/* Squid Web Manager - Stylesheet
   Dark theme, modern admin layout
*/
:root {
    --bg: #0f172a;
    --bg-elevated: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #243044;
    --border: #334155;
    --border-light: #475569;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --purple: #8b5cf6;
    --cyan: #06b6d4;
    --pink: #ec4899;
    --orange: #f97316;
    --yellow: #eab308;
    --sidebar-w: 240px;
    --radius: 8px;
    --radius-sm: 4px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
                 Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .monospace {
    font-family: "JetBrains Mono", "Fira Code", "SF Mono", Consolas,
                 "Liberation Mono", Menlo, monospace;
    font-size: 0.92em;
}

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: linear-gradient(180deg, #0b1224 0%, #0f172a 100%);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    z-index: 100;
}
.sidebar .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 16px;
    border-bottom: 1px solid var(--border);
}
.brand-logo {
    font-size: 28px;
    line-height: 1;
}
.brand-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--text);
}
.sidebar nav {
    padding: 8px 0;
}
.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 20px;
    color: var(--text-muted);
    font-size: 13.5px;
    transition: all 0.15s;
    text-decoration: none;
    border-left: 3px solid transparent;
}
.sidebar nav a:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--text);
    text-decoration: none;
}
.sidebar nav a.active {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    border-left-color: var(--accent);
}
.sidebar nav a .nav-section-title,
.sidebar nav .nav-section {
    padding: 16px 20px 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    font-weight: 600;
    border-left: 3px solid transparent;
}
.sidebar nav .nav-section { display: block; }
.sidebar nav a.nav-danger:hover { color: var(--danger); }

/* ---- Content ---- */
.content {
    margin-left: var(--sidebar-w);
    padding: 24px 28px;
    min-height: 100vh;
}
.content-full {
    margin-left: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-header h1, .page-header h2 {
    font-size: 22px;
    font-weight: 600;
}
.page-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 18px;
}
.card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text);
}
.card-desc {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 14px;
}
.card-empty {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}
.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}
.meta-text {
    color: var(--text-muted);
    font-size: 12.5px;
}
.hint {
    color: var(--text-dim);
    font-size: 11px;
    margin-left: 4px;
}

/* ---- KPI Cards ---- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}
.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    border-left: 4px solid var(--accent);
    position: relative;
    overflow: hidden;
}
.kpi-card.kpi-blue { border-left-color: var(--accent); }
.kpi-card.kpi-green { border-left-color: var(--success); }
.kpi-card.kpi-purple { border-left-color: var(--purple); }
.kpi-card.kpi-orange { border-left-color: var(--orange); }
.kpi-card.kpi-red { border-left-color: var(--danger); }
.kpi-card.kpi-yellow { border-left-color: var(--yellow); }
.kpi-card.kpi-cyan { border-left-color: var(--cyan); }
.kpi-card.kpi-pink { border-left-color: var(--pink); }
.kpi-label {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}
.kpi-value {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 6px;
}
.kpi-meta {
    color: var(--text-dim);
    font-size: 11.5px;
}

/* ---- Grids ---- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}
@media (max-width: 1100px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 14px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}
.form-input {
    width: 100%;
    padding: 8px 11px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 13.5px;
    transition: border-color 0.15s;
}
.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}
textarea.form-input {
    font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
    font-size: 12.5px;
    line-height: 1.5;
    resize: vertical;
}
textarea.raw-editor {
    font-size: 12px;
    line-height: 1.5;
}
select.form-input {
    cursor: pointer;
    background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
                      linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
    background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    padding-right: 28px;
    appearance: none;
}
.filter-form {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
    margin-bottom: 8px;
}
.range-input {
    display: flex;
    align-items: center;
    gap: 8px;
}
.range-input span { color: var(--text-dim); }
.form-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 12px;
    flex-wrap: wrap;
}
.form-narrow {
    max-width: 460px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    font-family: inherit;
}
.btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}
.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}
.btn-secondary { background: var(--bg-elevated); }
.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
}
.btn-danger:hover { background: #dc2626; }
.btn-warning {
    background: var(--warning);
    border-color: var(--warning);
    color: #1f1300;
}
.btn-warning:hover { background: #d97706; }
.btn-small {
    padding: 5px 11px;
    font-size: 12px;
}
.btn-tiny {
    padding: 3px 8px;
    font-size: 11px;
}
.btn-block {
    width: 100%;
    justify-content: center;
}
.btn-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 200px;
}
.btn-group-vertical .btn { justify-content: center; }

