/* 精简管理后台样式 - 替代Bootstrap */

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: 14px; line-height: 1.5; color: #212529; background-color: #f8f9fa; }

/* Container */
.container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 15px; }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.me-2 { margin-right: 0.5rem; }
.me-3 { margin-right: 1rem; }

/* Flex */
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

/* Navbar */
.navbar { background: #007ACC; color: white; padding: 0.75rem 1rem; margin-bottom: 0; }
.navbar .container-fluid { display: flex; justify-content: space-between; align-items: center; max-width: 100%; }
.navbar-brand { color: white; text-decoration: none; font-size: 1.1rem; font-weight: 500; }
.navbar .text-white { color: white; }

/* Card */
.card { background: white; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); margin-bottom: 1.5rem; }
.card-header { padding: 0.75rem 1rem; border-bottom: 1px solid #e9ecef; font-weight: 600; }
.card-body { padding: 1rem; }
.stat-card { text-align: center; padding: 0.75rem 0.5rem; }
.stat-num { font-size: 1.5rem; font-weight: 600; color: #007ACC; margin: 0; line-height: 1.2; }
.stat-label { margin-top: 0.25rem; color: #666; font-size: 0.8rem; white-space: nowrap; }

/* Row & Col */
.row { display: flex; flex-wrap: wrap; margin: 0 -0.5rem; }
.row-cols-3 > * { flex: 0 0 33.333%; max-width: 33.333%; padding: 0 0.5rem; }
.row-cols-md-6 > * { flex: 0 0 16.666%; max-width: 16.666%; }
.col { flex: 1; padding: 0 0.5rem; }
.col-md-2 { flex: 0 0 16.666%; max-width: 16.666%; padding: 0 0.5rem; }
.col-md-3 { flex: 0 0 25%; max-width: 25%; padding: 0 0.5rem; }
.col-md-4 { flex: 0 0 33.333%; max-width: 33.333%; padding: 0 0.5rem; }
.col-md-6 { flex: 0 0 50%; max-width: 50%; padding: 0 0.5rem; }
.col-md-12 { flex: 0 0 100%; max-width: 100%; padding: 0 0.5rem; }
.g-2 { gap: 0.5rem; }
.g-3 { gap: 1rem; }

/* Buttons */
.btn { display: inline-block; padding: 0.375rem 0.75rem; font-size: 0.875rem; border: 1px solid transparent; border-radius: 4px; cursor: pointer; text-decoration: none; text-align: center; transition: all 0.15s; }
.btn:hover { opacity: 0.9; }
.btn-primary { background: #007ACC; color: white; border-color: #007ACC; }
.btn-secondary { background: #6c757d; color: white; }
.btn-danger { background: #dc3545; color: white; }
.btn-success { background: #28a745; color: white; }
.btn-warning { background: #ffc107; color: #212529; }
.btn-info { background: #17a2b8; color: white; }
.btn-outline-light { background: transparent; color: white; border-color: rgba(255,255,255,0.5); }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); }
.btn-outline-primary { background: white; color: #007ACC; border-color: #007ACC; }
.btn-outline-secondary { background: white; color: #6c757d; border-color: #6c757d; }
.btn-outline-danger { background: white; color: #dc3545; border-color: #dc3545; }
.btn-outline-success { background: white; color: #28a745; border-color: #28a745; }
.btn-outline-warning { background: white; color: #ffc107; border-color: #ffc107; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.btn-light { background: white; color: #212529; }
.btn.active { background: white; color: #007ACC; }
.w-100 { width: 100%; }

/* Badge */
.badge { display: inline-block; padding: 0.25em 0.5em; font-size: 0.75rem; font-weight: 600; line-height: 1; border-radius: 3px; white-space: nowrap; }
.bg-primary { background: #007ACC; color: white; }
.bg-secondary { background: #6c757d; color: white; }
.bg-success { background: #28a745; color: white; }
.bg-danger { background: #dc3545; color: white; }
.bg-warning { background: #ffc107; color: #212529; }
.bg-info { background: #17a2b8; color: white; }
.text-dark { color: #212529; }
.text-white { color: white; }
.fs-6 { font-size: 1rem; }

