201,110,110,0.1); border: 1px solid rgba(201,110,110,0.3); border-radius: var(--radius-sm); padding: 0.75rem 1rem; font-size: 0.875rem; color: var(--danger); margin-bottom: 1rem; }
.info-banner { background: var(--accent-dim); border: 1px solid var(--border-accent); border-radius: var(--radius-sm); padding: 0.75rem 1rem; font-size: 0.875rem; color: var(--accent); margin-top: 0.5rem; }
.not-found { text-align: center; padding: 6rem 2rem; }
.not-found h1 { font-family: var(--font-display); font-size: 6rem; color: var(--text-3); }

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .admin-detail-grid { grid-template-columns: 1fr; }
  .slots-stats { grid-template-columns: repeat(3, 1fr); }
  .session-card { grid-template-columns: auto 1fr; }
  .session-card-cta { display: none; }
}

code { font-family: monospace; font-size: 0.85em; background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 4px; }

/* ── Event/Access Code ───────────────────────────────────────────────────────── */
.code-entry-box { margin-top: 2.5rem; }
.code-entry-form { display: flex; gap: 1rem; align-items: center; justify-content: center; flex-wrap: wrap; }
.code-input { background: var(--bg-card); border: 1px solid var(--border-accent); border-radius: var(--radius-sm); padding: 0.85rem 1.2rem; color: var(--text); font-size: 1.2rem; font-family: monospace; letter-spacing: 0.15em; text-transform: uppercase; width: 260px; text-align: center; transition: border-color var(--transition); }
.code-input:focus { outline: none; border-color: var(--accent); }
.access-code-card { background: var(--accent-dim); border: 1px solid var(--border-accent); border-radius: var(--radius-sm); padding: 0.75rem 1.25rem; display: flex; flex-direction: column; gap: 0.2rem; }
.access-code-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }
.access-code-value { font-family: monospace; font-size: 1.6rem; font-weight: 700; color: var(--accent); letter-spacing: 0.15em; }
.access-code-url { font-size: 0.78rem; color: var(--text-2); }
.access-code-url em { color: var(--accent); font-style: normal; }
.access-code-display { font-family: monospace; font-size: 1rem; background: var(--accent-dim); border: 1px solid var(--border-accent); padding: 3px 10px; border-radius: 6px; color: var(--accent); letter-spacing: 0.1em; }
.section-header-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.sessions-admin-section { margin-top: 2rem; }
.form-input--lg { font-size: 1.05rem; padding: 0.85rem 1rem; }
.form-row--compact { max-width: 500px; }
.form-hint { font-size: 0.75rem; color: var(--text-3); margin-top: 0.2rem; }
.session-card--full { opacity: 0.6; cursor: default; pointer-events: none; }

/* ── Slot management grid ────────────────────────────────────────── */
.slots-manage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: .6rem;
    margin-top: .8rem;
}
.slot-manage-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .6rem .8rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .4rem;
}
.slot-manage-card--booked {
    border-color: var(--accent);
    background: #1e1a13;
}
.slot-manage-time { display: flex; align-items: center; gap: .3rem; font-size: .85rem; font-weight: 600; }
.slot-manage-sep  { color: var(--text-2); font-size: .75rem; }
.slot-time-end    { color: var(--text-2); font-size: .8rem; }
.slot-manage-badge {
    font-size: .7rem;
    background: var(--accent);
    color: #000;
    padding: .1rem .45rem;
    border-radius: 100px;
    white-space: nowrap;
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.slot-manage-delete {
    background: none;
    border: none;
    color: var(--text-2);
    cursor: pointer;
    font-size: .9rem;
    padding: .15rem .3rem;
    border-radius: 4px;
    transition: color .2s, background .2s;
}
.slot-manage-delete:hover { color: #e05; background: rgba(255,0,60,.08); }

.slot-add-form { margin-top: .8rem; margin-bottom: 1.2rem; }
.form-row--compact { align-items: flex-end; }
.section-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .6rem;
}

/* ── Info/Error banners ──────────────────────────────────────────── */
.info-banner {
    background: #0d2b1c;
    border: 1px solid #1f7a4b;
    color: #5bdb94;
    padding: .6rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: .875rem;
}

.label-hint { font-size: .7rem; color: var(--text-2); font-weight: 400; margin-left: .3rem; }