/* ============================================
   ChankArts Music Academy - Admin Dashboard
   ============================================ */

/* ---------- Admin Layout (app-shell, single scroll) ---------- */
.admin-layout {
    display: flex;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

.admin-sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--color-bg-secondary);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-lg) 0;
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    transition: transform var(--transition-base);
}

.admin-sidebar::-webkit-scrollbar {
    width: 6px;
}

.admin-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

.admin-sidebar__section {
    padding: 0 var(--space-md);
    margin-bottom: var(--space-lg);
}

.admin-sidebar__label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0 var(--space-md);
    margin-bottom: var(--space-sm);
}

.admin-sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    margin: 1px var(--space-sm);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
}

.admin-sidebar__link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.admin-sidebar__link--active {
    background: rgba(201, 169, 110, 0.12);
    color: var(--color-accent);
    font-weight: 500;
}

.admin-sidebar__link--active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--color-accent);
}

.admin-sidebar__icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.admin-sidebar__icon svg {
    width: 18px;
    height: 18px;
    stroke-width: 1.8;
}

.admin-sidebar__badge {
    margin-left: auto;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.admin-main {
    flex: 1;
    margin-left: 260px;
    padding: var(--space-2xl);
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
}

/* Thin, quiet scrollbar for the content pane */
.admin-main::-webkit-scrollbar {
    width: 8px;
}

.admin-main::-webkit-scrollbar-thumb {
    background: rgba(201, 169, 110, 0.25);
    border-radius: 4px;
}

.admin-main::-webkit-scrollbar-thumb:hover {
    background: rgba(201, 169, 110, 0.4);
}

/* ---------- Admin Header ---------- */
.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
}

.admin-header__title {
    font-size: 1.75rem;
    font-family: var(--font-display);
}

.admin-header__subtitle {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: var(--space-xs);
}

/* ---------- Stats Cards ---------- */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.admin-stat {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-fast);
}

.admin-stat:hover {
    border-color: rgba(201, 169, 110, 0.2);
    box-shadow: var(--shadow-glow);
}

.admin-stat__icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(201, 169, 110, 0.1);
    color: var(--color-accent);
}

.admin-stat__icon svg {
    width: 19px;
    height: 19px;
    stroke-width: 1.8;
}

.admin-stat__value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.admin-stat__label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.admin-stat--warning .admin-stat__value {
    color: var(--color-warning);
}

.admin-stat--success .admin-stat__value {
    color: var(--color-success);
}

.admin-stat--accent .admin-stat__value {
    color: var(--color-accent);
}

/* ---------- Admin Cards ---------- */
.admin-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.admin-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.admin-card__title {
    font-size: 1.1rem;
    font-family: var(--font-body);
    font-weight: 600;
}

.admin-card__body {
    padding: var(--space-xl);
}

/* ---------- Admin Tables ---------- */
.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    text-align: left;
    padding: var(--space-md) var(--space-lg);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    white-space: nowrap;
}

.admin-table td {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    vertical-align: middle;
}

.admin-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.admin-table__empty {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--color-text-muted);
}

.admin-table__empty-icon {
    width: 42px;
    height: 42px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(201, 169, 110, 0.08);
    color: var(--color-accent);
    opacity: 0.75;
}

.admin-table__empty-icon svg {
    width: 20px;
    height: 20px;
}

.admin-table__empty-text {
    font-size: 0.95rem;
}

/* ---------- Status Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge--pending {
    background: rgba(251, 191, 36, 0.15);
    color: var(--color-warning);
}

.badge--approved, .badge--active, .badge--paid, .badge--present {
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-success);
}

.badge--rejected, .badge--inactive, .badge--absent, .badge--overdue {
    background: rgba(248, 113, 113, 0.15);
    color: var(--color-error);
}

.badge--needs-info, .badge--partial {
    background: rgba(201, 169, 110, 0.15);
    color: var(--color-accent);
}

.badge--cancelled {
    background: rgba(107, 107, 123, 0.15);
    color: var(--color-text-muted);
}

/* ---------- Admin Detail Panel ---------- */
.admin-detail {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.admin-detail__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.admin-detail__title {
    font-size: 1.5rem;
    font-family: var(--font-display);
}

.admin-detail__meta {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-sm);
}

.admin-detail__meta-item {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.admin-detail__meta-item svg {
    width: 15px;
    height: 15px;
    opacity: 0.7;
    flex-shrink: 0;
}

.admin-detail__section {
    margin-bottom: var(--space-2xl);
}

.admin-detail__section-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.admin-detail__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.admin-detail__field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.admin-detail__field-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.admin-detail__field-value {
    font-size: 0.95rem;
    color: var(--color-text-primary);
}

/* ---------- Admin Actions ---------- */
.admin-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.admin-actions .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.85rem;
}

/* ---------- Admin Filters ---------- */
.admin-filters {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.admin-filter {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-filter:hover {
    border-color: rgba(201, 169, 110, 0.3);
    color: var(--color-text-primary);
}

.admin-filter--active {
    background: rgba(201, 169, 110, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ---------- Admin Loading ---------- */
.admin-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
    color: var(--color-text-muted);
}

