:root {
    --bg: #f3f6fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #0f172a;
    --muted: #475569;
    --line: #dbe3ee;
    --brand: #1d4ed8;
    --brand-dark: #1e3a8a;
    --success: #0f766e;
    --warn: #a16207;
    --danger: #b91c1c;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at 5% 5%, #dbeafe 0%, transparent 25%),
        radial-gradient(circle at 95% 0%, #e0e7ff 0%, transparent 20%),
        var(--bg);
    color: var(--text);
}

.page {
    max-width: 960px;
    margin: 2.5rem auto;
    padding: 0 1rem;
}

.hero {
    margin-bottom: 1rem;
}

.hero h1 {
    margin: 0;
    font-size: 1.9rem;
}

.hero p {
    margin: .4rem 0 0;
    color: var(--muted);
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.2rem;
}

.panel {
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1rem;
}

.grid {
    display: grid;
    gap: .9rem;
}

.badge {
    display: inline-block;
    padding: .2rem .6rem;
    border-radius: 999px;
    background: #e2e8f0;
    color: #0f172a;
    font-size: .83rem;
    font-weight: 700;
}

.ampel {
    display: inline-block;
    padding: .35rem .7rem;
    border-radius: 999px;
    font-size: .84rem;
    font-weight: 700;
    color: #fff;
}

.ampel.gruen {
    background: var(--success);
}

.ampel.gelb {
    background: var(--warn);
}

.ampel.rot {
    background: var(--danger);
}

.status-ok {
    color: var(--success);
    font-weight: 700;
}

.status-warn {
    color: var(--danger);
    font-weight: 700;
}

.muted {
    color: var(--muted);
}

label {
    display: block;
    margin-bottom: .35rem;
    font-weight: 600;
}

input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    padding: .7rem .75rem;
    font-size: .95rem;
}

.radio-row {
    display: flex;
    gap: 1.2rem;
    margin-top: .6rem;
}

.radio-row label {
    font-weight: 500;
    margin: 0;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    margin-top: 1rem;
}

.btn {
    display: inline-block;
    border: 0;
    border-radius: 10px;
    padding: .68rem .95rem;
    text-decoration: none;
    cursor: pointer;
    background: var(--brand);
    color: #fff;
    font-weight: 600;
}

.btn:hover {
    background: var(--brand-dark);
}

.btn-secondary {
    background: #e2e8f0;
    color: #0f172a;
}

.btn-danger {
    background: #0f172a;
}

.error {
    margin-bottom: .8rem;
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
    padding: .7rem .8rem;
    border-radius: 10px;
}

.plain-list {
    margin: .4rem 0 0;
    padding-left: 1.1rem;
}

.plain-list li {
    margin-bottom: .35rem;
}