:root{--bg: #ffffff;--sidebar-bg: #ececec;--panel: rgba(255, 255, 255, .98);--panel-border: rgba(0, 0, 0, .1);--shadow: 0 6px 28px rgba(0, 0, 0, .16);--shadow-sm: 0 1px 4px rgba(0, 0, 0, .12);--accent: #ffd60a;--accent-blue: #2f9fec;--sel-blue: #1a8cff;--text: #1d1d1f;--text-dim: #8a8a8e;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box;-webkit-user-select:none;user-select:none}html,body,#root{margin:0;height:100%;width:100%;overflow:hidden;background:var(--bg);color:var(--text)}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}button:disabled{cursor:default}input,textarea{font-family:inherit;-webkit-user-select:text;user-select:text}.app-shell{display:flex;height:100%;width:100%}.app-content{flex:1;position:relative;min-width:0;background:var(--bg)}.sidebar{width:240px;flex-shrink:0;background:var(--sidebar-bg);border-right:1px solid rgba(0,0,0,.08);padding:52px 12px 12px;display:flex;flex-direction:column;gap:2px}.sidebar-title{font-size:12px;font-weight:700;color:var(--text-dim);padding:4px 10px 8px;text-transform:none}.sidebar-nav{display:flex;flex-direction:column;gap:1px}.sidebar-item{display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:7px;font-size:14px;color:var(--text);text-align:left}.sidebar-item:hover{background:#0000000d}.sidebar-item.active{background:#d4d4d6}.sb-icon{width:22px;height:22px;border-radius:6px;display:grid;place-items:center;color:#fff;font-size:12px;flex-shrink:0;box-shadow:inset 0 0 0 .5px #0000001a}.sb-label{flex:1}.sb-count{color:var(--text-dim);font-size:13px}.window-toolbar,.ff-topbar .tb-left,.ff-topbar .tb-right{display:flex;align-items:center}.window-toolbar{height:52px;padding:0 16px;gap:8px;border-bottom:1px solid rgba(0,0,0,.07)}.window-toolbar .spacer{flex:1}.toolbar-icon{width:32px;height:30px;border-radius:7px;display:grid;place-items:center;font-size:17px;color:#6b6b70}.toolbar-icon:hover{background:#0000000f}.login-screen{height:100%;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 30% 20%,#fff7d6,#f1f1f3)}.login-card{background:var(--panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--panel-border);border-radius:20px;box-shadow:var(--shadow);padding:40px;width:360px;text-align:center}.login-card .logo{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--accent),#ff9f0a);margin:0 auto 20px;display:grid;place-items:center;font-size:32px;color:#fff;box-shadow:0 4px 16px #ff9f0a59}.login-card h1{font-size:22px;margin:0 0 4px}.login-card p{color:var(--text-dim);font-size:14px;margin:0 0 24px}.login-card input{width:100%;padding:12px 14px;font-size:15px;border-radius:10px;border:1px solid var(--panel-border);background:#fff;margin-bottom:12px}.login-card input:focus{outline:2px solid var(--accent-blue)}.login-card input.err{border-color:#ff3b30;outline:2px solid #ff3b30}.login-card button.primary{width:100%;padding:12px;font-size:15px;font-weight:600;border-radius:10px;background:var(--accent-blue);color:#fff}.login-card button.primary:hover{filter:brightness(1.08)}.login-error{color:#ff3b30;font-size:13px;margin-bottom:12px;min-height:16px}.boards-screen{height:100%;display:flex;flex-direction:column}.boards-body{flex:1;overflow-y:auto;padding:8px 48px 48px}.boards-h1{font-size:34px;font-weight:700;color:var(--accent-blue);margin:16px 0 28px}.boards-empty{color:var(--text-dim)}.boards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:28px 24px}.board-tile{cursor:pointer;position:relative}.board-tile .thumb{height:150px;border-radius:12px;border:1px solid rgba(0,0,0,.1);background:#fff;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .12s,box-shadow .12s;position:relative}.board-tile:hover .thumb{transform:translateY(-2px);box-shadow:var(--shadow)}.thumb-empty,.thumb-content{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(rgba(0,0,0,.13) 1px,transparent 1px);background-size:14px 14px}.thumb-sticky{position:absolute;width:38%;height:30%;background:#ffe08a;border-radius:3px;box-shadow:0 1px 3px #0000002e}.board-tile .meta{padding:10px 4px 0}.board-tile .meta .name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.board-tile .meta .sub{color:var(--text-dim);font-size:12px;margin-top:2px}.board-tile .del,.board-tile .fav{position:absolute;top:8px;width:26px;height:26px;border-radius:50%;background:#ffffffeb;box-shadow:var(--shadow-sm);display:grid;place-items:center;opacity:0;transition:opacity .12s;font-size:13px}.board-tile .del{right:8px}.board-tile .fav{right:40px;color:#c8c8cc}.board-tile:hover .del,.board-tile:hover .fav{opacity:1}.board-tile .fav.on{opacity:1;color:#ff3b30}.board-tile .del:hover{background:#ff3b30;color:#fff}.editor{position:relative;height:100%;width:100%;overflow:hidden}.editor canvas{display:block;width:100%;height:100%;touch-action:none}.ff-topbar{position:absolute;top:0;left:0;right:0;height:52px;display:flex;align-items:center;padding:0 16px;background:#ffffffdb;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.07);z-index:10}.ff-topbar .tb-left{gap:6px;min-width:220px}.tb-back{font-size:22px;color:var(--accent-blue);padding:0 4px;line-height:1}.tb-title{font-size:15px;font-weight:600;border:none;background:transparent;width:220px}.tb-title:focus{outline:none}.tb-center{flex:1;display:flex;align-items:center;justify-content:center;gap:6px}.tb-wrap{position:relative}.tb-tool{width:40px;height:34px;border-radius:8px;display:grid;place-items:center;color:#3a3a3c}.tb-tool:hover{background:#0000000f}.tb-tool.active{background:#d9d9dd;color:#1d1d1f}.ff-topbar .tb-right{gap:10px;min-width:220px;justify-content:flex-end}.conn-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.sticky-swatches{display:flex;gap:5px;padding-right:4px}.sticky-swatches .swatch{width:18px;height:18px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #0000001f;cursor:pointer}.sticky-swatches .swatch.sel{box-shadow:0 0 0 2px var(--sel-blue)}.popover{position:absolute;top:44px;background:#f5f5f7fa;-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border:.5px solid rgba(0,0,0,.14);border-radius:12px;box-shadow:var(--shadow);z-index:30}.popover:before{content:"";position:absolute;top:-7px;left:50%;transform:translate(-50%) rotate(45deg);width:13px;height:13px;background:inherit;border-left:.5px solid rgba(0,0,0,.14);border-top:.5px solid rgba(0,0,0,.14)}.shapes-popover{left:50%;transform:translate(-50%);width:440px}.popover-search{display:flex;align-items:center;gap:8px;padding:12px}.popover-search input{flex:1;padding:7px 12px;border-radius:8px;border:none;background:#0000000f;font-size:14px}.popover-search input:focus{outline:none}.draw-toggle{width:30px;height:30px;border-radius:7px;font-size:16px}.draw-toggle:hover{background:#0000000f}.shapes-body{display:flex;max-height:320px}.shapes-cats{width:130px;padding:0 8px 8px;overflow-y:auto}.shapes-cats .cat{padding:7px 10px;border-radius:7px;font-size:14px;color:var(--text)}.shapes-cats .cat.active{background:#d9d9dd}.shapes-grid{flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:0 12px 12px;border-left:.5px solid rgba(0,0,0,.1);overflow-y:auto}.shape-tile{display:grid;place-items:center;border-radius:10px;padding:6px;aspect-ratio:1}.shape-tile:hover:not(:disabled){background:#0000000f}.shapes-draw-row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-top:.5px solid rgba(0,0,0,.1);font-size:13px;color:var(--text-dim)}.shapes-draw-row input[type=color]{width:30px;height:26px;border:none;background:none;padding:0}.media-menu{left:50%;transform:translate(-50%);width:280px;padding:6px}.menu-item{display:block;width:100%;text-align:left;padding:7px 12px;border-radius:7px;font-size:14px}.menu-item:hover:not(:disabled){background:var(--sel-blue);color:#fff}.menu-item:disabled{color:var(--text-dim)}.menu-sep{height:.5px;background:#0000001f;margin:6px 8px}.zoombar{position:absolute;left:16px;bottom:16px;display:flex;align-items:center;gap:2px;background:#ffffffeb;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:.5px solid rgba(0,0,0,.12);border-radius:9px;box-shadow:var(--shadow-sm);padding:3px;z-index:10}.zoombar