/*
 * Modern Blue Survey Theme - Responsive Styles
 * Version: 1.0.0
 *
 * Mobile-first responsive design
 * Breakpoints:
 * - Mobile: < 576px
 * - Tablet: 576px - 991px
 * - Desktop: >= 992px
 */

/* ==================== LARGE DESKTOP (1400px+) ==================== */
@media (min-width: 1400px) {
    .survey_modern_blue .container {
        max-width: 1400px;
    }

    .survey_modern_blue .welcome-title,
    .survey_modern_blue .survey-title {
        font-size: 3.5rem;
    }
}

/* ==================== DESKTOP (992px - 1399px) ==================== */
@media (min-width: 992px) and (max-width: 1399px) {
    .survey_modern_blue .container {
        max-width: 1200px;
    }
}

/* ==================== TABLET (768px - 991px) ==================== */
@media (max-width: 991px) {
    /* Reduce container padding */
    .survey_modern_blue .container-fluid,
    .survey_modern_blue .container {
        padding-left: var(--spacing-4);
        padding-right: var(--spacing-4);
    }

    /* Reduce heading sizes */
    .survey_modern_blue h1,
    .survey_modern_blue .h1,
    .survey_modern_blue .welcome-title {
        font-size: var(--font-size-2xl);
    }

    .survey_modern_blue h2,
    .survey_modern_blue .h2 {
        font-size: var(--font-size-xl);
    }

    /* Product card - reduce gap */
    .survey_modern_blue .product-card,
    .survey_modern_blue .question-with-image {
        gap: var(--spacing-4);
    }

    /* Question container padding */
    .survey_modern_blue .question-container,
    .survey_modern_blue .group-container {
        padding: var(--spacing-6);
    }

    /* Navigation buttons - stack on smaller tablets */
    .survey_modern_blue .navigation-buttons,
    .survey_modern_blue .survey-navigation {
        flex-wrap: wrap;
        gap: var(--spacing-3);
    }
}

/* ==================== MOBILE LANDSCAPE & SMALL TABLET (576px - 767px) ==================== */
@media (max-width: 767px) {
    /* Stack product card layout */
    .survey_modern_blue .product-card,
    .survey_modern_blue .question-with-image {
        flex-direction: column;
        gap: var(--spacing-4);
    }

    /* Full width product image */
    .survey_modern_blue .product-image,
    .survey_modern_blue .question-image {
        flex: 1 1 100%;
        max-width: 100%;
        width: 100%;
    }

    /* Product content full width */
    .survey_modern_blue .product-content,
    .survey_modern_blue .question-content {
        width: 100%;
    }

    /* Reduce font sizes */
    .survey_modern_blue .welcome-title,
    .survey_modern_blue .survey-title {
        font-size: var(--font-size-xl);
    }

    .survey_modern_blue .welcome-subtitle {
        font-size: var(--font-size-base);
    }

    /* Question text */
    .survey_modern_blue .question-text,
    .survey_modern_blue .question-title {
        font-size: var(--font-size-lg);
    }

    /* Container padding */
    .survey_modern_blue .question-container,
    .survey_modern_blue .group-container {
        padding: var(--product-card-padding-mobile);
    }

    /* Logo/brand text */
    .survey_modern_blue .navbar-brand,
    .survey_modern_blue .logo-text {
        font-size: var(--font-size-xl);
    }

    /* Button sizing */
    .survey_modern_blue .btn,
    .survey_modern_blue button {
        width: 100%;
        justify-content: center;
    }

    /* Navigation buttons - full width stack */
    .survey_modern_blue .navigation-buttons,
    .survey_modern_blue .survey-navigation {
        flex-direction: column;
        gap: var(--spacing-3);
    }

    .survey_modern_blue .btn-previous,
    .survey_modern_blue .btn-next {
        width: 100%;
        margin: 0;
    }
}

/* ==================== MOBILE PORTRAIT (< 576px) ==================== */
@media (max-width: 575px) {
    /* Further reduce spacing */
    .survey_modern_blue .container-fluid,
    .survey_modern_blue .container {
        padding-left: var(--container-padding-mobile);
        padding-right: var(--container-padding-mobile);
    }

    /* Main content spacing */
    .survey_modern_blue #main-content {
        padding-top: var(--spacing-6);
        padding-bottom: var(--spacing-8);
    }

    /* Welcome container */
    .survey_modern_blue .welcome-container {
        padding: var(--spacing-6) var(--spacing-3);
    }

    /* Title sizes */
    .survey_modern_blue .welcome-title,
    .survey_modern_blue .survey-title {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-4);
    }

    .survey_modern_blue h1,
    .survey_modern_blue .h1 {
        font-size: var(--font-size-lg);
    }

    .survey_modern_blue h2,
    .survey_modern_blue .h2 {
        font-size: var(--font-size-md);
    }

    .survey_modern_blue h3,
    .survey_modern_blue .h3 {
        font-size: var(--font-size-base);
    }

    /* Question container */
    .survey_modern_blue .question-container,
    .survey_modern_blue .group-container {
        padding: var(--spacing-4);
        margin-bottom: var(--spacing-6);
        border-radius: var(--radius-base);
    }

    /* Product card spacing */
    .survey_modern_blue .product-card,
    .survey_modern_blue .question-with-image {
        gap: var(--spacing-3);
    }

    /* Product name */
    .survey_modern_blue .product-name {
        font-size: var(--font-size-base);
        margin: var(--spacing-4) 0 var(--spacing-3) 0;
    }

