/* ==========================================================================
   SC&SS JNU Alumni Meet Platform — Admin & Organizer Dashboard Styles
   Warm Paper & Monochrome Editorial Identity
   Soft Black (#1C1C1C) · Warm Paper (#F4F1EA) · Off-White (#FAF9F6)
   ========================================================================== */

:root {
    --admin-sidebar-width: 260px;
    --admin-header-height: 64px;
    --admin-bg: #F4F1EA;
    --admin-card-bg: #FAF9F6;
    --admin-border: #D8D4CC;
    --admin-text-main: #111111;
    --admin-text-muted: #77736D;
}

body.admin-body {
    background-color: var(--admin-bg);
    color: var(--admin-text-main);
    display: flex;
    min-height: 100vh;
    font-size: 0.95rem;
}

/* Sidebar Layout */
.admin-sidebar {
    width: var(--admin-sidebar-width);
    background-color: #1C1C1C;
    color: #F4F1EA;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
    border-right: 1px solid rgba(244, 241, 234, 0.1);
    transition: width 0.25s ease;
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(244, 241, 234, 0.1);
    transition: padding 0.25s ease;
}

.sidebar-brand-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: #FFFFFF;
    font-weight: 700;
}

.sidebar-brand-sub {
    font-size: 0.7rem;
    color: rgba(244, 241, 234, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-item {
    margin-bottom: 0.25rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: rgba(244, 241, 234, 0.8);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.15s, color 0.15s, padding 0.25s, justify-content 0.25s;
}

.sidebar-link:hover, .sidebar-link.active {
    background-color: rgba(244, 241, 234, 0.08);
    color: #FFFFFF;
    border-left: 3px solid var(--color-paper);
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(244, 241, 234, 0.1);
    font-size: 0.85rem;
    transition: padding 0.25s ease;
}

.user-info {
    margin-bottom: 0.5rem;
    color: #FFFFFF;
    font-weight: 600;
}

.user-role-badge {
    font-size: 0.7rem;
    background-color: var(--color-sepia);
    color: #FFFFFF;
    padding: 0.15rem 0.45rem;
    border-radius: 2px;
    text-transform: uppercase;
    font-weight: 700;
}

/* Main Content Area */
.admin-main {
    margin-left: var(--admin-sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.25s ease;
}

.admin-topbar {
    height: var(--admin-header-height);
    background-color: #FAF9F6;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 900;
}

.topbar-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--admin-text-main);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-content {
    padding: 2rem;
    flex: 1;
}

/* Metric / Stat Tiles */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-tile {
    background-color: var(--admin-card-bg);
    border: 1px solid var(--admin-border);
    border-top: 2px solid var(--color-ink);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-subtle);
}

.stat-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--admin-text-muted);
    margin-bottom: 0.5rem;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-ink);
    line-height: 1;
}

.stat-number.primary { color: var(--color-ink); }
.stat-number.gold, .stat-number.sepia { color: var(--color-sepia); }
.stat-number.success { color: var(--color-success); }
.stat-number.warning { color: var(--color-warning); }

.stat-sub {
    font-size: 0.78rem;
    color: var(--admin-text-muted);
    margin-top: 0.4rem;
}

/* Admin Card Container */
.admin-card {
    background-color: var(--admin-card-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-sm);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-subtle);
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-ink);
}

.card-body {
    padding: 1.5rem;
}

/* Data Tables */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    text-align: left;
}

.admin-table th {
    background-color: #EFEBE2;
    color: var(--color-ink);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text-main);
    vertical-align: middle;
}

.admin-table tbody tr:hover {
    background-color: #F0EBE0;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.badge-verified, .badge-active, .badge-completed {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.badge-submitted, .badge-under_review, .badge-planned, .badge-assigned {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.badge-rejected, .badge-cancelled, .badge-inactive {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

/* Action Buttons */
.btn-sm {
    min-height: 36px;
    padding: 0.35rem 0.75rem;
    font-size: 0.82rem;
}

.btn-icon {
    padding: 0.35rem 0.6rem;
}

.action-group {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

/* Admin Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--color-ink);
}

.form-text {
    font-size: 0.78rem;
    color: var(--admin-text-muted);
    margin-top: 0.25rem;
}

/* Modal Dialog */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(17, 17, 17, 0.6);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.modal-overlay.active {
    display: flex;
}

.modal-dialog {
    background-color: #FAF9F6;
    border-radius: var(--radius-sm);
    border-top: 3px solid var(--color-ink);
    max-width: 550px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(17, 17, 17, 0.2);
    overflow: hidden;
    border: 1px solid var(--admin-border);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-ink);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--admin-text-muted);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--admin-border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    background-color: #F4F1EA;
}

/* Pagination */
.pagination {
    display: flex;
    list-style: none;
    gap: 0.3rem;
    align-items: center;
    margin-top: 1rem;
}

.page-item .page-link {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--admin-border);
    background-color: #FAF9F6;
    color: var(--color-ink);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
}

.page-item.active .page-link {
    background-color: var(--color-ink);
    color: var(--color-paper);
    border-color: var(--color-ink);
}

.admin-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-ink);
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s;
}

.admin-nav-toggle:hover {
    background-color: rgba(17, 17, 17, 0.08);
}

.sidebar-collapse-btn {
    background: rgba(244, 241, 234, 0.08);
    border: 1px solid rgba(244, 241, 234, 0.15);
    color: rgba(244, 241, 234, 0.85);
    border-radius: 4px;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.15s, transform 0.25s ease;
    padding: 0;
    flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
    background: rgba(244, 241, 234, 0.18);
    color: #FFFFFF;
}

.collapse-arrow-icon {
    transition: transform 0.25s ease;
}

/* Collapsed Sidebar Rules for Desktop (min-width: 993px) */
@media (min-width: 993px) {
    body.sidebar-collapsed {
        --admin-sidebar-width: 70px;
    }

    body.sidebar-collapsed .sidebar-header {
        padding: 1rem 0.5rem;
        justify-content: center;
        flex-direction: column;
        gap: 0.75rem;
    }

    body.sidebar-collapsed .sidebar-brand-wrapper div,
    body.sidebar-collapsed .sidebar-link span,
    body.sidebar-collapsed .user-info,
    body.sidebar-collapsed .user-role-badge,
    body.sidebar-collapsed .sidebar-footer div > a {
        display: none !important;
    }

    body.sidebar-collapsed .collapse-arrow-icon {
        transform: rotate(180deg);
    }

    body.sidebar-collapsed .sidebar-link {
        justify-content: center;
        padding: 0.85rem 0;
    }

    body.sidebar-collapsed .sidebar-footer {
        padding: 1rem 0.5rem;
        text-align: center;
    }
}

@media (max-width: 992px) {
    .admin-nav-toggle {
        display: inline-flex;
    }

    .sidebar-collapse-btn {
        display: none !important;
    }

    .admin-topbar {
        padding: 0 1rem;
    }

    .admin-content {
        padding: 1.25rem;
    }

    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: 0 0 30px rgba(0, 0, 0, 0.25);
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0;
    }
}

@media (max-width: 640px) {
    .topbar-title {
        font-size: 1.1rem;
    }
}