:root{--bg: #f5f4f0;--panel: #ffffff;--panel-2: #eae7df;--hover: #dfdad0;--border: #d4cfc4;--border-strong: #a8a093;--text: #2c2925;--muted: #6b635b;--light: #8c847a;--accent: #b85d34;--accent-hover: #9e4c27;--accent-soft: #fbf2ee;--danger: #b93838;--shadow: 0 4px 12px rgba(44, 41, 37, .05);--shadow-lg: 0 10px 25px -5px rgba(44, 41, 37, .08);--radius: 10px}.dark-mode{--bg: #181715;--panel: #22211e;--panel-2: #2d2b27;--hover: #383531;--border: #3d3a35;--border-strong: #59544d;--text: #f0eee9;--muted: #a39b90;--light: #7a7369;--accent: #d47a55;--accent-hover: #e08c69;--accent-soft: rgba(212, 122, 85, .12);--danger: #d95353;--shadow: 0 4px 15px rgba(0, 0, 0, .25);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .4)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;margin:0;overflow:hidden;background:var(--bg);color:var(--text);font-family:Plus Jakarta Sans,sans-serif;user-select:none}button,input{font:inherit}button{color:var(--text);display:inline-flex;align-items:center;justify-content:center;gap:6px}button svg{width:16px;height:16px;flex-shrink:0;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.app{width:100%;height:100%;display:flex;background:var(--bg)}.main-panel{width:100%;height:100%;min-width:0;min-height:0;display:flex;flex-direction:column}.panel-header{height:60px;min-height:60px;padding:0 12px;display:flex;align-items:center;justify-content:space-between;background:var(--panel);border-bottom:1px solid var(--border);box-shadow:var(--shadow);z-index:20}.header-actions{display:flex;align-items:center;gap:6px}.panel-header button{height:40px;padding:0 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-2);color:var(--text);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s ease,border-color .15s ease}.panel-header button:hover{background:var(--hover);border-color:var(--border-strong)}#btn-clear{color:var(--danger);border-color:#b938384d}#btn-clear:hover{background:#b9383814;border-color:var(--danger)}.desktop-only{display:inline-flex}.workspace-body{flex:1;min-width:0;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 300px;position:relative}.canvas-container{position:relative;min-width:0;min-height:0;overflow:hidden;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,var(--border) 1px,transparent 1px),var(--panel);background-size:24px 24px;background-position:center}.webgl{width:100%;height:100%;display:block;cursor:crosshair;touch-action:none}.webgl:active{cursor:grabbing}.fold-controls{position:absolute;top:20px;right:20px;width:280px;background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);padding:14px;display:flex;flex-direction:column;gap:12px;z-index:10;backdrop-filter:blur(10px);transition:width .25s ease,padding .25s ease}.fold-controls-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:8px;border-bottom:1px solid var(--border)}.fold-controls-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);display:flex;align-items:center}.btn-minimize{width:28px;height:28px;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease,border-color .15s ease}.btn-minimize:hover{background:var(--hover);color:var(--text);border-color:var(--border-strong)}.fold-controls-body{display:flex;flex-direction:column;gap:10px}.fold-controls.minimized{width:190px;padding:10px 14px}.fold-controls.minimized .fold-controls-header{padding-bottom:0;border-bottom:none}.fold-controls.minimized .fold-controls-body{display:none}.control-group{width:100%;display:flex;align-items:center;justify-content:space-between;background:var(--panel-2);padding:8px 12px;border-radius:var(--radius);border:1px solid var(--border)}.control-group label{color:var(--muted);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.fold-controls input[type=range]{accent-color:var(--accent);cursor:pointer}.angle-visual{width:26px;height:26px;flex:0 0 auto;position:relative;border:1px solid var(--border-strong);border-radius:50%;background:var(--panel)}.angle-indicator{position:absolute;top:50%;left:50%;width:50%;height:2px;border-radius:2px;background:var(--accent);transform-origin:left center}.angle-value{min-width:44px;color:var(--accent);font-size:11.5px;font-weight:600;font-family:JetBrains Mono,monospace;text-align:right}#btn-direction,.delete-button{height:36px;border-radius:var(--radius);cursor:pointer;font-size:12px;font-weight:600;transition:background .15s ease,border-color .15s ease}#btn-direction{border:1px solid var(--border);background:var(--panel);color:var(--text);padding:0 12px;width:100%;margin-left:20px;height:30px}#btn-direction:hover{background:var(--hover);border-color:var(--border-strong)}.delete-button{width:100%;border:1px solid rgba(185,56,56,.3);background:#b938380f;color:var(--danger);justify-content:center}.delete-button:hover{background:#b9383826;border-color:var(--danger)}.folds-sidebar{min-width:0;min-height:0;display:flex;flex-direction:column;overflow:hidden;background:var(--panel);border-left:1px solid var(--border);z-index:3}.sidebar-title{min-height:50px;padding:0 16px;display:flex;align-items:center;border-bottom:1px solid var(--border);color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:var(--panel-2)}.folds-list{flex:1;min-height:0;margin:0;padding:12px;list-style:none;display:flex;flex-direction:column;gap:8px;overflow-y:auto;overscroll-behavior:contain}.fold-item{min-height:52px;padding:8px 10px 8px 12px;display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-2);color:var(--text);font-size:13px;font-weight:600;cursor:grab;touch-action:none;transition:background .15s ease,border-color .15s ease}.fold-item:hover{background:var(--hover);border-color:var(--border-strong)}.fold-item.