:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color-scheme:dark;color:#eeedf3;background:#141318;--surface: #222127;--accent: #b5a0e3;--border: #3b3943;--muted: #b0acbc;--shadow: 0 3px 14px #0003, 0 1px 3px #0002}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,input,select{font:inherit}button,select,input[type=color],input[type=range]{cursor:pointer}button,select{color:inherit}button,select{border:1px solid var(--border);border-radius:8px;background:var(--surface)}button{display:inline-flex;align-items:center;justify-content:center;gap:8px}button:hover{background:#302d38}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button svg{flex-shrink:0;pointer-events:none}#app{height:100vh;height:100dvh}.workspace-header{position:fixed;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;gap:16px;z-index:20;pointer-events:none}.board-identity,.room-info,.tool-dock,.toolbar,.zoom-controls{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}.board-identity,.room-info{display:flex;align-items:center;gap:14px;padding:8px 12px;min-height:52px;pointer-events:auto}.board-identity strong{font-size:24px;letter-spacing:-1px}.board-identity>span:last-child{font-size:12px;color:var(--muted)}.identity-divider{width:1px;height:22px;background:var(--border)}#room-id-display{font:inherit}#copy-room-id{width:30px;height:32px;padding:6px;border-color:transparent;flex-shrink:0}.room-info{font-size:12px;gap:12px}.connection-status,.users-connected{display:flex;align-items:center;gap:6px;white-space:nowrap}.connection-status{color:var(--muted)}.users-connected{color:#9dceb1}.share-btn,.text-btn.primary{background:#78639f;color:#fff;border-color:#78639f}.share-btn{min-height:36px;padding:8px 14px;font-size:12px;font-weight:600}.share-btn:hover,.text-btn.primary:hover{background:#8a73b4}.tool-dock{position:fixed;top:88px;left:50%;transform:translate(-50%);display:flex;gap:5px;padding:7px;z-index:20}.tool-btn,.tool-dock .action-btn,.mobile-tool-btn{width:44px;height:42px;padding:10px;border-color:transparent;flex-shrink:0}.tool-btn.active{color:#ddcdfb;background:#42354f}.tool-dock .action-btn{border-left-color:var(--border);border-radius:0 7px 7px 0}.tool-dock .action-btn span{display:none}.toolbar{position:fixed;top:162px;left:16px;width:184px;max-height:calc(100dvh - 224px);overflow-y:auto;padding:16px;z-index:20}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;font-size:14px}.toolbar-inner{display:flex;flex-direction:column;gap:22px}.toolbar-section{display:flex;flex-direction:column;gap:10px}.section-label{display:flex;justify-content:space-between;font-size:11px;font-weight:500;color:var(--muted)}#color-picker{width:100%;height:28px;padding:0;border:0;background:transparent}#color-picker::-webkit-color-swatch-wrapper{padding:0}#color-picker::-webkit-color-swatch{border:1px solid var(--border);border-radius:6px}.palette{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.color-swatch{width:26px;height:26px;border-radius:50%;padding:0;border:1px solid #fff3;justify-self:center}.color-swatch.active{outline:2px solid var(--accent);outline-offset:2px}#brush-size{width:100%;margin:3px 0;accent-color:var(--accent)}.canvas-size-select{width:100%;padding:9px 6px;font-size:12px}.actions{padding-top:14px;border-top:1px solid var(--border);gap:6px}.action-btn{min-height:36px;padding:8px;font-size:12px;justify-content:flex-start}.actions .action-btn{border-color:transparent}.action-btn.danger{color:#efa0a7}.action-btn.danger:hover{background:#492c34}.canvas-area,.canvas-container{position:relative;width:100%;height:100%;overflow:hidden}.canvas-area{background:#141318}canvas{position:absolute;background:#fff;box-shadow:0 0 0 1px