*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-dark: #4f46e5;--secondary: #ec4899;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--bg-dark: #0f172a;--bg-card: #1e293b;--bg-hover: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-dark);color:var(--text-primary);min-height:100vh;line-height:1.6}#root,.app-container{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;justify-content:space-between;align-items:center;padding:20px 40px;background:#1e293bcc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.1);position:sticky;top:0;z-index:100}.header-brand h1{font-size:24px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-nav{display:flex;gap:8px}.nav-btn{padding:10px 20px;border:none;border-radius:10px;background:transparent;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease}.nav-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-btn.active{background:var(--primary);color:#fff}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px}.step-one{width:100%;max-width:800px;text-align:center}.step-indicator{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:40px}.step{width:40px;height:40px;border-radius:50%;background:var(--bg-card);border:2px solid var(--text-muted);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--text-muted)}.step.active{background:var(--primary);border-color:var(--primary);color:#fff}.step-line{width:60px;height:2px;background:var(--text-muted)}.step-one h2{font-size:32px;font-weight:700;margin-bottom:12px}.step-desc{color:var(--text-secondary);font-size:16px;margin-bottom:40px}.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:32px}.upload-zone{border:2px dashed var(--text-muted);border-radius:20px;padding:40px;cursor:pointer;transition:all .3s ease;background:var(--bg-card)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary);background:#6366f11a;transform:scale(1.02)}.upload-zone.optional{opacity:.8}.upload-zone-content{display:flex;flex-direction:column;align-items:center;gap:8px}.upload-icon{font-size:48px;margin-bottom:8px}.upload-zone h3{font-size:20px;font-weight:600}.upload-zone p{color:var(--text-secondary);font-size:14px}.upload-hint{color:var(--text-muted)!important;font-size:12px!important}.upload-count{background:var(--success);color:#fff;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;margin-top:8px}.preview-section{margin:24px 0;padding:20px;background:var(--bg-card);border-radius:16px}.preview-group h4{color:var(--text-secondary);font-size:14px;margin-bottom:12px;text-align:left}.preview-list{display:flex;gap:12px;flex-wrap:wrap}.preview-item{position:relative;width:80px;height:80px;border-radius:12px;overflow:hidden}.preview-item img{width:100%;height:100%;object-fit:cover}.preview-item .remove-btn{position:absolute;top:4px;right:4px;width:20px;height:20px;border-radius:50%;background:var(--error);border:none;color:#fff;font-size:14px;cursor:pointer;opacity:0;transition:opacity .2s}.preview-item:hover .remove-btn{opacity:1}.options-row{margin:32px 0}.option-group{display:inline-flex;align-items:center;gap:12px}.option-group label{color:var(--text-secondary);font-weight:500}.option-group select{padding:12px 24px;border-radius:12px;border:1px solid var(--text-muted);background:var(--bg-card);color:var(--text-primary);font-size:14px;cursor:pointer}.primary-btn{padding:14px 32px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease}.primary-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 30px #6366f166}.primary-btn:disabled{opacity:.5;cursor:not-allowed}.primary-btn.large{padding:18px 48px;font-size:18px}.step-two{text-align:center}.processing-card{background:var(--bg-card);border-radius:24px;padding:60px;max-width:500px}.processing-animation{margin-bottom:32px}.spinner{width:80px;height:80px;border:4px solid var(--bg-hover);border-top-color:var(--primary);border-radius:50%;margin:0 auto;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.processing-card h2{font-size:28px;margin-bottom:24px}.progress-bar{width:100%;height:8px;background:var(--bg-hover);border-radius:4px;overflow:hidden;margin-bottom:12px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:4px;transition:width .3s ease}.progress-text{font-size:32px;font-weight:700;color:var(--primary);margin-bottom:8px}.status-text{color:var(--text-secondary);font-size:14px}.step-three{text-align:center}.result-card{background:var(--bg-card);border-radius:24px;padding:40px;max-width:700px}.result-card h2{font-size:28px;margin-bottom:24px}.result-image-container{border-radius:16px;overflow:hidden;margin-bottom:24px;box-shadow:0 20px 60px #00000080}.result-image{width:100%;max-height:500px;object-fit:contain;display:block}.result-actions{display:flex;gap:16px;justify-content:center}.action-btn{padding:14px 32px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none}.action-btn.primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border:none}.action-btn.secondary{background:var(--bg-hover);color:var(--text-primary);border:none}.action-btn:hover{transform:translateY(-2px)}.gallery-section{padding:40px}.gallery-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.gallery-header h2{font-size:28px}.refresh-btn{padding:10px 20px;border:1px solid var(--text-muted);border-radius:10px;background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .2s}.refresh-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.gallery-empty{text-align:center;padding:80px;background:var(--bg-card);border-radius:20px}.gallery-empty p{color:var(--text-secondary);margin-bottom:24px}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}.gallery-item{background:var(--bg-card);border-radius:16px;overflow:hidden;cursor:pointer;transition:all .3s ease}.gallery-item:hover{transform:translateY(-4px);box-shadow:0 10px 30px #0000004d}.gallery-item img{width:100%;height:200px;object-fit:cover}.gallery-item-info{padding:12px;display:flex;justify-content:space-between;font-size:12px;color:var(--text-secondary)}.footer{text-align:center;padding:20px;color:var(--text-muted);font-size:12px}@media (max-width: 768px){.header{padding:16px 20px}.header-brand h1{font-size:18px}.upload-grid{grid-template-columns:1fr}.gallery-grid{grid-template-columns:repeat(2,1fr)}}