:root{color-scheme:light;--md-sys-color-primary: #6750a4;--md-sys-color-on-primary: #ffffff;--md-sys-color-primary-container: #e9ddff;--md-sys-color-on-primary-container: #22005d;--md-sys-color-secondary: #625b71;--md-sys-color-secondary-container: #e8def8;--md-sys-color-tertiary: #7d5260;--md-sys-color-surface: #fdf7ff;--md-sys-color-surface-dim: #ded8e1;--md-sys-color-surface-bright: #fdf7ff;--md-sys-color-surface-container-lowest: #ffffff;--md-sys-color-surface-container-low: #f7f2fa;--md-sys-color-surface-container: #f3edf7;--md-sys-color-surface-container-high: #ece6f0;--md-sys-color-surface-container-highest: #e6e0e9;--md-sys-color-surface-variant: #e7e0eb;--md-sys-color-on-surface: #1d1b20;--md-sys-color-on-surface-variant: #49454f;--md-sys-color-outline: #7a757f;--md-sys-color-outline-variant: #cbc4cf;--md-sys-color-error: #ba1a1a;--md-sys-color-on-error-container: #93000a;--md-elevation-1: 0 1px 2px rgba(29, 27, 32, .28), 0 1px 3px 1px rgba(29, 27, 32, .14);--md-elevation-2: 0 2px 6px rgba(29, 27, 32, .18), 0 1px 2px rgba(29, 27, 32, .12);--md-elevation-3: 0 8px 18px rgba(29, 27, 32, .16), 0 3px 5px rgba(29, 27, 32, .12);--bg: var(--md-sys-color-surface);--panel: rgba(247, 242, 250, .92);--panel-strong: var(--md-sys-color-surface-container-low);--paper: #ffffff;--line: #e4ddf4;--line-strong: var(--md-sys-color-outline-variant);--ink: var(--md-sys-color-primary);--ink-hover: #5d4696;--on-ink: var(--md-sys-color-on-primary);--ink-soft: var(--md-sys-color-secondary);--sage: var(--md-sys-color-tertiary);--text: var(--md-sys-color-on-surface);--muted: var(--md-sys-color-on-surface-variant);--surface-rgb: 253, 247, 255;--tint-rgb: 103, 80, 164;--panel-strong-rgb: 243, 237, 247;--panel-border-rgb: 122, 117, 127;--success-rgb: 74, 103, 65;--success-text: #305021;--success-text-strong: #1f3915;--success-text-soft: #48683a;--warning-rgb: 125, 82, 96;--warning-text: #6d3d18;--danger-rgb: 186, 26, 26;--danger-text: var(--md-sys-color-error);--board: var(--md-sys-color-surface-container-lowest);--shadow: var(--md-elevation-3);--radius-xl: 28px;--radius-lg: 24px;--radius-md: 20px;--radius-sm: 16px;font-family:Roboto Flex,Segoe UI Variable,Segoe UI,sans-serif;background:radial-gradient(circle at top left,rgba(233,221,255,.5),transparent 32%),linear-gradient(180deg,#fdf7ff,#f4eef8);color:var(--text)}:root[data-theme=dark]{color-scheme:dark;--md-sys-color-primary: #d0bcff;--md-sys-color-on-primary: #381e72;--md-sys-color-primary-container: #4f378a;--md-sys-color-on-primary-container: #e9ddff;--md-sys-color-secondary: #cbc2db;--md-sys-color-secondary-container: #4a4458;--md-sys-color-tertiary: #efb8c8;--md-sys-color-surface: #141218;--md-sys-color-surface-dim: #141218;--md-sys-color-surface-bright: #3b383e;--md-sys-color-surface-container-lowest: #0f0d13;--md-sys-color-surface-container-low: #1d1b20;--md-sys-color-surface-container: #211f26;--md-sys-color-surface-container-high: #2b2930;--md-sys-color-surface-container-highest: #36343b;--md-sys-color-surface-variant: #49454f;--md-sys-color-on-surface: #e6e0e9;--md-sys-color-on-surface-variant: #cac4cf;--md-sys-color-outline: #948f99;--md-sys-color-outline-variant: #49454f;--bg: var(--md-sys-color-surface);--panel: rgba(29, 27, 32, .92);--panel-strong: var(--md-sys-color-surface-container-low);--ink: var(--md-sys-color-primary);--ink-hover: #dac9ff;--on-ink: var(--md-sys-color-on-primary);--ink-soft: var(--md-sys-color-secondary);--sage: var(--md-sys-color-tertiary);--text: var(--md-sys-color-on-surface);--muted: var(--md-sys-color-on-surface-variant);--surface-rgb: 20, 18, 24;--tint-rgb: 208, 188, 255;--panel-strong-rgb: 33, 31, 38;--panel-border-rgb: 148, 143, 153;--success-rgb: 148, 214, 157;--success-text: #94d69d;--success-text-strong: #c1f1c5;--success-text-soft: #9fd8a6;--warning-rgb: 239, 184, 200;--warning-text: #efb8c8;--danger-rgb: 255, 180, 171;--danger-text: #ffb4ab;--board: var(--md-sys-color-surface-container-lowest);--shadow: 0 8px 24px rgba(0, 0, 0, .36), 0 2px 8px rgba(0, 0, 0, .24);background:radial-gradient(circle at top left,rgba(79,55,138,.4),transparent 34%),linear-gradient(180deg,#18161d,#111015)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}html{overscroll-behavior:none}body{min-height:100vh;min-height:100dvh;overscroll-behavior:none;background:var(--bg);color:var(--text)}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(var(--tint-rgb),.28);outline-offset:2px}button,input,select,textarea{font:inherit;touch-action:manipulation}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button{border:0;background:none;color:inherit}textarea{resize:none}.app-shell{--topbar-main-row-height: 64px;--topbar-menu-row-height: 38px;--topbar-height: calc( var(--topbar-main-row-height) + var(--topbar-menu-row-height) + env(safe-area-inset-top) );--workspace-sidebar-width: 312px;display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden}.topbar{position:relative;z-index:40;flex:0 0 auto;height:var(--topbar-height);display:flex;flex-direction:column;justify-content:flex-start;padding:env(safe-area-inset-top) calc(28px + env(safe-area-inset-right)) 0 calc(28px + env(safe-area-inset-left));background:color-mix(in srgb,var(--md-sys-color-surface-container) 92%,transparent);border-bottom:1px solid rgba(var(--panel-border-rgb),.22);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.topbar-main-row,.topbar-menu-row{display:flex;align-items:center;width:100%;min-width:0}.topbar-main-row{min-height:var(--topbar-main-row-height);gap:18px}.topbar-menu-row{min-height:var(--topbar-menu-row-height);gap:12px;border-top:1px solid rgba(var(--panel-border-rgb),.16);overflow-x:auto;scrollbar-width:none}.topbar-menu-row::-webkit-scrollbar{display:none}.brand-lockup{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--md-sys-color-primary-container);color:var(--md-sys-color-on-primary-container)}.brand-title{font-size:1.1rem;font-weight:700;letter-spacing:-.015em;color:var(--ink)}.document-title-block{display:flex;align-items:center;min-width:0;flex:0 1 320px}.pad-title-text{max-width:min(320px,28vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:6px 10px;border-radius:10px;font-size:20px;font-weight:600;color:var(--ink)}.pad-title-text:hover{background:rgba(var(--panel-border-rgb),.14)}.pad-title-text--document{text-align:left}.pad-title-input{font-family:inherit;font-size:20px;font-weight:600;color:var(--text);background:var(--md-sys-color-surface);border:1px solid var(--md-sys-color-primary);border-radius:10px;padding:5px 10px;width:min(320px,28vw);max-width:40vw}.topbar-spacer{flex:1}.drive-status{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drive-status-dot{width:7px;height:7px;border-radius:50%;background:var(--sage);flex-shrink:0}.topbar-utility-actions{display:flex;align-items:center;flex-shrink:0;gap:8px}.utility-toggle,.utility-action{display:inline-flex;align-items:center;justify-content:center;min-height:36px;gap:7px;padding:8px 12px;border-radius:12px;cursor:pointer;font-size:13px;font-weight:500;border:1px solid rgba(var(--panel-border-rgb),.26);background:rgba(var(--panel-strong-rgb),.74);color:var(--md-sys-color-on-surface-variant);box-shadow:var(--md-elevation-1)}.utility-toggle.is-active{border-color:rgba(var(--tint-rgb),.26);background:var(--md-sys-color-secondary-container);color:var(--md-sys-color-secondary)}.utility-toggle span,.utility-action