:root {
  --bg: #f0f2f5;
  --sidebar: #1a1f2e;
  --sidebar-hover: #2d3450;
  --accent: #4f8ef7;
  --accent2: #22c55e;
  --danger: #ef4444;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar { width: 240px; background: var(--sidebar); min-height: 100vh; position: fixed; top: 0; left: 0; z-index: 100; display: flex; flex-direction: column; }
.sidebar .logo { padding: 24px 20px 16px; border-bottom: 1px solid #2d3450; }
.sidebar .logo h2 { color: #fff; font-size: 18px; font-weight: 700; }
.sidebar .logo span { color: var(--accent); }
.sidebar nav { flex: 1; padding: 16px 0; }
.sidebar nav a { display: flex; align-items: center; gap: 12px; padding: 12px 20px; color: #94a3b8; text-decoration: none; font-size: 14px; transition: all .2s; }
.sidebar nav a:hover, .sidebar nav a.active { background: var(--sidebar-hover); color: #fff; border-left: 3px solid var(--accent); }
.sidebar nav a svg { width: 18px; height: 18px; flex-shrink: 0; }

/* Main */
.main { margin-left: 240px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.topbar { background: var(--card); padding: 16px 28px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 50; }
.topbar h1 { font-size: 20px; font-weight: 700; }
.topbar .date-badge { background: var(--bg); padding: 6px 14px; border-radius: 20px; font-size: 13px; color: var(--muted); }
.content { padding: 28px; flex: 1; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 28px; }
.card { background: var(--card); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 16px; }
.card .icon { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.card .icon svg { width: 26px; height: 26px; }
.card .info h3 { font-size: 26px; font-weight: 700; }
.card .info p { font-size: 13px; color: var(--muted); margin-top: 2px; }
.icon-blue { background: #eff6ff; color: var(--accent); }
.icon-green { background: #f0fdf4; color: var(--accent2); }
.icon-red { background: #fef2f2; color: var(--danger); }
.icon-orange { background: #fff7ed; color: #f97316; }
.icon-purple { background: #faf5ff; color: #a855f7; }

/* Table Box */
.box { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.box-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.box-header h2 { font-size: 16px; font-weight: 700; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filters input, .filters select { padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: var(--bg); color: var(--text); outline: none; }
.filters input:focus, .filters select:focus { border-color: var(--accent); }
.btn { padding: 8px 16px; border-radius: 8px; border: none; cursor: pointer; font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; transition: opacity .2s; }
.btn:hover { opacity: .85; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-success { background: var(--accent2); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th { background: #f8fafc; padding: 12px 16px; text-align: left; font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); }
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-enter { background: #f0fdf4; color: #16a34a; }
.badge-exit { background: #fef2f2; color: #dc2626; }
.badge-present { background: #eff6ff; color: #2563eb; }
.badge-absent { background: #fef2f2; color: #dc2626; }

/* Pagination */
.pagination { padding: 16px 22px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); flex-wrap: wrap; gap: 10px; }
.pagination .pages { display: flex; gap: 6px; }
.pagination .pages a, .pagination .pages span { padding: 6px 12px; border-radius: 6px; border: 1px solid var(--border); text-decoration: none; color: var(--text); font-size: 13px; }
.pagination .pages a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination .pages span.current { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Empty state */
.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: .4; }

@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar .logo h2, .sidebar nav a span { display: none; }
  .main { margin-left: 60px; }
  .cards { grid-template-columns: 1fr 1fr; }
}