/* ============================================================
   Admin Panel — Stylesheet
   ============================================================ */

.admin-shell { display: flex; min-height: 100vh; }

/* ---------------- Sidebar ---------------- */
.admin-sidebar {
    width: 260px;
    background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 100%);
    color: #cbd5e1;
    flex-shrink: 0;
    padding: 22px 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    transition: transform .3s ease;
    z-index: 200;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px;
    padding: 0 22px 22px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
}
.sidebar-brand i {
    width: 40px; height: 40px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    box-shadow: 0 8px 20px rgba(245,158,11,.35);
}
.sidebar-nav {
    display: flex; flex-direction: column;
    padding: 16px 12px;
    gap: 2px;
}
.sidebar-nav a {
    color: #cbd5e1;
    padding: 11px 14px;
    border-radius: 10px;
    font-weight: 500;
    font-size: .92rem;
    display: flex; align-items: center; gap: 12px;
    transition: .2s;
}
.sidebar-nav a i {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
    color: #94a3b8;
    transition: .2s;
}
.sidebar-nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar-nav a:hover i { color: var(--gold); }
.sidebar-nav a.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 10px 22px rgba(79,70,229,.35);
}
.sidebar-nav a.active i { color: #fff; }
.sidebar-divider {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: #64748b;
    padding: 18px 14px 6px;
    font-weight: 700;
}
.logout-link { color: #fca5a5 !important; }
.logout-link i { color: #fca5a5 !important; }
.logout-link:hover { background: rgba(239,68,68,.12) !important; }

/* ---------------- Main ---------------- */
.admin-main { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--bg); }
.admin-topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 28px;
    display: flex; align-items: center; gap: 18px;
    position: sticky; top: 0; z-index: 100;
}
.sidebar-toggle {
    background: none; border: 0;
    font-size: 1.5rem; color: var(--dark);
    display: none;
    padding: 4px 8px;
    border-radius: 8px;
}
.sidebar-toggle:hover { background: var(--primary-light); }
.topbar-title { font-size: 1.25rem; margin: 0; flex: 1; }
.topbar-user { display: flex; align-items: center; gap: 10px; }
.user-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1rem;
}
.user-name { font-weight: 600; font-size: .9rem; color: var(--dark); }

.admin-content { padding: 28px; flex: 1; }
.admin-footer {
    padding: 18px 28px;
    border-top: 1px solid var(--border);
    background: #fff;
    color: var(--muted);
    font-size: .82rem;
    text-align: center;
}

/* ---------------- Stats ---------------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}
.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: .25s;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-card::after {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--primary);
}
.stat-card.gold::after  { background: var(--gold); }
.stat-card.teal::after  { background: var(--teal); }
.stat-card.rose::after  { background: #e11d48; }
.stat-card.green::after { background: #10b981; }
.stat-icon {
    width: 46px; height: 46px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 14px;
}
.stat-card.gold  .stat-icon { background: #fef3c7; color: var(--gold-dark); }
.stat-card.teal  .stat-icon { background: #ccfbf1; color: #0f766e; }
.stat-card.rose  .stat-icon { background: #ffe4e6; color: #be123c; }
.stat-card.green .stat-icon { background: #d1fae5; color: #047857; }
.stat-value {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
    margin-bottom: 6px;
}
.stat-label { color: var(--muted); font-size: .85rem; font-weight: 500; }

/* ---------------- Panels & tables ---------------- */
.admin-panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}
.admin-panel-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
}
.admin-panel-header h3 {
    margin: 0;
    font-size: 1.05rem;
    display: flex; align-items: center; gap: 10px;
}
.admin-panel-header h3 i { color: var(--primary); }
.admin-panel-body { padding: 24px; }

.table-modern { width: 100%; margin: 0; border-collapse: separate; border-spacing: 0; }
.table-modern thead th {
    background: #f8fafc;
    padding: 14px 16px;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--muted);
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}
.table-modern tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid #f1f5f9;
    font-size: .9rem;
    color: #334155;
    vertical-align: middle;
}
.table-modern tbody tr:last-child td { border-bottom: 0; }
.table-modern tbody tr:hover { background: #f8fafc; }

.tag-pill {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 48px;
    padding: 5px 12px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    font-weight: 700;
    font-size: .8rem;
    letter-spacing: .02em;
}
.session-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: .8rem;
}
.empty-state { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty-state i { font-size: 3rem; color: #cbd5e1; display: block; margin-bottom: 14px; }

/* ---------------- Login ---------------- */
.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 30px;
    background:
        radial-gradient(900px 500px at 80% 10%, rgba(79,70,229,.35), transparent 60%),
        radial-gradient(700px 400px at 10% 90%, rgba(245,158,11,.25), transparent 60%),
        linear-gradient(135deg, #0f172a 0%, #1e1b4b 55%, #312e81 100%);
}
.login-card {
    width: 100%; max-width: 420px;
    background: #fff;
    border-radius: 22px;
    padding: 40px 34px;
    box-shadow: 0 30px 80px rgba(0,0,0,.4);
}
.login-logo {
    width: 70px; height: 70px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 2rem;
    margin-bottom: 18px;
    box-shadow: 0 15px 35px rgba(245,158,11,.35);
}
.login-card h2 { font-size: 1.5rem; margin-bottom: 6px; }
.login-card .text-muted { font-size: .9rem; }

/* ---------------- Print views ---------------- */
.print-toolbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    display: flex; align-items: center; gap: 12px;
    flex-wrap: wrap;
    position: sticky; top: 0; z-index: 50;
}
.print-sheet {
    background: #fff;
    padding: 40px;
    max-width: 1100px;
    margin: 24px auto;
    box-shadow: 0 5px 25px rgba(0,0,0,.06);
    border-radius: 12px;
}
.print-header {
    text-align: center;
    border-bottom: 2px solid var(--dark);
    padding-bottom: 16px;
    margin-bottom: 24px;
}
.print-header h1 { font-size: 1.6rem; margin-bottom: 4px; }
.print-header p  { color: var(--muted); margin: 0; font-size: .9rem; }
.print-meta {
    display: flex; justify-content: space-between; flex-wrap: wrap;
    gap: 10px;
    font-size: .85rem;
    color: var(--muted);
    margin-bottom: 20px;
}
.print-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.print-table th, .print-table td {
    border: 1px solid #cbd5e1;
    padding: 9px 11px;
    text-align: left;
}
.print-table th {
    background: #f1f5f9;
    font-weight: 700;
    text-transform: uppercase;
    font-size: .72rem;
    letter-spacing: .04em;
    color: #334155;
}
.print-table tr:nth-child(even) td { background: #f8fafc; }

@media print {
    .print-toolbar { display: none !important; }
    .print-sheet { box-shadow: none; margin: 0; padding: 0; max-width: 100%; }
    body { background: #fff; }
    @page { margin: 14mm; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
    .admin-sidebar {
        position: fixed;
        top: 0; left: 0;
        transform: translateX(-100%);
        height: 100vh;
    }
    .admin-sidebar.open { transform: translateX(0); }
    .sidebar-toggle { display: inline-flex; }
    .admin-content { padding: 18px; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
    .user-name { display: none; }
}