static/style.css

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --background: #0f172a;
    --surface: #1e293b;
    --surface-light: #334155;
    --border: #475569;
    --text: #f1f5f9;
    --text-secondary: #cbd5e1;
    --success: #10b981;
    --error: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text);
    min-height: 100vh;
    padding: 2rem;
    zoom: 65%;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.header-logo {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.3));
}

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

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.card {
    background: var(--surface);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text);
}

/* Upload Section */
.upload-section {
    position: relative;
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 0.75rem;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(99, 102, 241, 0.05);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.upload-placeholder svg {
    color: var(--primary);
    margin-bottom: 1rem;
}

.upload-placeholder span {
    display: block;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Canvas Container */
.canvas-container {
    position: relative;
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 300px;
}

.canvas-container canvas {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0.5rem;
}

#imageCanvas {
    z-index: 1;
}

#drawCanvas {
    z-index: 2;
    pointer-events: none;
}

#bboxCanvas {
    z-index: 3;
    pointer-events: all;
    cursor: crosshair !important;
}

/* Options */
.options {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-wrapper span {
    color: var(--text);
    font-size: 0.95rem;
}

/* Process Button */
.process-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.process-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

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

/* Hint Text */
.hint-text {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-left: 3px solid var(--primary);
    border-radius: 0.5rem;
}

.hint-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.hint-text strong {
    color: var(--primary);
}

/* Extracted Canvas */
#extractedCanvas {
    max-width: 100%;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

/* Loading */
.loading {
    display: none;
    text-align: center;
    padding: 2rem;
    background: var(--surface);
    border-radius: 1rem;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
}

.loading svg {
    color: var(--primary);
    margin-bottom: 1rem;
}

.loading span {
    display: block;
    color: var(--text-secondary);
    font-size: 1rem;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Results */
.result-image {
    width: 100%;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.stats-list {
    list-style: none;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

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

.stat-item span:first-child {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-item span:last-child {
    color: var(--text);
    font-weight: 600;
}

.badge {
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Top Matches Grid */
.top-matches-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.match-grid-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 0.5rem;
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.match-grid-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

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

.match-info-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.match-rank {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.9rem;
}

.match-name {
    color: var(--text);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.match-score {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 1200px) {
    .top-matches-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .card {
        padding: 1.5rem;
    }

    .options {
        flex-direction: column;
        gap: 1rem;
    }

    .top-matches-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Fullscreen Image Modal */
.fullscreen-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fullscreen-content {
    margin: auto;
    display: block;
    max-width: 95%;
    max-height: 90vh;
    object-fit: contain;
    animation: zoomIn 0.3s;
}

@keyframes zoomIn {
    from { transform: scale(0.8); }
    to { transform: scale(1); }
}

.fullscreen-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #f1f1f1;
    font-size: 48px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 10000;
}

.fullscreen-close:hover,
.fullscreen-close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

/* Make images clickable */
#extractedCanvas,
#bestMatchImage,
.top-matches-grid img {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#extractedCanvas:hover,
#bestMatchImage:hover,
.top-matches-grid img:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}