:root {
    color-scheme: dark;
    --app-bg: #0b0d12;
    --app-surface: #121722;
    --app-border: rgba(255, 255, 255, 0.08);
    --app-text: #f1f5f9;
    --app-text-muted: #9aa4b2;
}

html,
body {
    background: radial-gradient(circle at top, #171d29 0%, #0b0d12 52%, #090b10 100%);
    color: var(--app-text);
    min-height: 100%;
}

body {
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

a {
    color: #9ec5fe;
}

a:hover {
    color: #cfe2ff;
}

h1,
h2,
h3,
h4 {
    letter-spacing: -0.02em;
}

h1:focus {
    outline: none;
}

code {
    color: #c6d4ff;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #ff9f9f;
    display: block;
    margin-top: 0.35rem;
}

.hero-card,
.panel-card,
.metric-card {
    background: linear-gradient(180deg, rgba(18, 23, 34, 0.96), rgba(13, 17, 25, 0.96));
    border: 1px solid var(--app-border);
    border-radius: 1.15rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.22);
}

.hero-card,
.panel-card {
    padding: 1rem;
}

.metric-card {
    min-height: 100%;
    padding: 0.95rem;
}

.metric-label,
.eyebrow {
    color: var(--app-text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.metric-value {
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1.1;
    margin-top: 0.35rem;
}

.letter-spaced {
    letter-spacing: 0.12em;
}

.metric-meta {
    color: var(--app-text-muted);
    font-size: 0.82rem;
    margin-top: 0.45rem;
}

.narrow-panel {
    margin-inline: auto;
    max-width: 56rem;
}

.status-pill {
    align-items: center;
    border: 1px solid transparent;
    border-radius: 999px;
    display: inline-flex;
    font-size: 0.74rem;
    font-weight: 600;
    gap: 0.45rem;
    padding: 0.28rem 0.58rem;
    white-space: nowrap;
}

.status-pill-ok {
    background: rgba(31, 170, 127, 0.15);
    border-color: rgba(31, 170, 127, 0.35);
    color: #9fe4c8;
}

.status-pill-warn {
    background: rgba(199, 138, 33, 0.15);
    border-color: rgba(199, 138, 33, 0.35);
    color: #f0c979;
}

.status-pill-error {
    background: rgba(192, 86, 92, 0.18);
    border-color: rgba(192, 86, 92, 0.35);
    color: #f7b0b5;
}

.status-pill-info {
    background: rgba(90, 166, 255, 0.16);
    border-color: rgba(90, 166, 255, 0.35);
    color: #b3d3ff;
}

.status-pill-muted {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: #d4d8de;
}

.empty-state {
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.12);
    border-radius: 0.9rem;
    color: var(--app-text-muted);
    padding: 1.2rem;
}

.server-table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--app-text);
    --bs-table-border-color: rgba(255, 255, 255, 0.08);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.03);
}

.server-table thead th {
    color: var(--app-text-muted);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.server-table.server-table-compact thead th {
    font-size: 0.72rem;
    padding-bottom: 0.5rem;
    padding-top: 0.5rem;
}

.server-table.server-table-compact td {
    font-size: 0.84rem;
    padding-bottom: 0.45rem;
    padding-top: 0.45rem;
}

.server-table.server-table-compact .small {
    font-size: 0.72rem !important;
}

.server-table .stale-row td {
    background: rgba(199, 138, 33, 0.08);
}

.form-control,
.form-check-input {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--app-text);
}

.form-control:focus,
.form-check-input:focus {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: rgba(61, 139, 253, 0.5);
    box-shadow: 0 0 0 0.25rem rgba(61, 139, 253, 0.16);
    color: var(--app-text);
}

.form-control::placeholder {
    color: #718092;
}

.btn-primary {
    background: linear-gradient(180deg, #3d8bfd, #2c74db);
    border-color: rgba(61, 139, 253, 0.72);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.18);
}

.compact-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.compact-card {
    background: linear-gradient(180deg, rgba(18, 23, 34, 0.94), rgba(13, 17, 25, 0.94));
    border: 1px solid var(--app-border);
    border-radius: 0.95rem;
    padding: 0.85rem 0.95rem;
}

.compact-card-value {
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 0.2rem;
}

.compact-card-meta {
    color: var(--app-text-muted);
    font-size: 0.78rem;
    margin-top: 0.3rem;
}

.compact-page-header h1 {
    font-size: 1.45rem;
    margin-bottom: 0.35rem !important;
}

.compact-page-header p {
    font-size: 0.88rem;
    max-width: 52rem;
}

.compact-form .form-label {
    font-size: 0.82rem;
    margin-bottom: 0.3rem;
}

.compact-form .form-control {
    font-size: 0.9rem;
    padding: 0.4rem 0.65rem;
}

.compact-panel-title {
    font-size: 1.1rem;
    margin-bottom: 0.15rem !important;
}

.compact-note {
    font-size: 0.8rem;
}

.subtle-panel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1rem;
    padding: 0.9rem 1rem;
}

.alert-success {
    background: rgba(31, 170, 127, 0.15);
    border-color: rgba(31, 170, 127, 0.35);
    color: #c9f5e3;
}

.alert-danger {
    background: rgba(192, 86, 92, 0.15);
    border-color: rgba(192, 86, 92, 0.35);
    color: #ffd5d8;
}

@media (max-width: 1199.98px) {
    .compact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-card,
    .panel-card,
    .metric-card {
        border-radius: 1rem;
    }
}

@media (max-width: 767.98px) {
    .compact-grid {
        grid-template-columns: 1fr;
    }
}