:root{--bg-void: #05050b;--bg-deep: #090912;--bg-primary: #0e0e1a;--bg-surface: #151524;--bg-elevated: #1c1c30;--bg-hover: #26263e;--border-subtle: #1e1e36;--border: #2a2a46;--border-bright: #3a3a58;--text-primary: #eaeaf4;--text-secondary: #9494b2;--text-muted: #5c5c7a;--accent: #e09830;--accent-bright: #f0a840;--accent-dim: #c07c18;--accent-bg: rgba(224, 152, 48, .1);--success: #30b868;--danger: #e04848;--grid-dot: rgba(255, 255, 255, .04);--glass: rgba(12, 12, 22, .88);--glass-border: rgba(255, 255, 255, .06);--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow: 0 4px 24px rgba(0, 0, 0, .5);--shadow-lg: 0 12px 48px rgba(0, 0, 0, .65);--font-display: "Outfit", sans-serif;--font-body: "DM Sans", sans-serif}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font-body);background:var(--bg-void);color:var(--text-primary);-webkit-font-smoothing:antialiased}.name-entry{height:100%;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.name-entry-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 30% 20%,rgba(224,152,48,.06) 0%,transparent 60%),radial-gradient(ellipse at 70% 80%,rgba(96,165,250,.04) 0%,transparent 60%),var(--bg-void);animation:bgShift 20s ease-in-out infinite alternate}@keyframes bgShift{0%{filter:hue-rotate(0deg)}to{filter:hue-rotate(15deg)}}.name-entry-card{position:relative;background:var(--glass);-webkit-backdrop-filter:blur(32px);backdrop-filter:blur(32px);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:48px 40px;width:380px;text-align:center;box-shadow:var(--shadow-lg);animation:cardIn 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var(--accent-bg)}.name-entry-input::placeholder{color:var(--text-muted)}.name-entry-button{width:100%;margin-top:12px;padding:14px;background:linear-gradient(135deg,var(--accent),var(--accent-dim));border:none;border-radius:var(--radius);color:#fff;font-family:var(--font-display);font-size:15px;font-weight:600;cursor:pointer;transition:transform .15s,box-shadow .15s,opacity .15s;box-shadow:0 4px 16px #e0983040}.name-entry-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 24px #e0983059}.name-entry-button:active:not(:disabled){transform:translateY(0)}.name-entry-button:disabled{opacity:.4;cursor:not-allowed}.name-entry-hint{margin-top:20px;font-size:12px;color:var(--text-muted);line-height:1.5}.name-entry-returning{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius)}.name-entry-avatar{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;font-family:var(--font-display);font-weight:700;font-size:16px;border-radius:50%;flex-shrink:0}.name-entry-name{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--text-primary)}.name-entry-switch{background:none;border:none;color:var(--accent);cursor:pointer;font-family:var(--font-body);font-size:12px;text-decoration:underline;padding:0}.name-entry-switch:hover{color:var(--accent-bright)}.app{height:100%;display:flex;flex-direction:column;background:var(--bg-void)}.app-header{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:var(--glass);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-bottom:1px solid var(--glass-border);z-index:100;flex-shrink:0}.app-header-left{display:flex;align-items:center;gap:12px}.app-logo{font-size:22px;filter:drop-shadow(0 0 8px rgba(224,152,48,.3))}.app-title{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-.3px;color:var(--text-primary)}.connection-badge{display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.connection-badge.online{background:#30b8681f;color:var(--success)}.connection-badge.offline{background:#e048481f;color:var(--danger)}.status-dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 6px currentColor}.connection-badge.online .status-dot{animation:pulse 2s infinite}@keyframes 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8px;color:var(--text-muted)}.header-btn--signout:hover{background:#e048481a;border-color:#e048484d;color:var(--danger)}.canvas-viewport{flex:1;position:relative;overflow:hidden;background-color:var(--bg-deep);background-image:radial-gradient(circle,var(--grid-dot) 1px,transparent 1px);background-size:var(--grid-size) var(--grid-size);background-position:var(--grid-ox) var(--grid-oy);-webkit-user-select:none;user-select:none}.canvas-viewport.drag-over{background-color:#e0983005}.canvas-world{position:absolute;top:0;left:0;will-change:transform}.board-el{position:absolute;border-radius:var(--radius);transition:box-shadow .15s;cursor:grab}.board-el:active{cursor:grabbing}.board-el--text{background:#ffffff08;border:1px solid transparent;padding:8px 12px;color:var(--text-primary);min-height:30px}.board-el--text:hover{border-color:var(--border);background:#ffffff0d}.board-el--text.board-el--selected{border-color:var(--accent);box-shadow:0 