* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f7fb;
    color: #1f2937;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}
.hero, .card {
    background: #fff;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.06);
    margin-bottom: 24px;
}
h1, h2, h3 { margin-top: 0; }
.form-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
input[type="text"], textarea {
    flex: 1;
    min-width: 260px;
    padding: 14px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    font-size: 16px;
    width: 100%;
}
button, .button-link {
    display: inline-block;
    padding: 14px 20px;
    background: #0f172a;
    color: #fff;
    border: 0;
    border-radius: 12px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
}
button:hover, .button-link:hover { opacity: 0.92; }
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}
.check {
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 18px;
}
.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: bold;
}
.pass { background: #dcfce7; color: #166534; }
.warn { background: #fef3c7; color: #92400e; }
.fail { background: #fee2e2; color: #991b1b; }
.score {
    font-size: 52px;
    font-weight: bold;
    margin: 0;
}
.muted { color: #64748b; }
.error {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px 14px;
    border-radius: 12px;
    margin-top: 16px;
}
.success {
    background: #dcfce7;
    color: #166534;
    padding: 12px 14px;
    border-radius: 12px;
    margin-top: 16px;
}
.successbox {
    background: #f8fafc;
    border-radius: 16px;
    padding: 20px;
    margin-top: 20px;
}
pre {
    white-space: pre-wrap;
    background: #0f172a;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 16px;
    overflow: auto;
}
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
}
.small { font-size: 14px; }
.nav { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }