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

body {
    font-family: 'JetBrains Mono', monospace;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.header-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1rem;
    color: #666;
    font-weight: 400;
}

.content {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.upload-section {
    margin-bottom: 40px;
}

.drop-zone {
    border: 3px dashed #667eea;
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f8f9ff;
}

.drop-zone:hover {
    border-color: #764ba2;
    background: #f0f2ff;
}

.drop-zone.dragover {
    border-color: #764ba2;
    background: #e8ebff;
    transform: scale(1.02);
}

.upload-icon {
    color: #667eea;
    margin-bottom: 20px;
}

.drop-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.drop-subtext {
    font-size: 0.9rem;
    color: #666;
}

.preview-container {
    position: relative;
    max-width: 400px;
    margin: 30px auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.preview-container img {
    width: 100%;
    height: auto;
    display: block;
}

.remove-button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.remove-button:hover {
    background: #ff4444;
    color: white;
    transform: scale(1.1);
}

.generate-button {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    width: 100%;
    max-width: 300px;
    margin: 30px auto 0;
    padding: 16px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.generate-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

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

.result-section {
    text-align: center;
}

.result-section h2 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-container {
    max-width: 400px;
    margin: 0 auto 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    background: white;
    padding: 20px;
}

.result-container img {
    width: 100%;
    height: auto;
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.download-button,
.new-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    margin: 10px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.new-button {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.new-button:hover {
    background: #f8f9ff;
}

.loading-section {
    text-align: center;
    padding: 60px 20px;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-section p {
    font-size: 1.1rem;
    color: #666;
}

.references-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid #e0e0e0;
}

.references-section h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.references-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background: white;
    padding: 15px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

@media (max-width: 768px) {
    .header-content h1 {
        font-size: 2rem;
    }

    .content {
        padding: 20px;
    }

    .drop-zone {
        padding: 40px 20px;
    }

    .references-grid {
        grid-template-columns: 1fr;
    }
}