:root{--text: #6b6375;--text-h: #08060d;--bg: #fff;--border: #e5e4e7;--code-bg: #f4f3ec;--accent: #aa3bff;--accent-bg: rgba(170, 59, 255, .1);--accent-border: rgba(170, 59, 255, .5);--social-bg: rgba(244, 243, 236, .5);--shadow: rgba(0, 0, 0, .1) 0 10px 15px -3px, rgba(0, 0, 0, .05) 0 4px 6px -2px;--sans: system-ui, "Segoe UI", Roboto, sans-serif;--heading: system-ui, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (max-width: 1024px){:root{font-size:16px}}@media (prefers-color-scheme: dark){:root{--text: #9ca3af;--text-h: #f3f4f6;--bg: #16171d;--border: #2e303a;--code-bg: #1f2028;--accent: #c084fc;--accent-bg: rgba(192, 132, 252, .15);--accent-border: rgba(192, 132, 252, .5);--social-bg: rgba(47, 48, 58, .5);--shadow: rgba(0, 0, 0, .4) 0 10px 15px -3px, rgba(0, 0, 0, .25) 0 4px 6px -2px}#social .button-icon{filter:invert(1) brightness(2)}}#root{width:1126px;max-width:100%;margin:0 auto;text-align:center;min-height:100svh;display:flex;flex-direction:column;box-sizing:border-box}body{margin:0}h1,h2{font-family:var(--heading);font-weight:500;color:var(--text-h)}h1{font-size:56px;letter-spacing:-1.68px;margin:32px 0}@media (max-width: 1024px){h1{font-size:36px;margin:20px 0}}h2{font-size:24px;line-height:118%;letter-spacing:-.24px;margin:0 0 8px}@media (max-width: 1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);display:inline-flex;border-radius:4px;color:var(--text-h)}code{font-size:15px;line-height:135%;padding:4px 8px;background:var(--code-bg)}:root{--bg: linear-gradient(180deg, #0f1724 0%, #121826 35%, #1b2535 100%);--text: #f5f7fb;--muted: rgba(245, 247, 251, .64);--panel: rgba(255, 255, 255, .08);--panel-border: rgba(255, 255, 255, .12);--accent: linear-gradient(135deg, #7dd3fc, #6ee7b7 70%);--accent-hover: linear-gradient(135deg, #a5d8f7, #86ecbb 70%);--success: #6ee7b7;--danger: #fda4af;--radius: 12px;--blur: blur(20px)}body{font-family:SF Pro Display,PingFang SC,Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;margin:0;padding:40px 20px;display:flex;justify-content:center;background-attachment:fixed}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:24px 24px;z-index:-1;pointer-events:none}.sprite-generator{position:relative;width:100%;max-width:1280px;background:var(--panel);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--panel-border);border-radius:20px;padding:40px;box-shadow:0 18px 40px #04091266}.lang-toggle{position:absolute;top:20px;right:20px;display:flex;background:#0003;border:1px solid var(--panel-border);border-radius:8px;padding:4px;gap:2px;z-index:10}.lang-btn{padding:4px 10px;font-size:12px;font-weight:700;color:var(--muted);cursor:pointer;border-radius:5px;transition:all .2s;text-transform:uppercase}.lang-btn.active{background:#ffffff1a;color:var(--success)}.lang-btn:hover:not(.active){color:var(--text)}header{text-align:center;margin-bottom:28px}h1{font-size:32px;font-weight:700;letter-spacing:-.02em;margin-bottom:8px;line-height:1.6;background:var(--accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}h3{font-size:14px;font-weight:400;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.layout-main{display:grid;grid-template-columns:320px 1fr;gap:32px}@media (max-width: 850px){.layout-main{grid-template-columns:1fr}}.sidebar{display:flex;flex-direction:column;gap:32px}.sidebar-group,.canvas-group{display:flex;flex-direction:column;gap:8px}.assets-content{display:flex;flex-direction:column;gap:16px}.section-title{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;display:flex;align-items:center;gap:8px}.section-title:after{content:"";flex:1;height:1px;background:var(--panel-border)}.sprite-settings{display:flex;flex-direction:column;gap:16px}.control-row{display:flex;flex-direction:column;gap:8px}label{font-size:12px;color:var(--muted);text-align:left}select,input[type=number],input[type=text]{background:#ffffff0d;border:1px