:root[data-theme="dark"] {
    --bg: #121212;
    --panel: #1e1e1e;
    --panel-alt: #242424;
    --border: #333333;
    --text: #f2f2f2;
    --text-muted: #b0b0b0;
    --accent: #4f8cff;
    --accent-contrast: #ffffff;
    --danger: #e5484d;
    --danger-contrast: #ffffff;
    --success: #3ecf8e;
}

:root[data-theme="light"] {
    --bg: #f2f2f2;
    --panel: #ffffff;
    --panel-alt: #f7f7f7;
    --border: #d7dce2;
    --text: #1a1a1a;
    --text-muted: #606060;
    --accent: #2563eb;
    --accent-contrast: #ffffff;
    --danger: #d32f2f;
    --danger-contrast: #ffffff;
    --success: #1e8e5a;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a {
    color: var(--accent);
}

.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 0.75rem 1.5rem;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}

.nav-brand {
    font-weight: 600;
    margin-right: 0.5rem;
}

.nav-menu a {
    color: var(--text-muted);
    text-decoration: none;
}

.nav-menu a.active,
.nav-menu a:hover {
    color: var(--text);
}

.nav-spacer {
    flex: 1;
}

.nav-user {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.nav-logout {
    color: var(--text-muted) !important;
}

#theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 0.25rem 0.6rem;
    cursor: pointer;
}

.app-content {
    flex: 1;
    padding: 1.5rem;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
}

.login-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-page {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    width: 100%;
    max-width: 360px;
}

.login-page h1 {
    font-size: 1.3rem;
    margin: 0 0 1.25rem;
}

.field {
    margin-bottom: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

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

.field input,
.field select {
    background: var(--panel-alt);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 0.5rem 0.6rem;
    font-size: 0.95rem;
}

button, .btn {
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    cursor: pointer;
}

button.btn-danger, .btn-danger {
    background: var(--danger);
    color: var(--danger-contrast);
}

button.btn-secondary, .btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.alert {
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    margin-bottom: 0.9rem;
    font-size: 0.9rem;
}

.alert-error {
    background: color-mix(in srgb, var(--danger) 20%, transparent);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.break-glass {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.break-glass summary {
    cursor: pointer;
}

.break-glass .field {
    margin-top: 0.75rem;
}

.access-denied {
    text-align: center;
    padding: 3rem 1rem;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

table.data-table th,
table.data-table td {
    text-align: left;
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

table.data-table th {
    background: var(--panel-alt);
    color: var(--text-muted);
    font-weight: 600;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 600;
}

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

pre.raw-json {
    background: var(--panel-alt);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.75rem;
    overflow-x: auto;
    font-size: 0.82rem;
    white-space: pre-wrap;
    word-break: break-word;
}

.badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.78rem;
    border: 1px solid var(--border);
}

.badge-error { color: var(--danger); border-color: var(--danger); }
.badge-success { color: var(--success); border-color: var(--success); }

.svg-bar-chart-labels {
    display: flex;
    width: 100%;
}

.svg-bar-chart-labels span {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card h2 {
    font-size: 1rem;
}

.device-icon {
    height: 64px;
    vertical-align: middle;
    margin-left: 0.35rem;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.filters-grid .field {
    margin-bottom: 0;
}

.clickable-row {
    cursor: pointer;
}

.clickable-row:hover {
    background: var(--panel-alt);
}

.pagination {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.session-block {
    margin-top: 1rem;
}

.session-block:first-of-type {
    margin-top: 0.5rem;
}

.session-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}