* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #1b1b17;
    color: #f4eddc;
}

.site-header {
    background: #2d2619;
    padding: 14px 18px;
    border-bottom: 1px solid #665533;
}

.site-header h1 {
    margin: 0;
    font-size: 1.35rem;
}

.container {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: 18px;
}

.card {
    background: #2a2a24;
    border: 1px solid #5d5136;
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 16px;
}

.card h2,
.card h3 {
    margin-top: 0;
}

label {
    display: block;
    margin-top: 12px;
    margin-bottom: 5px;
    font-weight: bold;
}

input,
textarea,
select,
button {
    width: 100%;
    font-size: 1rem;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #7b6a43;
}

input,
textarea,
select {
    background: #f8f3e7;
    color: #1b1b17;
}

button,
.btn {
    display: inline-block;
    text-align: center;
    background: #8a682f;
    color: #fff;
    border: none;
    cursor: pointer;
    text-decoration: none;
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
}

button:hover,
.btn:hover {
    background: #a77e39;
}

.error {
    background: #5a1f1f;
    border: 1px solid #a44;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 12px;
}

.success {
    background: #1f4b2a;
    border: 1px solid #4a6;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 12px;
}

.nav-links {
    margin-top: 10px;
}

.nav-links a {
    color: #e5c16a;
    margin-right: 12px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.stat {
    background: #1f1f1a;
    border: 1px solid #4f452e;
    border-radius: 8px;
    padding: 10px;
}

.stat strong {
    display: block;
    color: #e5c16a;
}

@media (max-width: 600px) {
    .container {
        padding: 12px;
    }

    .card {
        padding: 14px;
    }

    .site-header h1 {
        font-size: 1.15rem;
    }

    .stat-grid {
        grid-template-columns: 1fr;
    }
}