0 0 2px 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actionBarIn{0%{opacity:0}to{opacity:1}}.el-action-btn{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius);color:var(--text-secondary);cursor:pointer;transition:all .12s}.el-action-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.el-action-btn--delete{color:var(--danger)}.el-action-btn--delete:hover{background:#e0484826;color:var(--danger)}.el-action-btn--disabled{color:var(--text-muted);opacity:.45}.el-action-btn--disabled:hover{background:#ffffff0a;color:var(--text-muted);cursor:not-allowed}.rh{position:absolute;width:10px;height:10px;background:var(--accent);border:2px solid var(--bg-deep);border-radius:2px;z-index:10}.rh-nw{top:-5px;left:-5px;cursor:nw-resize}.rh-ne{top:-5px;right:-5px;cursor:ne-resize}.rh-sw{bottom:-5px;left:-5px;cursor:sw-resize}.rh-se{bottom:-5px;right:-5px;cursor:se-resize}.rh-n{top:-5px;left:50%;transform:translate(-50%);cursor:n-resize}.rh-s{bottom:-5px;left:50%;transform:translate(-50%);cursor:s-resize}.rh-e{right:-5px;top:50%;transform:translateY(-50%);cursor:e-resize}.rh-w{left:-5px;top:50%;transform:translateY(-50%);cursor:w-resize}.remote-cursor{position:absolute;pointer-events:none;z-index:9999;transition:left .08s linear,top .08s linear}.cursor-name{display:inline-block;margin-left:12px;margin-top:-2px;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;color:#fff;white-space:nowrap;font-family:var(--font-display)}.zoom-badge{position:absolute;bottom:80px;right:16px;padding:4px 12px;background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:20px;font-family:var(--font-display);font-size:12px;font-weight:500;color:var(--text-secondary);pointer-events:none}.drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#e098300f;border:2px dashed var(--accent);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;z-index:1000;pointer-events:none}.drop-overlay-content{display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--accent-bright);font-family:var(--font-display);font-size:18px;font-weight:500}.toolbar{position:fixed;bottom:20px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:4px;padding:6px;background:var(--glass);-webkit-backdrop-filter:blur(32px);backdrop-filter:blur(32px);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);z-index:200;animation:toolbarIn .4s cubic-bezier(.16,1,.3,1)}@keyframes toolbarIn{0%{opacity:0;transform:translate(-50%) 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8px;font-size:12px;color:var(--text-muted);white-space:nowrap}.snapshot-panel{position:fixed;top:52px;right:0;bottom:0;width:360px;background:var(--bg-primary);border-left:1px solid var(--border-subtle);z-index:300;display:flex;flex-direction:column;animation:panelSlide .3s cubic-bezier(.16,1,.3,1)}@keyframes panelSlide{0%{transform:translate(100%)}to{transform:translate(0)}}.snapshot-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-subtle)}.snapshot-header h2{font-family:var(--font-display);font-size:16px;font-weight:600}.snapshot-close{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;transition:color .15s,background .15s}.snapshot-close:hover{color:var(--text-primary);background:var(--bg-hover)}.snapshot-save{padding:16px 20px;display:flex;gap:8px;border-bottom:1px solid var(--border-subtle)}.snapshot-input{flex:1;padding:8px 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8px}.snap-btn--delete:hover{background:#e048481a;border-color:var(--danger);color:var(--danger)}.header-btn--active{background:var(--accent-bg);border-color:var(--accent);color:var(--accent-bright)}.chat-panel{position:fixed;top:52px;right:0;bottom:0;width:400px;background:var(--bg-primary);border-left:1px solid var(--border-subtle);z-index:300;display:flex;flex-direction:column;animation:panelSlide .3s cubic-bezier(.16,1,.3,1)}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border-subtle)}.chat-header-left{display:flex;align-items:center;gap:8px}.chat-header-right{display:flex;align-items:center;gap:4px}.chat-new-btn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;background:#ffffff0f;color:var(--text-secondary);border-radius:6px;cursor:pointer;transition:background .15s,color 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var(--border-subtle)}.link-detail-elements{display:flex;align-items:stretch;gap:10px}.link-detail-card{flex:1;min-width:0;padding:12px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;transition:background .15s,border-color 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640px){.links-panel,.image-detail-panel,.link-detail-panel{width:100%}.catchup-modal,.link-note-modal{width:calc(100% - 32px)}}