/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
    body::before {
        display: none;
    }

    .page-wrapper {
        background: var(--color-white);
    }

    /* .banner {
        height: 120px;
    }
 */
    .main-card {
        width: 100%;
        max-width: 100%;
        margin: 0 auto var(--space-xl);
        border-radius: 0;
    }

    .header {
        padding: var(--space-sm) var(--space-sm) 0;
        min-height: 100px;
    }

    .atar-banner {
        object-fit: cover;
        top: var(--space-sm);
        left: var(--space-sm);
        width: calc(100% - 2 * var(--space-sm));
        height: 100px;
    }

    .atar-logo {
        width: 82%;
        max-width: 460px;
        top: 54%;
        transform: translate(-50%, -50%);
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .steps {
        padding: var(--space-lg) var(--space-sm);
    }

    .step {
        min-width: 70px;
    }

    .step-number {
        width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }

    .step-label {
        font-size: 0.75rem;
    }

    .step-line {
        max-width: 60px;
        margin-top: 18px;
    }

    .step-content {
        padding: 0 var(--space-sm) var(--space-lg);
    }

    .subjects-card {
        padding: var(--space-sm);
        border-radius: var(--radius-md);
    }

    .result-box {
        padding: var(--space-md);
        border-radius: var(--radius-md);
    }

    .subject-row {
        flex-wrap: wrap;
    }

    .subject-select-wrapper {
        width: 100%;
        flex: none;
    }

    .input-container {
        flex: 0 0 100%;
        width: 100%;
        padding-right: 0;
    }

    .btn-remove {
        width: 32px;
        height: 32px;
    }

    .atar-value {
        font-size: 1.75rem;
    }

    .report-actions {
        flex-direction: column;
        align-items: stretch;
    }

}

@media (max-width: 480px) {
    .step-content {
        padding-left: var(--space-xs);
        padding-right: var(--space-xs);
    }

    .subjects-card,
    .result-box {
        padding-left: var(--space-sm);
        padding-right: var(--space-sm);
    }

    .subjects-header {
        flex-direction: row;
        align-items: center;
    }

    .mode-select {
        flex-direction: row;
        align-items: center;
    }

    .mode-select .choices {
        width: 100%;
        min-width: 0;
    }

    .mode-select select {
        width: 100%;
    }

    .subject-slider {
        gap: 6px;
    }

    .subject-slider-range .grade-track {
        min-width: 82px;
        padding-left: 6px;
        padding-right: 6px;
    }

    .subject-slider-single .grade-track {
        padding-left: 0;
        padding-right: 6px;
    }

    .slider-control-group {
        gap: 4px;
    }

    .input-container .slider-btn {
        width: 30px;
        height: 30px;
        min-width: 30px;
        min-height: 30px;
    }
}

.grade-hint {
    font-size: 0.85rem;
    color: #666;
    margin: 0.5rem 0 0;
    font-style: italic;
    text-align: center;
}

@media (max-width: 768px) {
    .qtac-remind-me { 
        flex-direction: column-reverse;
        padding: var(--space-md);
    }
    
    .reminder-content {
        padding: var(--space-sm);
        align-items: center;
    }
    
    .reminder-content > * {
        width: 100%;
    }

    .site-footer {
        padding: var(--space-xl) var(--space-md) var(--space-md);
    }

    .footer-top,
    .footer-main,
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .footer-nav ul {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .footer-acknowledgment {
        max-width: 100%;
        text-align: center;
        justify-items: center;
    }

    .footer-actions {
        flex-direction: column;
        width: 100%;
    }
}