/* ---- Tables ---- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.data-table th,
.data-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.data-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
}
.data-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.05);
}
.data-table.small th,
.data-table.small td { padding: 6px 8px; font-size: 12px; }
.data-table .empty-row {
    text-align: center;
    padding: 30px 10px;
    color: var(--text-muted);
}
.table-scroll {
    overflow-x: auto;
    max-height: 700px;
    overflow-y: auto;
}
.log-table {
    font-size: 12px;
    font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
}
.log-table th,
.log-table td {
    padding: 6px 8px;
    font-size: 12px;
}
.time-cell { white-space: nowrap; color: var(--text-muted); }
.url-cell {
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.url-cell a { color: var(--text); }
.url-cell a:hover { color: var(--accent); }
.detail-cell {
    word-break: break-all;
    color: var(--text-muted);
    font-family: monospace;
    font-size: 12px;
}

/* ---- Badges ---- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11.5px;
    font-weight: 500;
    font-family: monospace;
    white-space: nowrap;
}
.badge-green { background: rgba(16, 185, 129, 0.18); color: #34d399; }
.badge-blue { background: rgba(59, 130, 246, 0.18); color: #60a5fa; }
.badge-red { background: rgba(239, 68, 68, 0.18); color: #f87171; }
.badge-orange { background: rgba(249, 115, 22, 0.18); color: #fb923c; }
.badge-yellow { background: rgba(234, 179, 8, 0.18); color: #facc15; }
.badge-purple { background: rgba(139, 92, 246, 0.18); color: #a78bfa; }
.badge-cyan { background: rgba(6, 182, 212, 0.18); color: #22d3ee; }
.badge-pink { background: rgba(236, 72, 153, 0.18); color: #f472b6; }
.badge-gray { background: rgba(100, 116, 139, 0.18); color: #94a3b8; }

/* ---- Flash messages ---- */
.flash-container {
    margin-bottom: 18px;
}
.flash {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    border-left: 3px solid;
    font-size: 13px;
}
.flash-ok { background: rgba(16, 185, 129, 0.12); border-color: var(--success); color: #34d399; }
.flash-error { background: rgba(239, 68, 68, 0.12); border-color: var(--danger); color: #f87171; }
.flash-warning { background: rgba(245, 158, 11, 0.12); border-color: var(--warning); color: #fbbf24; }
.flash-info { background: rgba(59, 130, 246, 0.12); border-color: var(--accent); color: #60a5fa; }

/* ---- Charts ---- */
.chart-card {
    padding-bottom: 12px;
}
.chart-container {
    position: relative;
    height: 240px;
    width: 100%;
}
.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
    max-height: 280px !important;
}
.legend-details {
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-muted);
}
.legend-details summary {
    cursor: pointer;
    color: var(--accent);
}
.legend-table {
    font-size: 11.5px;
    margin-top: 8px;
}
.legend-table th, .legend-table td {
    padding: 4px 8px;
    border-bottom: 1px solid var(--border);
}

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    margin-top: 16px;
}
.page-info {
    color: var(--text-muted);
    font-size: 13px;
}

/* ---- Login ---- */
.login-wrap {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    padding: 20px;
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.login-logo {
    font-size: 56px;
    text-align: center;
    margin-bottom: 12px;
}
.login-card h1 {
    text-align: center;
    font-size: 20px;
    margin-bottom: 4px;
}
.login-sub {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 24px;
}
.login-card .form-group { margin-bottom: 16px; }
.login-hint {
    text-align: center;
    color: var(--text-dim);
    font-size: 11.5px;
    margin-top: 16px;
}

/* ---- Service result ---- */
.svc-result {
    margin-top: 14px;
    padding: 12px;
    border-radius: var(--radius-sm);
    border-left: 3px solid;
    font-size: 13px;
}
.svc-loading { background: rgba(59, 130, 246, 0.1); border-color: var(--accent); color: #60a5fa; }
.svc-ok { background: rgba(16, 185, 129, 0.1); border-color: var(--success); color: #34d399; }
.svc-err { background: rgba(239, 68, 68, 0.1); border-color: var(--danger); color: #f87171; }
.svc-result pre {
    margin-top: 6px;
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 12px;
    font-family: monospace;
}

