:root {
    color-scheme: light;
    font-family:
        "Segoe UI",
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;
    line-height: 1.5;
    font-weight: 400;
    color: #1f2933;
    background: #f5f7fb;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 2rem 1.25rem 4rem;
    background:
        radial-gradient(circle at top right, rgba(25, 143, 209, 0.12), transparent 28%),
        linear-gradient(180deg, #f7fafc 0%, #eef3f8 100%);
}

.test-shell {
    max-width: 880px;
    margin: 0 auto;
}

.test-header {
    margin-bottom: 1.5rem;
}

.test-header h1 {
    margin: 0 0 0.35rem;
    font-size: 1.65rem;
}

.test-header p {
    margin: 0;
    color: #52606d;
}

.wizard {
    padding: 1.5rem;
    border: 1px solid #d9e2ec;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

.wizard-content {
    min-height: 14rem;
}

.wizard-step label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #243b53;
}

.wizard-step + .wizard-step {
    margin-top: 1rem;
}

input,
textarea,
select {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background: #fff;
    color: #102a43;
    font: inherit;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #198fd1;
    box-shadow: 0 0 0 3px rgba(25, 143, 209, 0.16);
}

textarea {
    min-height: 8rem;
    resize: vertical;
}

#status {
    margin-top: 1rem;
    color: #486581;
    font-size: 0.95rem;
}