span{white-space:nowrap}.action-button,.icon-action,.new-page-button,.page-row,.pad-row,.thumbnail-button,.primary-button,.ghost-button,.utility-toggle,.utility-action,.menu-bar-button,.menu-item,.mobile-menu-button{transition:background-color .16s ease,border-color .16s ease,color .16s ease,opacity .16s ease,box-shadow .16s ease}.action-button:hover,.icon-action:hover,.new-page-button:hover,.page-row:hover,.pad-row:hover,.thumbnail-button:hover,.primary-button:hover,.ghost-button:hover,.utility-toggle:hover,.utility-action:hover,.menu-bar-button:hover,.mobile-menu-button:hover{box-shadow:var(--md-elevation-2)}.icon-action{display:grid;place-items:center;flex-shrink:0;width:36px;height:36px;border-radius:12px;background:rgba(var(--panel-strong-rgb),.78);color:var(--md-sys-color-on-surface-variant);border:1px solid rgba(var(--panel-border-rgb),.28);box-shadow:var(--md-elevation-1)}.icon-action:disabled{opacity:.4}.action-button,.primary-button,.ghost-button,.new-page-button{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-height:44px;gap:8px;padding:10px 20px;border-radius:999px;border:1px solid rgba(var(--panel-border-rgb),.3);background:color-mix(in srgb,var(--md-sys-color-surface-container-high) 88%,transparent);color:var(--md-sys-color-on-surface);box-shadow:var(--md-elevation-1)}.menu-bar{display:flex;align-items:center;gap:2px;flex:0 0 auto;min-width:max-content}.menu-trigger-group{position:relative}.menu-bar-button,.mobile-menu-button{display:inline-flex;align-items:center;gap:8px;min-height:32px;padding:6px 10px;border-radius:10px;color:var(--text);font-size:14px;font-weight:500}.menu-bar-button.is-open,.mobile-menu-button[aria-expanded=true]{background:rgba(var(--tint-rgb),.1);color:var(--ink)}.menu-popover,.mobile-menu-popover{background:rgba(var(--panel-strong-rgb),.98);border:1px solid rgba(var(--panel-border-rgb),.2);border-radius:16px;box-shadow:var(--md-elevation-3);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.menu-popover{position:fixed;z-index:45;min-width:248px;padding:8px}.menu-item{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 10px;border-radius:10px;text-align:left;color:var(--text);font-size:14px}.menu-item:hover:not(:disabled),.menu-item.is-highlighted{background:rgba(var(--tint-rgb),.1)}.menu-item:disabled{opacity:.42;cursor:default}.menu-item-main{display:flex;align-items:center;gap:10px;min-width:0}.menu-item-check{display:inline-flex;align-items:center;justify-content:center;width:14px;color:var(--ink)}.menu-item-shortcut{flex-shrink:0;color:var(--muted);font-size:12px}.menu-separator{height:1px;margin:6px 4px;background:rgba(var(--panel-border-rgb),.26)}.mobile-menu-shell{position:relative;display:none}.mobile-menu-popover{position:fixed;z-index:45;width:min(360px,calc(100vw - 32px));padding:8px}.mobile-menu-group+.mobile-menu-group{border-top:1px solid rgba(var(--panel-border-rgb),.16);margin-top:8px;padding-top:8px}.mobile-menu-items{display:flex;flex-direction:column}.mobile-menu-label{padding:4px 10px 8px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.primary-button{background:var(--md-sys-color-primary-container);border-color:transparent;color:var(--md-sys-color-on-primary-container);font-weight:600}.action-button--accent{background:var(--ink);border-color:var(--ink);color:var(--on-ink);font-weight:600}.action-button--accent:hover{background:var(--ink-hover)}.profile-chip{display:grid;place-items:center;flex-shrink:0;width:44px;height:44px;border-radius:50%;background:var(--md-sys-color-primary-container);color:var(--md-sys-color-on-primary-container);font-weight:700;font-size:15px;overflow:hidden;cursor:pointer;padding:0;border:1px solid rgba(var(--panel-border-rgb),.22);box-shadow:var(--md-elevation-1)}.profile-popover-divider{height:1px;background:rgba(var(--tint-rgb),.1);margin:4px 