:root{--ui: #071924;--ui-strong: #041017;--accent: #ffff00;--accent-soft: color-mix(in srgb, var(--accent), transparent 82%);--accent-dark: color-mix(in srgb, var(--accent), black 25%);--accent-bright: color-mix(in srgb, var(--accent), white 75%);--surface: #0b202c;--surface-raised: #102b38;--page: #041017;--text: #eef8fb;--muted: #91a5b0;--line: #071924;--radius: 4px;--sidebar-width: 228px;--sidebar-collapsed-width: 64px;--topbar-height: 58px;--btn-border-width: 1px;--board-list-width: 286px}*{box-sizing:border-box}html{min-height:100%}body{min-height:100%;margin:0;background:var(--page);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}button,a{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}.icon{display:inline-flex;flex:0 0 auto;font-size:20px;line-height:1}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);height:100vh;min-height:100vh;overflow:hidden;transition:grid-template-columns .18s ease}.app-shell.is-collapsed{grid-template-columns:var(--sidebar-collapsed-width) minmax(0,1fr)}.sidebar{position:sticky;top:0;display:flex;flex-direction:column;height:100vh;justify-content:space-between;padding:12px;border-right:1px solid var(--line);background:var(--ui-strong)}.sidebar__top{display:grid;align-content:start;gap:14px}.brand{display:flex;align-items:center;gap:10px;height:40px;margin-bottom:14px;color:var(--text);font-weight:800}.app-shell.is-collapsed .brand{justify-content:center}.app-shell.is-collapsed .brand span{width:0;opacity:0;overflow:hidden}.brand--auth{margin-bottom:0}.brand img{width:30px;height:30px}.sidebar-toggle--sidebar{margin-bottom:14px}.nav-list{display:grid;gap:4px}.nav-list--bottom{padding-top:12px;border-top:1px solid var(--line)}.nav-link{position:relative;display:flex;align-items:center;min-width:0;height:40px;gap:11px;padding:0 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minmax(0,1fr);min-width:0;min-height:0;overflow:hidden}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;min-height:var(--topbar-height);padding:0 18px;border-bottom:1px solid var(--line);background:#041017e6;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.topbar__left,.topbar__current,.account-trigger{display:inline-flex;align-items:center;gap:9px}.sidebar-toggle{display:inline-grid;width:36px;height:36px;place-items:center;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text)}.sidebar-toggle:hover,.sidebar-toggle:focus-visible{background:var(--accent-soft);color:var(--accent)}.account-menu-shell{position:relative}.account-trigger{height:38px;padding:0 10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text)}.account-trigger:hover,.account-trigger:focus-visible{color:var(--accent);background:var(--accent-soft)}.account-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:30;display:grid;width:260px;gap:4px;padding:8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 22px 60px #00000057}.account-menu__identity{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;padding:8px;border-bottom:1px solid var(--line)}.account-menu__identity small{display:block;min-width:0;overflow:hidden;color:var(--muted);text-overflow:ellipsis;white-space:nowrap}.account-menu__item{display:flex;align-items:center;gap:10px;min-height:38px;width:100%;padding:0 10px;border:0;border-radius:var(--radius);background:transparent;color:var(--text);text-align:left}.account-menu__item:hover,.account-menu__item:focus-visible,.account-menu__item.active{background:var(--accent-soft);color:var(--accent)}.account-menu__item--button{cursor:pointer}.account-avatar{display:inline-grid;width:30px;height:30px;border:1px solid var(--accent);place-items:center;border-radius:999px;background:var(--accent);color:#fff;font-size:.68rem;font-weight:800;background-position:center;background-size:cover;overflow:hidden}.account-avatar--compact{width:24px;height:24px;font-size:.68rem}.account-avatar.has-image{color:transparent}.account-avatar img,.chat-avatar img{display:block;width:100%;height:100%;border-radius:inherit;object-fit:cover}.account-avatar--xl{width:92px;height:92px;font-size:1.35rem}.avatar-presence{position:relative;display:inline-grid;flex:0 0 auto}.avatar-presence .presence-dot{position:absolute;right:-1px;bottom:-1px;border:2px solid var(--surface)}.presence-dot{display:inline-block;width:9px;height:9px;flex:0 0 auto;border-radius:999px;background:#61727c;box-shadow:0 0 0 1px #eef8fb1f}.presence-dot.is-online{background:#80e6a6;box-shadow:0 0 0 1px #80e6a680,0 0 8px #80e6a66b}.page{min-width:0;min-height:0;overflow:auto;padding:22px}.chat-page{display:grid;height:100%;min-height:0}.auth-screen{display:grid;min-height:100vh;place-items:center;padding:24px}.auth-card{display:grid;width:min(420px,100%);gap:18px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.auth-card h1{margin:4px 0 8px}.notice{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);color:var(--text)}.notice--error{border-color:#ff5d5d57;background:#ff5d5d1f}.notice--success{border-color:#58d68d52;background:#58d68d1f}.page-stack{display:grid;gap:18px}.hero-band,.toolbar-row,.settings-panel,.module-card,.board-list{border:1px solid 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94%,var(--accent-bright) 99%);color:var(--ui-strong)}.secondary-action{padding:0 14px;border:var(--btn-border-width) solid transparent;background:#ffffff0f;color:var(--accent)}.primary-action:not(.danger-action):hover,.primary-action:not(.danger-action):focus-visible{background:var(--accent);border:var(--btn-border-width) solid var(--accent)}.secondary-action:hover,.secondary-action:focus-visible{background:var(--accent-soft)}.primary-action:disabled,.secondary-action:disabled,.secondary-action.is-disabled{cursor:not-allowed;opacity:.55;pointer-events:none}.danger-action{border-color:#b11818;background:#d93636;color:var(--ui-strong)}.ghost-action{width:100%;border:1px dashed var(--line);background:transparent;color:var(--muted)}.module-grid,.settings-grid,.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.status-item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px;border:1px solid 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