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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    color: #007bff;
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5em;
    font-weight: 300;
    text-shadow: 0 2px 4px rgba(0, 123, 255, 0.1);
}

/* Layout */
.main-container {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.left-panel {
    flex: 1;
    max-width: 800px;
}

.right-panel {
    flex: 1;
    max-width: 600px;
    position: sticky;
    top: 20px;
}

/* Upload Area */
.upload-area {
    border: 3px dashed #ccc;
    padding: 60px 20px;
    text-align: center;
    background: white;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.upload-area:hover {
    border-color: #007bff;
    background: #f0f8ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.upload-area.dragover {
    border-color: #007bff;
    background: #f0f8ff;
}

.upload-area p {
    margin: 10px 0;
    color: #666;
    font-size: 16px;
}

.upload-area strong {
    color: #007bff;
    font-size: 20px;
}

.upload-hint {
    font-size: 14px !important;
    color: #999 !important;
}

/* File Count */
.file-count {
    text-align: center;
    margin: 10px 0;
    font-size: 14px;
    color: #666;
    min-height: 20px;
}

/* Buttons */
.button-group {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-weight: 500;
}

.btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: #28a745;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #218838;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-warning {
    background: #ffc107;
    color: #333;
}

.btn-warning:hover {
    background: #e0a800;
}

/* Image Grid */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-top: 20px;
}

.image-box {
    position: relative;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.image-box:hover {
    transform: scale(1.05);
}

.image-box img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.image-name {
    padding: 8px;
    font-size: 12px;
    color: #666;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

/* Results */
.results {
    display: none;
    margin-top: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.results h2 {
    color: #007bff;
    margin-bottom: 20px;
}

.results-grid {
    display: grid;
    gap: 20px;
}

.result-card {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.result-card h3 {
    color: #333;
    margin-bottom: 10px;
}

.result-details p {
    margin: 5px 0;
}

.result-details strong {
    color: #555;
}

/* Debug Panel */
.debug-panel {
    background: #1e1e1e;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.4;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid #444;
}

.debug-panel h3 {
    color: #50fa7b;
    margin: 0 0 10px 0;
    font-size: 14px;
}

.debug-section {
    margin-bottom: 15px;
    padding: 10px;
    background: #2d2d2d;
    border-radius: 4px;
    border-left: 3px solid #50fa7b;
}

.debug-section h4 {
    color: #bd93f9;
    margin-bottom: 10px;
}

.debug-item {
    margin: 5px 0;
}

.debug-key {
    color: #8be9fd;
    font-weight: bold;
}

.debug-value {
    color: #f1fa8c;
    margin-left: 10px;
}

.debug-item.error .debug-key {
    color: #ff5555;
}

.debug-item.error .debug-value {
    color: #ffb86c;
}

.debug-placeholder {
    color: #6272a4;
    font-style: italic;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-overlay p {
    color: white;
    margin-top: 20px;
    font-size: 18px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Bootstrap Spinner in Button */
.spinner-border {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

.me-2 {
    margin-right: 0.5rem !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }
    
    .left-panel, .right-panel {
        max-width: 100%;
    }
    
    .right-panel {
        position: static;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}