0}.workspace-grid{position:relative;display:flex;flex:1;min-height:0;padding:8px 24px 24px;--workspace-sidebar-gap: 16px}.sidebar-rail-toggle{position:absolute;top:28px;left:0;z-index:41;display:inline-flex;align-items:center;justify-content:center;width:22px;height:64px;border-radius:0 14px 14px 0;background:rgba(var(--panel-strong-rgb),.96);border:1px solid rgba(var(--panel-border-rgb),.24);border-left:0;box-shadow:var(--md-elevation-2);color:var(--md-sys-color-on-surface-variant);transition:left .2s ease,background-color .16s ease,color .16s ease,box-shadow .16s ease}.sidebar-rail-toggle:hover{color:var(--ink);box-shadow:var(--md-elevation-3)}.workspace-grid.has-pinned-sidebar .sidebar-rail-toggle.is-open{left:calc(var(--workspace-sidebar-width) + var(--workspace-sidebar-gap) - 6px)}.sidebar-shell--pinned{position:relative;flex:0 0 auto;width:0;overflow:hidden;transition:width .22s ease}.sidebar-shell--pinned.is-open{width:calc(var(--workspace-sidebar-width) + var(--workspace-sidebar-gap))}.sidebar-shell--pinned:not(.is-open) .sidebar{visibility:hidden}.sidebar-backdrop{position:fixed;top:var(--topbar-height);left:0;right:0;bottom:0;z-index:38;background:#14182152;opacity:0;pointer-events:none;transition:opacity .2s ease}.sidebar-backdrop.is-visible{opacity:1;pointer-events:auto}.sidebar{width:var(--workspace-sidebar-width);display:flex;flex-direction:column;gap:18px;padding:16px;overflow:hidden;background:color-mix(in srgb,var(--md-sys-color-surface-container-low) 94%,transparent);border-right:1px solid rgba(var(--panel-border-rgb),.26);box-shadow:var(--md-elevation-2);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.sidebar--overlay{position:fixed;top:var(--topbar-height);left:0;bottom:0;z-index:39;transform:translate(-100%);transition:transform .2s ease}.sidebar--overlay.is-open{transform:translate(0)}.sidebar--pinned{position:relative;height:100%;border-radius:32px;margin-right:var(--workspace-sidebar-gap)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.sidebar-header-title{font-size:15px;font-weight:700;color:var(--ink)}.sidebar-close{display:grid;place-items:center;width:32px;height:32px;border-radius:16px;border:1px solid rgba(var(--panel-border-rgb),.26);background:rgba(var(--panel-strong-rgb),.94);color:var(--md-sys-color-on-surface-variant);box-shadow:var(--md-elevation-1)}.new-page-button{width:100%;justify-content:flex-start;color:var(--text)}.sidebar-section{display:flex;flex-direction:column;gap:10px}.sidebar-label,.pad-group-label{font-size:.88rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.pad-group{display:flex;flex-direction:column;gap:8px}.pad-row,.page-row,.thumbnail-button{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--radius-md);color:var(--text);text-align:left}.pad-row{justify-content:space-between}.pad-row.is-active,.page-row.is-active{background:var(--md-sys-color-secondary-container);color:var(--md-sys-color-secondary)}.page-index{min-width:26px;color:var(--ink-soft);font-variant-numeric:tabular-nums}.page-list{padding-bottom:10px;border-bottom:1px solid rgba(var(--panel-border-rgb),.24)}.thumbnail-section{min-height:0;flex:1}.thumbnail-list{display:flex;flex-direction:column;gap:12px;overflow:auto;padding-right:4px}.thumbnail-button{flex-direction:column;align-items:flex-start;padding:0}.thumbnail-card{overflow:hidden;border-radius:20px;border:1px solid rgba(var(--panel-border-rgb),.22);background:var(--md-sys-color-surface-container-lowest);box-shadow:var(--md-elevation-1)}.thumbnail-card.is-active{border-color:rgba(var(--tint-rgb),.32);box-shadow:var(--md-elevation-2)}.thumbnail-card canvas{display:block;width:196px;height:131px}.workspace-main{position:relative;--tool-rail-width: 