/* Table */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table thead { background: #f8f9fa; }
.table th, .table td { padding: 0.75rem; text-align: left; border-bottom: 1px solid #dee2e6; }
.table tbody tr:hover { background: #f8f9fa; }
.text-center { text-align: center; }
.text-muted { color: #6c757d; }

/* Form */
.form-label { display: block; margin-bottom: 0.25rem; font-weight: 500; }
.form-control, .form-select { display: block; width: 100%; padding: 0.375rem 0.75rem; font-size: 0.875rem; border: 1px solid #ced4da; border-radius: 4px; }
.form-control:focus, .form-select:focus { outline: none; border-color: #007ACC; box-shadow: 0 0 0 2px rgba(0,122,204,0.25); }
.form-control-sm, .form-select-sm { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.form-check { display: flex; align-items: center; margin-bottom: 0.5rem; }
.form-check-input { margin-right: 0.5rem; }
.form-check-label { cursor: pointer; }
.font-monospace { font-family: monospace; }

/* Pagination */
.pagination { display: flex; list-style: none; gap: 0.25rem; }
.pagination-sm .page-item { font-size: 0.75rem; }
.page-item { display: inline-block; }
.page-link { display: block; padding: 0.375rem 0.75rem; color: #007ACC; text-decoration: none; border: 1px solid #dee2e6; border-radius: 4px; }
.page-link:hover { background: #e9ecef; }
.page-item.active .page-link { background: #007ACC; color: white; border-color: #007ACC; }
.page-item.disabled .page-link { color: #6c757d; pointer-events: none; opacity: 0.5; }
.pagination-info { font-size: 0.9rem; color: #666; }

/* Modal */
.modal { display: none; position: fixed; z-index: 1050; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); overflow: auto; }
.modal.show { display: flex; align-items: center; justify-content: center; }
.modal-dialog { background: white; border-radius: 8px; max-width: 500px; width: 90%; margin: 1rem; max-height: calc(100% - 2rem); display: flex; min-width: 0; }
.modal-lg { max-width: 800px; }
.modal-content { border-radius: 8px; display: flex; flex-direction: column; width: 100%; min-height: 0; max-height: 100%; overflow: hidden; }
.modal-header, .modal-footer { flex-shrink: 0; }
.modal-header { padding: 1rem; border-bottom: 1px solid #dee2e6; display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-size: 1.1rem; font-weight: 600; margin: 0; }
.modal-body { padding: 1rem; min-height: 0; overflow: auto; overscroll-behavior: contain; }
.card-types-dialog { max-width: 1200px; }
.card-types-table-scroll { overflow-x: auto; }
.card-types-table { min-width: 940px; }
.card-types-table th, .card-types-table td { white-space: nowrap; }
.modal-footer { padding: 1rem; border-top: 1px solid #dee2e6; display: flex; justify-content: flex-end; gap: 0.5rem; }
.btn-close { background: transparent; border: none; font-size: 1.5rem; cursor: pointer; opacity: 0.5; }
.btn-close:empty::before { content: "\00d7"; }
.btn-close:hover { opacity: 1; }

/* Alert */
.alert { padding: 0.75rem 1rem; margin-bottom: 1rem; border-radius: 4px; }
.alert-danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }

/* Utility */
.text-end { text-align: right; }
small { font-size: 0.875em; }
.code-cell { font-family: monospace; font-size: 0.85rem; }
.permission-badge { font-size: 0.75rem; }

/* Tabs */
.nav-tabs { display: flex; border-bottom: 2px solid #dee2e6; margin-bottom: 1.5rem; list-style: none; padding: 0; gap: 0; }
.nav-tabs .nav-item { margin-bottom: -2px; list-style: none; }
.nav-tabs .nav-link { display: block; padding: 0.75rem 1.5rem; color: #495057; text-decoration: none; border: 2px solid transparent; border-bottom: none; background: transparent; cursor: pointer; transition: all 0.15s; font-family: inherit; font-size: 14px; }
.nav-tabs .nav-link:hover { color: #007ACC; background: #f8f9fa; }
.nav-tabs .nav-link.active { color: #007ACC; background: white; border-color: #dee2e6 #dee2e6 white; font-weight: 600; }
.tab-content { display: block; }
.tab-pane { display: none; }
.tab-pane.show.active { display: block; }
.tab-pane.active { display: block; }