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.fold-item.selected:before{background:var(--accent)}.fold-name{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:JetBrains Mono,monospace;font-size:12px}.fold-item-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.fold-item button.item-move,.fold-item button.item-del{width:32px;height:32px;padding:0;border:0;border-radius:8px;background:transparent;display:flex;align-items:center;justify-content:center;cursor:pointer}.fold-item button.item-move{color:var(--muted)}.fold-item button.item-move:hover{background:var(--panel);color:var(--text)}.fold-item button.item-del{color:var(--light)}.fold-item button.item-del:hover{color:var(--danger);background:#b938381a}.panel-footer{height:80px;min-height:80px;padding:0 20px;display:grid;grid-template-columns:auto 1fr auto auto auto;align-items:center;gap:16px;background:var(--panel);border-top:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:4}.timeline-transport{display:flex;align-items:center;gap:6px}.timeline-transport button,.timeline-direction button{width:38px;height:38px;padding:0;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s ease,border-color .15s ease}.timeline-transport button:hover,.timeline-direction button:hover{background:var(--hover);border-color:var(--border-strong)}.timeline-transport .timeline-play{width:46px;background:var(--accent);border-color:var(--accent);color:#fff}.timeline-transport .timeline-play:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.timeline-time{min-width:90px;color:var(--muted);white-space:nowrap;font-size:12px;font-family:JetBrains Mono,monospace}.timeline-time span:first-child{color:var(--text);font-weight:600}.timeline{min-width:0;width:100%;height:40px;display:flex;align-items:center}.timeline-track{position:relative;width:100%;height:8px;border-radius:4px;background:var(--panel-2);border:1px solid var(--border);cursor:pointer;touch-action:none}.timeline-track:before{content:"";position:absolute;inset:-14px 0}.timeline-progress{position:absolute;inset:0 auto 0 0;width:0%;border-radius:3px;background:var(--accent);pointer-events:none}.timeline-handle{position:absolute;top:50%;left:0;width:18px;height:18px;border:2px solid var(--accent);border-radius:50%;background:var(--panel);transform:translate(-50%,-50%);pointer-events:none;box-shadow:0 2px 6px #2c29251f}.timeline-direction{display:none;justify-content:flex-end}.selected-info{font-size:12px;color:var(--muted);font-weight:500}@media (max-width: 768px){.panel-header{padding:0 8px;gap:4px}.header-actions{gap:4px}.panel-header button{height:36px;padding:0 8px}.panel-header button .desktop-only{display:none!important}.workspace-body{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) 104px}.folds-sidebar{height:104px;min-height:104px;border:0;border-top:1px solid var(--border);order:2;overflow:hidden}.sidebar-title{height:30px;min-height:30px;padding:0 10px;background:var(--panel);font-size:9px}.sidebar-title:before{content:"CREASES";width:auto;height:auto;margin-right:6px;border-radius:0;background:none;font-family:JetBrains Mono,monospace;letter-spacing:.06em}.folds-list{width:100%;min-width:0;height:74px;padding:6px 8px 8px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:30px;align-content:start;gap:5px;overflow-x:hidden;overflow-y:auto}.fold-item{width:100%;min-width:0;min-height:30px;height:30px;padding:3px 5px 3px 7px;gap:5px;border-radius:7px;font-size:10px}.fold-item.selected{box-shadow:inset 0 0 0 1px #b85d3414}.fold-name{min-width:0;font-size:9.5px;line-height:1}.fold-item-actions{gap:1px}.fold-item button.item-move,.fold-item button.item-del{width:24px;height:24px;border-radius:5px}.fold-item button.item-move{font-size:10px}.fold-item button.item-del{font-size:13px}.panel-footer{height:70px;min-height:70px;padding:0 10px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px}.timeline-transport{gap:4px}.timeline-transport button{width:34px;height:34px}.timeline-transport .timeline-play{width:40px}.timeline{width:100%;min-width:0}.timeline-time{min-width:auto;font-size:10.5px;white-space:nowrap}.timeline-direction,.selected-info{display:none!important}.fold-controls{top:12px;right:12px;left:auto;width:260px;max-width:calc(100% - 24px)}.fold-controls.minimized{width:190px;max-width:calc(100% - 24px)}}@media (max-width: 480px){.panel-header{height:54px;min-height:54px;padding:0 6px}.panel-header button{height:34px;padding:0 6px}.header-actions{gap:3px}.workspace-body{grid-template-rows:minmax(0,1fr) 108px}.folds-sidebar{height:108px;min-height:108px}.sidebar-title{height:30px;min-height:30px}.folds-list{height:78px;grid-auto-rows:31px;gap:5px;padding:6px 7px 8px}.fold-item{height:31px;min-height:31px}.fold-name{font-size:9px}.fold-item button.item-move,.fold-item button.item-del{width:23px;height:23px}.panel-footer{height:70px;min-height:70px;padding:0 8px;gap:6px}.timeline-transport{gap:2px}.timeline-transport button{width:32px;height:32px}.timeline-transport .timeline-play{width:38px}.timeline-time{font-size:9px}.fold-controls{top:10px;right:10px;width:245px;max-width:calc(100% - 20px);padding:12px}.fold-item-actions{width:50px;gap:0}}