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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    line-height: 1.6;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 16px;
    min-height: 100vh;
}

.header {
    text-align: center;
    margin-bottom: 24px;
    padding: 16px 0;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--tg-theme-text-color, #000000);
}

.header p {
    font-size: 14px;
    color: var(--tg-theme-hint-color, #999999);
}

.main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.upload-section {
    width: 100%;
}

.upload-area {
    border: 2px dashed var(--tg-theme-hint-color, #cccccc);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--tg-theme-secondary-bg-color, #f8f9fa);
}

.upload-area:hover {
    border-color: var(--tg-theme-button-color, #0088cc);
    background: var(--tg-theme-secondary-bg-color, #f0f8ff);
}

.upload-area.dragover {
    border-color: var(--tg-theme-button-color, #0088cc);
    background: var(--tg-theme-secondary-bg-color, #e6f3ff);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.upload-content p {
    font-size: 16px;
    color: var(--tg-theme-text-color, #000000);
    margin: 0;
}

.upload-hint {
    font-size: 12px !important;
    color: var(--tg-theme-hint-color, #999999) !important;
}

.preview-section {
    background: var(--tg-theme-secondary-bg-color, #f8f9fa);
    border-radius: 12px;
    padding: 20px;
}

.preview-section h3 {
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 600;
}

.image-preview {
    margin-bottom: 20px;
    text-align: center;
}

.image-container {
    position: relative;
    display: inline-block;
    max-width: 100%;
    max-height: 300px;
}

.image-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: block;
}



.cropped-images {
    margin-top: 20px;
    padding: 16px;
    background: var(--tg-theme-secondary-bg-color, #f8f9fa);
    border-radius: 8px;
}

.cropped-images h4 {
    margin-bottom: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--tg-theme-text-color, #000000);
    text-align: center;
}

.cropped-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.cropped-item {
    text-align: center;
    padding: 8px;
    background: var(--tg-theme-bg-color, #ffffff);
    border-radius: 6px;
    border: 1px solid var(--tg-theme-hint-color, #cccccc);
}

.cropped-item img {
    max-width: 100%;
    max-height: 120px;
    border-radius: 4px;
    margin-bottom: 4px;
}

.cropped-item .confidence {
    font-size: 12px;
    color: var(--tg-theme-hint-color, #999999);
    font-weight: 500;
}

.download-btn {
    margin-top: 8px;
    padding: 6px 12px;
    background: var(--tg-theme-button-color, #0088cc);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 100%;
}

.download-btn:hover {
    background: var(--tg-theme-button-color, #006699);
    transform: translateY(-1px);
}

.cropped-item img:hover {
    opacity: 0.8;
    transform: scale(1.02);
    transition: all 0.3s ease;
}

.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--tg-theme-button-color, #0088cc);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.btn-primary:hover {
    background: var(--tg-theme-button-color, #006699);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--tg-theme-secondary-bg-color, #f8f9fa);
    color: var(--tg-theme-text-color, #000000);
    border: 1px solid var(--tg-theme-hint-color, #cccccc);
}

.btn-secondary:hover {
    background: var(--tg-theme-secondary-bg-color, #e9ecef);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon {
    font-size: 16px;
}

.results-section {
    background: var(--tg-theme-secondary-bg-color, #f8f9fa);
    border-radius: 12px;
    padding: 20px;
}

.results-section h3 {
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 600;
}

.result-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--tg-theme-hint-color, #cccccc);
}

.tab-btn {
    padding: 8px 16px;
    border: none;
    background: none;
    color: var(--tg-theme-hint-color, #999999);
    font-size: 14px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: var(--tg-theme-button-color, #0088cc);
    border-bottom-color: var(--tg-theme-button-color, #0088cc);
}

.tab-content {
    min-height: 200px;
}

.tab-pane {
    display: none;
}

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

#jsonResult {
    background: var(--tg-theme-bg-color, #ffffff);
    border: 1px solid var(--tg-theme-hint-color, #cccccc);
    border-radius: 8px;
    padding: 16px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 12px;
    line-height: 1.4;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 300px;
    overflow-y: auto;
}

#annotatedImage {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.json-data {
    margin-top: 20px;
    padding: 16px;
    background: var(--tg-theme-bg-color, #ffffff);
    border: 1px solid var(--tg-theme-hint-color, #cccccc);
    border-radius: 8px;
}

.json-data h4 {
    margin-bottom: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--tg-theme-text-color, #000000);
}

.loading {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--tg-theme-hint-color, #cccccc);
    border-top: 4px solid var(--tg-theme-button-color, #0088cc);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

.loading p {
    color: var(--tg-theme-hint-color, #999999);
    font-size: 14px;
}

.error {
    background: #fee;
    border: 1px solid #fcc;
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
    color: #c33;
}

.success {
    background: #efe;
    border: 1px solid #cfc;
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
    color: #3c3;
}

@media (max-width: 480px) {
    .container {
        padding: 12px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        min-width: auto;
    }
}