solid var(--panel-border);border-radius:8px;color:var(--text);padding:10px 12px;font-size:16px;font-weight:600;outline:none;transition:all .2s;height:40px;box-sizing:border-box}select:hover,input:hover{border-color:#fff6;background:#ffffff14}select:focus,input:focus{border-color:var(--success);box-shadow:0 0 0 2px #6ee7b71a}.upload-area{border:2px dashed var(--panel-border);border-radius:12px;padding:32px 16px;text-align:center;cursor:pointer;transition:all .3s;background:#ffffff05}.upload-area:hover{border-color:var(--success);background:#6ee7b70a}.upload-area.drag-over{border-color:var(--success);background:#6ee7b71a;transform:scale(1.02)}.upload-area input{display:none}.upload-label{font-size:13px;font-weight:500;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:12px}.upload-icon{width:40px;height:40px;background:#ffffff0d;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:4px;color:var(--success);font-size:20px;border:1px solid var(--panel-border)}#preview-container{display:flex;flex-direction:column;gap:12px;margin-top:4px;max-height:630px;overflow-y:auto;padding-right:4px}#preview-container::-webkit-scrollbar{width:4px}#preview-container::-webkit-scrollbar-thumb{background:var(--panel-border);border-radius:4px}.preview-wrapper{background:#ffffff0a;border:1px solid var(--panel-border);border-radius:8px;padding:8px 12px;transition:all .2s}.preview-wrapper:hover{background:#ffffff14;border-color:#fff3}.preview-content-wrapper{display:flex;align-items:center;gap:8px}.image-index{font-family:JetBrains Mono,monospace;font-size:14px;color:var(--muted);width:20px;flex-shrink:0;opacity:.5;font-weight:800}.preview-image{width:32px;height:32px;object-fit:contain;background:#000;border-radius:4px;padding:2px;border:1px solid var(--panel-border)}.preview-file-info{flex:1;display:flex;align-items:center;justify-content:space-between;min-width:0}.preview-filename{font-size:12px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-close-btn{color:var(--muted);cursor:pointer;font-size:18px;padding:4px;line-height:1;transition:color .2s}.preview-close-btn:hover{color:var(--danger)}.canvas-section{display:flex;flex-direction:column;gap:32px}.canvas-wrapper{position:relative;background-image:linear-gradient(45deg,rgba(0,0,0,.2) 25%,transparent 25%),linear-gradient(-45deg,rgba(0,0,0,.2) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(0,0,0,.2) 75%),linear-gradient(-45deg,transparent 75%,rgba(0,0,0,.2) 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px;border:1px solid var(--panel-border);border-radius:12px;overflow:auto;min-height:200px;display:flex;align-items:center;justify-content:center;padding:20px}.sprite-preview-download-btn{position:absolute;top:16px;right:16px;z-index:5;background:#0000007a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--panel-border);border-radius:8px;color:var(--text);font-size:12px;font-weight:700;padding:6px 10px;display:inline-flex;align-items:center;gap:6px;cursor:pointer;transition:all .2s}.sprite-preview-download-btn:hover{border-color:#6ee7b773;color:var(--success);transform:translateY(-1px)}#sprite-canvas{box-shadow:0 12px 32px #0006;max-width:100%}.animation-section{background:#0003;border-radius:12px;border:1px solid var(--panel-border);padding:0;display:flex;flex-direction:column;overflow:hidden}.canvas-container{padding:32px;display:flex;align-items:center;justify-content:center;min-height:200px;position:relative;background-image:linear-gradient(45deg,rgba(255,255,255,.05) 25%,transparent 25%),linear-gradient(-45deg,rgba(255,255,255,.05) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(255,255,255,.05) 75%),linear-gradient(-45deg,transparent 75%,rgba(255,255,255,.05) 