:root{--app-canvas-bg:#fafafa}*,:after,:before{box-sizing:border-box}body,html{max-width:none;margin:0;min-height:100%;padding:0;font-family:system-ui,sans-serif;background:var(--app-canvas-bg)}html:has(.app-page-shell--chat-viewport){height:100dvh;max-height:100dvh;overflow:hidden}body:has(.app-page-shell--chat-viewport){min-height:100dvh;height:100dvh;max-height:100dvh;overflow:hidden}.app-page-shell{box-sizing:border-box;width:100%;max-width:none;margin:0;padding:0}.app-page-shell.app-page-shell--chat-viewport{height:100vh;height:100dvh;max-height:100vh;max-height:100dvh;min-height:0;overflow:hidden;margin:0;padding:0;display:grid;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr)}.app-page-shell.app-page-shell--chat-viewport>*{grid-area:1/1;min-width:0;min-height:0}button,input,textarea{font:inherit}pre{white-space:pre-wrap;word-break:break-word}body:after,body:before{content:"";position:fixed;border-radius:50%;filter:blur(90px);opacity:.3;z-index:-1;pointer-events:none}body:before{width:50vw;height:50vw;background:radial-gradient(circle,var(--accent-warm) 0,transparent 70%);top:-15%;left:-10%}body:after{width:45vw;height:45vw;background:radial-gradient(circle,var(--accent-cool) 0,transparent 70%);bottom:-15%;right:-10%}@keyframes pulse-soft{0%,to{box-shadow:0 0 0 0 rgba(22,163,74,.22)}50%{box-shadow:0 0 0 7px rgba(22,163,74,0)}}@keyframes typing-bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}@keyframes notif-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}@keyframes msg-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes panel-in{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes modal-in{0%{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}:root{--chat-shell-surface-max-width:none;--chat-shell-chrome-inset:var(--sp-lg);--chat-shell-chrome-radius:var(--radius-md);--bg-warm:#fafafa;--surface:hsla(0,0%,100%,.88);--surface-solid:#fff;--surface-elevated:#fff;--surface-soft:#f1f5f9;--surface-subtle:#fbfcfe;--surface-glass:rgba(248,250,252,.85);--surface-glass-strong:rgba(248,250,252,.95);--surface-glass-light:rgba(248,250,252,.65);--surface-modal-overlay:rgba(15,23,42,.5);--surface-modal-header:linear-gradient(180deg,var(--bg-warm-pale) 0%,var(--surface-soft) 100%);--surface-backdrop-mobile:rgba(0,0,0,.4);--shadow-mobile-overlay:4px 0 20px rgba(0,0,0,.35);--surface-muted:#e2e8f0;--surface-active:rgba(219,234,254,.95);--surface-selected:rgba(37,99,235,.08);--surface-faint:rgba(0,0,0,.03);--surface-ghost:hsla(0,0%,100%,.5);--bg-warm-deep:#f8fafc;--bg-warm-pale:#fff;--surface-agent-from:#f0f7ff;--surface-agent-to:#e8f2ff;--surface-avatar-from:#dbeafe;--surface-avatar-to:#bfdbfe;--surface-highlight:rgba(219,234,254,.8);--surface-selection:rgba(219,234,254,.75);--border-light:hsla(0,0%,100%,.7);--border-medium:hsla(0,0%,100%,.6);--border-subtle:rgba(148,163,184,.45);--border-input:rgba(148,163,184,.55);--border-dark:rgba(15,23,42,.12);--border-faint:rgba(15,23,42,.06);--border-divider:rgba(140,170,200,.3);--border-steel:rgba(140,170,200,.45);--border-selected:rgba(37,99,235,.38);--border-active:rgba(37,99,235,.55);--border-quote:rgba(148,163,184,.65);--border-selection:rgba(59,130,246,.35);--border-danger:rgba(185,28,28,.45);--text-primary:#1e3a52;--text-secondary:#7a9bb5;--text-muted:#a8c4d9;--text-heading:#0f172a;--text-contrast:#334155;--text-body:#475569;--text-tertiary:#64748b;--text-placeholder:#6b7280;--text-dim:#94a3b8;--text-meta:#57534e;--text-on-color:#fff;--text-error:#b91c1c;--text