/* ---- Config sections ---- */
.config-section {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.config-section:last-of-type { border-bottom: none; }
.config-section-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 6px;
    color: var(--text);
}
.inline-form .filter-grid {
    margin-bottom: 12px;
}
.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
}
.checkbox-label input { cursor: pointer; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    :root { --sidebar-w: 0; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); width: 240px; }
    .content { padding: 16px; }
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .filter-grid { grid-template-columns: 1fr; }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }


/* ---- P0-1: Session idle warning ---- */
.session-warn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    background: var(--bg-card);
    border: 1px solid var(--orange, #f59e0b);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    animation: session-warn-in 0.3s ease-out;
}
.session-warn-inner {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}
.session-warn button { white-space: nowrap; }
@keyframes session-warn-in {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ---- P0-1: Login throttle banner ---- */
.login-throttle {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--orange, #f59e0b);
    color: var(--orange, #f59e0b);
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
    text-align: center;
}
.login-throttle strong { color: #fbbf24; }

/* ---- P0-4: Diff preview ---- */
.diff-container {
    max-height: 500px;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: var(--font-mono, monospace);
    font-size: 12px;
    line-height: 1.5;
}
.diff-line { padding: 2px 8px; white-space: pre-wrap; word-break: break-all; }
.diff-add { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; }
.diff-del { background: rgba(239, 68, 68, 0.15); color: #fca5a5; }
.diff-ctx { color: var(--text-muted); }
.diff-hunk { background: rgba(59, 130, 246, 0.1); color: #93c5fd; font-weight: bold; padding: 4px 8px; }
.diff-summary {
    display: flex;
    gap: 16px;
    padding: 12px;
    background: var(--bg-card);
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 13px;
}
.diff-stat-add { color: #6ee7b7; }
.diff-stat-del { color: #fca5a5; }

/* ---- P0-5: Service action lock ---- */
.svc-locked {
    opacity: 0.5;
    pointer-events: none;
    position: relative;
}
.svc-locked::after {
    content: '🔒 操作已锁定,请等待...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--border);
    z-index: 10;
}

/* ---- P3-1: Theme toggle ---- */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}
.theme-toggle:hover { color: var(--text); border-color: var(--border-light); }

/* Light theme overrides */
body.theme-light {
    --bg: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --border: #e2e8f0;
    --border-light: #cbd5e1;
    --text: #0f172a;
    --text-muted: #64748b;
    --sidebar-bg: #ffffff;
}
body.theme-light { background: var(--bg); color: var(--text); }
body.theme-light .sidebar { background: var(--sidebar-bg); }
body.theme-light .card { background: var(--bg-card); }
body.theme-light .kpi-card { background: var(--bg-card); }
body.theme-light input.form-input, body.theme-light textarea.form-input, body.theme-light select.form-input {
    background: #ffffff; color: var(--text); border-color: var(--border);
}
body.theme-light .data-table { background: var(--bg-card); }
body.theme-light .data-table th { background: #f1f5f9; color: var(--text); }
body.theme-light .data-table tr:hover { background: #f8fafc; }
body.theme-light .log-table tr:hover { background: #fef3c7; }
body.theme-light pre { background: #f8fafc; color: var(--text); }

/* ---- P1-4: Performance page cards ---- */
.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.metric-label { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.metric-value { font-size: 24px; font-weight: 700; color: var(--text); }
.metric-sub { color: var(--text-muted); font-size: 11px; }

/* ---- P2-3: GeoIP map ---- */
.geo-map { width: 100%; height: 400px; background: var(--bg-card); border-radius: 8px; }

/* ---- P3-2: User management table ---- */
.user-actions { display: flex; gap: 4px; }
.role-admin { color: #f59e0b; }
.role-viewer { color: #6ee7b7; }

/* ---- P0-5: Service control confirm modal ---- */
.modal { position: fixed; top:0; left:0; right:0; bottom:0; background: rgba(0,0,0,0.6); z-index: 10000; display: flex; align-items: center; justify-content: center; }
.modal-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 24px; max-width: 420px; width: 90%; box-shadow: 0 8px 40px rgba(0,0,0,0.5); }
.modal-card h3 { margin-top: 0; }
.modal-card code { background: var(--bg); padding: 2px 8px; border-radius: 4px; font-weight: bold; }
.modal-card .form-actions { margin-top: 16px; display: flex; gap: 8px; }

