/* Mobile-first design with Dark Mode */
:root {
    --primary-color: #6366f1;
    --secondary-color: #1e293b;
    --accent-color: #818cf8;
    --text-color: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --light-gray: #0f172a;
    --dark-gray: #1e293b;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-color);
    background-color: var(--light-gray);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.app-container.active {
    opacity: 1;
}

/* Login Screen */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.login-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.login-container {
    width: 90%;
    max-width: 400px;
    text-align: center;
    padding: 2rem;
    background-color: rgba(30, 41, 59, 0.8);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.login-logo {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-container h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.login-container p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.code-input-container {
    position: relative;
    margin-bottom: 2rem;
}

#code-input {
    width: 100%;
    padding: 1rem;
    background-color: var(--dark-gray);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-color);
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 0.5rem;
    outline: none;
    transition: var(--transition);
}

#code-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.code-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    background-color: var(--border-color);
    border-radius: 50%;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

.login-error {
    color: var(--error-color);
    margin-top: 1rem;
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.login-error.show {
    opacity: 1;
}

/* Header */
.app-header {
    background-color: var(--dark-gray);
    padding: 1rem;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    height: 60px;
    backdrop-filter: blur(10px);
    background-color: rgba(30, 41, 59, 0.9);
}

.app-header h1 {
    font-size: 1.5rem;
    color: #ffffff;
    font-weight: 700;
}

/* Search Section */
.search-section {
    position: sticky;
    top: 60px;
    z-index: 99;
    background-color: #ffffff !important;
    padding: 10px 0px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    background-color: rgba(15, 23, 42, 0.9);
}

.search-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 0.5rem;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

#search-input {
    width: 100%;
    padding: 0.875rem 3.5rem 0.875rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background-color: var(--dark-gray);
    color: var(--text-color);
    outline: none;
    transition: var(--transition);
}

#search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.round-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--dark-gray);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.round-btn:hover {
    background-color: var(--secondary-color);
    transform: scale(1.05);
}

#voice-search-btn {
    display: none;
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    background: white;
    color: black;
}

#voice-search-btn.active {
    color: var(--error-color);
    animation: pulse 1.5s infinite;
}

#clear-search-btn {
   position: absolute;
    right: 0.5rem;
    border: none;
    color: #ffffff;
    cursor: pointer;
    background: #ffffff69;
    line-height: 5px;
}

#clear-search-btn:hover {
    color: var(--error-color);
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--dark-gray);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    max-height: 50vh;
    overflow-y: auto;
    z-index: 50;
    display: none;
    box-shadow: var(--shadow-lg);
    margin-top: 0.5rem;
    backdrop-filter: blur(10px);
}

.search-result-item {
    padding: 0.875rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: background-color 0.2s ease;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--secondary-color);
}

.search-result-item img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-right: 0.875rem;
}

.search-result-item-info {
    flex: 1;
}

.search-result-item-sku {
    font-weight: 600;
    color: var(--primary-color);
}

.search-result-item-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.search-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Main Content */
.app-main {
    flex: 1;
    padding: 1rem;
    max-width: 100%;
}

/* Products Section */
.products-section {
    margin-bottom: 1.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#page-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.products-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.product-card {
    background-color: var(--dark-gray);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.product-card-image {
    width: 100%;
    height: 262px;
    object-fit: cover;
    background-color: var(--secondary-color);
}

.product-card-image.loading {
    display: none;
}

.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--secondary-color);
}

.image-placeholder .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

.product-card-info {
    padding: 1rem;
}

.product-card-sku {
    font-size: 16px;
    font-weight: 600;
    color: #00ff6f;
    margin-bottom: 0.5rem;
}

.product-card-title {
    font-size: 14px;
    color: #ffffff;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--dark-gray);
    border-radius: var(--radius-lg);
    max-width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.modal-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-body {
    padding: 1.25rem;
    overflow-y: auto;
    flex: 1;
}

/* Settings Modal */
.settings-tabs {
    display: flex;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    font-weight: 500;
}

.tab-btn.active {
    border-bottom-color: white;
    background: orange;
    color: #1e293b;
    border-top-right-radius: 10px;
    border-top-left-radius: 10px;
    font-weight: 700;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 1.5rem;
}

.store-card {
    background-color: var(--secondary-color);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 1.25rem;
    transition: var(--transition);
    border-left: 4px solid #ffa500;
}

.store-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.store-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.store-card-icon {
    width: 48px;
    height: 48px;
    background-color: var(--dark-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: #fff;
    font-size: 1.25rem;
}