/* List Group */
.list-group { display: flex; flex-direction: column; padding-left: 0; margin-bottom: 0; }
.list-group-item { position: relative; display: block; padding: 0.75rem 1rem; background-color: #fff; border: 1px solid rgba(0,0,0,.125); margin-bottom: -1px; }
.list-group-item:first-child { border-top-left-radius: 4px; border-top-right-radius: 4px; }
.list-group-item:last-child { border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; }

/* Additional utilities */
.flex-grow-1 { flex-grow: 1; }
.btn-group { display: inline-flex; }
.btn-group .btn { margin-left: -1px; border-radius: 0; }
.btn-group .btn:first-child { border-top-left-radius: 4px; border-bottom-left-radius: 4px; }
.btn-group .btn:last-child { border-top-right-radius: 4px; border-bottom-right-radius: 4px; }
.ms-3 { margin-left: 1rem; }
.ms-2 { margin-left: 0.5rem; }
.float-end { float: right; }
.d-inline-block { display: inline-block; }
.w-auto { width: auto; }

/* Responsive */
@media (max-width: 768px) {
    .row-cols-md-6 > * { flex: 0 0 50%; max-width: 50%; }
    .col-md-2, .col-md-3, .col-md-4, .col-md-6, .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ========================================================================
   Admin workspace visual system
   This layer intentionally preserves the existing HTML and JavaScript API.
   ======================================================================== */
:root {
    --admin-canvas: #f6f8fc;
    --admin-surface: #ffffff;
    --admin-surface-subtle: #f8fafc;
    --admin-ink: #172033;
    --admin-text: #34405a;
    --admin-muted: #6c7891;
    --admin-border: #e4e9f1;
    --admin-border-strong: #ccd5e3;
    --admin-primary: #2563eb;
    --admin-primary-strong: #1d4ed8;
    --admin-primary-soft: #eaf1ff;
    --admin-success: #0f9f6e;
    --admin-success-soft: #e9f9f2;
    --admin-warning: #c9750a;
    --admin-warning-soft: #fff6df;
    --admin-danger: #d7465d;
    --admin-danger-soft: #fff0f3;
    --admin-shadow: 0 12px 30px rgba(27, 39, 63, 0.08), 0 2px 6px rgba(27, 39, 63, 0.04);
    --admin-shadow-raised: 0 18px 36px rgba(27, 39, 63, 0.12), 0 4px 10px rgba(27, 39, 63, 0.06);
    --admin-radius-sm: 8px;
    --admin-radius: 12px;
    --admin-radius-lg: 16px;
}

body:not(.admin-login) {
    min-height: 100vh;
    color: var(--admin-text);
    background: var(--admin-canvas);
    font-family: Inter, "Noto Sans SC", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

body:not(.admin-login) .navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: 68px;
    padding: 12px clamp(16px, 3vw, 40px);
    color: var(--admin-ink);
    background: rgba(255, 255, 255, 0.96) !important;
    border-bottom: 1px solid var(--admin-border);
    box-shadow: 0 1px 0 rgba(23, 32, 51, 0.02), 0 8px 20px rgba(23, 32, 51, 0.04);
    backdrop-filter: blur(14px);
}

body:not(.admin-login) .navbar .container-fluid { gap: 24px; }

/* 共享导航的权限隐藏优先于按钮主题的display规则。 */
body:not(.admin-login) .navbar [hidden] { display: none !important; }
body:not(.admin-login) .navbar #current-admin[data-session-error] { display: inline; color: var(--admin-danger); }

body:not(.admin-login) .navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--admin-ink);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0;
}

body:not(.admin-login) .navbar-brand::before {
    width: 24px;
    height: 24px;
    content: "";
    border: 1px solid #b9cbf7;
    border-radius: 7px;
    background: var(--admin-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38), 0 4px 9px rgba(37, 99, 235, 0.22);
}