.admin-loading__spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: var(--space-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Admin Empty State ---------- */
.admin-empty {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    color: var(--color-text-muted);
}

.admin-empty__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(201, 169, 110, 0.08);
    color: var(--color-accent);
    opacity: 0.85;
}

.admin-empty__icon svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.6;
}

.admin-empty__title {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.admin-empty__text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ---------- Admin Mobile Toggle ---------- */
.admin-sidebar__toggle {
    display: none;
    position: fixed;
    bottom: var(--space-xl);
    left: var(--space-xl);
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    z-index: 101;
    box-shadow: var(--shadow-lg);
}

.admin-sidebar__toggle svg {
    width: 22px;
    height: 22px;
    stroke-width: 2;
}

/* ---------- Admin Responsive ---------- */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar--open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
        padding: var(--space-lg);
    }
    
    .admin-sidebar__toggle {
        display: flex;
    }
    
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .admin-detail__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .admin-stats {
        grid-template-columns: 1fr;
    }
    
    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .admin-table {
        font-size: 0.8rem;
    }
    
    .admin-table th,
    .admin-table td {
        padding: var(--space-sm) var(--space-md);
    }
    
    .admin-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--space-sm);
    }
}

/* ============================================
   Registration Requests - Enhanced Styles
   ============================================ */

/* ---------- Filters ---------- */
.reg-filters {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    flex-wrap: wrap;
}

.reg-filters__search {
    flex: 1;
    min-width: 200px;
}

.reg-filters__search .auth__input {
    width: 100%;
}

.reg-filters__selects {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.reg-filters__selects .auth__select {
    min-width: 160px;
    width: auto;
}

/* ---------- Student Cell ---------- */
.reg-student-cell {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.reg-programmes-cell {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    max-width: 180px;
    display: inline-block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Deadline ---------- */
.reg-deadline--overdue {
    color: var(--color-error);
    font-weight: 600;
}

.reg-row--overdue td {
    background: rgba(248, 113, 113, 0.03);
}

/* ---------- Deadline Banner ---------- */
.reg-deadline-banner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: rgba(201, 169, 110, 0.08);
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2xl);
}

.reg-deadline-banner--overdue {
    background: rgba(248, 113, 113, 0.08);
    border-color: rgba(248, 113, 113, 0.3);
}

.reg-deadline-banner__icon {
    font-size: 1.5rem;
}

.reg-deadline-banner__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.reg-deadline-banner__text strong {
    font-size: 0.95rem;
}

.reg-deadline-banner__text span {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* ---------- Timeline ---------- */
.reg-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding-left: var(--space-md);
}

.reg-timeline__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    position: relative;
}

.reg-timeline__item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 36px;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.1);
}

.reg-timeline__item--done:not(:last-child)::before {
    background: rgba(74, 222, 128, 0.3);
}

.reg-timeline__item--skipped:not(:last-child)::before {
    background: rgba(107, 107, 123, 0.2);
}

.reg-timeline__dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.reg-timeline__item--done .reg-timeline__dot {
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-success);
    border-color: var(--color-success);
}

.reg-timeline__item--current .reg-timeline__dot {
    background: rgba(201, 169, 110, 0.15);
    color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.reg-timeline__item--skipped .reg-timeline__dot {
    background: rgba(107, 107, 123, 0.1);
    color: var(--color-text-muted);
    border-color: rgba(107, 107, 123, 0.3);
}

.reg-timeline__content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-top: 2px;
}

.reg-timeline__label {
    font-size: 0.9rem;
    color: var(--color-text-primary);
}

.reg-timeline__item--skipped .reg-timeline__label {
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.reg-timeline__date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ---------- Programme Cards ---------- */
.reg-programmes-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.reg-programme-card {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(201, 169, 110, 0.08);
    border: 1px solid rgba(201, 169, 110, 0.15);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.reg-programme-card__icon {
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    color: var(--color-accent);
}

.reg-programme-card__icon svg {
    width: 16px;
    height: 16px;
}

.reg-programme-card__name {
    font-weight: 500;
}

.reg-note {
    margin-top: var(--space-md);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ---------- Review Notes ---------- */
.reg-review-notes {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border-left: 3px solid var(--color-accent);
}

.reg-review-notes p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.reg-review-notes__date {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ---------- Status Banners ---------- */
.reg-approved-banner,
.reg-rejected-banner,
.reg-pending-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-md);
}

.reg-approved-banner {
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.reg-rejected-banner {
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.reg-pending-banner {
    background: rgba(251, 191, 36, 0.08);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.reg-approved-banner__icon,
.reg-rejected-banner__icon,
.reg-pending-banner__icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.reg-approved-banner__icon svg {
    width: 22px;
    height: 22px;
}

.reg-rejected-banner__icon svg {
    width: 22px;
    height: 22px;
}

.reg-pending-banner__icon svg {
    width: 22px;
    height: 22px;
}

.reg-approved-banner__text,
.reg-rejected-banner__text,
.reg-pending-banner__text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.reg-approved-banner__text strong,
.reg-rejected-banner__text strong,
.reg-pending-banner__text strong {
    font-size: 0.95rem;
}