var(--border);cursor:crosshair}canvas.panning{cursor:grab}canvas.panning:active{cursor:grabbing}.zoom-controls{position:absolute;right:16px;bottom:16px;z-index:20;display:flex;align-items:center;gap:4px;padding:6px}.zoom-btn,.zoom-controls .action-btn{width:34px;height:34px;min-height:34px;padding:6px;border-color:transparent;justify-content:center}.zoom-btn{font-size:20px}#zoom-level{min-width:48px;font-size:12px;text-align:center;color:var(--muted)}.zoom-controls .action-btn span{display:none}.zoom-controls .action-btn{border-left-color:var(--border);border-radius:0 6px 6px 0}.canvas-hint{position:absolute;bottom:22px;left:20px;margin:0;font-size:12px;color:#716d7c;pointer-events:none}.canvas-hint span{padding:0 8px}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;flex-shrink:0}.status-dot.connected{background:#589777}.status-dot.connecting{background:#bf933b}.status-dot.disconnected{background:#bb5964}.toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);padding:12px 18px;border-radius:10px;background:#34303f;color:#fff;font-size:13px;z-index:300;box-shadow:var(--shadow);text-align:center}.hidden{display:none!important}.text-input-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0008;z-index:250;padding:16px}.text-input-container{width:min(360px,100%);padding:24px;border:1px solid var(--border);background:var(--surface);border-radius:14px;box-shadow:var(--shadow)}.text-input-container input{width:100%;min-width:0;padding:12px;border:1px solid var(--border);border-radius:8px;background:#19181e;color:inherit;font-size:16px}.text-input-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.text-btn{padding:9px 16px;font-size:13px}.canvas-size-inputs{display:flex;align-items:flex-end;gap:10px}.size-input-group{flex:1;min-width:0;display:flex;flex-direction:column;gap:7px}.size-input-group label{font-size:12px;color:var(--muted)}.size-separator{padding-bottom:12px;color:var(--muted)}#remote-cursors{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}.remote-cursor{position:absolute;pointer-events:none}.remote-cursor-pointer{width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:10px solid currentColor;transform:rotate(-30deg)}.remote-cursor-label{font-size:10px;font-weight:600;padding:2px 5px;border-radius:3px;color:#fff;white-space:nowrap;margin-left:8px;margin-top:-2px}.mobile-backdrop,.mobile-tool-btn,#close-settings{display:none}@media(max-width:768px){.workspace-header{top:10px;left:10px;right:10px;gap:8px}.board-identity,.room-info{min-height:46px;gap:8px;padding:6px 8px}.board-identity strong{font-size:21px}.board-identity>span,#connection-label,.users-connected>span:last-child{display:none}.room-info{margin-left:auto}#export-png{width:34px;padding:7px;justify-content:center}#export-png span{display:none}.share-btn{padding:8px 10px}.tool-dock{top:auto;bottom:max(10px,env(safe-area-inset-bottom));width:max-content;max-width:calc(100% - 16px);gap:1px;padding:5px;overflow-x:auto}.tool-btn,.tool-dock .action-btn,.mobile-tool-btn{width:36px;height:44px;padding:8px}.mobile-tool-btn{display:inline-flex;font-size:19px}.toolbar{display:none;top:auto;bottom:calc(76px + env(safe-area-inset-bottom));left:10px;right:10px;width:auto;max-height:calc(100dvh - 150px);padding:18px;z-index:200}.toolbar.open{display:block}.toolbar-inner{gap:16px}.panel-heading{margin-bottom:16px}#close-settings{display:inline-flex;width:32px;height:32px;font-size:22px}.palette{grid-template-columns:repeat(8,1fr)}.color-swatch{width:26px;height:26px}.actions{display:grid;grid-template-columns:1fr 1fr}.mobile-backdrop.visible{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0008;z-index:190}.tool-dock{z-index:210}.zoom-controls{bottom:calc(78px + env(safe-area-inset-bottom));right:10px}.canvas-hint{display:none}.toast{bottom:calc(136px + env(safe-area-inset-bottom))}}@media(max-width:359px){.tool-btn,.tool-dock .action-btn,.mobile-tool-btn{width:31px;padding:6px}}