-warning:#b45309;--text-success:#047857;--text-mid-gray:#666;--accent-warm:#87ceeb;--accent-warm-light:#b8d8f0;--accent-cool:#5ba3d9;--accent-cool-light:#c4dff5;--accent-cta:#0ea5e9;--accent-blue:#2563eb;--accent-indigo:#6366f1;--accent-indigo-light:#c7d2fe;--accent-indigo-mid:#a5b4fc;--accent-cool-soft:rgba(91,163,217,.15);--accent-warm-soft:rgba(135,206,235,.1);--accent-sky:#d0e8f5;--accent-sky-deep:#b0d0eb;--accent-cool-border:rgba(91,163,217,.35);--accent-cool-focus-ring:rgba(91,163,217,.12);--btn-primary-from:#c96a6a;--btn-primary-to:#a85555;--ru-red:#a0c8e8;--ru-blue:#8bb8e0;--ru-white:#fff;--amber:#d97706;--amber-light:#f59e0b;--green:#81c784;--green-text:#4caf50;--green-soft:rgba(129,199,132,.12);--red:#ef4444;--red-soft:rgba(239,68,68,.08);--red-border:rgba(239,68,68,.3);--red-light:#f87171;--red-dark:#7f1d1d;--red-body:#991b1b;--red-pale:#fca5a5;--red-surface:hsla(0,86%,97%,.65);--skeleton-base:#e5e7eb;--skeleton-shine:#f3f4f6;--shadow-rest:0 1px 3px rgba(30,58,82,.05),0 4px 12px rgba(30,58,82,.04);--shadow-header:0 1px 2px rgba(30,58,82,.04),0 3px 8px rgba(30,58,82,.03);--shadow-hover:0 8px 16px rgba(30,58,82,.07),0 2px 6px rgba(30,58,82,.05);--shadow-float:0 12px 24px rgba(30,58,82,.1),0 4px 8px rgba(30,58,82,.06);--shadow-active-ring:rgba(37,99,235,.35);--mention-user-overlay:rgba(37,99,235,.08);--mention-agent-bg-from:rgba(124,58,237,.16);--mention-agent-bg-to:rgba(124,58,237,.08);--mention-agent-ring:rgba(124,58,237,.32);--radius-xs:4px;--radius-soft:6px;--radius-base:8px;--radius-sm:12px;--radius-md:20px;--radius-lg:28px;--radius-full:999px;--radius-circle:50%;--sp-3xs:0.375rem;--sp-2xs:0.25rem;--sp-xs:0.15rem;--sp-sm:0.35rem;--sp-sm-md:0.5rem;--sp-md:0.65rem;--sp-md-lg:0.75rem;--sp-lg:1rem;--sp-xl:1.5rem;--transition:all 0.35s cubic-bezier(0.4,0,0.2,1)}[data-shell-region] *,[data-shell-region] :after,[data-shell-region] :before{box-sizing:border-box}.chat-subtle-scroll{scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:var(--border-faint) transparent}.chat-subtle-scroll::-webkit-scrollbar{width:5px;height:5px}.chat-subtle-scroll::-webkit-scrollbar-thumb{background-color:var(--border-faint);border-radius:var(--radius-full)}.chat-subtle-scroll::-webkit-scrollbar-thumb:hover{background-color:var(--border-subtle)}.chat-subtle-scroll::-webkit-scrollbar-track{background:transparent}[data-visual=composer-draft-highlight]{scrollbar-width:none;-ms-overflow-style:none}[data-visual=composer-draft-highlight]::-webkit-scrollbar{width:0;height:0}.space-markdown-prose :first-child{margin-top:0}.space-markdown-prose :last-child{margin-bottom:0}.space-markdown-prose p{margin:.5em 0}.space-markdown-prose ol,.space-markdown-prose ul{margin:.45em 0;padding-left:1.35rem}.space-markdown-prose li{margin:.2em 0}.space-markdown-prose li>p{margin:.15em 0}.space-markdown-prose strong{font-weight:600}.space-markdown-prose code{font-size:.86em;padding:.12em .35em;border-radius:var(--radius-xs);background:var(--border-faint)}.space-markdown-prose pre{margin:.55em 0;padding:.55rem .65rem;border-radius:var(--radius-base);overflow-x:auto;background:var(--surface-faint);font-size:.82em;line-height:1.45}.space-markdown-prose pre code{padding:0;background:transparent;font-size:inherit}.space-markdown-prose blockquote{margin:.5em 0;padding-left:.75rem;border-left:3px solid var(--border-selection);color:var(--text-contrast)}.space-markdown-prose table{width:100%;border-collapse:collapse;font-size:.9em;margin:.55em 0}.space-markdown-prose