/* ---- P1-3: Instance switcher (sidebar) ---- */
.instance-switcher {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(59, 130, 246, 0.04);
}
.instance-switcher-label {
    display: block;
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}
.instance-switcher-select {
    width: 100%;
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 5px 8px;
    font-size: 13px;
    margin-bottom: 8px;
}
.instance-switcher-select:focus {
    outline: none;
    border-color: var(--accent);
}
.instance-switcher-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 4px;
}
.instance-switcher-quick .btn-tiny {
    color: var(--text-muted);
}
.instance-switcher-empty {
    color: var(--text-dim);
    font-size: 12px;
}

/* ---- P3-1: brand actions (theme toggle row in sidebar header) ---- */
.brand-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* =======================================================================
   P3-1: Light theme overrides (expanded)
   -----------------------------------------------------------------------
   The base :root variables describe the dark palette. body.theme-light
   redefines them so every consumer that uses var(--bg) etc. automatically
   flips. Below, we additionally override the surfaces that hard-code
   semi-transparent dark-on-dark colours, plus the brand/sidebar/login
   gradients that won't respond to variable overrides.
   ======================================================================= */

body.theme-light {
    /* core palette overrides (Bootstrap 5 / GitHub-ish) */
    --bg: #f1f5f9;
    --bg-elevated: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --border: #e2e8f0;
    --border-light: #cbd5e1;
    --text: #0f172a;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --purple: #7c3aed;
    --cyan: #0891b2;
    --pink: #db2777;
    --orange: #ea580c;
    --yellow: #ca8a04;
    --sidebar-bg: #ffffff;

    background: var(--bg);
    color: var(--text);
}

/* sidebar uses a hard-coded gradient — replace it cleanly in light mode */
body.theme-light .sidebar {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-right-color: var(--border);
    color: var(--text);
}
body.theme-light .brand-name { color: var(--text); }
body.theme-light .sidebar nav a { color: var(--text-muted); }
body.theme-light .sidebar nav a:hover {
    background: rgba(37, 99, 235, 0.06);
    color: var(--text);
}
body.theme-light .sidebar nav a.active {
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent);
    border-left-color: var(--accent);
}
body.theme-light .sidebar nav .nav-section { color: var(--text-dim); }
body.theme-light .sidebar nav a.nav-danger:hover { color: var(--danger); }

/* cards + tables + forms */
body.theme-light .card,
body.theme-light .kpi-card,
body.theme-light .metric-card {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
body.theme-light .card-title,
body.theme-light .kpi-value,
body.theme-light .metric-value { color: var(--text); }
body.theme-light .card-desc,
body.theme-light .kpi-label,
body.theme-light .kpi-meta,
body.theme-light .metric-label,
body.theme-light .metric-sub,
body.theme-light .meta-text { color: var(--text-muted); }

body.theme-light .data-table { background: var(--bg-card); color: var(--text); }
body.theme-light .data-table th { background: #f1f5f9; color: var(--text); }
body.theme-light .data-table tr:hover { background: #f8fafc; }
body.theme-light .log-table tr:hover { background: #fef3c7; }
body.theme-light .data-table tbody tr:hover { background: rgba(37, 99, 235, 0.05); }
body.theme-light .legend-table th,
body.theme-light .legend-table td { border-bottom-color: var(--border); }

body.theme-light input.form-input,
body.theme-light textarea.form-input,
body.theme-light select.form-input {
    background: #ffffff;
    color: var(--text);
    border-color: var(--border);
}
body.theme-light input.form-input:focus,
body.theme-light textarea.form-input:focus,
body.theme-light select.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
body.theme-light .form-group label { color: var(--text-muted); }

/* buttons — keep primary coloured but lift secondary surface */
body.theme-light .btn { background: var(--bg-elevated); color: var(--text); border-color: var(--border); }
body.theme-light .btn:hover { background: var(--bg-card-hover); border-color: var(--border-light); }
body.theme-light .btn-secondary { background: var(--bg-elevated); }
body.theme-light .btn-primary { background: var(--accent); border-color: var(--accent); color: #ffffff; }
body.theme-light .btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
body.theme-light .btn-danger { background: var(--danger); border-color: var(--danger); color: #ffffff; }
body.theme-light .btn-warning { background: var(--warning); border-color: var(--warning); color: #1f1300; }

/* code blocks / diffs */
body.theme-light pre,
body.theme-light code { background: #f1f5f9; color: #0f172a; }
body.theme-light pre { background: #f8fafc; color: var(--text); border: 1px solid var(--border); }
body.theme-light .diff-container { background: var(--bg-card); border-color: var(--border); }
body.theme-light .diff-add { background: rgba(16, 185, 129, 0.18); color: #047857; }
body.theme-light .diff-del { background: rgba(239, 68, 68, 0.18); color: #b91c1c; }
body.theme-light .diff-hunk { background: rgba(37, 99, 235, 0.10); color: #1d4ed8; }
body.theme-light .diff-stat-add { color: #047857; }
body.theme-light .diff-stat-del { color: #b91c1c; }

