@keyframes badgePulse{0%,to{box-shadow:0 0 12px rgba(0,210,255,.4),0 2px 4px rgba(0,0,0,.3)}50%{box-shadow:0 0 20px rgba(58,123,213,.7),0 2px 8px rgba(0,210,255,.5)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeInUp{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}*{margin:0;padding:0;box-sizing:border-box}:root{--bg:#1a1a2e;--surface:#16213e;--card:#0f3460;--accent:#e94560;--accent-hover:#ff6b81;--text:#eee;--text-dim:#999;--border:#2a2a4a;--success:#2ecc71;--radius:10px}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);height:100vh;display:flex;flex-direction:column;overflow:hidden}.header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.header h1{font-size:36px;font-weight:600}.header h1 span:not(.badge-speed){color:var(--accent)}.badge-speed{display:inline-block;margin-right:10px;padding:3px 12px;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(135deg,#00d2ff 0,#3a7bd5 100%);border-radius:20px;vertical-align:middle;transform:translateY(-4px);letter-spacing:1px;box-shadow:0 0 12px rgba(0,210,255,.4),0 2px 4px rgba(0,0,0,.3);animation:badgePulse 2s ease-in-out infinite}.header-info{font-size:18px;color:var(--text-dim);text-align:right}.mode-tabs{display:flex;gap:4px}.mode-tab{padding:6px 16px;border:1px solid var(--border);border-radius:6px;background:0 0;color:var(--text-dim);font-size:20px;cursor:pointer;transition:all .15s}.mode-tab:hover{border-color:var(--text-dim);color:var(--text)}.mode-tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.mode-sections.hidden{display:none}.mode-toggle{display:flex;gap:6px}.drop-zone p,.mode-btn,.sidebar-section h3{font-size:12px;color:var(--text-dim)}.mode-btn{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:6px;background:0 0;cursor:pointer;transition:all .15s;text-align:center}.mode-btn:hover{border-color:var(--text-dim);color:var(--text)}.mode-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.mw-viewport{width:100%;height:100%;overflow:hidden;position:relative;background:repeating-conic-gradient(#222 0% 25%,#2a2a2a 0% 50%)0 0/16px 16px;border-radius:8px}.mw-viewport.panning{cursor:grabbing}.mw-viewport,.mw-viewport.subtract-mode{cursor:crosshair}.mw-canvas-inner{position:absolute;transform-origin:0 0}.mw-canvas-inner canvas{position:absolute;top:0;left:0;image-rendering:pixelated}.mw-mask-info{position:absolute;bottom:8px;right:10px;font-size:11px;color:rgba(255,255,255,.5);background:rgba(0,0,0,.5);padding:4px 8px;border-radius:4px;pointer-events:none}.drop-zone{flex:1;margin:24px;padding:60px 20px;text-align:center;border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;transition:all .2s;display:flex;flex-direction:column;align-items:center;justify-content:center}.drop-zone.dragover,.drop-zone:hover{border-color:var(--accent);background:#1a1a3e}.drop-zone.hidden,.workspace{display:none}.drop-zone svg{width:48px;height:48px;fill:var(--text-dim);margin-bottom:12px}.drop-zone p{font-size:15px;margin-top:8px}.drop-zone .hint{font-size:12px;margin-top:4px;color:#666}.workspace{flex:1;overflow:hidden}.sidebar,.workspace.active{display:flex}.sidebar{width:25%;min-width:200px;max-width:60%;flex-direction:column;background:var(--surface);overflow-y:auto;flex-shrink:0}.sidebar-section{padding:14px 16px;border-bottom:1px solid var(--border)}.resize-handle{width:5px;cursor:col-resize;background:var(--border);flex-shrink:0;transition:background .15s;position:relative}.resize-handle.active,.resize-handle:hover{background:var(--accent)}.sidebar-section h3{font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}.control-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.control-row:last-child{margin-bottom:0}.control-row label,.toggle-label{font-size:12px;color:var(--text-dim)}.control-row label{white-space:nowrap;min-width:52px}.control-row input[type=range]{flex:1;accent-color:var(--accent)}.control-row .val{font-size:12px;color:var(--accent);min-width:24px;text-align:right}.toggle-label{display:flex;align-items:center;gap:6px;cursor:pointer;user-select:none}.toggle-label input{accent-color:var(--accent);width:15px;height:15px}.toggle-hint{font-size:11px;color:#555;margin-top:4px}.btn{padding:6px 14px;border:0;border-radius:6px;font-size:12px;cursor:pointer;font-weight:500;transition:all .15s}.btn-primary{background:var(--accent);color:#fff;width:100%}.btn-primary:hover{background:var(--accent-hover)}.btn-outline{background:0 0;color:var(--text-dim);border:1px solid var(--border)}.btn-outline:hover{color:var(--text);border-color:var(--text-dim)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#27ae60}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.action-grid .btn{padding:6px 8px}.action-row{display:flex;gap:6px}.action-row .btn{flex:1}.stats{font-size:12px;color:var(--text-dim);text-align:center;padding:6px 0}.stats span{font-weight:600;font-size:16px}.preview-wrap{background:repeating-conic-gradient(#2a2a2a 0% 25%,#333 0% 50%)0 0/12px 