:root{--bg: #ffffff;--bg-alt: #f6f7f9;--border: #e3e6ea;--text: #1d2129;--muted: #6b7280;--accent: #2563eb;--accent-soft: #eff4ff;--accent-glow: rgba(37, 99, 235, .22);--agent: #0891b2;--agent-soft: #e0f7fa;--live: #0f9d68;--danger: #b91c1c;--mark: #fde68a;--add-bg: #e8f5ec;--add-fg: #14632c;--del-bg: #fdecec;--del-fg: #9c1c1c;--radius: 8px;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--panel-bg: rgba(246, 247, 249, .72);--panel-blur: 14px;--mesh-opacity: .16;--tile-glass: rgba(255, 255, 255, .42);--tile-glass-hover: rgba(255, 255, 255, .58);--tile-rim: inset 0 0 0 1px rgba(255, 255, 255, .7), inset 0 1px 0 0 rgba(255, 255, 255, .95);--tile-rim-hover: inset 0 0 0 1px rgba(255, 255, 255, .9), inset 0 1px 0 0 #fff;--tile-shadow: 0 0 0 1px rgba(15, 23, 42, .07), 0 16px 38px -20px rgba(15, 23, 42, .28);--tile-shadow-hover: 0 0 0 1px rgba(15, 23, 42, .1), 0 26px 60px -22px rgba(15, 23, 42, .32);--tile-img-opacity: .34;--tile-scrim: linear-gradient(to top, rgba(255, 255, 255, .88), rgba(255, 255, 255, 0));--tile-text: #1a1a1a;--tile-text-shadow: 0 1px 2px rgba(255, 255, 255, .9);--tile-monogram-fg: rgba(15, 23, 42, .22);--tile-monogram-etch: 0 1px 0 rgba(255, 255, 255, .95), 0 -1px 0 rgba(15, 23, 42, .1);--field-a: #c7d2fe;--field-b: #bae6fd;--field-c: #fbcfe8;--field-opacity: .44;--frost: blur(var(--panel-blur));--frost-strong: blur(calc(var(--panel-blur) * 1.25));--ease-spring: cubic-bezier(.16, 1, .3, 1);--dur-hover: .18s;--dur-panel: .24s;--stagger: 35ms;--liquid-blur: 6;--liquid-contrast: 18;--liquid-reach: 24px;--liquid-intensity: 1}:root[data-theme=dark]{--bg: #0b0d13;--bg-alt: #161b26;--border: rgba(255, 255, 255, .08);--text: #e6e8ec;--muted: #9aa1ab;--accent: #6366f1;--accent-soft: rgba(99, 102, 241, .16);--accent-glow: rgba(99, 102, 241, .3);--agent: #06b6d4;--agent-soft: rgba(6, 182, 212, .16);--live: #10b981;--danger: #f87171;--mark: #7a5c00;--add-bg: #12301c;--add-fg: #7fd39a;--del-bg: #3a1717;--del-fg: #f0a0a0;--panel-bg: rgba(22, 27, 38, .7);--panel-blur: 16px;--mesh-opacity: .28;--tile-glass: rgba(255, 255, 255, .045);--tile-glass-hover: rgba(255, 255, 255, .085);--tile-rim: inset 0 0 0 1px rgba(255, 255, 255, .1), inset 0 1px 0 0 rgba(255, 255, 255, .18);--tile-rim-hover: inset 0 0 0 1px rgba(255, 255, 255, .2), inset 0 1px 0 0 rgba(255, 255, 255, .32);--tile-shadow: 0 18px 40px -18px rgba(0, 0, 0, .6);--tile-shadow-hover: 0 28px 62px -20px rgba(0, 0, 0, .7);--tile-img-opacity: .3;--tile-scrim: linear-gradient(to top, rgba(6, 8, 14, .8), rgba(6, 8, 14, 0));--tile-text: #f2f4f8;--tile-text-shadow: 0 1px 3px rgba(0, 0, 0, .85);--tile-monogram-fg: rgba(255, 255, 255, .3);--tile-monogram-etch: 0 1px 0 rgba(255, 255, 255, .13), 0 -1px 0 rgba(0, 0, 0, .55);--field-a: #6366f1;--field-b: #06b6d4;--field-c: #a855f7;--field-opacity: .24}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0b0d13;--bg-alt: #161b26;--border: rgba(255, 255, 255, .08);--text: #e6e8ec;--muted: #9aa1ab;--accent: #6366f1;--accent-soft: rgba(99, 102, 241, .16);--accent-glow: rgba(99, 102, 241, .3);--agent: #06b6d4;--agent-soft: rgba(6, 182, 212, .16);--live: #10b981;--danger: #f87171;--mark: #7a5c00;--add-bg: #12301c;--add-fg: #7fd39a;--del-bg: #3a1717;--del-fg: #f0a0a0;--panel-bg: rgba(22, 27, 38, .7);--panel-blur: 16px;--mesh-opacity: .28;--tile-glass: rgba(255, 255, 255, .045);--tile-glass-hover: rgba(255, 255, 255, .085);--tile-rim: inset 0 0 0 1px rgba(255, 255, 255, .1), inset 0 1px 0 0 rgba(255, 255, 255, .18);--tile-rim-hover: inset 0 0 0 1px rgba(255, 255, 255, .2), inset 0 1px 0 0 rgba(255, 255, 255, .32);--tile-shadow: 0 18px 40px -18px rgba(0, 0, 0, .6);--tile-shadow-hover: 0 28px 62px -20px rgba(0, 0, 0, .7);--tile-img-opacity: .3;--tile-scrim: linear-gradient(to top, rgba(6, 8, 14, .8), rgba(6, 8, 14, 0));--tile-text: #f2f4f8;--tile-text-shadow: 0 1px 3px rgba(0, 0, 0, .85);--tile-monogram-fg: rgba(255, 255, 255, .3);--tile-monogram-etch: 0 1px 0 rgba(255, 255, 255, .13), 0 -1px 0 rgba(0, 0, 0, .55);--field-a: #6366f1;--field-b: #06b6d4;--field-c: #a855f7;--field-opacity: .24}}@media(prefers-reduced-motion:reduce){:root{--ease-spring: linear;--dur-hover: 0ms;--dur-panel: 0ms;--stagger: 0ms;--liquid-intensity: 0}}@supports (backdrop-filter: url(#frosted-glass)){:root{--frost: url(#frosted-glass) blur(var(--panel-blur));--frost-strong: url(#frosted-glass) blur(calc(var(--panel-blur) * 1.25))}}@property --glow-angle{syntax: "<angle>"; inherits: false; initial-value: 0deg;}@keyframes glow-rotate{to{--glow-angle: 360deg}}.glow-border,.space-shell{position:relative}.glow-border:before,.space-shell:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:2px;background:conic-gradient(from var(--glow-angle),transparent 0%,var(--accent) 12%,var(--agent) 32%,transparent 52%,transparent 100%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:glow-rotate 4s linear infinite;pointer-events:none;z-index:5}.space-shell:before{animation-duration:7s;z-index:100}@media(prefers-reduced-motion:reduce){.glow-border:before,.space-shell:before{animation:none}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--sans);color:var(--text);background:var(--bg);font-size:15px;line-height:1.55}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code{font-family:var(--mono);font-size:.9em;background:var(--bg-alt);padding:1px 5px;border-radius:4px}button,.btn{font:inherit;border:1px solid var(--border);background:var(--bg-alt);color:var(--text);padding:6px 14px;border-radius:var(--radius);cursor:pointer;transition:border-color var(--dur-hover) var(--ease-spring),background-color var(--dur-hover) var(--ease-spring),color var(--dur-hover) var(--ease-spring),transform var(--dur-hover) var(--ease-spring),box-shadow var(--dur-hover) var(--ease-spring)}button:hover,.btn:hover{border-color:var(--accent);text-decoration:none}button[type=submit],.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{color:var(--danger)}button.small,.btn.small{padding:2px 10px;font-size:13px}button.linklike{border:none;background:none;color:var(--accent);padding:0}input,select,textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:7px 10px}input:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}label{display:flex;flex-direction:column;gap:4px;font-weight:500}.muted{color:var(--muted);font-weight:400}.error{color:var(--danger);margin:8px 0}.pad{padding:16px}.center-note{display:grid;place-items:center;height:100vh;color:var(--muted)}@keyframes panel-in{0%{opacity:0;transform:scale(.97) translateY(-4px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes slide-in-right{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}@keyframes liquid-sheet-in{0%{opacity:0;transform:translate(28px);border-radius:46px 0 0 46px}62%{opacity:1;transform:translate(-4px);border-radius:20px 0 0 20px}to{opacity:1;transform:translate(0);border-radius:0}}@keyframes dropdown-content-in{0%{opacity:0}to{opacity:1}}@keyframes stagger-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.stagger-item{animation:stagger-in var(--dur-panel) var(--ease-spring) both;animation-delay:calc(var(--i, 0) * var(--stagger))}.tree-accordion{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--dur-panel) var(--ease-spring)}.tree-accordion.open{grid-template-rows:1fr}.tree-accordion-inner{overflow:hidden;min-height:0}.auth-screen{display:grid;place-items:center;min-height:100vh;background:var(--bg-alt)}.auth-card{display:flex;flex-direction:column;gap:14px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:32px;width:360px;box-shadow:0 8px 30px #0000000f}.auth-card h1{margin:0;font-size:22px}.auth-card p{margin:0 0 6px}.auth-divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin:2px 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.oauth-btn{display:flex;align-items:center;justify-content:center;padding:8px 14px;text-align:center}.app-footer{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;align-items:center;justify-content:center;gap:16px;padding:5px 14px;font-size:11.5px;color:var(--muted);background:var(--bg-alt);border-top:1px solid var(--border)}.app-footer-links{display:flex;gap:14px}.app-footer-links a{color:var(--muted)}.app-footer-links