    /* Product description */
    .survey_modern_blue .product-description {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-4);
    }

    /* Form elements */
    .survey_modern_blue input[type="text"],
    .survey_modern_blue input[type="email"],
    .survey_modern_blue input[type="number"],
    .survey_modern_blue textarea,
    .survey_modern_blue select,
    .survey_modern_blue .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
        padding: var(--spacing-3);
    }

    /* Buttons */
    .survey_modern_blue .btn,
    .survey_modern_blue button {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-base);
    }

    /* Logo */
    .survey_modern_blue .navbar-brand,
    .survey_modern_blue .logo-text {
        font-size: var(--font-size-lg);
        letter-spacing: var(--letter-spacing-normal);
    }

    /* Header padding */
    .survey_modern_blue #survey-nav,
    .survey_modern_blue .navbar {
        padding-top: var(--spacing-4);
        padding-bottom: var(--spacing-3);
    }

    /* Progress bar */
    .survey_modern_blue .progress-container {
        margin-top: var(--spacing-3);
    }

    /* Footer */
    .survey_modern_blue .survey-footer,
    .survey_modern_blue footer {
        margin-top: var(--spacing-8);
        padding: var(--spacing-6) 0;
        font-size: var(--font-size-xs);
    }

    /* Radio and checkbox items */
    .survey_modern_blue .radio-item,
    .survey_modern_blue .checkbox-item {
        padding: var(--spacing-2) var(--spacing-3);
    }

    /* Alert messages */
    .survey_modern_blue .alert {
        padding: var(--spacing-3);
        font-size: var(--font-size-sm);
    }
}

/* ==================== VERY SMALL MOBILE (< 375px) ==================== */
@media (max-width: 374px) {
    /* Further reduce all spacing */
    .survey_modern_blue .container-fluid,
    .survey_modern_blue .container {
        padding-left: var(--spacing-3);
        padding-right: var(--spacing-3);
    }

    .survey_modern_blue .question-container,
    .survey_modern_blue .group-container {
        padding: var(--spacing-3);
    }

    .survey_modern_blue .welcome-title,
    .survey_modern_blue .survey-title {
        font-size: var(--font-size-md);
    }

    .survey_modern_blue .navbar-brand,
    .survey_modern_blue .logo-text {
        font-size: var(--font-size-base);
    }
}

/* ==================== LANDSCAPE ORIENTATION OPTIMIZATIONS ==================== */
@media (max-height: 500px) and (orientation: landscape) {
    /* Reduce vertical spacing in landscape mode */
    .survey_modern_blue .welcome-container {
        padding-top: var(--spacing-4);
        padding-bottom: var(--spacing-4);
    }

    .survey_modern_blue #main-content {
        padding-top: var(--spacing-4);
        padding-bottom: var(--spacing-6);
    }

    .survey_modern_blue .question-container,
    .survey_modern_blue .group-container {
        margin-bottom: var(--spacing-4);
    }
}

/* ==================== TOUCH DEVICE OPTIMIZATIONS ==================== */
@media (hover: none) and (pointer: coarse) {
    /* Increase tap target sizes for touch devices */
    .survey_modern_blue .btn,
    .survey_modern_blue button,
    .survey_modern_blue input[type="submit"] {
        min-height: 48px; /* WCAG AA minimum */
        padding: var(--spacing-4) var(--spacing-6);
    }

    .survey_modern_blue input[type="radio"],
    .survey_modern_blue input[type="checkbox"] {
        width: 24px;
        height: 24px;
    }

    .survey_modern_blue .radio-item,
    .survey_modern_blue .checkbox-item {
        padding: var(--spacing-4);
        min-height: 48px;
    }

    /* Remove hover effects on touch devices */
    .survey_modern_blue .question-container:hover {
        background: var(--container-bg);
        box-shadow: var(--shadow-lg);
        border-color: var(--border-color-base);
    }

    .survey_modern_blue .product-image:hover img,
    .survey_modern_blue .question-image:hover img {
        transform: none;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .survey_modern_blue body {
        background: white !important;
        color: black !important;
    }

    .survey_modern_blue .question-container,
    .survey_modern_blue .group-container {
        background: white !important;
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }

    .survey_modern_blue .navigation-buttons,
    .survey_modern_blue .survey-navigation,
    .survey_modern_blue .progress-container {
        display: none !important;
    }

    /* Ensure content is readable */
    .survey_modern_blue * {
        color: black !important;
    }

    .survey_modern_blue .question-text,
    .survey_modern_blue .welcome-title {
        color: #000 !important;
    }
}

/* ==================== HIGH CONTRAST MODE ==================== */
@media (prefers-contrast: high) {
    .survey_modern_blue .question-container,
    .survey_modern_blue .group-container {
        border-width: 2px;
        border-color: var(--corporate-primary);
    }

    .survey_modern_blue input[type="text"],
    .survey_modern_blue input[type="email"],
    .survey_modern_blue textarea,
    .survey_modern_blue select {
        border-width: 2px;
    }

    .survey_modern_blue .btn,
    .survey_modern_blue button {
        border-width: 2px;
    }
}

/* ==================== REDUCED MOTION ==================== */
@media (prefers-reduced-motion: reduce) {
    .survey_modern_blue *,
    .survey_modern_blue *::before,
    .survey_modern_blue *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .survey_modern_blue .loading-spinner {
        animation: none;
        border-top-color: var(--corporate-primary);
    }
}