body:not(.admin-login) .navbar .text-white {
    color: var(--admin-muted);
    font-size: 13px;
}

body:not(.admin-login) .navbar .container-fluid > div:last-child {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
}

body:not(.admin-login) .container {
    max-width: 1440px;
    padding: 32px clamp(16px, 3vw, 40px) 48px;
}

body:not(.admin-login) h1,
body:not(.admin-login) h2,
body:not(.admin-login) h3,
body:not(.admin-login) h4,
body:not(.admin-login) h5 {
    color: var(--admin-ink);
    letter-spacing: 0;
}

body:not(.admin-login) h2 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.25;
}

body:not(.admin-login) h5,
body:not(.admin-login) .card-header strong {
    font-size: 15px;
    font-weight: 650;
}

body:not(.admin-login) .card {
    overflow: hidden;
    margin-bottom: 20px;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
}

body:not(.admin-login) .card-header,
body:not(.admin-login) .card-footer {
    min-height: 56px;
    padding: 15px 20px;
    background: var(--admin-surface);
    border-color: var(--admin-border);
}

body:not(.admin-login) .card-body { padding: 20px; }

body:not(.admin-login) .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 8px 13px;
    border-radius: var(--admin-radius-sm);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0;
    transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

body:not(.admin-login) .btn:hover {
    opacity: 1;
    transform: translateY(-1px);
}

body:not(.admin-login) .btn:focus-visible,
body:not(.admin-login) .form-control:focus,
body:not(.admin-login) .form-select:focus,
body:not(.admin-login) .page-link:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

body:not(.admin-login) .btn-primary,
body:not(.admin-login) .bg-primary {
    color: #fff;
    background: var(--admin-primary);
    border-color: var(--admin-primary);
}

body:not(.admin-login) .btn-primary:hover {
    background: var(--admin-primary-strong);
    border-color: var(--admin-primary-strong);
    box-shadow: 0 7px 14px rgba(37, 99, 235, 0.22);
}

body:not(.admin-login) .btn-secondary,
body:not(.admin-login) .btn-outline-secondary,
body:not(.admin-login) .btn-light {
    color: var(--admin-text);
    background: var(--admin-surface);
    border-color: var(--admin-border-strong);
}

body:not(.admin-login) .btn-secondary:hover,
body:not(.admin-login) .btn-outline-secondary:hover,
body:not(.admin-login) .btn-light:hover {
    color: var(--admin-ink);
    background: var(--admin-surface-subtle);
    border-color: #b9c4d4;
}

body:not(.admin-login) .btn-success,
body:not(.admin-login) .bg-success {
    color: #fff;
    background: var(--admin-success);
    border-color: var(--admin-success);
}

body:not(.admin-login) .btn-info,
body:not(.admin-login) .bg-info { background: #4f46e5; border-color: #4f46e5; }

body:not(.admin-login) .btn-warning,
body:not(.admin-login) .bg-warning { color: #7a4200; background: #f8ca72; border-color: #f8ca72; }

body:not(.admin-login) .btn-danger,
body:not(.admin-login) .bg-danger { color: #fff; background: var(--admin-danger); border-color: var(--admin-danger); }

body:not(.admin-login) .btn-outline-primary { color: var(--admin-primary); background: var(--admin-primary-soft); border-color: #bfd2ff; }
body:not(.admin-login) .btn-outline-danger { color: var(--admin-danger); background: var(--admin-danger-soft); border-color: #f4c5cf; }

body:not(.admin-login) .navbar .btn-outline-light {
    min-height: 32px;
    color: var(--admin-muted);
    background: transparent;
    border-color: transparent;
}

body:not(.admin-login) .navbar .btn-outline-light:hover {
    color: var(--admin-primary);
    background: var(--admin-primary-soft);
    border-color: transparent;
}

body:not(.admin-login) .navbar .btn-light.active {
    color: var(--admin-primary);
    background: var(--admin-primary-soft);
    border-color: #cbdcff;
    box-shadow: none;
}

body:not(.admin-login) .navbar .btn-outline-danger {
    min-height: 32px;
    margin-left: 6px;
}