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px}#anim-preview-canvas{max-width:100%;max-height:400px;box-shadow:0 20px 50px #00000080;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.preview-badges{position:absolute;top:16px;right:16px;display:flex;flex-direction:column;align-items:flex-end;gap:8px;z-index:5;pointer-events:none}.frame-indicator,.sort-indicator{background:#0006;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:4px 10px;border-radius:6px;border:1px solid var(--panel-border);font-family:JetBrains Mono,monospace;font-size:12px;font-weight:800}.frame-indicator{color:#fff}.sort-indicator{color:var(--success)}.sort-indicator.interactive{cursor:pointer;pointer-events:auto;transition:all .2s}.sort-indicator.interactive:hover{background:#0000001a;border-color:var(--success);transform:scale(1.05)}.anim-footer{display:flex;flex-direction:column;padding-top:20px}.timeline-container{position:relative;height:2px;background:#ffffff1a;width:100%;cursor:pointer;transition:height .2s;padding:0 20px;box-sizing:border-box}.timeline-container:hover{height:4px}.timeline-inner-track{position:relative;width:100%;height:100%}.timeline-progress{position:absolute;top:0;left:0;height:100%;background:var(--success);pointer-events:none;z-index:1}.timeline-ticks{position:absolute;bottom:100%;left:0;width:100%;height:14px;opacity:0;transition:opacity .2s;pointer-events:none}.timeline-container:hover .timeline-ticks{opacity:1}.timeline-tick{position:absolute;bottom:0;width:1px;height:4px;background:#fff6;transform:translate(-50%)}.timeline-tick.key{height:7px;background:#fffc}.tick-label{position:absolute;bottom:4px;left:50%;transform:translate(-50%);font-size:10px;color:#fff;font-family:JetBrains Mono,monospace;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.8)}.timeline-slider{position:absolute;top:50%;left:-6px;width:calc(100% + 12px);height:20px;transform:translateY(-50%);opacity:0;cursor:pointer;z-index:2;margin:0;background:transparent;-webkit-appearance:none;-moz-appearance:none;appearance:none}.timeline-container:hover .timeline-slider{opacity:1}.timeline-slider::-webkit-slider-runnable-track{background:transparent}.timeline-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:12px;width:12px;border-radius:50%;background:#fff;box-shadow:0 0 10px #00000080;cursor:pointer;opacity:0;transition:opacity .2s,transform .2s}.timeline-container:hover .timeline-slider::-webkit-slider-thumb{opacity:1}.timeline-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.anim-controls-v2{background:#0006;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.controls-left{display:flex;align-items:center;gap:12px}.controls-right{display:flex;align-items:center;gap:8px}.control-toggle{background:#ffffff0d;border:1px solid var(--panel-border);border-radius:6px;color:var(--muted);padding:6px 10px;font-size:11px;font-weight:600;display:flex;align-items:center;gap:6px;cursor:pointer;transition:all .2s}.control-toggle:hover{background:#ffffff1a;color:var(--text)}.control-toggle.disabled{opacity:.5;cursor:not-allowed;filter:grayscale(1);pointer-events:none}.control-toggle.active{color:var(--success);background:#6ee7b71a;border-color:#6ee7b74d}.check-icon{color:var(--success)}.play-btn-v2{width:36px;height:36px;border-radius:50%;background:var(--success);border:none;color:#0f1724;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #6ee7b74d}.play-btn-v2:hover{transform:scale(1.1);background:#8ef3c9}.control-divider{width:1px;height:20px;background:var(--panel-border);margin:0 4px}.control-item-v2{display:flex;align-items:center;gap:8px}.color-picker-v2{width:28px;height:28px;border:1px solid var(--panel-border);background:none;padding:0;border-radius:4px;cursor:pointer;overflow:hidden}.color-picker-v2::-webkit-color-swatch-wrapper{padding:0}.color-picker-v2::-webkit-color-swatch{border:none}.speed-select-v2{background:#ffffff0d;border:1px