.certverify-wrap {
    --cv-primary: #6366f1;
    --cv-primary-hover: #4f46e5;
    --cv-radius: 16px;
    --cv-shadow: 0 8px 32px rgba(15, 23, 42, 0.1);
    --cv-success-bg: #ecfdf5;
    --cv-success-border: #22c55e;
    --cv-error-bg: #fef2f2;
    --cv-error-border: #ef4444;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 440px;
    margin: 1.5rem auto;
    box-sizing: border-box;
}

.certverify-wrap *,
.certverify-wrap *::before,
.certverify-wrap *::after {
    box-sizing: border-box;
}

.certverify-card {
    background: #fff;
    border-radius: var(--cv-radius);
    box-shadow: var(--cv-shadow);
    padding: 2rem 1.75rem;
    border: 1px solid #e2e8f0;
}

.certverify-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.certverify-logo {
    max-width: 160px;
    max-height: 72px;
    object-fit: contain;
    margin: 0 auto 1rem;
    display: block;
}

.certverify-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 0.35rem;
    line-height: 1.3;
}

.certverify-org {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--cv-primary);
    margin: 0 0 0.5rem;
}

.certverify-subtitle {
    font-size: 0.875rem;
    color: #64748b;
    margin: 0;
    line-height: 1.5;
}

.certverify-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.4rem;
}

.certverify-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.certverify-input:focus {
    outline: none;
    border-color: var(--cv-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cv-primary) 20%, transparent);
}

.certverify-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
}

.certverify-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.certverify-btn--primary {
    background: var(--cv-primary);
    color: #fff;
}

.certverify-btn--primary:hover:not(:disabled) {
    background: var(--cv-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--cv-primary) 35%, transparent);
}

.certverify-btn--download {
    background: #fff;
    color: var(--cv-primary);
    border: 2px solid var(--cv-primary);
    margin-top: 0.5rem;
}

.certverify-btn--download:hover {
    background: color-mix(in srgb, var(--cv-primary) 8%, #fff);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.certverify-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1.45;
    margin-bottom: 1rem;
    border-left: 4px solid transparent;
    animation: certverify-fade-in 0.25s ease;
}

.certverify-alert--hidden {
    display: none;
}

.certverify-alert--success {
    background: var(--cv-success-bg);
    border-left-color: var(--cv-success-border);
    color: #166534;
}

.certverify-alert--error {
    background: var(--cv-error-bg);
    border-left-color: var(--cv-error-border);
    color: #991b1b;
}

.certverify-alert-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.1rem;
}

.certverify-alert--success .certverify-alert-icon::before {
    content: '✓';
    font-weight: 700;
}

.certverify-alert--error .certverify-alert-icon::before {
    content: '!';
    font-weight: 700;
}

.certverify-download--hidden {
    display: none;
}

.certverify-download:not(.certverify-download--hidden) {
    animation: certverify-fade-in 0.3s ease;
}

.certverify-spinner {
    width: 1.1rem;
    height: 1.1rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: certverify-spin 0.7s linear infinite;
}

.certverify-spinner--hidden {
    display: none;
}

@keyframes certverify-spin {
    to { transform: rotate(360deg); }
}

@keyframes certverify-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .certverify-alert,
    .certverify-download:not(.certverify-download--hidden),
    .certverify-btn--primary:hover:not(:disabled),
    .certverify-btn--download:hover {
        animation: none;
        transform: none;
    }
}