.tool-container{max-width:800px;margin:40px auto;padding:40px;background:#fff;border-radius:16px;box-shadow:0 4px 20px #0000000d;text-align:center}.upload-area{border:2px dashed rgba(74,108,247,.3);border-radius:16px;padding:60px 20px;margin:30px 0;background:#4a6cf705;transition:all .3s ease;cursor:pointer;position:relative}.upload-area:hover,.upload-area.drag-over{border-color:var(--primary-color);background:#4a6cf70d;transform:translateY(-2px)}.upload-icon{font-size:64px;color:var(--primary-color);margin-bottom:20px;opacity:.8;transition:all .3s}.upload-area:hover .upload-icon{transform:scale(1.1);opacity:1}.upload-text h3{margin:0 0 10px;color:var(--text-light);font-size:20px}.upload-text p{margin:0;color:var(--text-secondary-light);font-size:14px}.privacy-badge{display:inline-flex;align-items:center;gap:8px;margin-top:15px;padding:6px 16px;background:#16db931a;color:#10b981;border-radius:20px;font-size:13px;font-weight:500}body.dark-mode .privacy-badge{background:#16db9326;color:#34d399}#file-input{display:none}.convert-btn{background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;border:none;padding:15px 50px;font-size:18px;border-radius:12px;cursor:pointer;transition:all .3s;box-shadow:0 4px 15px #4a6cf74d;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:10px}.convert-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4a6cf766}.convert-btn:disabled{background:#ccc;cursor:not-allowed;transform:none;box-shadow:none}.file-info{display:none;margin-top:20px;padding:15px;background:#16db931a;border-radius:10px;color:var(--secondary-color);font-weight:500;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.status-message{margin-top:20px;min-height:24px;font-size:14px}.status-message.error{color:var(--accent-color)}.status-message.success{color:var(--secondary-color)}.loading-spinner{display:none;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;z-index:2000;display:flex;justify-content:center;align-items:center;backdrop-filter:blur(5px);animation:fadeIn .3s ease}.loading-content{background:#fff;padding:40px;border-radius:16px;text-align:center;box-shadow:0 10px 40px #0000004d;max-width:90%;width:400px}.spinner-large{width:60px;height:60px;border:5px solid rgba(74,108,247,.1);border-radius:50%;border-top-color:var(--primary-color);margin:0 auto 20px;animation:spin 1s ease-in-out infinite}.loading-content p{font-size:18px;color:var(--text-dark);margin:0 0 10px;font-weight:600}.loading-content .sub-text{font-size:14px;color:var(--text-secondary-light);font-weight:400}body.dark-mode .loading-content{background:var(--card-dark)}body.dark-mode .loading-content p{color:var(--text-dark)}body.dark-mode .loading-content .sub-text{color:var(--text-secondary-dark)}body.dark-mode .tool-container{background:#1e2538cc;border-color:#ffffff0d}body.dark-mode .upload-area{border-color:#4a6cf733;background:#4a6cf703}body.dark-mode .upload-text h3{color:var(--text-dark)}body.dark-mode .upload-text p{color:var(--text-secondary-dark)}.info-box{max-width:800px;margin:40px auto;padding:30px;background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000000d;line-height:1.8;color:var(--text-light)}.info-box h2{font-size:1.5rem;margin-top:30px;margin-bottom:15px;color:var(--primary-color);border-bottom:2px solid rgba(74,108,247,.1);padding-bottom:10px}.info-box p{margin-bottom:15px;color:var(--text-secondary-light)}body.dark-mode .info-box{background:var(--card-dark);color:var(--text-dark)}body.dark-mode .info-box h2{color:var(--primary-light)}body.dark-mode .info-box p{color:var(--text-secondary-dark)}.color-selector{text-align:left;max-width:400px;margin:20px auto}.preview-container{margin-top:30px;text-align:center;min-height:200px;display:none}.preview-image{max-width:100%;max-height:400px;border-radius:8px;box-shadow:0 4px 12px #0000001a;margin-bottom:20px;background-image:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px;background-color:#fff}.download-btn{display:inline-block;background-color:var(--primary-color);color:#fff;padding:10px 24px;border-radius:6px;text-decoration:none;font-weight:500;transition:all .3s;margin-top:15px}.download-btn:hover{background-color:var(--primary-dark);color:#fff;transform:translateY(-2px)}.cropper-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000d9;z-index:1000;display:flex;justify-content:center;align-items:center;padding:20px;animation:fadeIn .3s ease}.cropper-modal-content{background:#fff;width:100%;max-width:900px;max-height:90vh;border-radius:12px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 10px 40px #0000004d}.cropper-title{padding:15px 20px;margin:0;background:#f8f9fa;border-bottom:1px solid #eee;font-size:18px;color:var(--text-dark);font-weight:600}.cropper-stage{flex:1;min-height:300px;max-height:60vh;background:#333;position:relative;overflow:hidden}.cropper-stage img{max-width:100%;max-height:100%;display:block}.cropper-controls{padding:15px 20px;background:#fff;border-top:1px solid #eee}.aspect-ratio-presets{margin-bottom:15px;text-align:left}.preset-label{font-size:14px;color:var(--text-secondary-light);margin-right:10px;font-weight:500}.preset-buttons{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.preset-btn{padding:6px 12px;border:1px solid #ddd;background:#fff;border-radius:4px;font-size:13px;cursor:pointer;transition:all .2s;color:var(--text-light)}.preset-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.preset-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.cropper-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;padding-top:10px;border-top:1px solid #f0f0f0}.action-divider{width:1px;height:24px;background:#eee;margin:0 5px}.action-btn{padding:8px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;border:none;display:flex;align-items:center;gap:6px;transition:all .2s}.action-btn.secondary{background:#f1f3f5;color:#495057}.action-btn.secondary:hover{background:#e9ecef}.action-btn.warning{background:#fff0f0;color:#e03131}.action-btn.warning:hover{background:#ffe3e3}.action-btn.primary{background:var(--primary-color);color:#fff;box-shadow:0 4px 12px #4a6cf733}.action-btn.primary:hover{background:var(--primary-dark);transform:translateY(-1px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}body.dark-mode .cropper-modal-content{background:var(--card-dark)}body.dark-mode .cropper-title{background:#ffffff0d;border-bottom-color:#ffffff1a;color:var(--text-dark)}body.dark-mode .cropper-controls{background:var(--card-dark);border-top-color:#ffffff1a}body.dark-mode .preset-btn{background:#ffffff0d;border-color:#ffffff1a;color:var(--text-secondary-dark)}body.dark-mode .preset-btn:hover{border-color:var(--primary-light);color:var(--primary-light)}body.dark-mode .preset-btn.active{background:var(--primary-color);color:#fff}body.dark-mode .cropper-actions{border-top-color:#ffffff1a}body.dark-mode .action-btn.secondary{background:#ffffff1a;color:var(--text-dark)}body.dark-mode .action-btn.secondary:hover{background:#ffffff26}body.dark-mode .action-btn.warning{background:#e031311a;color:#ff8787}body.dark-mode .action-btn.warning:hover{background:#e0313133}.step-guide{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin:30px 0;text-align:left}.step-item{display:flex;flex-direction:column;align-items:center;text-align:center}.step-num{width:40px;height:40px;background:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:15px;box-shadow:0 4px 10px #4a6cf74d}.step-content h3{font-size:18px;margin-bottom:10px;color:var(--text-dark)}.step-content p{font-size:14px;color:var(--text-secondary-light);line-height:1.6}body.dark-mode .step-content h3{color:var(--text-dark)}body.dark-mode .step-content p{color:var(--text-secondary-dark)}