/* ── Cổng Thí sinh /thisinh ── */
.thisinh-auth-card {
    background: #ffffff;
}

.thisinh-qr-reader {
    min-height: 280px;
    background: #0f172a;
}

.thisinh-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e40af 55%, #6d28d9 100%);
    color: #fff;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.thisinh-feature-card {
    transition: transform .2s ease, box-shadow .2s ease;
    cursor: pointer;
    height: 100%;
}

.thisinh-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.15);
}

.thisinh-readonly-field .mud-input-root {
    background-color: #f1f5f9;
}

@media (max-width: 600px) {
    .thisinh-qr-reader { min-height: 220px; }
}