.auth-shell {
    max-width: 460px;
    margin: 0 auto;
    min-height: 100vh;
    padding: 20px 16px 110px;
    background: var(--bg);
}

.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.auth-hero {
    background: radial-gradient(circle at top right, rgba(245, 158, 11, .18), transparent 35%), linear-gradient(160deg, #0f766e 0%, #155e75 100%);
    color: white;
    padding: 22px;
}

.auth-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .16);
    font-size: var(--text-sm);
    margin-bottom: 14px;
}

.auth-hero h1 {
    margin: 0 0 8px;
    font-size: clamp(28px, 6vw, 34px);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.auth-hero p {
    margin: 0;
    color: rgba(255, 255, 255, .86);
    line-height: 1.5;
    font-size: var(--text-sm);
}

.auth-body {
    padding: 18px 16px 20px;
    display: grid;
    gap: 18px;
}

.form-section {
    display: grid;
    gap: 12px;
}

.section-heading {
    margin: 0;
    font-size: var(--text-lg);
    letter-spacing: -0.03em;
}

.helper {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--muted);
    line-height: 1.5;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.choice-card {
    position: relative;
}

.choice-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.choice-card label {
    min-height: 124px;
    border-radius: 24px;
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.choice-card label::before {
    content: '';
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: white;
    align-self: flex-end;
}

.choice-emoji {
    font-size: 24px;
}

.choice-title {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.choice-text {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.45;
}

.choice-card input[type="radio"]:checked+label {
    border-color: var(--primary);
    background: #eef8f7;
}

.choice-card input[type="radio"]:checked+label::before {
    border-color: var(--primary);
    background: radial-gradient(circle at center, var(--primary) 0 45%, white 46% 100%);
}

.field-block {
    display: grid;
    gap: 8px;
}

.field-block label,
.checkbox-row label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text);
}

.field-block input[type="text"],
.field-block input[type="tel"],
.field-block textarea {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    min-height: 52px;
    padding: 14px 16px;
    color: var(--text);
    font-size: var(--text-sm);
    width: 100%;
}

.field-block textarea {
    min-height: 120px;
    resize: vertical;
}

.field-block input:focus,
.field-block textarea:focus,
.checkbox-row input:focus {
    outline: 2px solid rgba(15, 118, 110, 0.18);
    outline-offset: 2px;
    border-color: var(--primary);
}

.form-errors,
.field-error {
    color: var(--danger);
    font-size: 13px;
    line-height: 1.4;
}

.field-grid {
    display: grid;
    gap: 12px;
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 18px;
}

.checkbox-row input[type="checkbox"] {
    margin-top: 2px;
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.submit-bar {
    display: grid;
    gap: 10px;
}

.submit-btn {
    min-height: 52px;
    border-radius: 18px;
    border: 0;
    background: var(--primary);
    color: white;
    font-weight: 800;
    font-size: var(--text-sm);
    box-shadow: var(--shadow);
}

.submit-note {
    text-align: center;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
}

@media (min-width: 900px) {
    .auth-shell {
        max-width: 760px;
        padding-top: 32px;
    }

    .auth-body {
        padding: 24px;
    }

    .field-grid.two-col {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}