body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f6f8fb;
    color: #1f2937;
}

.site-header {
    background: #0f172a;
    color: white;
    padding: 24px 0;
}

.container {
    width: min(1000px, 92%);
    margin: 0 auto;
}

.subtitle {
    margin-top: 8px;
    color: #cbd5e1;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 24px;
    margin: 24px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.actions {
    margin-top: 20px;
}

.button {
    display: inline-block;
    background: #2563eb;
    color: white;
    text-decoration: none;
    padding: 12px 18px;
    border-radius: 8px;
    font-weight: bold;
}

.button:hover {
    background: #1d4ed8;
}

ul {
    padding-left: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-grid label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-weight: 600;
}

.form-grid .full {
    grid-column: 1 / -1;
}

input, textarea {
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font: inherit;
}

.alert {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.alert.error {
    background: #fee2e2;
    color: #991b1b;
}