* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #111;
    color: #f5f5f5;
}

.container {
    width: min(900px, 92%);
    margin: 40px auto;
}

.hero {
    margin-bottom: 24px;
}

.card {
    background: #1b1b1b;
    border: 1px solid #2d2d2d;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.stack > * + * {
    margin-top: 16px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

textarea,
select,
button {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #444;
    background: #222;
    color: #fff;
}

button,
.button-link {
    display: inline-block;
    text-decoration: none;
    cursor: pointer;
    font-weight: bold;
}

.result-image {
    width: 100%;
    max-width: 100%;
    border-radius: 10px;
    border: 1px solid #333;
}

.muted {
    color: #aaa;
}

.status {
    padding: 12px;
    border-radius: 8px;
}

.status-success {
    background: #17351f;
    border: 1px solid #2d6a3d;
}

.status-error {
    background: #3a1717;
    border: 1px solid #7a2d2d;
}