.store-card-name {
    font-weight: 600;
    font-size: 1.125rem;
}

.store-card-url {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    word-break: break-all;
}

.store-card-status {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    color: var(--success-color);
}

.store-card-status i {
    margin-right: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background-color: var(--secondary-color);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 1.25rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card.error {
    border-left: 4px solid var(--error-color);
}

.stat-card.success {
    border-left: 4px solid var(--success-color);
}

.stat-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    background-color: var(--dark-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: var(--primary-color);
    font-size: 1.25rem;
}

.stat-card.error .stat-card-icon {
    color: var(--error-color);
}

.stat-card.success .stat-card-icon {
    color: var(--success-color);
}

.stat-card-name {
    font-weight: 600;
    font-size: 1.125rem;
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-card.error .stat-card-value {
    color: var(--error-color);
}

.stat-card.success .stat-card-value {
    color: var(--success-color);
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.overall-stats {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.overall-stats h3 {
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.overall-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

/* Image Viewer Modal */
.image-viewer {
    padding: 0;
}

.image-viewer-content {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    border-radius: 0;
}

.image-viewer-header {
    padding: 1.25rem;
    background-color: var(--dark-gray);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    background-color: rgba(30, 41, 59, 0.9);
}

.image-title-container {
    flex: 1;
}

#image-viewer-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

#image-viewer-sku {
    color: #ffb837;
    font-weight: 600;
    font-size: 16px;
}

.image-viewer-body {
    display: flex;
    flex-direction: column;
    height: calc(100% - 70px);
    padding: 0;
}

.main-image-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
    touch-action: pan-y pinch-zoom;
}

.image-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

#main-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
    touch-action: none;
}

.image-controls {
    position: absolute;
    bottom: 1.5rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 0 1rem;
}

.thumbnails-container {
    padding: 1rem;
    background-color: var(--dark-gray);
    display: flex;
    overflow-x: auto;
    gap: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.thumbnail {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: var(--radius);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    background-color: var(--secondary-color);
    flex-shrink: 0;
}

.thumbnail.loading {
    opacity: 0.5;
}

.thumbnail.active {
    border-color: var(--primary-color);
}

.thumbnail-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius);
}

.thumbnail-loader .spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

/* Progress Modal */
.progress-content {
    width: 100%;
    max-width: 420px;
    padding: 15px;
    background-color: var(--dark-gray);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.progress-container {
    margin-top: 1.5rem;
}

.progress-bar {
    height: 10px;
    background-color: var(--secondary-color);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    width: 0%;
    transition: width 0.3s ease;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Buttons */
.icon-btn {
    background: orange;
    border: none;
    color: #ffffff;
    cursor: pointer;
    padding: 0.8rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: solid 2px #e49400;
    box-shadow: 0px 3px 7px 1px #000000;
}

.icon-btn:hover {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

.icon-btn:disabled {
    color: var(--border-color);
    cursor: not-allowed;
    opacity: 0.5;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border: none;
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.3);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.4);
}

.primary-btn:active {
    transform: translateY(0);
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 77px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.close-btn:hover {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

/* Toasts */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 80%;
}

.toast {
    background-color: var(--dark-gray);
    color: var(--text-color);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 250px;
    animation: slideIn 0.3s ease, slideOut 0.3s ease 2.7s;
    animation-fill-mode: forwards;
    border-left: 4px solid;
    backdrop-filter: blur(10px);
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.error {
    border-left-color: var(--error-color);
}

.toast.warning {
    border-left-color: var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive adjustments */
@media (min-width: 768px) {
    .products-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .modal-content {
        max-width: 700px;
    }
    
    .image-viewer-content {
        max-width: 90%;
        max-height: 90%;
        border-radius: var(--radius-lg);
    }
    
    .overall-stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .stores-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .app-main {
        max-width: 1200px;
        margin: 0 auto;
    }
    
    .products-container {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .stores-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile-specific adjustments */
@media (max-width: 767px) {
    .settings-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .tab-btn {
        white-space: nowrap;
    }
    
   .stats-grid {
        grid-template-columns: 170px 1fr;
    }
    
    .overall-stats-grid {
        grid-template-columns: 166px 1fr;
    }
    
    .image-controls {
        gap: 0.5rem;
        bottom: 1rem;
    }
    
    .round-btn {
       width: 36px;
        height: 36px;
        background: orange;
        color: white;
    }
    
    .toast-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}