:root{--font-display: "Inter", system-ui, -apple-system, sans-serif;--bg: #000000;--panel: rgba(28, 28, 30, .75);--panel-2: #2c2c2e;--line: rgba(255, 255, 255, .1);--text: #ffffff;--muted: #98989d;--accent: #0a84ff;--accent-text: #ffffff;--accent-2: #30d158;--bg-color: var(--bg);--panel-bg: var(--panel);--border-color: var(--line);--text-main: var(--text);--text-muted: var(--muted);--primary: var(--accent);--primary-hover: #007aff;--primary-active: #0062cc;--card-bg: var(--panel-2);--card-border: var(--line);--card-border-active: var(--accent);--nav-bg: var(--panel);--nav-border: var(--line)}:root[data-theme=light]{--font-display: "Inter", system-ui, -apple-system, sans-serif;--bg: #f2f2f7;--panel: rgba(255, 255, 255, .75);--panel-2: #edf0f5;--line: rgba(0, 0, 0, .1);--text: #1c1c1e;--muted: #8e8e93;--accent: #007aff;--accent-text: #ffffff;--accent-2: #34c759;--primary-hover: #0a84ff;--primary-active: #0062cc}*{box-sizing:border-box;margin:0;padding:0;font-family:var(--font-display)}body{background-color:var(--bg-color);color:var(--text-main);height:100vh;display:flex;flex-direction:column;overflow:hidden;padding:16px;box-sizing:border-box}.app-layout{display:grid;grid-template-columns:320px 1fr 320px;gap:16px;flex:1;overflow:hidden;height:100%}.sidebar{background:var(--panel-bg);backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);border-radius:16px;box-shadow:0 8px 32px #00000014;border:1px solid var(--border-color);display:flex;flex-direction:column;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border-color) transparent}.sidebar::-webkit-scrollbar{width:8px}.sidebar::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar-header{padding:20px 20px 10px;display:flex;flex-direction:column;gap:12px;border-bottom:1px solid var(--border-color)}.back-link{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;color:var(--text-main);text-decoration:none;background-color:var(--card-bg);border:1px solid var(--border-color);transition:background-color .2s,color .2s}.back-link:hover{background-color:var(--primary);color:#fff;border-color:var(--primary)}.app-title h1{font-size:20px;font-weight:700;margin:0;letter-spacing:-.02em}.app-subtitle{font-size:13px;color:var(--text-muted);margin-top:4px}.sidebar-content{padding:20px;display:flex;flex-direction:column;gap:24px;flex:1}.center-panel{display:flex;flex-direction:column;position:relative;border-radius:16px;background-color:var(--panel-bg);border:1px solid var(--border-color);overflow:hidden}.sidebar-section{display:flex;flex-direction:column;gap:12px}.section-title{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--text-muted);text-transform:uppercase}.image-upload-area{border:2px dashed var(--border-color);border-radius:12px;padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--card-bg);cursor:pointer;transition:all .2s}.image-upload-area:hover{border-color:var(--primary);background-color:#261f18}.secondary-btn{background-color:transparent;border:1px solid var(--border-color);color:var(--text-main);padding:8px 16px;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer}#source-preview{width:100%;border-radius:8px;object-fit:cover}.dropdown-select{width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--card-border);background-color:var(--card-bg);color:var(--text-main);font-size:14px;font-weight:500;cursor:pointer;appearance:none;outline:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 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var(--border-color);border-radius:12px;background-color:var(--card-bg);overflow:hidden}.sidebar-accordion summary{padding:16px;font-size:14px;font-weight:600;cursor:pointer;list-style:none;display:block;position:relative;user-select:none}.sidebar-accordion summary::-webkit-details-marker{display:none}.sidebar-accordion summary:after{content:"+";font-size:18px;color:var(--text-muted);position:absolute;right:16px;top:14px}.sidebar-accordion[open] summary:after{content:"-"}.accordion-content{padding:0 16px 8px;display:flex;flex-direction:column;gap:4px}.custom-slider-group{display:grid;grid-template-columns:1fr auto auto;align-items:center;row-gap:2px;column-gap:8px;margin-bottom:6px;background:transparent}.csg-header{display:contents}.csg-title{font-size:11px;font-weight:500;color:var(--text-main);grid-column:1;grid-row:1;display:flex;align-items:center;position:relative}.help-icon{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;border-radius:50%;background-color:var(--border-color);color:var(--text-muted);font-size:10px;font-weight:700;margin-left:6px;cursor:help;position:relative}.help-icon:hover{background-color:var(--primary);color:#fff}.help-icon .tooltip-text{visibility:hidden;width:180px;background-color:#333;color:#fff;text-align:left;border-radius:6px;padding:8px 10px;position:absolute;z-index:100;bottom:150%;left:0;opacity:0;transition:opacity .2s;font-size:11px;font-weight:400;box-shadow:0 4px 12px #00000080;pointer-events:none;line-height:1.4}.help-icon .tooltip-text:after{content:"";position:absolute;top:100%;left:10px;border-width:5px;border-style:solid;border-color:#333333 transparent transparent transparent}.help-icon:hover .tooltip-text{visibility:visible;opacity:1}.csg-reset{background:none;border:none;font-size:10px;color:var(--text-muted);cursor:pointer;padding:0;transition:color .2s;grid-column:3;grid-row:1}.csg-reset:hover{color:var(--text-main)}.csg-slider-wrapper{grid-column:1 / -1;grid-row:2;margin-bottom:2px}.csg-range{-webkit-appearance:none;width:100%;height:4px;border-radius:2px;background:var(--primary);outline:none}.csg-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:12px;height:12px;border-radius:50%;background:var(--bg-color);border:3px solid var(--primary);cursor:pointer;box-shadow:0 1px 3px #00000080}.csg-footer{display:contents}.csg-label-left,.csg-label-right{display:none}.csg-value-pill{background:#2a2a2a;padding:0 6px;border-radius:6px;font-size:11px;font-weight:500;color:var(--text-main);box-shadow:0 1px 4px #0006;grid-column:2;grid-row:1;min-width:28px;text-align:center}.levels-group{display:flex!important;flex-direction:column!important;background:#1a1a1a;padding:12px;border-radius:12px;box-shadow:0 4px 12px #0003}.levels-group .csg-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.levels-desc{font-size:11px;color:var(--text-muted);margin-bottom:8px}.levels-sliders{display:flex;justify-content:space-between;gap:8px}.level-col{display:flex;flex-direction:column;align-items:center;flex:1}.level-label{font-size:10px;font-weight:700;color:var(--text-muted);margin-bottom:8px;letter-spacing:.5px}.level-input{width:50px;background:#2a2a2a;border:1px solid var(--border-color);border-radius:6px;color:var(--text-main);text-align:center;font-size:13px;padding:4px}.level-input:focus{outline:none;border-color:var(--primary);background:#333}.custom-toggle-group{display:flex;justify-content:space-between;align-items:center;margin-top:24px;padding:16px;background:var(--card-bg);border-radius:16px;box-shadow:0 4px 12px #00000005}.ctg-text{display:flex;flex-direction:column;gap:8px;padding-right:16px}.ctg-title{font-size:13px;font-weight:600;color:var(--text-main)}.ctg-desc{font-size:12px;color:var(--text-muted);line-height:1.4}.switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0}.switch input{opacity:0;width:0;height:0}.slider.round{position:absolute;cursor:pointer;inset:0;background-color:var(--border-color);transition:.2s;border-radius:24px}.slider.round:before{position:absolute;content:"";height:20px;width:20px;left:2px;bottom:2px;background-color:var(--text-main);transition:.2s;border-radius:50%;box-shadow:0 2px 4px #0000001a}input:checked+.slider.round{background-color:var(--primary)}input:checked+.slider.round:before{transform:translate(20px)}.workspace{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;background-color:var(--bg-color)}.canvas-container{position:relative;width:calc(100% - 48px);max-height:calc(100% - 48px);max-width:800px;aspect-ratio:1/1;background-color:var(--card-bg);border-radius:24px;box-shadow:0 8px 32px #0000000a;border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;overflow:hidden}#string-canvas{width:90%;height:90%;object-fit:contain}.canvas-controls{position:absolute;top:24px;right:24px;display:flex;align-items:center;background-color:var(--card-bg);border-radius:24px;box-shadow:0 4px 16px #0000000f;border:1px solid var(--border-color);padding:4px;gap:12px}.canvas-controls button{background:transparent;border:none;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-main);transition:background-color .2s}.canvas-controls button:hover{background-color:var(--bg-color)}#zoom-level{font-size:13px;font-weight:600;min-width:48px;text-align:center}.action-bar{position:absolute;bottom:32px;display:flex;align-items:center;background-color:var(--card-bg);border-radius:32px;box-shadow:0 8px 32px #00000014;padding:8px;gap:16px;border:1px solid var(--border-color)}.primary-btn{display:flex;align-items:center;gap:8px;background-color:var(--primary);color:#fff;border:none;padding:12px 