.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}

.card h3 {
    margin: 0 0 .5rem;
    font-size: .95rem;
    color: var(--muted);
    font-weight: 500;
}

.card .value {
    font-size: 1.8rem;
    font-weight: 700;
}

.card .value.ok { color: var(--ok); }
.card .value.bad { color: var(--danger); }

.panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.panel h2 {
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

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

th, td {
    text-align: left;
    padding: .65rem .5rem;
    border-bottom: 1px solid var(--border);
    font-size: .92rem;
}

th { color: var(--muted); font-weight: 500; }

.form-grid {
    display: grid;
    gap: 1rem;
}

label {
    display: grid;
    gap: .35rem;
    font-size: .9rem;
}

input[type=text], input[type=password], input[type=number], textarea, select {
    width: 100%;
    padding: .65rem .75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0f172a;
    color: var(--text);
    font: inherit;
}

textarea { min-height: 140px; resize: vertical; }

.btn {
    display: inline-block;
    padding: .6rem 1rem;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    font: inherit;
}

.btn-secondary { background: #334155; }
.btn-danger { background: var(--danger); }

.hint {
    color: var(--muted);
    font-size: .85rem;
    margin-top: .25rem;
}

.issue {
    padding: .85rem 1rem;
    border-radius: 8px;
    margin-bottom: .6rem;
    border-left: 4px solid;
}

.issue-critical { background: #3f1d1d; border-color: var(--danger); }
.issue-warning { background: #3f361d; border-color: var(--warn); }
.issue-info { background: #1d2a3f; border-color: var(--accent); }

.issue strong { display: block; margin-bottom: .25rem; }

.inline-form {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    align-items: end;
}

.inline-form label { flex: 1; min-width: 140px; }

.login-box {
    width: min(420px, 92vw);
    margin: 10vh auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
}

.login-box h1 {
    margin: 0 0 1.5rem;
    font-size: 1.4rem;
}

:root {
    --bg: #0b1220;
    --card: #111827;
    --border: #1f2937;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --accent: #3b82f6;
    --ok: #22c55e;
    --warn: #f59e0b;
    --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
}

.login-page { display: block; }

.sidebar {
    width: 220px;
    background: #0f172a;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: sticky;
    top: 0;
}

.brand {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.brand strong { display: block; }
.brand span { color: var(--muted); font-size: .85rem; }

.sidebar nav { flex: 1; padding: .75rem; }

.sidebar nav a {
    display: block;
    padding: .55rem .75rem;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    margin-bottom: .2rem;
    font-size: .92rem;
}

.sidebar nav a:hover { background: #1e293b; }
.sidebar nav a.active { background: var(--accent); color: #fff; }

.sidebar-foot {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.sidebar-foot a { color: var(--muted); }

.content {
    flex: 1;
    padding: 1.5rem;
    max-width: 1100px;
}

.alert {
    padding: .75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-success { background: #14532d; }
.alert-error { background: #7f1d1d; }

pre.output {
    background: #020617;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    overflow: auto;
    white-space: pre-wrap;
}