/* Admin portal — dark theme only */
.admin-portal {
    --admin-sidebar-width: 15rem;
    --admin-sidebar-collapsed: 3.75rem;
    --admin-accent: #a855f7;
    --admin-accent-hover: #9333ea;
    --admin-danger: #ef4444;
    --admin-danger-hover: #dc2626;
    --admin-success: #22c55e;
}

.admin-portal.dark {
    --bg-body: #020617;
    --bg-surface: #0f172a;
    --bg-inset: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #1e293b;
    --border-highlight: rgba(148, 163, 184, 0.18);
    --btn-primary: var(--admin-accent);
    --btn-primary-hover: var(--admin-accent-hover);
    --card-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
    --card-border: 1px solid var(--border-highlight);
}

.admin-portal {
    min-height: 100vh;
    background: var(--bg-body);
    color: var(--text-primary);
}

.admin-portal .theme-toggle {
    display: none;
}

/* Login */
.page-admin-login .card-form-wrap {
    min-height: 100vh;
}

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

.admin-sidebar {
    position: sticky;
    top: 0;
    align-self: flex-start;
    height: 100vh;
    width: var(--admin-sidebar-width);
    flex-shrink: 0;
    background: var(--bg-surface);
    border-right: var(--card-border);
    display: flex;
    flex-direction: column;
    transition: width 0.2s ease;
    overflow: hidden;
    z-index: 20;
}

.admin-sidebar.collapsed {
    width: var(--admin-sidebar-collapsed);
}

.admin-sidebar-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 0.85rem;
    border-bottom: var(--card-border);
    min-height: 3.75rem;
}

.admin-sidebar-toggle {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    border: var(--card-border);
    border-radius: 0.5rem;
    background: var(--bg-inset);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.admin-sidebar-toggle:hover {
    color: var(--admin-accent);
    border-color: var(--admin-accent);
}

.admin-sidebar-brand {
    display: flex;
    align-items: baseline;
    gap: 0.15rem;
    white-space: nowrap;
    overflow: hidden;
}

.admin-sidebar-brand .sim {
    font-family: var(--font-logo);
    font-weight: 700;
    color: #c4b5fd;
}

.admin-sidebar-brand .prob {
    font-family: var(--font-logo);
    font-weight: 700;
    color: var(--admin-accent);
}

.admin-sidebar.collapsed .admin-sidebar-brand-text,
.admin-sidebar.collapsed .admin-nav-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.admin-nav {
    flex: 1;
    padding: 0.75rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.admin-nav-item i {
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.admin-nav-item:hover {
    background: var(--bg-inset);
    color: var(--text-primary);
}

.admin-nav-item.active {
    background: color-mix(in srgb, var(--admin-accent) 18%, transparent);
    color: var(--admin-accent);
}

.admin-sidebar-foot {
    padding: 0.75rem 0.5rem 1rem;
    border-top: var(--card-border);
}

.admin-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.5rem;
    background: var(--bg-surface);
    border-bottom: var(--card-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.admin-topbar-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.admin-user-menu {
    position: relative;
}

.admin-user-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.65rem;
    border-radius: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.admin-user-trigger:hover {
    background: var(--bg-inset);
    color: var(--text-primary);
}

.admin-logout-menu {
    position: absolute;
    right: 0;
    top: 100%;
    padding-top: 0.35rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s;
}

.admin-user-menu:hover .admin-logout-menu,
.admin-user-menu:focus-within .admin-logout-menu {
    opacity: 1;
    pointer-events: auto;
}

.admin-logout-btn {
    display: block;
    padding: 0.5rem 1rem;
    border: var(--card-border);
    border-radius: 0.5rem;
    background: var(--bg-inset);
    color: var(--text-primary);
    font-size: 0.875rem;
    white-space: nowrap;
}

.admin-logout-btn:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

.admin-content {
    flex: 1;
    padding: 1.5rem;
}

/* Page chrome */
.admin-page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.admin-page-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.admin-page-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.admin-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: var(--card-border);
    background: var(--bg-inset);
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: none;
}

.admin-btn:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

.admin-btn-primary {
    background: var(--admin-accent);
    border-color: var(--admin-accent);
    color: #fff;
}

