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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 2rem;
    color: #667eea;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
}

.nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: none;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: #666;
}

.nav-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

.nav-btn.active {
    background: #667eea;
    color: white;
}

/* Main Content */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

.tab-content {
    display: none;
}

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

/* Upload Section */
.upload-section {
    text-align: center;
}

.upload-area {
    border: 3px dashed rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.upload-area:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
}

.upload-area.dragover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.upload-content i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.upload-content h3 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 0.5rem;
}

.upload-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.upload-progress {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 15px;
    margin-top: 2rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    color: #666;
    font-weight: 500;
}

/* Search Section */
.search-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.search-controls {
    margin-bottom: 2rem;
}

.search-bar {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-bar i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.search-bar input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-bar input:focus {
    border-color: #667eea;
}

.filter-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.filter-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.tag-filters, .color-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-filter, .color-filter {
    padding: 0.5rem 1rem;
    background: #f5f5f5;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.tag-filter:hover, .color-filter:hover {
    background: #667eea;
    color: white;
}

.tag-filter.active, .color-filter.active {
    background: #667eea;
    color: white;
}

.color-filter {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid transparent;
}

.color-filter.active {
    border-color: #333;
}

/* Results */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.results-count {
    font-weight: 600;
    color: #666;
}

.view-options {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    background: none;
    border: 1px solid #e0e0e0;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn:hover {
    background: #f5f5f5;
}

.view-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.image-gallery.list-view {
    grid-template-columns: 1fr;
}

.image-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.image-card.chat-highlighted {
    animation: chatHighlight 2s ease-in-out;
    border: 2px solid #667eea;
}

@keyframes chatHighlight {
    0% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
        transform: scale(1.02);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
        transform: scale(1);
    }
}

.image-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.image-card.list-view img {
    width: 150px;
    height: 150px;
}

.image-info {
    padding: 1rem;
}

.image-info h4 {
    margin-bottom: 0.5rem;
    color: #333;
    font-size: 1rem;
}

.image-info p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.image-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.tag {
    background: #f0f0f0;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
    color: #666;
}

/* Chat Section */
.chat-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    height: 600px;
    display: flex;
    flex-direction: column;
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-messages {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    display: flex;
    gap: 1rem;
    max-width: 80%;
}

.bot-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.bot-message .message-avatar {
    background: #667eea;
    color: white;
}

.user-message .message-avatar {
    background: #764ba2;
    color: white;
}

.message-content {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 15px;
    flex: 1;
    line-height: 1.6;
}

.user-message .message-content {
    background: #667eea;
    color: white;
}

.message-content .clickable-image {
    color: #667eea !important;
    cursor: pointer;
    text-decoration: underline;
    font-weight: 500;
    transition: all 0.2s ease;
}

.message-content .clickable-image:hover {
    color: #5a6fd8 !important;
    text-decoration: none;
    background: rgba(102, 126, 234, 0.1);
    padding: 2px 4px;
    border-radius: 4px;
}

.user-message .message-content .clickable-image {
    color: rgba(255, 255, 255, 0.9) !important;
}

.user-message .message-content .clickable-image:hover {
    color: white !important;
    background: rgba(255, 255, 255, 0.2);
}

.chat-input-container {
    padding: 1.5rem 2rem;
    border-top: 1px solid #e0e0e0;
}

.chat-input {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.chat-input input {
    flex: 1;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    outline: none;
    font-size: 1rem;
}

.chat-input input:focus {
    border-color: #667eea;
}

#send-btn {
    background: #667eea;
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#send-btn:hover {
    background: #5a6fd8;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    margin: 2% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 80vh;
}

.modal-image {
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.modal-info {
    padding: 2rem;
    overflow-y: auto;
}

.modal-info h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.info-section {
    margin-bottom: 1.5rem;
}

.info-section h4 {
    margin-bottom: 0.5rem;
    color: #667eea;
    font-weight: 600;
}

.info-section p {
    color: #666;
    line-height: 1.6;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.colors-container {
    display: flex;
    gap: 0.5rem;
}

.color-swatch {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid #e0e0e0;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.loading-spinner p {
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 0 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .filter-controls {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .modal-image {
        height: 50vh;
    }
    
    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
}