body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #0f172a;
    color: #e2e8f0;
}

.container {
    width: min(1100px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    background: #020617;
    color: #f8fafc;
    padding: 1rem 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-header a {
    color: #f8fafc;
    text-decoration: none;
    margin-right: 1rem;
}

.site-header nav a.active {
    border-bottom: 2px solid #f59e0b;
}

.site-footer {
    background: #020617;
    color: #cbd5e1;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.hero {
    padding: 2rem 0 1rem;
}

.layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.card {
    background: #111827;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 10px 30px rgba(2, 6, 23, 0.45);
    margin-bottom: 1rem;
}

.meta {
    color: #94a3b8;
    font-size: 0.9rem;
}

input, textarea, select, button {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid #334155;
    margin-top: 0.25rem;
    box-sizing: border-box;
    background: #0f172a;
    color: #e2e8f0;
}

button {
    width: auto;
    background: #2563eb;
    color: white;
    border: none;
    cursor: pointer;
}

.message.success { color: #4ade80; }
.message.error { color: #f87171; }

@media (max-width: 768px) {
    .layout {
        grid-template-columns: 1fr;
    }
}