.admin-btn-primary:hover {
    background: var(--admin-accent-hover);
    border-color: var(--admin-accent-hover);
    color: #fff;
}

.admin-btn-danger {
    border-color: var(--admin-danger);
    color: var(--admin-danger);
}

.admin-btn-danger:hover {
    background: var(--admin-danger);
    color: #fff;
}

.admin-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* Banner */
.admin-banner {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.admin-banner-error {
    background: color-mix(in srgb, var(--admin-danger) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--admin-danger) 40%, transparent);
    color: #fecaca;
}

.admin-banner-success {
    background: color-mix(in srgb, var(--admin-success) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--admin-success) 40%, transparent);
    color: #bbf7d0;
}

/* Dashboard */
.admin-dashboard-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.admin-widget {
    padding: 1.25rem;
    background: var(--bg-surface);
    border: var(--card-border);
    border-radius: 0.75rem;
    box-shadow: var(--card-shadow);
}

.admin-widget-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.admin-widget-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-chart-card {
    padding: 1.25rem;
    background: var(--bg-surface);
    border: var(--card-border);
    border-radius: 0.75rem;
    box-shadow: var(--card-shadow);
}

.admin-chart-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.admin-chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    height: 10rem;
    padding-top: 0.5rem;
}

.admin-chart-bar-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    min-width: 0;
}

.admin-chart-bar {
    width: 100%;
    max-width: 3rem;
    background: var(--admin-accent);
    border-radius: 0.25rem 0.25rem 0 0;
    min-height: 2px;
    transition: height 0.3s ease;
}

.admin-chart-bar-label {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    text-align: center;
}

.admin-chart-bar-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Forms */
.admin-form-card {
    background: var(--bg-surface);
    border: var(--card-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    max-width: 40rem;
}

.admin-form-section {
    margin-top: 2rem;
}

.admin-section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.admin-form-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.admin-field-hint {
    font-weight: 400;
    color: var(--text-secondary);
}

.admin-form-grid {
    display: grid;
    gap: 1rem;
}

.admin-form-row {
    display: grid;
    gap: 0.35rem;
}

.admin-form-row label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.admin-form-row input,
.admin-form-row select,
.admin-form-row textarea {
    font-family: inherit;
    font-size: 0.875rem;
    padding: 0.55rem 0.75rem;
    border: var(--card-border);
    border-radius: 0.5rem;
    background: var(--bg-inset);
    color: var(--text-primary);
    outline: none;
}

.admin-form-row input:focus,
.admin-form-row select:focus,
.admin-form-row textarea:focus {
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--admin-accent) 20%, transparent);
}

.admin-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: var(--card-border);
}

.admin-inline-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-inset);
    border-radius: 0.5rem;
    border: var(--card-border);
}

.admin-grid-mount[aria-busy="true"] {
    min-height: 6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    background: var(--bg-surface);
    border: var(--card-border);
    border-radius: 0.75rem;
}

.admin-grid-mount[aria-busy="true"]::before {
    content: 'Loading…';
}

/* Modal */
.admin-modal[hidden] {
    display: none;
}

.admin-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.admin-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.72);
}

.admin-modal-panel {
    position: relative;
    width: 100%;
    max-width: 28rem;
    background: var(--bg-surface);
    border: var(--card-border);
    border-radius: 0.75rem;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
    padding: 1.25rem 1.5rem 1.5rem;
}

.admin-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.admin-modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.admin-modal-close {
    width: 2rem;
    height: 2rem;
    border: var(--card-border);
    border-radius: 0.5rem;
    background: var(--bg-inset);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.admin-modal-close:hover {
    color: var(--text-primary);
    border-color: var(--admin-accent);
}

.admin-modal-form .admin-form-actions {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
}

.admin-empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: var(--card-border);
    border-radius: 0.75rem;
}

/* Admin grids */
.admin-grid-mount .datagrid {
    --dg-accent: var(--admin-accent);
    --dg-export-bg: var(--admin-accent);
    --dg-export-hover: var(--admin-accent-hover);
    --dg-header-bg: var(--bg-inset);
    --dg-row-hover: rgba(255, 255, 255, 0.04);
    --dg-row-stripe: rgba(255, 255, 255, 0.02);
    --dg-filter-bg: var(--bg-inset);
}