static/style.css

:root {
    --bg-dark: hsl(224, 25%, 8%);
    --bg-panel: hsla(224, 20%, 14%, 0.6);
    --border-color: hsla(224, 20%, 30%, 0.3);
    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(224, 14%, 70%);
    --accent: hsl(263, 70%, 50%);
    --accent-hover: hsl(263, 75%, 60%);
    --accent-glow: hsla(263, 70%, 50%, 0.35);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.glow-bg {
    position: absolute;
    top: -10%;
    left: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    position: relative;
    z-index: 1;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Outfit', sans-serif;
}

.logo-accent {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, hsl(0, 0%, 100%) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulse 1.6s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.search-section {
    margin-bottom: 3rem;
}

.search-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.search-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.8rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    position: relative;
    transition: var(--transition);
}

.tab-btn.active {
    color: var(--text-primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -0.9rem;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.search-input-wrapper {
    display: flex;
    gap: 0.8rem;
    width: 100%;
}

.search-input-wrapper input[type="text"] {
    flex: 1;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.search-input-wrapper input[type="text"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.search-btn {
    background: var(--accent);
    border: none;
    border-radius: var(--radius-md);
    padding: 0 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 15px var(--accent-glow);
}

.drop-zone {
    flex: 1;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    background: rgba(0, 0, 0, 0.15);
}

.drop-zone:hover {
    border-color: var(--accent);
    background: rgba(263, 70, 50, 0.03);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.upload-icon {
    color: var(--text-secondary);
    transition: var(--transition);
}

.drop-zone:hover .upload-icon {
    color: var(--accent);
    transform: translateY(-2px);
}

.drop-zone-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.browse-link {
    color: var(--accent);
    font-weight: 600;
}

.image-preview-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.image-preview-container img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.remove-btn:hover {
    background: #ef4444;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.results-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
}

.badge {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.active-query-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: hsla(263, 70%, 50%, 0.15);
    border: 1px solid var(--accent);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.clear-filter-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 10px 25px rgba(263, 70, 50, 0.15);
}

.img-container {
    aspect-ratio: 1;
    overflow: hidden;
    position: relative;
    background: rgba(0, 0, 0, 0.2);
}

.img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .img-container img {
    transform: scale(1.05);
}

.match-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--accent);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
    border-radius: 50px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    z-index: 2;
}

.hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1;
}

.product-card:hover .hover-overlay {
    opacity: 1;
}

.similar-btn {
    background: var(--text-primary);
    color: var(--bg-dark);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transform: translateY(10px);
    transition: var(--transition);
}

.product-card:hover .similar-btn {
    transform: translateY(0);
}

.similar-btn:hover {
    background: var(--accent);
    color: var(--text-primary);
}

.product-info {
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.prod-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.prod-category {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.prod-price {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.product-info h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.product-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hidden {
    display: none !important;
}

.loading-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.skeleton-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    height: 350px;
    animation: pulse-skeleton 1.5s infinite;
}

@keyframes pulse-skeleton {
    0% { opacity: 0.6; }
    50% { opacity: 0.3; }
    100% { opacity: 0.6; }
}

.hidden-input {
    display: none;
}

/* Exact Match & Recommendations Styles */
.exact-match-section {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: hsla(263, 70%, 50%, 0.05);
    border: 1px dashed hsla(263, 70%, 50%, 0.4);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px 0 rgba(263, 70, 50, 0.05);
}

.section-subtitle {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#exact-match-container {
    display: flex;
    justify-content: flex-start;
}

#exact-match-container .product-card {
    max-width: 320px;
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.no-exact-match {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
}

.no-match-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    animation: float 3s ease-in-out infinite;
}

.no-match-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.no-match-subtext {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
    100% { transform: translateY(0px); }
}

.exact-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 50px;
    z-index: 10;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

.related-products-section {
    margin-top: 2rem;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1rem;
}