* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #232733;
  --border: #2d3140;
  --text: #e4e6ed;
  --text2: #8b8fa3;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --green: #22c55e;
  --red: #ef4444;
  --orange: #f59e0b;
  --blue: #3b82f6;
  --radius: 8px;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ── Login ────────────────────────────────── */
.login-screen {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--bg);
}
.login-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 40px; width: 380px; text-align: center;
}
.login-card h1 { font-size: 28px; margin-bottom: 4px; color: var(--accent); }
.login-sub { color: var(--text2); margin-bottom: 24px; font-size: 14px; }
.login-card input {
  width: 100%; padding: 12px 14px; margin-bottom: 12px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
  width: 100%; padding: 12px; background: var(--accent); color: white;
  border: none; border-radius: var(--radius); font-size: 14px; font-weight: 600;
  cursor: pointer; margin-top: 4px;
}
.login-card button:hover { background: var(--accent-hover); }
.error { color: var(--red); font-size: 13px; margin-top: 8px; }

/* ── Layout ───────────────────────────────── */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px; background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: fixed; top: 0; left: 0;
  height: 100vh; z-index: 10;
}
.sidebar-brand { padding: 20px; border-bottom: 1px solid var(--border); }
.sidebar-brand h2 { font-size: 18px; color: var(--accent); }
.sidebar-nav { list-style: none; padding: 12px 8px; flex: 1; }
.sidebar-nav li {
  padding: 10px 14px; border-radius: var(--radius); cursor: pointer;
  font-size: 14px; color: var(--text2); display: flex; align-items: center; gap: 10px;
  margin-bottom: 2px; transition: all 0.15s;
}
.sidebar-nav li:hover { background: var(--surface2); color: var(--text); }
.sidebar-nav li.active { background: var(--accent); color: white; }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-footer {
  padding: 16px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--text2);
}

.content { flex: 1; margin-left: 220px; padding: 24px; min-height: 100vh; }

/* ── Page Header ──────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.page-header h2 { font-size: 22px; font-weight: 700; }

/* ── Cards & Stats ────────────────────────── */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; margin-bottom: 24px;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.stat-card .label { font-size: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.stat-card .value.green { color: var(--green); }
.stat-card .value.blue { color: var(--blue); }
.stat-card .value.orange { color: var(--orange); }
.stat-card .value.red { color: var(--red); }

/* ── Tables ───────────────────────────────── */
.table-wrap {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.table-wrap h3 { padding: 16px 20px; font-size: 15px; border-bottom: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 10px 16px; font-size: 12px; color: var(--text2); text-transform: uppercase;
  letter-spacing: 0.5px; border-bottom: 1px solid var(--border); background: var(--surface2); }
td { padding: 12px 16px; font-size: 14px; border-bottom: 1px solid var(--border); }
tr:hover td { background: var(--surface2); }
tr { cursor: pointer; }

/* ── Buttons ──────────────────────────────── */
.btn {
  padding: 8px 16px; border-radius: var(--radius); border: none;
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-success { background: var(--green); color: white; }
.btn-danger { background: var(--red); color: white; }
.btn-ghost { background: none; color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text2); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── Forms ─────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 12px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 14px; font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group select { appearance: none; }
.form-full { grid-column: 1 / -1; }

/* ── Status badges ────────────────────────── */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px;
}
.badge-enquiry { background: #3b82f620; color: var(--blue); }
.badge-booked { background: #22c55e20; color: var(--green); }
.badge-confirmed { background: #6366f120; color: var(--accent); }
.badge-completed { background: #8b8fa320; color: var(--text2); }
.badge-cancelled { background: #ef444420; color: var(--red); }
.badge-postponed { background: #f59e0b20; color: var(--orange); }

/* ── Modal ─────────────────────────────────── */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6); z-index: 100;
  display: flex; align-items: center; justify-content: center;
}
.modal {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; width: 600px; max-width: 90vw; max-height: 85vh;
  display: flex; flex-direction: column;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; }
.modal-close { background: none; border: none; color: var(--text2); font-size: 24px; cursor: pointer; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-body .btn { margin-top: 16px; }

/* ── Calendar ──────────────────────────────── */
.cal-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: var(--radius);
}
.cal-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px;
}
.cal-header h3 { font-size: 18px; }
.cal-header .btn { min-width: 36px; }
.cal-day-name { background: var(--surface2); padding: 8px; text-align: center; font-size: 12px; color: var(--text2); font-weight: 600; }
.cal-day {
  background: var(--surface); padding: 8px; min-height: 100px; font-size: 12px; vertical-align: top;
}
.cal-day.today { background: var(--surface2); }
.cal-day.other-month { opacity: 0.3; }
.cal-day .day-num { font-weight: 600; margin-bottom: 4px; color: var(--text2); }
.cal-day.today .day-num { color: var(--accent); }
.cal-event {
  padding: 2px 6px; margin-bottom: 2px; border-radius: 4px;
  font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  cursor: pointer;
}
.cal-event.booked { background: #22c55e30; color: var(--green); }
.cal-event.enquiry { background: #3b82f630; color: var(--blue); }
.cal-event.confirmed { background: #6366f130; color: var(--accent); }
.cal-event.completed { background: #8b8fa330; color: var(--text2); }
.cal-event.cancelled { background: #ef444430; color: var(--red); }

/* ── Search & Filters ─────────────────────── */
.search-bar {
  display: flex; gap: 12px; margin-bottom: 20px; align-items: center;
}
.search-bar input {
  flex: 1; padding: 10px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 14px;
}
.search-bar input:focus { outline: none; border-color: var(--accent); }
.search-bar select {
  padding: 10px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 14px; appearance: none;
}

/* ── Empty States ─────────────────────────── */
.empty-state {
  text-align: center; padding: 60px 20px; color: var(--text2);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ── Responsive ───────────────────────────── */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-brand h2, .sidebar-nav li span:not(.nav-icon), .sidebar-footer span { display: none; }
  .sidebar-nav li { justify-content: center; padding: 12px; }
  .content { margin-left: 60px; padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}