/* ── Lounge Manager — Design System ── */
:root {
  --bg: #0a0e17;
  --panel: #111827;
  --border: #1e2d40;
  --accent: #f59e0b;
  --accent2: #3b82f6;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --muted: #64748b;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --sidebar: 220px;
  --radius: 12px;
}

[data-theme="light"] {
  --bg: #f8fafc;
  --panel: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text2: #475569;
  --muted: #94a3b8;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'DM Sans', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { color: inherit; text-decoration: none; }

/* ── Navbar ── */
.navbar { background: var(--panel); border-bottom: 1px solid var(--border); padding: 0 24px; height: 60px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 100; }
.nav-brand { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 17px; }
.nav-brand span { color: var(--accent); }

/* ── Layout ── */
.layout { display: flex; flex: 1; }
.sidebar { width: var(--sidebar); background: var(--panel); border-right: 1px solid var(--border); padding: 20px 0; min-height: calc(100vh - 60px); flex-shrink: 0; }
.sidebar-label { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); padding: 0 20px 8px; }
.sidebar-link { display: flex; align-items: center; gap: 10px; padding: 10px 20px; font-size: 14px; color: var(--text2); transition: all .15s; border-left: 3px solid transparent; }
.sidebar-link:hover { background: rgba(255,255,255,.04); color: var(--text); }
.sidebar-link.active { background: rgba(245,158,11,.08); color: var(--accent); border-left-color: var(--accent); }
.main { flex: 1; padding: 28px; overflow-x: hidden; }

/* ── Cards ── */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; }
.card-title { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--c, var(--accent)); }
.stat-card .val { font-family: 'Syne', sans-serif; font-size: 30px; font-weight: 800; }
.stat-card .lbl { font-size: 11px; color: var(--muted); margin-top: 5px; text-transform: uppercase; letter-spacing: .06em; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px; border-radius: 10px; font-family: 'Syne', sans-serif; font-size: 14px; font-weight: 600; cursor: pointer; border: none; transition: all .15s; }
.btn-primary { background: linear-gradient(135deg, #f59e0b, #d97706); color: #000; }
.btn-success { background: linear-gradient(135deg, #10b981, #059669); color: #fff; }
.btn-danger  { background: linear-gradient(135deg, #ef4444, #dc2626); color: #fff; }
.btn-info    { background: linear-gradient(135deg, #3b82f6, #2563eb); color: #fff; }
.btn-ghost   { background: rgba(255,255,255,.06); color: var(--text2); border: 1px solid var(--border); }
.btn:hover   { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.3); }
.btn:active  { transform: none; }
.btn-sm      { padding: 6px 14px; font-size: 12px; }
.btn-lg      { padding: 14px 28px; font-size: 16px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ── Forms ── */
.form-group  { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-label  { font-size: 12px; font-weight: 500; color: var(--text2); text-transform: uppercase; letter-spacing: .08em; }
.form-grid   { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.full        { grid-column: 1 / -1; }
input, select, textarea {
  background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: 10px;
  padding: 11px 14px; color: var(--text); font-family: 'DM Sans', sans-serif; font-size: 14px;
  outline: none; transition: border-color .2s; width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent2); }
select option { background: #1a2436; }
textarea { resize: vertical; min-height: 80px; }

/* ── Badges ── */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.badge-pending  { background: rgba(245,158,11,.15); color: #fcd34d; border: 1px solid rgba(245,158,11,.25); }
.badge-active   { background: rgba(16,185,129,.15); color: #6ee7b7; border: 1px solid rgba(16,185,129,.25); }
.badge-checkout { background: rgba(239,68,68,.15); color: #fca5a5; border: 1px solid rgba(239,68,68,.25); }
.badge-overtime { background: rgba(239,68,68,.15); color: #fca5a5; border: 1px solid rgba(239,68,68,.3); }

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th { text-align: left; padding: 11px 14px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table td { padding: 11px 14px; border-bottom: 1px solid rgba(255,255,255,.03); vertical-align: middle; }
.data-table tr:hover td { background: rgba(255,255,255,.02); }

/* ── Modal ── */
.modal-overlay { display: none; position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,.7); backdrop-filter: blur(4px); align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 28px; width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto; animation: fadeUp .25s ease both; }
.modal-title { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 700; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-close { cursor: pointer; color: var(--muted); font-size: 20px; }
.modal-close:hover { color: var(--text); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ── Signature pad ── */
#sig-pad { width: 100%; border: 1px solid var(--border); border-radius: 10px; background: #fff; touch-action: none; cursor: crosshair; }

/* ── Alert ── */
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.25); color: #6ee7b7; }
.alert-danger  { background: rgba(239,68,68,.1);  border: 1px solid rgba(239,68,68,.25);  color: #fca5a5; }

/* ── POS Item grid ── */
.pos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
.pos-item { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 12px; text-align: center; cursor: pointer; transition: all .15s; user-select: none; }
.pos-item:hover { border-color: var(--accent); transform: translateY(-2px); }
.pos-item:active { transform: none; }
.pos-item .pi-name { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.pos-item .pi-price { font-size: 12px; color: var(--accent); font-weight: 600; }

/* ── Visit card (dashboard) ── */
.visit-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }
.visit-avatar { width: 40px; height: 40px; border-radius: 50%; background: rgba(59,130,246,.2); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: #93c5fd; flex-shrink: 0; }
.visit-timer-ok   { color: var(--success); }
.visit-timer-warn { color: var(--warning); }
.visit-timer-over { color: var(--danger); }

/* ── Misc ── */
.flex { display: flex; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.text-muted { color: var(--muted); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-accent  { color: var(--accent); }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mb-16 { margin-bottom: 16px; }
hr.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.2); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Role badge ── */
.role-badge { font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 20px; text-transform: uppercase; letter-spacing: .08em; }
.role-admin { background: rgba(239,68,68,.15); color: #fca5a5; border: 1px solid rgba(239,68,68,.2); }
.role-staff { background: rgba(59,130,246,.15); color: #93c5fd; border: 1px solid rgba(59,130,246,.2); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .main { padding: 16px; }
  .pos-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}