12px;border-radius:6px;overflow:hidden;position:relative;aspect-ratio:1/1;cursor:grab}.preview-wrap.dragging{cursor:grabbing}.preview-wrap.eyedropper{cursor:crosshair}.preview-wrap canvas,.res-viewport canvas,.viewer-body canvas{position:absolute;image-rendering:pixelated;transform-origin:0 0}.preview-info{position:absolute;bottom:4px;right:6px;font-size:10px;color:rgba(255,255,255,.5);background:rgba(0,0,0,.5);padding:2px 6px;border-radius:3px;pointer-events:none}.main-area{flex:1;overflow-y:auto;padding:16px}.sprite-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:10px}.sprite-card{position:relative;background:var(--surface);border-radius:8px;border:2px solid transparent;cursor:pointer;transition:all .15s;overflow:hidden}.sprite-card:hover{border-color:var(--border)}.sprite-card.selected{border-color:var(--accent)}.sprite-card .check,.sprite-card .thumb{display:flex;align-items:center;justify-content:center}.sprite-card .check{position:absolute;top:8px;left:8px;width:24px;height:24px;border-radius:4px;border:2px solid rgba(255,255,255,.3);background:rgba(0,0,0,.4);z-index:2;transition:all .15s}.sprite-card.selected .check{background:var(--accent);border-color:var(--accent)}.sprite-card.selected .check::after{content:"";width:7px;height:11px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-1px)}.sprite-card .thumb{height:270px;background:repeating-conic-gradient(#2a2a2a 0% 25%,#333 0% 50%)0 0/10px 10px;padding:6px}.sprite-card .thumb canvas{max-width:100%;max-height:100%;image-rendering:pixelated}.sprite-card .info{padding:8px 10px;font-size:12px;color:var(--text-dim);display:flex;justify-content:space-between}.sprite-card .dl-btn,.sprite-card .zoom-btn{position:absolute;bottom:28px;right:8px;width:30px;height:30px;border-radius:5px;background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.15);color:#ccc;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s;z-index:3}.sprite-card:hover .zoom-btn{opacity:1}.sprite-card .zoom-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.sprite-card .zoom-btn svg{width:18px;height:18px}.sprite-card .dl-btn{right:44px}.sprite-card:hover .dl-btn{opacity:1}.sprite-card .dl-btn:hover{background:var(--success);color:#fff;border-color:var(--success)}.sprite-card .dl-btn svg{width:16px;height:16px}.viewer-modal{display:none;position:fixed;inset:0;z-index:150;background:rgba(0,0,0,.85)}.viewer-modal.active{display:flex;flex-direction:column}.viewer-close,.viewer-header{display:flex;align-items:center}.viewer-header{justify-content:space-between;padding:10px 18px;background:rgba(0,0,0,.5);border-bottom:1px solid rgba(255,255,255,.1)}.viewer-header .title{font-size:14px;color:var(--text-dim)}.res-info span,.stats span,.viewer-footer span,.viewer-header .title span{color:var(--accent)}.viewer-close{width:32px;height:32px;border-radius:6px;border:0;background:rgba(255,255,255,.1);color:#fff;font-size:20px;cursor:pointer;justify-content:center;transition:background .15s}.viewer-close:hover{background:var(--accent)}.viewer-body{flex:1;overflow:hidden;position:relative;cursor:grab;background:repeating-conic-gradient(#222 0% 25%,#2a2a2a 0% 50%)0 0/20px 20px}.viewer-body.dragging{cursor:grabbing}.viewer-footer{display:flex;align-items:center;gap:16px;padding:8px 18px;background:rgba(0,0,0,.5);border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:var(--text-dim)}.loading-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:100;align-items:center;justify-content:center}.loading-overlay.active{display:flex}.loading-box{background:var(--surface);padding:30px 40px;border-radius:var(--radius);text-align:center}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--success);color:#fff;padding:10px 24px;border-radius:8px;font-size:14px;z-index:200;animation:fadeInUp .3s;display:none}.toast.show{display:block}.control-row input[type=number]{background:var(--bg);color:var(--text);padding:3px 8px;font-size:12px;width:76px}.preset-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}#resPpi,.control-row input[type=number],.preset-btn{border:1px solid var(--border);border-radius:4px}.preset-btn{padding:6px 0;background:0 0;color:var(--text-dim);font-size:11px;cursor:pointer;transition:all .15s;text-align:center}.preset-btn:hover{border-color:var(--accent);color:var(--accent)}.res-viewport{width:100%;height:100%;overflow:hidden;position:relative;cursor:grab;background:repeating-conic-gradient(#222 0% 25%,#2a2a2a 0% 50%)0 0/16px 16px;border-radius:8px}.res-viewport.dragging{cursor:grabbing}.res-info{font-size:14px;color:var(--text);text-align:center;line-height:1.6}.donation-footer{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:48px 20px;margin-top:16px;border-top:1px solid var(--border);text-align:center;display:none}.donation-qr{height:260px;width:auto;border-radius:8px;border:2px solid var(--border)}.donation-text{font-size:15px;color:var(--text-dim);margin:0}#resPpi{width:100%;background:var(--bg);color:var(--text);padding:6px 10px;font-size:12px;accent-color:var(--accent)}