0px;display:flex;flex-direction:column;flex:1;min-width:0;height:100%;border-radius:32px;background:color-mix(in srgb,var(--md-sys-color-surface-container-lowest) 92%,transparent);border:1px solid rgba(var(--panel-border-rgb),.18);box-shadow:var(--md-elevation-2);overflow:hidden}.workspace-main.has-tool-rail{--tool-rail-width: 112px}.workspace-main.has-context-panel{--tool-rail-width: 404px}.workspace-board{display:flex;flex:1;min-height:0}.workspace-tool-rail{position:relative;flex:0 0 var(--tool-rail-width);max-width:var(--tool-rail-width);min-width:0;padding:28px 0 112px 24px;display:flex;align-items:center;gap:18px;z-index:25}.diary-error-pill{position:absolute;left:24px;bottom:32px;z-index:30;display:inline-flex;align-items:center;gap:8px;max-width:240px;padding:10px 12px;border-radius:16px;background:rgba(var(--danger-rgb),.94);color:#fdf8f0;font-size:13px;font-weight:500;box-shadow:var(--md-elevation-2)}.diary-error-pill button{flex-shrink:0;display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#ffffff29;color:inherit;cursor:pointer}.diary-error-pill button:hover{background:#ffffff47}.canvas-scroll{flex:1;min-width:0;height:100%;overflow:auto;padding:28px 26px 96px;scrollbar-width:none}.canvas-scroll::-webkit-scrollbar{display:none}.canvas-scroll.is-memory-exchange{padding:24px 22px 96px;background:linear-gradient(180deg,rgba(var(--tint-rgb),.035),transparent 18%),linear-gradient(180deg,rgba(var(--surface-rgb),.16),transparent 100%)}.paper-shell{width:100%;min-height:100%}.paper-frame{display:grid;place-items:start center;width:100%;min-height:100%}.paper-stage{position:relative}.page-badge{position:absolute;top:-14px;left:20px;z-index:2;padding:8px 14px;border-radius:999px;background:var(--md-sys-color-primary-container);color:var(--md-sys-color-on-primary-container);font-size:13px;letter-spacing:.02em;box-shadow:var(--md-elevation-1)}.pointer-badge{position:absolute;top:-14px;right:20px;z-index:2;display:flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:rgba(var(--panel-strong-rgb),.94);color:var(--md-sys-color-on-surface-variant);font-size:13px;box-shadow:var(--md-elevation-1)}.pointer-badge-sep{opacity:.45}.paper-surface{position:relative;border-radius:32px;overflow:visible;box-shadow:var(--md-elevation-3)}.paper-canvas{display:block;touch-action:none;-webkit-user-select:none;user-select:none;position:relative;z-index:1;border-radius:inherit}.paper-canvas.is-echo-active{pointer-events:none}.echo-reply-overlay{position:absolute;z-index:2;overflow:hidden;pointer-events:none}.echo-scene-replay-overlay{position:absolute;z-index:2;pointer-events:none}.echo-scene-replay-button{position:absolute;transform:translate(-50%,-50%);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;border:1px solid rgba(var(--panel-border-rgb),.28);background:rgba(var(--panel-strong-rgb),.9);color:var(--md-sys-color-on-surface-variant);box-shadow:var(--md-elevation-1);opacity:.7;cursor:pointer;pointer-events:auto;transition:opacity .14s ease,background-color .14s ease,box-shadow .14s ease}.echo-scene-replay-button:hover{opacity:1;background:var(--md-sys-color-secondary-container);color:var(--md-sys-color-secondary);box-shadow:var(--md-elevation-2)}.hidden-media-video,.recording-output-canvas{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;overflow:hidden}.webcam-overlay-frame{position:absolute;z-index:3;border-radius:24px;border:2px solid rgba(255,255,255,.9);box-shadow:0 0 0 1px rgba(var(--tint-rgb),.32),0 14px 28px rgba(var(--tint-rgb),.18);cursor:move}.webcam-overlay-handle{position:absolute;right:10px;bottom:10px;width:18px;height:18px;border-radius:50%;background:#fffffff5;border:1px solid rgba(var(--tint-rgb),.28);box-shadow:0 6px 16px 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