:root {
    color-scheme: light;
    --bg: #f6f8fb;
    --surface: #ffffff;
    --border: #d8e0ea;
    --text: #16233a;
    --muted: #65728a;
    --accent: #1457d9;
    --accent-dark: #0f43a8;
    --danger: #b42318;
    --success: #067647;
    --warning: #b54708;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
}

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

button,
input,
select {
    font: inherit;
}

.topbar {
    align-items: center;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    min-height: 56px;
    padding: 0 32px;
}

.brand {
    color: var(--text);
    font-weight: 700;
}

.nav {
    align-items: center;
    display: flex;
    gap: 20px;
}

.main {
    margin: 0 auto;
    max-width: 1180px;
    padding: 32px;
}

.page-header {
    align-items: center;
    display: flex;
    gap: 20px;
    justify-content: space-between;
    margin-bottom: 20px;
}

.page-header h1,
.auth-panel h1 {
    font-size: 26px;
    line-height: 1.2;
    margin: 4px 0 0;
}

.eyebrow {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
    margin: 0;
    text-transform: uppercase;
}

.actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.primary-button,
.secondary-button,
.link-button {
    align-items: center;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    min-height: 36px;
    padding: 8px 14px;
}

.primary-button {
    background: var(--accent);
    border: 1px solid var(--accent);
    color: #fff;
    font-weight: 700;
}

.primary-button:hover {
    background: var(--accent-dark);
}

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

.link-button {
    background: transparent;
    border: 0;
    color: var(--accent);
    padding: 0;
}

.metric-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 20px;
}

.metric,
.panel,
.auth-panel,
.table-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.metric {
    padding: 18px;
}

.metric span,
.muted {
    color: var(--muted);
}

.metric strong {
    display: block;
    font-size: 24px;
    margin-top: 6px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    border-bottom: 1px solid var(--border);
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
    white-space: nowrap;
}

th {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

td strong,
td .muted {
    display: block;
}

.row-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.empty {
    color: var(--muted);
    text-align: center;
}

.pill {
    background: #eef2f7;
    border-radius: 999px;
    color: var(--muted);
    display: inline-flex;
    font-weight: 700;
    padding: 4px 10px;
}

.health-healthy {
    background: #dcfae6;
    color: var(--success);
}

.health-unhealthy {
    background: #fee4e2;
    color: var(--danger);
}

.health-unknown {
    background: #fff2cc;
    color: var(--warning);
}

.auth-panel,
.panel {
    padding: 24px;
}

.auth-panel {
    margin: 64px auto 0;
    max-width: 420px;
}

.form-grid {
    display: grid;
    gap: 12px;
}

label span {
    color: var(--muted);
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
}

input,
select {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    min-height: 40px;
    padding: 8px 10px;
    width: 100%;
}

.validation,
.field-validation {
    color: var(--danger);
}

.detail-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel h2 {
    font-size: 18px;
    margin: 0 0 16px;
}

dl {
    display: grid;
    gap: 12px;
    grid-template-columns: 140px 1fr;
    margin: 0;
}

dt {
    color: var(--muted);
    font-weight: 700;
}

dd {
    margin: 0;
    overflow-wrap: anywhere;
}

@media (max-width: 760px) {
    .topbar,
    .page-header,
    .nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .topbar {
        gap: 12px;
        padding: 16px;
    }

    .main {
        padding: 20px;
    }

    .metric-grid,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    dl {
        grid-template-columns: 1fr;
    }
}