button{height:28px;min-width:28px;padding:0 4px;border-radius:6px;font-size:16px;color:#3a3a3c}.zoombar button:hover{background:#0000000f}.zoombar .zoom-pct{font-size:13px;min-width:52px;font-variant-numeric:tabular-nums}.inspector{position:absolute;top:64px;right:16px;width:240px;background:var(--panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:.5px solid var(--panel-border);border-radius:14px;padding:14px;box-shadow:var(--shadow);z-index:9;display:flex;flex-direction:column;gap:12px}.inspector .row{display:flex;align-items:center;justify-content:space-between;gap:8px}.inspector label{font-size:12px;color:var(--text-dim)}.inspector .swatches{display:flex;flex-wrap:wrap;gap:6px}.swatch{width:24px;height:24px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--panel-border);cursor:pointer}.swatch.sel{box-shadow:0 0 0 2px var(--sel-blue)}.inspector input[type=range]{width:120px}.inspector input[type=color]{width:32px;height:28px;border:none;background:none;padding:0}.inspector .seg{display:flex;gap:2px;background:#0000000d;border-radius:8px;padding:2px}.inspector .seg button{flex:1;padding:5px;border-radius:6px;font-size:13px}.inspector .seg button.active{background:#fff;box-shadow:var(--shadow-sm)}.peers{display:flex;align-items:center}.peer-dot{width:30px;height:30px;border-radius:50%;border:2px solid #fff;display:grid;place-items:center;color:#fff;font-size:12px;font-weight:700;margin-left:-8px;box-shadow:0 1px 3px #0003}.peer-dot:first-child{margin-left:0}.cursor{position:absolute;pointer-events:none;z-index:8;transition:transform .06s linear;will-change:transform}.cursor .label{margin-left:14px;margin-top:-2px;padding:2px 8px;border-radius:10px;color:#fff;font-size:12px;font-weight:600;white-space:nowrap}.text-edit-box{position:absolute;z-index:7;display:flex;flex-direction:column;box-sizing:border-box;border:2px solid var(--sel-blue);border-radius:4px;background:transparent;overflow:hidden;padding:2px 4px}.text-edit-box.on-sticky{border-radius:6px;padding:10px}.text-edit-area{width:100%;border:none;outline:none;background:transparent;resize:none;overflow:hidden;padding:0;margin:0;display:block}.format-pill{position:absolute;transform:translate(-50%);display:flex;align-items:center;gap:2px;background:#fff;border-radius:20px;box-shadow:0 4px 18px #0003;padding:5px 8px;z-index:12}.fp-wrap{position:relative;display:flex}.fp-btn{min-width:32px;height:32px;padding:0 8px;border-radius:16px;display:grid;place-items:center;font-size:16px;color:#1d1d1f}.fp-btn:hover{background:#0000000f}.fp-btn.on{background:#e7e7ea}.fp-step{min-width:28px;padding:0 4px;font-size:18px}.fp-size{font-size:14px;font-variant-numeric:tabular-nums}.fp-sep{width:1px;align-self:stretch;margin:4px;background:#0000001a}.fp-color-dot{width:18px;height:18px;border-radius:50%;display:inline-block;box-shadow:inset 0 0 0 1px #00000026}.fp-color-dot.ring{box-shadow:0 0 0 2px #fff,0 0 0 3px #0003}.fp-pop{position:absolute;bottom:44px;left:50%;transform:translate(-50%);background:#f1f1f3;border:.5px solid rgba(0,0,0,.14);border-radius:14px;box-shadow:var(--shadow);padding:14px;display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.fp-pop:after{content:"";position:absolute;bottom:-7px;left:50%;transform:translate(-50%) rotate(45deg);width:13px;height:13px;background:inherit;border-right:.5px solid rgba(0,0,0,.14);border-bottom:.5px solid rgba(0,0,0,.14)}.fp-swatch{width:30px;height:30px;border-radius:50%;cursor:pointer;box-shadow:inset 0 0 0 1px #0000001f}.fp-swatch.sel{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--sel-blue)}.fp-sizes{grid-template-columns:repeat(4,1fr);gap:4px;padding:6px}.fp-sizes button{padding:8px 12px;border-radius:8px;font-size:14px}.fp-sizes button:hover{background:#0000000f}.fp-sizes button.sel{background:var(--sel-blue);color:#fff}.toast{position:absolute;bottom:70px;left:50%;transform:translate(-50%);background:#000000d1;color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;z-index:20;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}}