/* =========================================================
   SEI - SAISHNAA EDUCATIONAL INSTITUTION
   Admin Portal Stylesheet
   ========================================================= */

:root {
    --admin-sidebar-w: 260px;
    --admin-navy: #0a192f;
    --admin-navy-dark: #060e1a;
    --admin-navy-light: #172a45;
    --admin-accent: #2563eb;
    --admin-accent-light: #3b82f6;
    --admin-bg: #f1f5f9;
    --admin-card: #ffffff;
    --admin-text: #1e293b;
    --admin-border: #e2e8f0;
}

body.admin-body {
    background-color: var(--admin-bg);
    color: var(--admin-text);
    display: flex;
    min-height: 100vh;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

/* Sidebar */
.admin-sidebar {
    width: var(--admin-sidebar-w);
    background: var(--admin-navy);
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

.admin-brand {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-brand .crest {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #ffffff;
    border: 1.5px solid #f59e0b;
}

.admin-brand h2 {
    font-size: 16px;
    color: #ffffff;
    margin: 0;
}

.admin-brand span {
    font-size: 11px;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.admin-nav {
    list-style: none;
    padding: 20px 12px;
    flex: 1;
    overflow-y: auto;
}

.admin-nav-item {
    margin-bottom: 4px;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: 8px;
    color: #94a3b8;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.admin-nav-link:hover,
.admin-nav-link.active {
    background: var(--admin-navy-light);
    color: #ffffff;
}

.admin-nav-link.active {
    border-left: 4px solid #f59e0b;
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.2), transparent);
}

.admin-nav-icon {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.admin-sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Main Admin Content Wrapper */
.admin-main {
    margin-left: var(--admin-sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-topbar {
    background: #ffffff;
    padding: 16px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--admin-border);
    position: sticky;
    top: 0;
    z-index: 90;
}

.admin-topbar-title h3 {
    margin: 0;
    font-size: 20px;
    color: var(--admin-text);
}

.admin-topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-user-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f8fafc;
    padding: 6px 14px;
    border-radius: 30px;
    border: 1px solid var(--admin-border);
    font-size: 13px;
    font-weight: 600;
}

.admin-user-avatar {
    width: 30px;
    height: 30px;
    background: #0a192f;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.admin-content {
    padding: 30px;
    flex: 1;
}

/* Dashboard Metric Cards */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 22px;
    border: 1px solid var(--admin-border);
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s;
}

.metric-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.06);
}

.metric-info h4 {
    font-size: 13px;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.metric-info .metric-num {
    font-size: 28px;
    font-weight: 800;
    color: #0f172a;
    font-family: 'Outfit', sans-serif;
}

.metric-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.icon-blue { background: #eff6ff; color: #2563eb; }
.icon-green { background: #ecfdf5; color: #10b981; }
.icon-gold { background: #fffbeb; color: #f59e0b; }
.icon-purple { background: #faf5ff; color: #8b5cf6; }

/* Data Tables */
.admin-card {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid var(--admin-border);
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
    margin-bottom: 30px;
    overflow: hidden;
}

.admin-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.admin-card-header h3 {
    font-size: 17px;
    margin: 0;
    color: #0f172a;
}

.table-responsive {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th, .admin-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--admin-border);
    text-align: left;
}

.admin-table th {
    background: #f8fafc;
    color: #475569;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table tbody tr:hover {
    background: #f8fafc;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #e0f2fe; color: #075985; }

/* Login Page Styling */
.login-body {
    background: linear-gradient(135deg, #091e33, #0d2b45);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: #ffffff;
    width: 100%;
    max-width: 420px;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-crest {
    width: 60px;
    height: 60px;
    background: #0d2b45;
    color: #ffffff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 800;
    margin: 0 auto 16px;
    border: 2px solid #f59e0b;
}

@media (max-width: 900px) {
    .admin-sidebar {
        margin-left: calc(-1 * var(--admin-sidebar-w));
    }
    .admin-sidebar.open {
        margin-left: 0;
    }
    .admin-main {
        margin-left: 0;
    }
}