a:hover{color:var(--text);text-decoration:underline}.app-footer-version{flex-shrink:0}.legal-page{display:grid;place-items:start center;min-height:100vh;padding:40px 20px 60px}.legal-page-card{max-width:520px;display:flex;flex-direction:column;gap:10px}.legal-page-card.legal-doc{max-width:720px}.legal-page-card h1{margin:4px 0 0;font-size:24px}.topbar{display:flex;align-items:center;gap:16px;padding:10px 20px;border-bottom:1px solid var(--border);background:var(--panel-bg);backdrop-filter:var(--frost);-webkit-backdrop-filter:blur(var(--panel-blur));position:sticky;top:0;z-index:10}.brand{font-weight:700;color:var(--text);letter-spacing:-.02em}.space-name{font-weight:600;color:var(--text)}.search-form{flex:1;max-width:420px}.search-form input{width:100%;background:var(--bg-alt)}.user-menu{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:14px}.dropdown{position:relative;display:inline-flex}.dropdown-trigger{display:inline-flex;align-items:center;gap:4px;border:none;background:none;color:var(--text);font:inherit;cursor:pointer;padding:4px 6px;border-radius:6px}.dropdown-trigger:hover{background:var(--bg-alt);text-decoration:none}.dropdown-trigger:after{content:"▾";font-size:10px;opacity:.6}.profile-menu .dropdown-trigger{border-radius:999px;padding:2px}.profile-menu .dropdown-trigger:after{display:none}.profile-menu .dropdown-trigger:hover{background:none;outline:2px solid var(--accent);outline-offset:1px}.dropdown-menu{position:absolute;top:calc(100% + 6px);min-width:200px;display:flex;flex-direction:column;gap:1px;backdrop-filter:var(--frost);-webkit-backdrop-filter:blur(var(--panel-blur));border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px 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8px}.dropdown-header-name{font-weight:600;font-size:14px}.dropdown-header-email{font-size:12px;color:var(--muted)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.space-shell{display:flex;flex-direction:column;height:100vh}.space-body{display:flex;flex:1;min-height:0}.sidebar{flex-shrink:0;overflow-y:auto;overflow-x:hidden;border-right:1px solid var(--border);background:var(--panel-bg);backdrop-filter:var(--frost);-webkit-backdrop-filter:blur(var(--panel-blur));padding:14px 10px}.sidebar-resize-handle{flex-shrink:0;width:5px;margin-left:-1px;cursor:col-resize;background:transparent;border:none;padding:0}.sidebar-resize-handle:hover,.sidebar-resize-handle:active{background:var(--accent-soft)}.sidebar-collapse-row{display:flex;justify-content:flex-end;margin-bottom:4px}.sidebar-collapse-btn,.sidebar-expand-tab{border:none;background:none;color:var(--muted);cursor:pointer;border-radius:5px;font-size:12px;line-height:1}.sidebar-collapse-btn{padding:3px 6px}.sidebar-collapse-btn:hover{background:var(--bg);color:var(--text)}.sidebar-expand-tab{flex-shrink:0;width:14px;border-right:1px solid var(--border);background:var(--bg-alt);writing-mode:vertical-rl}.sidebar-expand-tab:hover{background:var(--accent-soft);color:var(--accent)}.content{flex:1;min-width:0;overflow-y:auto;padding:28px 40px 80px;background:var(--bg)}.tree-list{list-style:none;padding-left:14px;border-left:1px solid var(--border);margin:0 0 0 9px}.tree>.tree-surface>div>.tree-list{padding-left:0;border-left:none;margin-left:0}.tree-row{display:flex;align-items:center;gap:2px;position:relative;min-width:0}.tree-header{padding:0 4px 6px}.tree-header-label{flex:1;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.tree-icon{flex-shrink:0;color:var(--muted)}.tree-icon.file{color:var(--muted);opacity:.8}.tree-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-folder{border:none;background:none;padding:3px 4px;flex:1;min-width:0;text-align:left;color:var(--text);font-weight:600;font-size:13.5px;border-radius:6px;display:flex;align-items:center;gap:5px}.tree-folder:hover{background:var(--bg);border:none}.tree-caret{display:inline-block;width:10px;font-size:10px;color:var(--muted);transition:transform var(--dur-hover) var(--ease-spring)}.tree-caret.open{transform:rotate(90deg)}.tree-page{flex:1;min-width:0;display:flex;align-items:center;gap:5px;padding:3px 4px 3px 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