body:not(.admin-login) .form-label {
    margin-bottom: 6px;
    color: var(--admin-text);
    font-size: 13px;
    font-weight: 600;
}

body:not(.admin-login) .form-control,
body:not(.admin-login) .form-select {
    min-height: 40px;
    padding: 9px 11px;
    color: var(--admin-ink);
    background: var(--admin-surface);
    border-color: var(--admin-border-strong);
    border-radius: var(--admin-radius-sm);
    font-family: inherit;
    font-size: 13px;
}

body:not(.admin-login) .form-control::placeholder { color: #9aa5b7; }
body:not(.admin-login) .form-control:focus,
body:not(.admin-login) .form-select:focus { border-color: var(--admin-primary); }
body:not(.admin-login) .form-control-sm,
body:not(.admin-login) .form-select-sm { min-height: 34px; padding: 6px 9px; font-size: 12px; }

body:not(.admin-login) .table-responsive { border: 1px solid var(--admin-border); border-radius: var(--admin-radius-sm); }
body:not(.admin-login) .table { margin: 0; color: var(--admin-text); }
body:not(.admin-login) .table thead { background: var(--admin-surface-subtle); }
body:not(.admin-login) .table th {
    padding: 11px 14px;
    color: var(--admin-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
}
body:not(.admin-login) .table td { padding: 13px 14px; border-color: var(--admin-border); vertical-align: middle; }
body:not(.admin-login) .table tbody tr { transition: background-color 120ms ease; }
body:not(.admin-login) .table tbody tr:hover { background: #f6f9ff; }

body:not(.admin-login) .badge {
    padding: 5px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 650;
    line-height: 1.1;
}

body:not(.admin-login) .pagination { gap: 5px; }
body:not(.admin-login) .page-link {
    min-width: 34px;
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 10px;
    color: var(--admin-text);
    background: var(--admin-surface);
    border-color: var(--admin-border);
    border-radius: 7px;
    font-size: 12px;
    font-weight: 600;
}
body:not(.admin-login) .page-link:hover { color: var(--admin-primary); background: var(--admin-primary-soft); }
body:not(.admin-login) .page-item.active .page-link { background: var(--admin-primary); border-color: var(--admin-primary); }

body:not(.admin-login) .nav-tabs {
    gap: 8px;
    margin-bottom: 20px;
    padding: 5px;
    background: #edf1f7;
    border: 0;
    border-radius: 10px;
}
body:not(.admin-login) .nav-tabs .nav-item { margin: 0; }
body:not(.admin-login) .nav-tabs .nav-link {
    padding: 8px 12px;
    color: var(--admin-muted);
    border: 0;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 600;
}
body:not(.admin-login) .nav-tabs .nav-link:hover { color: var(--admin-primary); background: transparent; }
body:not(.admin-login) .nav-tabs .nav-link.active { color: var(--admin-ink); background: var(--admin-surface); border: 0; box-shadow: 0 2px 5px rgba(27, 39, 63, 0.08); }

body:not(.admin-login) .modal { background: rgba(20, 29, 46, 0.36); backdrop-filter: blur(3px); }
body:not(.admin-login) .modal-dialog,
body:not(.admin-login) .modal-content {
    background: var(--admin-surface);
    border: 1px solid rgba(255, 255, 255, 0.76);
    border-radius: var(--admin-radius-lg);
    box-shadow: 0 28px 70px rgba(20, 29, 46, 0.22);
}
body:not(.admin-login) .modal-header,
body:not(.admin-login) .modal-footer { padding: 18px 22px; border-color: var(--admin-border); }
body:not(.admin-login) .modal-body { padding: 22px; }

body:not(.admin-login) .alert { border-radius: var(--admin-radius-sm); }
body:not(.admin-login) .alert-info { color: #29477c; background: #eef4ff; border-color: #cbdcff; }

