/* styles.css - Main stylesheet for Scandaluz platform */
/* Optimized for mobile-first design matching the exact mockup */

/* CSS Variables for easy customization */
:root {
    /* Brand Colors */
    --primary-color: #1976D2;
    --primary-dark: #1565C0;
    --primary-light: #42A5F5;
    
    /* Status Colors */
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --danger-color: #F44336;
    --orange-color: #FF9800;
    
    /* Neutral Colors */
    --background: #F5F5F5;
    --surface: #FFFFFF;
    --text-primary: #212121;
    --text-secondary: #757575;
    --border-color: #E0E0E0;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.16);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.19);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Container */
.app-container {
    min-height: 100vh;
    padding-bottom: 60px; /* Space for bottom navigation */
}

/* Header Styles */
.header {
    background-color: var(--surface);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.logo-container {
    flex: 1;
}

.logo {
    height: 40px;
    width: auto;
}

.search-button {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-button:hover {
    color: var(--text-primary);
}

/* Scanner Section */
.scanner-section {
    padding: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.scanner-container {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.camera-view {
    position: relative;
    width: 100%;
    height: 300px;
    background-color: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.camera-stream {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scan-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.scan-frame {
    width: 200px;
    height: 200px;
    border: 3px solid var(--primary-color);
    border-radius: var(--radius-md);
    position: relative;
}

.scan-frame::before,
.scan-frame::after {
    content: '';
    position: absolute;
    background-color: var(--primary-color);
}

.scan-frame::before {
    top: 50%;
    left: -10px;
    right: -10px;
    height: 2px;
    transform: translateY(-50%);
}

.scan-frame::after {
    left: 50%;
    top: -10px;
    bottom: -10px;
    width: 2px;
    transform: translateX(-50%);
}

.scan-instruction {
    color: white;
    background-color: rgba(0, 0, 0, 0.7);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Manual Entry */
.manual-entry {
    text-align: center;
}

.or-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.barcode-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    transition: border-color var(--transition-fast);
}

.barcode-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-button,
.scan-button {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 48px;
}

.submit-button:hover,
.scan-button:hover {
    background-color: var(--primary-dark);
}

.scan-button {
    margin-top: var(--spacing-lg);
}

/* Product Section */
.product-section {
    padding: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.product-name {
    text-align: center;
    font-size: var(--font-size-xxl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

/* Social Content Section */
.social-content {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.content-carousel {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--spacing-sm);
}

.content-carousel::-webkit-scrollbar {
    height: 4px;
}

.content-carousel::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 2px;
}

.content-carousel::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 2px;
}

.content-card {
    flex: 0 0 280px;
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    scroll-snap-align: start;
}

.content-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.content-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-icon {
    width: 0;
    height: 0;
    border-left: 20px solid white;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 4px;
}

.content-info {
    padding: var(--spacing-md);
}

.content-creator {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.content-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

/* Product Information */
.product-info {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.product-image-container {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.product-image {
    max-width: 200px;
    max-height: 200px;
    width: auto;
    height: auto;
    border-radius: var(--radius-md);
}

.info-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.info-list {
    display: grid;
    gap: var(--spacing-md);
}

.info-list dt {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.info-list dd {
    color: var(--text-primary);
    margin-left: 0;
}

/* Purchase Options */
.purchase-options {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.purchase-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.purchase-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.purchase-btn {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    background-color: var(--surface);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
}

.purchase-btn:hover {
    background-color: var(--background);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Back Button */
.back-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.back-button:hover {
    background-color: var(--background);
    transform: translateX(-4px);
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--surface);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-around;
    z-index: 100;
}

.nav-item {
    flex: 1;
    padding: var(--spacing-sm) 0;
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
    min-height: 56px;
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item:hover {
    color: var(--primary-color);
}

.nav-item span {
    font-size: var(--font-size-xs);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

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

.loading-text {
    color: white;
    margin-top: var(--spacing-md);
    font-size: var(--font-size-base);
}

/* Error Message */
.error-message {
    position: fixed;
    bottom: 80px;
    left: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--danger-color);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
}

.error-text {
    flex: 1;
}

.error-dismiss {
    background: none;
    border: none;
    color: white;
    font-weight: 600;
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal-content {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
}

.modal-title {
    padding: var(--spacing-lg);
    padding-right: 60px;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.modal-body {
    padding: var(--spacing-lg);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-success {
    color: var(--success-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-danger {
    color: var(--danger-color);
}

/* Responsive Design */
@media (min-width: 768px) {
    .header-content,
    .scanner-section,
    .product-section {
        max-width: 768px;
    }
    
    .purchase-buttons {
        flex-direction: row;
    }
    
    .content-carousel {
        gap: var(--spacing-lg);
    }
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for keyboard navigation */
button:focus,
input:focus,
a:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}