:root {
    --bg: #0f1424;
    --bg-alt: #161d33;
    --card: #1b2542;
    --border: #2a3760;
    --text: #e6e9f5;
    --muted: #8b95b8;
    --primary: #3d7bff;
    --primary-hover: #2f66e0;
    --danger: #e5484d;
    --warning: #f5a623;
    --success: #2ecc71;
    --info: #3aa0ff;
    --royal-gold: #f4c95d;
    --focus: #8dc4ff;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.page {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: var(--bg-alt);
    border-right: 1px solid var(--border);
    padding: 20px 12px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    padding: 0 8px 20px;
    color: var(--royal-gold);
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text);
}

.nav-link:hover {
    background: var(--card);
    text-decoration: none;
}

.nav-link.active {
    background: var(--primary);
    color: #fff;
}

.content {
    flex: 1;
    padding: 28px 32px;
    width: min(100%, 1280px);
    max-width: 1280px;
    min-width: 0;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

h1 {
    font-size: 26px;
    margin: 0 0 18px;
}

h2 {
    font-size: 18px;
    margin: 0 0 14px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 18px 0;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
}

.stat-card.stat-danger {
    border-color: var(--danger);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    color: var(--muted);
    font-size: 13px;
    margin-top: 4px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin: 18px 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
}

.table th, .table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.table th {
    color: var(--muted);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.row-danger {
    background: rgba(229, 72, 77, 0.08);
}

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

.small {
    font-size: 12px;
}

.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: var(--muted);
}

.badge-danger { background: var(--danger); }
.badge-warning { background: var(--warning); color: #1a1200; }
.badge-success { background: var(--success); }
.badge-info { background: var(--info); }

.btn {
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 9px 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    min-height: 40px;
    transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

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

.btn:disabled {
    opacity: .6;
    cursor: not-allowed;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 13px;
    min-height: 34px;
}

.banner {
    padding: 12px 16px;
    border-radius: 10px;
    margin: 14px 0;
    border: 1px solid var(--border);
}

.banner-warning { background: rgba(245, 166, 35, .12); border-color: var(--warning); }
.banner-success { background: rgba(46, 204, 113, .12); border-color: var(--success); }
.banner-error { background: rgba(229, 72, 77, .12); border-color: var(--danger); }
.banner-info { background: rgba(58, 160, 255, .1); border-color: var(--info); }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.form-grid label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: var(--muted);
    font-weight: 600;
}

.form-grid label.checkbox {
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.input {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 9px 12px;
    color: var(--text);
    font-size: 14px;
    min-height: 42px;
    width: 100%;
}

.input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn:focus-visible,
.nav-link:focus-visible,
a:focus-visible,
.input:focus-visible,
.table-scroll:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
}

.hint {
    font-weight: 400;
    color: var(--muted);
    font-size: 12px;
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.alert-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-left-width: 4px;
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 12px;
}

.alert-item.alert-warning { border-left-color: var(--warning); }
.alert-item.alert-info { border-left-color: var(--info); }

.alert-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.alert-body {
    white-space: pre-wrap;
    font-family: inherit;
    margin: 0;
    color: var(--text);
    font-size: 13px;
}

.sidebar {
    display: flex;
    flex-direction: column;
}

.sidebar-footer {
    margin-top: auto;
    padding: 12px 8px 0;
    border-top: 1px solid var(--border);
}

.user-email {
    padding: 4px 4px 10px;
    word-break: break-all;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Auth pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 24px;
}

.auth-brand {
    font-size: 24px;
    font-weight: 700;
}

.auth-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    width: 100%;
    max-width: 380px;
}

.auth-card h1 {
    font-size: 22px;
    margin-bottom: 18px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: var(--muted);
    font-weight: 600;
    margin-bottom: 14px;
}

.field .input {
    width: 100%;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 100;
    padding: 10px 14px;
    border-radius: 6px;
    background: #fff;
    color: #101426;
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.table-scroll {
    width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.table-scroll .table th:first-child,
.table-scroll .table td:first-child {
    padding-left: 16px;
}

.section-intro {
    margin: -6px 0 18px;
    color: var(--muted);
    max-width: 70ch;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.section-header h2 {
    margin: 0;
}

.search-field {
    display: block;
    max-width: 360px;
    margin: 16px 0;
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

.search-field .input {
    margin-top: 6px;
}

.empty-state {
    padding: 24px;
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--muted);
    text-align: center;
}

.success-text { color: var(--success); }
.error-text { color: #ff8589; }

select.input {
    appearance: auto;
}

@media (max-width: 900px) {
    .sidebar { width: 210px; }
    .content { padding: 24px; }
    .page-header { align-items: flex-start; }
}

@media (max-width: 720px) {
    .page { flex-direction: column; }
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        padding: 12px;
    }
    .brand { padding: 0 4px 10px; font-size: 18px; }
    .nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: thin;
    }
    .nav-link { white-space: nowrap; min-height: 44px; }
    .sidebar-footer {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 8px;
        padding-top: 8px;
    }
    .sidebar-footer form { margin-left: auto; min-width: 84px; }
    .user-email { padding: 0; }
    .content { padding: 18px; }
    .page-header { align-items: stretch; flex-direction: column; }
    .page-header .btn { width: 100%; }
    .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .stat-card { padding: 14px; }
    .stat-value { font-size: 26px; }
    .card { padding: 16px; }
    .actions { flex-direction: column; }
    .actions .btn { width: 100%; }
    .section-header { align-items: stretch; flex-direction: column; }
}

@media (max-width: 420px) {
    .cards { grid-template-columns: 1fr; }
    .content { padding: 16px 12px; }
    .auth-page { padding: 16px; }
    .auth-card { padding: 22px 18px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}