24px;border-radius:24px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s}.primary-btn:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-1px)}.primary-btn:disabled{background-color:#333;color:#777;cursor:not-allowed}.stats{display:flex;gap:24px;padding:0 16px}.stat{display:flex;flex-direction:column}.stat-label{font-size:10px;font-weight:700;color:var(--text-muted);letter-spacing:.05em}.stat-value{font-size:16px;font-weight:600;color:var(--primary)}#preview-wrapper{display:flex}.preview-tooltip{position:static;background:#333;padding:6px 16px;border-radius:20px;font-size:11px;font-weight:500;color:var(--text-main);border:1px solid var(--border-color);box-shadow:0 4px 12px #0000000d;z-index:10;pointer-events:none;margin-bottom:-4px;text-align:center}.preview-dpad{position:absolute;bottom:50px;right:-20px;display:flex;flex-direction:column;align-items:center;gap:4px;z-index:10}.dpad-row{display:flex;gap:4px}.dpad-btn{width:32px;height:32px;border-radius:50%;background:var(--card-bg);border:1px solid var(--border-color);display:flex;justify-content:center;align-items:center;cursor:pointer;color:var(--text-main);box-shadow:0 2px 8px #0000000d;transition:background .1s}.dpad-btn:hover{background:#333}.dpad-btn:active{background:#111}.center-dot{width:8px;height:8px;border-radius:50%;background:var(--primary)}.preview-zoom-controls{position:absolute;bottom:0;right:-20px;display:flex;align-items:center;background:var(--card-bg);border:1px solid var(--border-color);border-radius:20px;padding:4px 8px;box-shadow:0 4px 12px #0000000d;gap:8px;z-index:10}.pz-btn{background:none;border:none;cursor:pointer;display:flex;color:var(--text-main);border-radius:50%;width:24px;height:24px;align-items:center;justify-content:center}.pz-btn:hover{background:#333}#preview-zoom-level{font-size:11px;font-weight:600;min-width:36px;text-align:center}.pz-divider{width:1px;height:16px;background:var(--border-color)}.image-upload-area{padding:16px;overflow:visible}.segment-control{display:grid;gap:8px}.segment-control.cols-2{grid-template-columns:1fr 1fr}.segment-control.cols-3{grid-template-columns:1fr 1fr 1fr}.segment-control.cols-wrap{flex-wrap:wrap}.segment{display:flex;align-items:center;justify-content:center;padding:8px 12px;background:var(--panel-2);border:1px solid var(--border-color);border-radius:8px;color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .15s}.segment input{display:none}.segment:hover{background:var(--bg-color);color:var(--text-main)}.segment:has(input:checked){background:var(--primary);color:var(--accent-text);border-color:var(--primary);font-weight:500;box-shadow:0 4px 12px #007aff4d}.shape-grid{display:grid;gap:8px;grid-template-columns:repeat(3,1fr)}.shape-btn{display:flex;align-items:center;justify-content:center;padding:12px;background:var(--panel-2);border:1px solid var(--border-color);border-radius:8px;color:var(--text-muted);cursor:pointer;transition:all .15s}.shape-btn input{display:none}.shape-btn:hover{background:var(--bg-color);color:var(--text-main)}.shape-btn:has(input:checked){background:var(--primary);color:var(--accent-text);border-color:var(--primary);box-shadow:0 4px 12px #007aff4d}.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:opacity .2s,background .2s}.primary-btn{background:var(--primary);color:var(--accent-text)}.primary-btn:hover{opacity:.9}.secondary-btn{background:var(--panel-2);color:var(--text-main);border:1px solid var(--border-color)}.secondary-btn:hover{background:var(--border-color)}.primary-btn:disabled,.secondary-btn:disabled{opacity:.5;cursor:not-allowed}.sidebar-content{gap:16px}.sidebar-section{gap:8px;border-bottom:1px solid var(--border-color);padding-bottom:16px}.sidebar-section:last-child{border-bottom:none;padding-bottom:0}.canvas-container{justify-content:center}@media(max-width:900px){body{height:auto!important;overflow-y:auto!important;padding-bottom:24px}#layout,.app-layout,.csg-layout,.main-container{display:flex!important;flex-direction:column!important;height:auto!important;overflow:visible!important}#viewport,#preview-wrapper,.wz-canvas,.center-panel,.viewport{order:-1!important;position:sticky!important;top:0!important;z-index:100!important;min-height:40vh!important;height:40vh!important;width:100%!important;flex:none!important;background:var(--bg-color)!important;box-shadow:0 4px 12px #0003!important}.sidebar,.left-panel,.right-panel{width:100%!important;height:auto!important;max-height:none!important;overflow:visible!important}.left-panel{order:3!important}.right-panel{order:2!important}#topbar{flex-wrap:wrap;height:auto}}