/* ============================================
   Admin Panel Styles
   ============================================ */

.admin-body {
    background: var(--bg);
}

.admin-nav {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(10, 10, 20, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.admin-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.admin-nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-nav-link {
    padding: 8px 16px;
    border-radius: 999px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.admin-nav-link:hover,
.admin-nav-link.active {
    color: var(--text);
    background: rgba(108, 99, 255, 0.15);
}

.admin-user {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0 8px;
}

.admin-main {
    padding: 32px 20px 80px;
    max-width: 1280px;
}

.admin-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}

.admin-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
}

.admin-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.admin-stats-grid.compact .admin-stat-card {
    padding: 16px;
}

.admin-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    transition: transform 0.25s, border-color 0.25s;
}

.admin-stat-card:hover {
    transform: translateY(-3px);
    border-color: rgba(108, 99, 255, 0.3);
}

.admin-stat-card .stat-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.admin-stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    word-break: break-all;
}

.admin-stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.admin-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .admin-grid-2 { grid-template-columns: 1fr; }
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th {
    text-align: left;
    padding: 12px 14px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
}

.admin-table td {
    padding: 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.admin-table tr:hover td {
    background: rgba(108, 99, 255, 0.04);
}

.admin-table a {
    color: var(--primary);
    font-weight: 600;
}

.table-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-user small {
    display: block;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(108, 99, 255, 0.2);
    color: #a5a0ff;
    font-weight: 700;
    font-size: 0.85rem;
}

.dept-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 107, 157, 0.12);
    color: #ff8cb3;
    font-size: 0.78rem;
    font-weight: 600;
}

.filter-card {
    margin-bottom: 24px;
    padding: 20px !important;
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.filter-search {
    flex: 1;
    min-width: 220px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-elevated);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0 14px;
}

.filter-search input {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    padding-left: 0 !important;
}

.filter-sort {
    width: auto;
    min-width: 180px;
}

.filter-dropdown {
    position: relative;
}

.filter-trigger {
    padding: 10px 16px;
    background: var(--bg-elevated);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.filter-trigger:hover,
.filter-trigger.open {
    border-color: var(--primary);
}

.filter-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 220px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    z-index: 50;
    overflow: hidden;
    animation: panelIn 0.2s ease;
}

.filter-option {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    color: var(--text);
    text-align: left;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.15s;
}

.filter-option:hover {
    background: rgba(108, 99, 255, 0.12);
}

.recent-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
}

.recent-item {
    padding: 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s;
}

.recent-item:hover {
    border-color: rgba(108, 99, 255, 0.25);
}

.recent-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    flex-wrap: wrap;
    gap: 6px;
}

.recent-item p {
    font-size: 0.9rem;
    color: var(--text);
}

.student-profile-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.profile-avatar {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
}

.memory-cell {
    max-width: 360px;
    line-height: 1.5;
}

.empty-cell {
    text-align: center;
    color: var(--text-muted);
    padding: 40px !important;
}

.admin-auth {
    max-width: 440px;
}

.admin-footer {
    margin-top: 40px;
}

.mt-3 { margin-top: 24px; }

.text-muted { color: var(--text-muted); }

.export-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.card-title-sm {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

/* Registration status */
.registration-stats {
    margin-bottom: 24px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-registered {
    background: rgba(74, 222, 128, 0.15);
    color: #4ADE80;
    border: 1px solid rgba(74, 222, 128, 0.35);
}

.status-pending {
    background: rgba(160, 160, 184, 0.12);
    color: #A0A0B8;
    border: 1px solid rgba(160, 160, 184, 0.25);
}

.roll-code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    color: #a5a0ff;
    background: rgba(108, 99, 255, 0.1);
    padding: 3px 8px;
    border-radius: 6px;
}

#profileStatus {
    margin-top: 8px;
}

.pending-note {
    margin: -8px 0 16px;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 0.875rem;
    background: rgba(255, 209, 102, 0.12);
    color: #FFD166;
    border: 1px solid rgba(255, 209, 102, 0.25);
}