/* Dashboard has a distinct, denser operational hierarchy. */
body:not(.admin-login) #stats-container { gap: 12px; margin: 0 0 24px; }
body:not(.admin-login) #stats-container .col { min-width: 150px; padding: 0; }
body:not(.admin-login) #stats-container .stat-card {
    position: relative;
    min-height: 118px;
    padding: 20px;
    text-align: left;
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
}
body:not(.admin-login) #stats-container .stat-card::after {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 9px;
    height: 9px;
    content: "";
    border-radius: 50%;
    background: var(--admin-primary);
    box-shadow: 0 0 0 5px var(--admin-primary-soft);
}
body:not(.admin-login) #stats-container .stat-num { color: var(--admin-ink); font-size: 28px; font-weight: 700; }
body:not(.admin-login) #stats-container .stat-label { margin-top: 8px; color: var(--admin-muted); font-size: 12px; }
body:not(.admin-login) #stats-container .col:nth-child(2) .stat-card::after { background: var(--admin-success); box-shadow: 0 0 0 5px var(--admin-success-soft); }
body:not(.admin-login) #stats-container .col:nth-child(3) .stat-card::after { background: var(--admin-warning); box-shadow: 0 0 0 5px var(--admin-warning-soft); }
body:not(.admin-login) #stats-container .col:nth-child(4) .stat-card::after { background: #7c3aed; box-shadow: 0 0 0 5px #f1eafe; }

body:not(.admin-login) #permissions-display { display: flex; flex-wrap: wrap; gap: 8px; }
body:not(.admin-login) #permissions-display .permission-badge { margin: 0; }

@media (max-width: 980px) {
    body:not(.admin-login) .navbar .container-fluid { align-items: flex-start; }
    body:not(.admin-login) .navbar .container-fluid > div:last-child { justify-content: flex-start; }
    body:not(.admin-login) .navbar .text-white { display: none; }
}

@media (max-width: 640px) {
    body:not(.admin-login) .navbar { min-height: auto; padding: 12px 16px; }
    body:not(.admin-login) .navbar .container-fluid { flex-direction: column; gap: 10px; }
    body:not(.admin-login) .navbar .container-fluid > div:last-child { width: 100%; justify-content: flex-start; }
    body:not(.admin-login) .navbar .btn { padding: 7px 9px; font-size: 12px; }
    body:not(.admin-login) .container { padding-top: 24px; }
    body:not(.admin-login) h2 { font-size: 23px; }
    body:not(.admin-login) .d-flex.justify-content-between.align-items-center { align-items: flex-start; gap: 14px; }
    body:not(.admin-login) #stats-container .col { flex: 1 1 calc(50% - 6px); min-width: 0; }
    body:not(.admin-login) #stats-container .stat-card { min-height: 104px; padding: 16px; }
    body:not(.admin-login) .card-header,
    body:not(.admin-login) .card-footer,
    body:not(.admin-login) .card-body { padding-left: 16px; padding-right: 16px; }
}

/* Login is intentionally a calm, bright entry screen rather than a blue wall. */
body.admin-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-text);
    background: var(--admin-canvas);
    font-family: Inter, "Noto Sans SC", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
}

body.admin-login .login-card {
    width: min(100% - 32px, 420px);
    padding: 34px;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-lg);
    box-shadow: var(--admin-shadow-raised);
}

body.admin-login .login-card h2 { color: var(--admin-ink); font-size: 28px; font-weight: 700; }
body.admin-login .login-card h2::before {
    display: block;
    width: 36px;
    height: 36px;
    margin: 0 auto 15px;
    content: "";
    border-radius: 11px;
    background: var(--admin-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38), 0 8px 18px rgba(37, 99, 235, 0.24);
}
body.admin-login .login-card .subtitle { color: var(--admin-muted); }
body.admin-login .form-control { min-height: 42px; border-color: var(--admin-border-strong); border-radius: var(--admin-radius-sm); }
body.admin-login .form-control:focus { border-color: var(--admin-primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16); }
body.admin-login .btn-login { min-height: 42px; color: #fff; background: var(--admin-primary); border-color: var(--admin-primary); border-radius: var(--admin-radius-sm); font-weight: 650; }
body.admin-login .btn-login:hover { background: var(--admin-primary-strong); border-color: var(--admin-primary-strong); }
body.admin-login footer { color: var(--admin-muted) !important; }
body.admin-login footer a { color: var(--admin-muted) !important; }