/* modals + session warning */
body.theme-light .modal { background: rgba(15, 23, 42, 0.45); }
body.theme-light .modal-card {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text);
    box-shadow: 0 10px 40px rgba(15, 23, 42, 0.18);
}
body.theme-light .modal-card code { background: #f1f5f9; }
body.theme-light .session-warn {
    background: var(--bg-card);
    border-color: var(--warning);
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.18);
    color: var(--text);
}

/* login page gradient + card */
body.theme-light .login-wrap {
    background: linear-gradient(135deg, #e2e8f0 0%, #f1f5f9 50%, #e2e8f0 100%);
}
body.theme-light .login-card {
    background: var(--bg-card);
    border-color: var(--border);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
    color: var(--text);
}
body.theme-light .login-sub { color: var(--text-muted); }
body.theme-light .login-hint { color: var(--text-dim); }

/* instance switcher in sidebar */
body.theme-light .instance-switcher {
    background: rgba(37, 99, 235, 0.04);
    border-bottom-color: var(--border);
}
body.theme-light .instance-switcher-select {
    background: #ffffff;
    color: var(--text);
    border-color: var(--border);
}
body.theme-light .instance-switcher-select:focus { border-color: var(--accent); }
body.theme-light .instance-switcher-empty { color: var(--text-dim); }

/* theme toggle button */
body.theme-light .theme-toggle {
    background: var(--bg-elevated);
    border-color: var(--border);
    color: var(--text-muted);
}
body.theme-light .theme-toggle:hover {
    color: var(--text);
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

/* flash messages — keep semantic colours but tone down alpha for light bg */
body.theme-light .flash-ok { background: rgba(5, 150, 105, 0.10); color: #047857; border-color: var(--success); }
body.theme-light .flash-error { background: rgba(220, 38, 38, 0.10); color: #b91c1c; border-color: var(--danger); }
body.theme-light .flash-warning { background: rgba(217, 119, 6, 0.12); color: #b45309; border-color: var(--warning); }
body.theme-light .flash-info { background: rgba(37, 99, 235, 0.10); color: #1d4ed8; border-color: var(--accent); }

/* badges — keep saturated foregrounds; only soften the alpha background */
body.theme-light .badge-green { background: rgba(5, 150, 105, 0.14); color: #047857; }
body.theme-light .badge-blue { background: rgba(37, 99, 235, 0.14); color: #1d4ed8; }
body.theme-light .badge-red { background: rgba(220, 38, 38, 0.14); color: #b91c1c; }
body.theme-light .badge-orange { background: rgba(234, 88, 12, 0.14); color: #c2410c; }
body.theme-light .badge-yellow { background: rgba(202, 138, 4, 0.18); color: #a16207; }
body.theme-light .badge-purple { background: rgba(124, 58, 237, 0.14); color: #6d28d9; }
body.theme-light .badge-cyan { background: rgba(8, 145, 178, 0.14); color: #0e7490; }
body.theme-light .badge-pink { background: rgba(219, 39, 119, 0.14); color: #be185d; }
body.theme-light .badge-gray { background: rgba(100, 116, 139, 0.16); color: #475569; }

/* service result banners */
body.theme-light .svc-loading { background: rgba(37, 99, 235, 0.10); color: #1d4ed8; border-color: var(--accent); }
body.theme-light .svc-ok { background: rgba(5, 150, 105, 0.10); color: #047857; border-color: var(--success); }
body.theme-light .svc-err { background: rgba(220, 38, 38, 0.10); color: #b91c1c; border-color: var(--danger); }

/* scrollbar — slightly darker on light bg so it's still visible */
body.theme-light ::-webkit-scrollbar-track { background: #e2e8f0; }
body.theme-light ::-webkit-scrollbar-thumb { background: #cbd5e1; }
body.theme-light ::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* geoip map container */
body.theme-light .geo-map { background: var(--bg-card); border: 1px solid var(--border); }

/* href / link colour */
body.theme-light a { color: var(--accent); }
body.theme-light a:hover { color: var(--accent-hover); }

/* config-section divider */
body.theme-light .config-section { border-bottom-color: var(--border); }