.reg-approved-banner__text span,
.reg-rejected-banner__text span,
.reg-pending-banner__text span {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ---------- Action Buttons ---------- */
.reg-btn--warning {
    border-color: var(--color-warning) !important;
    color: var(--color-warning) !important;
}

.reg-btn--danger {
    border-color: var(--color-error) !important;
    color: var(--color-error) !important;
}

.btn--sm {
    padding: 4px 12px !important;
    font-size: 0.8rem !important;
}

/* ---------- Modal ---------- */
.admin-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 23, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 24px 20px;
    overflow-y: auto;
    animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.admin-modal {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    max-height: calc(100vh - 48px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.admin-modal__header {
    padding: var(--space-xl) var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.admin-modal__header--success {
    border-left: 4px solid var(--color-success);
}

.admin-modal__header--danger {
    border-left: 4px solid var(--color-error);
}

.admin-modal__header--warning {
    border-left: 4px solid var(--color-warning);
}

.admin-modal__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin: 0;
}

.admin-modal__body {
    padding: var(--space-xl) var(--space-2xl);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.admin-modal__body p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0 0 var(--space-lg);
}

.admin-modal__info {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.admin-modal__info strong {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-primary);
}

.admin-modal__info ul {
    margin: 0;
    padding-left: var(--space-lg);
}

.admin-modal__info li {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.admin-modal__applicant {
    background: rgba(201, 169, 110, 0.05);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    margin-top: var(--space-md);
}

.admin-modal__field {
    margin-bottom: var(--space-lg);
}

.admin-modal__field .auth__textarea {
    width: 100%;
    resize: vertical;
}

.admin-modal__footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
    background: var(--color-bg-secondary);
}

/* ---------- Toast ---------- */
.admin-toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.admin-toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateX(120%);
    transition: transform 0.3s ease;
    min-width: 280px;
    max-width: 400px;
}

.admin-toast--visible {
    transform: translateX(0);
}

.admin-toast--success {
    border-left: 4px solid var(--color-success);
}

.admin-toast--error {
    border-left: 4px solid var(--color-error);
}

.admin-toast__icon {
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.admin-toast--success .admin-toast__icon {
    color: var(--color-success);
}

.admin-toast--error .admin-toast__icon {
    color: var(--color-error);
}

.admin-toast__message {
    font-size: 0.9rem;
    color: var(--color-text-primary);
}

/* ---------- Mobile Cards ---------- */
.reg-table-desktop {
    display: block;
}

.reg-table-mobile {
    display: none;
}

.reg-card {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: background 0.15s ease;
}

.reg-card:hover {
    background: rgba(255, 255, 255, 0.02);
}

.reg-card--overdue {
    border-left: 3px solid var(--color-error);
}

.reg-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.reg-card__name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.reg-card__meta {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.reg-card__programmes {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: var(--space-sm);
}

.reg-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ---------- Status Group ---------- */
.admin-detail__status-group {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .reg-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .reg-filters__selects {
        flex-wrap: wrap;
    }
    
    .reg-filters__selects .auth__select {
        flex: 1;
        min-width: 140px;
    }
}

@media (max-width: 768px) {
    .reg-table-desktop {
        display: none;
    }
    
    .reg-table-mobile {
        display: block;
    }
    
    .admin-detail__header {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .admin-detail__status-group {
        align-self: flex-start;
    }
    
    .admin-modal {
        max-width: 100%;
        margin: 10px;
    }
    
    .admin-toast-container {
        left: 10px;
        right: 10px;
    }
    
    .admin-toast {
        min-width: auto;
        max-width: 100%;
    }
    
    .admin-actions {
        flex-direction: column;
    }
    
    .admin-actions .btn {
        width: 100%;
        text-align: center;
    }
}

/* ---------- Student Profile Workspace ---------- */
.ws-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding-bottom: 8px;
}

.ws-tab {
    padding: 8px 14px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary, #666);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.ws-tab:hover {
    background: rgba(181, 138, 53, 0.08);
    color: var(--color-accent, #B58A35);
}

.ws-tab--active {
    background: var(--color-accent, #B58A35);
    color: #fff;
    border-color: var(--color-accent, #B58A35);
}

.ws-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.ws-stat {
    padding: 14px 16px;
    background: rgba(181, 138, 53, 0.04);
    border: 1px solid rgba(181, 138, 53, 0.12);
    border-radius: 10px;
}

.ws-stat__label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted, #888);
    margin-bottom: 4px;
}

.ws-stat__value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text, #222);
}

.ws-remark {
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 12px;
    background: #fff;
}

.ws-remark--staff {
    border-left: 4px solid #E84141;
    background: rgba(232, 65, 65, 0.03);
}

.ws-remark__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.ws-remark__body {
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--color-text, #222);
    white-space: pre-wrap;
}

.ws-remark__actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.btn--sm {
    padding: 4px 10px;
    font-size: 0.78rem;
}