solid var(--panel-border);border-radius:6px;color:var(--text);font-size:11px;font-weight:600;padding:5px 24px 5px 10px;cursor:pointer;outline:none;height:30px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='10' viewBox='0 0 10 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 4L5 7L8 4' stroke='rgba(255,255,255,0.5)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;background-size:10px;transition:all .2s}.speed-select-v2:focus{border-color:var(--success);box-shadow:0 0 0 2px #6ee7b733;background-image:url("data:image/svg+xml,%3Csvg width='10' height='10' viewBox='0 0 10 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 4L5 7L8 4' stroke='rgba(110,231,183,0.8)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;background-size:10px}.dim-info{display:flex;flex-direction:column;align-items:flex-start;gap:4px;background:#0003;padding:6px 10px;border-radius:6px;border:1px solid var(--panel-border)}.dim-label{font-size:11px;text-transform:uppercase;color:var(--muted);font-weight:700;letter-spacing:.05em}.dim-content{display:flex;align-items:center;gap:8px;width:100%}.dim-value{font-size:11px;font-family:JetBrains Mono,monospace;color:var(--success);font-weight:600}.custom-dim-inputs{display:flex;align-items:center;gap:4px;margin-left:8px}.custom-dim-inputs input{width:42px;background:#ffffff0d;border:1px solid var(--panel-border);border-radius:4px;color:var(--text);font-size:11px;font-family:JetBrains Mono,monospace;padding:2px 4px;outline:none;text-align:center;-webkit-appearance:textfield;appearance:textfield;-moz-appearance:textfield}.custom-dim-inputs input::-webkit-outer-spin-button,.custom-dim-inputs input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.custom-dim-inputs input:focus{border-color:var(--success);background:#6ee7b70d}.custom-dim-inputs span{font-size:10px;color:var(--muted)}.code-section{background:#0003;border-radius:12px;border:1px solid var(--panel-border);position:relative;overflow:hidden}.copy-btn{position:absolute;top:12px;right:28px;background:#ffffff0d;border:1px solid var(--panel-border);border-radius:6px;color:var(--muted);padding:6px 10px;font-size:11px;font-weight:600;display:flex;align-items:center;gap:6px;cursor:pointer;transition:all .2s;z-index:10;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.copy-btn:hover{background:#ffffff1a;color:var(--text);border-color:#fff3}.copy-btn.copied{background:#6ee7b71a;color:var(--success);border-color:#6ee7b74d}.copy-btn span{text-transform:uppercase;letter-spacing:.02em}#css-output{padding:24px;margin:0;font-family:JetBrains Mono,Fira Code,Cascadia Code,Source Code Pro,Menlo,Monaco,Courier New,monospace;font-size:13px;line-height:1.6;color:#fff;max-height:400px;overflow:auto;text-align:left}#css-output code{background:none;padding:0;color:inherit;font-size:inherit;display:block}pre{margin:0}.download-sprite-btn,.sort-button{background:var(--accent);border:none;border-radius:8px;color:#0f1724;font-size:13px;font-weight:700;padding:0 20px;height:36px;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #6ee7b733}.download-sprite-btn:hover,.sort-button:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 16px #6ee7b74d}.sort-controls{display:flex;justify-content:space-between;align-items:center;margin-top:16px;margin-bottom:4px}.image-upload-count{font-size:12px;color:var(--muted)}.count-number{font-size:15px;font-weight:800;color:var(--text);font-family:JetBrains Mono,monospace;margin-right:2px}.clear-button{background:none;border:none;color:var(--danger);font-size:11px;font-weight:700;text-transform:uppercase;cursor:pointer;padding:4px 10px;border-radius:4px;transition:all .2s;opacity:.8}.clear-button:hover{opacity:1;background:#fda4af1a}#sprite-download-container{margin-top:12px}