body{margin:0;overflow:hidden;font-family:sans-serif;background-color:#f0f0f0;touch-action:none}html.auth-screen,body.auth-screen{overflow:auto!important;touch-action:auto!important;height:auto}#mode-btn,#mobile-tools{display:none}#sidebar{position:fixed;top:76px;left:-360px;bottom:24px;width:320px;background:#fff;padding:20px 20px 28px;border-radius:12px;box-shadow:0 4px 15px #0003;z-index:100;overflow-y:auto;overflow-x:hidden;transition:left .3s ease-in-out;scrollbar-gutter:stable}#sidebar::-webkit-scrollbar{width:6px}#sidebar::-webkit-scrollbar-track{background:transparent;margin:12px 0}#sidebar::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}#sidebar::-webkit-scrollbar-thumb:hover{background:#94a3b8}#sidebar.active{left:20px}h2{margin-top:0;font-size:1.1rem;margin-bottom:10px;border-bottom:1px solid #eee;padding-bottom:10px}h3{font-size:.9rem;margin:15px 0 5px;color:#555;text-transform:uppercase;letter-spacing:1px}.color-option{display:flex;align-items:center;gap:10px;padding:8px;cursor:pointer;border-radius:6px;transition:background .2s;margin-bottom:4px;border:1px solid transparent}.color-option:hover{background:#f5f5f5}.color-option.active{background:#eef;border-color:#ccf}.color-box{width:20px;height:20px;border-radius:50%;border:1px solid rgba(0,0,0,.1)}.color-label{font-size:13px;color:#333;font-weight:500}.btn-primary{width:100%;padding:12px;margin-top:10px;border:none;border-radius:8px;font-weight:700;cursor:pointer;background:#007bff;color:#fff;transition:background .2s;text-align:center;display:block}.btn-primary:hover{background:#0056b3}.btn-secondary{width:100%;padding:8px;margin-top:5px;border:1px solid #ccc;border-radius:8px;font-weight:700;cursor:pointer;background:#fff;color:#333;transition:background .2s}.btn-secondary:hover{background:#eee}#file-input{display:none}#loader{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#fffffff2;z-index:200;justify-content:center;align-items:center;flex-direction:column}.spinner{width:40px;height:40px;border:4px solid #ddd;border-top:4px solid #333;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#error-log{position:absolute;top:20px;right:20px;width:300px;background:#fdd;border-left:5px solid #ff4444;color:#900;padding:15px;border-radius:5px;font-size:12px;font-family:monospace;display:none;z-index:300;box-shadow:0 4px 10px #0000001a}#drag-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#007bff33;border:5px dashed #007bff;z-index:150;pointer-events:none;justify-content:center;align-items:center;font-size:2rem;color:#007bff;font-weight:700}#toggle-btn{display:none}@media (max-width: 768px){#mobile-tools{display:flex;position:fixed;bottom:20px;left:20px;right:20px;justify-content:space-between;align-items:flex-end;z-index:90;pointer-events:none}.mobile-slider-box{pointer-events:auto;background:#ffffffe6;padding:8px 12px;border-radius:15px;box-shadow:0 4px 10px #0003;display:flex;flex-direction:column;align-items:center;width:100px}.mobile-slider-box input{width:100%;margin:5px 0 0}#mobile-clear-btn{pointer-events:auto;width:50px;height:50px;border-radius:50%;background:#fff;border:2px solid #ffcccc;color:#d00;font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px #0003}#mobile-clear-btn:active{background:#fee;transform:scale(.95)}#mode-btn{display:flex!important;position:fixed;top:20px;right:20px;z-index:201;width:45px;height:45px;background:#fff;color:#333;border:2px solid #ccc;border-radius:50%;font-size:20px;cursor:pointer;align-items:center;justify-content:center;box-shadow:0 4px 10px #0000004d}#mode-btn.active{background:gold;border-color:#e6c200}#toggle-btn{display:flex;position:fixed;top:20px;left:20px;z-index:201;width:45px;height:45px;background:#007bff;color:#fff;border:none;border-radius:50%;font-size:20px;cursor:pointer;align-items:center;justify-content:center;box-shadow:0 4px 10px #0000004d;transition:transform .3s ease}#toggle-btn.open{transform:rotate(180deg);left:280px}}