/* FaceOff Master Admin — Style */

:root {
  --bg-primary: #1a1a2e;
  --bg-sidebar: #16213e;
  --bg-card: #0f3460;
  --accent: #e94560;
  --text-primary: #eee;
  --text-muted: #8892b0;
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #d63031;
  --border: rgba(255,255,255,.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
}

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

/* Sidebar */
.sidebar {
  width: 200px; min-width:200px; background:var(--bg-sidebar);
  display:flex; flex-direction:column; border-right:1px solid var(--border);
}
.sidebar-brand { padding:20px 16px; font-size:16px; font-weight:700; border-bottom:1px solid var(--border); }
.sidebar-nav { flex:1; padding:8px 0; }
.nav-item {
  display:flex; align-items:center; gap:10px; padding:12px 20px;
  color:var(--text-muted); cursor:pointer; transition:all .15s;
  border-left:3px solid transparent; font-size:14px;
}
.nav-item:hover { color:var(--text-primary); background:rgba(255,255,255,.03); }
.nav-item.active { color:var(--accent); border-left-color:var(--accent); background:rgba(233,69,96,.08); }
.nav-item .icon { width:18px; text-align:center; font-size:16px; }

/* Top bar */
.topbar {
  display:flex; align-items:center; justify-content:space-between;
  padding:0 24px; height:56px; background:var(--bg-sidebar);
  border-bottom:1px solid var(--border);
}
.topbar-title { font-size:16px; font-weight:600; }
.topbar-right { display:flex; align-items:center; gap:12px; }
.btn-logout { padding:6px 16px; background:transparent; border:1px solid var(--border); color:var(--text-muted); border-radius:4px; cursor:pointer; font-size:13px; }
.btn-logout:hover { color:var(--danger); border-color:var(--danger); }

/* Main content */
.main-content { flex:1; display:flex; flex-direction:column; overflow:hidden; }
.page-content { flex:1; overflow-y:auto; padding:24px; }

/* Cards */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(180px, 1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:var(--bg-card); border-radius:8px; padding:20px; }
.stat-card .label { font-size:12px; color:var(--text-muted); margin-bottom:6px; text-transform:uppercase; letter-spacing:.5px; }
.stat-card .value { font-size:28px; font-weight:700; }
.stat-card .value.success { color:var(--success); }
.stat-card .value.warning { color:var(--warning); }
.stat-card .value.danger { color:var(--danger); }

.card { background:var(--bg-card); border-radius:8px; }

/* Chart */
.chart-container { background:var(--bg-card); border-radius:8px; padding:20px; margin-bottom:24px; }
.chart-container h3 { font-size:14px; color:var(--text-muted); margin-bottom:16px; }
#dauChart { width:100%; height:200px; }

/* Tables */
.table-wrapper { overflow-x:auto; }
table { width:100%; border-collapse:collapse; }
th { text-align:left; padding:10px 14px; font-size:12px; color:var(--text-muted); text-transform:uppercase; letter-spacing:.5px; border-bottom:1px solid var(--border); }
td { padding:10px 14px; font-size:13px; border-bottom:1px solid var(--border); }
tr:hover td { background:rgba(255,255,255,.02); }

/* Badges */
.badge { display:inline-block; padding:2px 10px; border-radius:10px; font-size:11px; font-weight:600; }
.badge-success { background:rgba(0,184,148,.15); color:var(--success); }
.badge-warning { background:rgba(253,203,110,.15); color:var(--warning); }
.badge-danger { background:rgba(214,48,49,.15); color:var(--danger); }
.badge-muted { background:rgba(136,146,176,.15); color:var(--text-muted); }

/* Buttons */
.btn { padding:8px 18px; border:none; border-radius:5px; cursor:pointer; font-size:13px; font-weight:600; transition:opacity .2s; }
.btn:hover { opacity:.85; }
.btn-primary { background:var(--accent); color:#fff; }
.btn-sm { padding:4px 12px; font-size:12px; }
.btn-outline { background:transparent; border:1px solid var(--border); color:var(--text-muted); }
.btn-outline:hover { border-color:var(--accent); color:var(--accent); }
.btn-success { background:var(--success); color:#fff; }
.btn-danger { background:var(--danger); color:#fff; }

/* Forms */
.form-row { display:flex; gap:12px; align-items:flex-end; flex-wrap:wrap; margin-bottom:20px; }
.form-field { display:flex; flex-direction:column; gap:4px; }
.form-field label { font-size:12px; color:var(--text-muted); }
.form-field select, .form-field input {
  padding:8px 12px; background:var(--bg-primary); border:1px solid var(--border);
  border-radius:5px; color:var(--text-primary); font-size:13px; outline:none;
}
.form-field select:focus, .form-field input:focus { border-color:var(--accent); }

/* Toolbar */
.toolbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.toolbar-left { display:flex; gap:10px; align-items:center; }

/* Modal */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.6); z-index:99; align-items:center; justify-content:center; }
.modal-overlay.show { display:flex; }
.modal { background:var(--bg-card); border-radius:10px; padding:28px; width:500px; max-width:90vw; max-height:80vh; overflow-y:auto; }
.modal h3 { margin-bottom:16px; }
.code-list { background:var(--bg-primary); border-radius:6px; padding:16px; max-height:300px; overflow-y:auto; }
.code-item { display:flex; justify-content:space-between; align-items:center; padding:6px 0; border-bottom:1px solid var(--border); font-family:monospace; font-size:13px; }
.code-item:last-child { border-bottom:none; }
.modal-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:16px; }

/* Pagination */
.pagination { display:flex; justify-content:center; gap:6px; margin-top:16px; }
.pagination button { padding:6px 12px; background:var(--bg-card); border:1px solid var(--border); color:var(--text-muted); border-radius:4px; cursor:pointer; font-size:13px; }
.pagination button:hover { border-color:var(--accent); color:var(--accent); }
.pagination button.active { background:var(--accent); border-color:var(--accent); color:#fff; }
.pagination button:disabled { opacity:.4; cursor:default; }

/* Section header */
.section-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.section-header h3 { font-size:15px; }

/* Copy toast */
.toast { position:fixed; top:20px; right:20px; background:var(--success); color:#fff; padding:10px 20px; border-radius:6px; font-size:13px; z-index:999; animation:fadeIn .2s; }
@keyframes fadeIn { from{opacity:0;transform:translateY(-8px);} to{opacity:1;transform:translateY(0);} }

/* Loading */
.loading { text-align:center; padding:40px; color:var(--text-muted); }

/* Responsive */
@media (max-width:768px) {
  .sidebar { width:60px; min-width:60px; }
  .sidebar-brand { font-size:0; padding:16px 8px; }
  .sidebar-brand::first-letter { font-size:16px; }
  .nav-item { padding:12px 8px; justify-content:center; font-size:0; }
  .nav-item .icon { font-size:18px; }
  .stats-grid { grid-template-columns:repeat(2, 1fr); }
  .form-row { flex-direction:column; }
}