td,.space-markdown-prose th{border:1px solid var(--border-dark);padding:.35rem .5rem;text-align:left}.space-markdown-prose th{background:var(--surface-faint);font-weight:600}.space-markdown-prose .katex{font-size:1.02em}.space-markdown-prose .katex-display{margin:.65em 0;overflow-x:auto;overflow-y:hidden}.phase1-composer-editor-wrap{height:100%;display:flex;flex-direction:column;min-height:0}.phase1-composer-editor-wrap .ProseMirror{outline:none;padding:0 4px;flex:1 1 auto;min-height:0;box-sizing:border-box}.phase1-composer-editor-wrap .ProseMirror p{margin:0}.phase1-composer-editor-wrap .ProseMirror p+p{margin-top:0}.phase1-composer-editor-wrap .ProseMirror p.is-editor-empty:first-child:before,.phase1-composer-editor-wrap .ProseMirror p.is-empty:first-child:before{content:attr(data-placeholder);float:left;height:0;pointer-events:none;color:var(--text-dim)}.phase1-composer-editor-wrap .ProseMirror .composer-mention{display:inline;font:inherit;font-size:inherit;line-height:inherit;padding:.1em .38em;border-radius:var(--radius-soft);box-decoration-break:clone;-webkit-box-decoration-break:clone}.phase1-composer-editor-wrap .ProseMirror .composer-mention--user{color:var(--accent-blue);background:linear-gradient(180deg,var(--surface-selected) 0,var(--mention-user-overlay) 100%);box-shadow:inset 0 0 0 1px var(--border-active)}.phase1-composer-editor-wrap .ProseMirror .composer-mention--agent{color:var(--accent-indigo);background:linear-gradient(180deg,var(--mention-agent-bg-from) 0,var(--mention-agent-bg-to) 100%);box-shadow:inset 0 0 0 1px var(--mention-agent-ring)}[data-visual=user-quiet]:hover{transform:translateY(-2px)!important;box-shadow:var(--shadow-hover)!important}[data-visual-style=message-bubble]{transition:var(--transition)}[data-visual-style=message-bubble]:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}[data-visual-style=composer-surface]{transition:var(--transition)}[data-visual-style=composer-surface]:hover{transform:translateY(-1px);box-shadow:var(--shadow-hover)}[data-visual-style=shell-chip]{transition:var(--transition)}[data-visual-style=shell-chip]:hover{transform:translateY(-1px);box-shadow:var(--shadow-hover)}[data-visual-style=agent-card]{transition:var(--transition)}[data-visual-style=agent-card]:hover{transform:translateY(-1px);box-shadow:var(--shadow-hover)}[data-visual-style=copilot-fab]{transition:var(--transition);transform-origin:bottom right}[data-visual-style=copilot-fab]:hover{transform:scale(1.1) rotate(-12deg);box-shadow:var(--shadow-float)}[data-visual-style=search-box]{transition:var(--transition)}[data-visual-style=search-box]:focus-within{background:var(--surface-solid)!important;border-color:var(--accent-cool-light)!important;box-shadow:0 0 0 4px var(--accent-cool-focus-ring)!important;border-radius:var(--radius-lg)!important}input[data-visual-style=input-field],textarea[data-visual-style=input-field]{border:1px solid var(--border-steel)!important;background:var(--surface-solid)!important;transition:var(--transition)!important}input[data-visual-style=input-field]:focus,textarea[data-visual-style=input-field]:focus{border-color:var(--accent-cool-light)!important;box-shadow:0 0 0 4px var(--accent-cool-focus-ring)!important;outline:none!important}input[data-visual-style=input-field]:hover:not(:focus),textarea[data-visual-style=input-field]:hover:not(:focus){border-color:var(--accent-cool-border)!important}[data-visual-style=search-hit]:hover{background:var(--accent-cool-soft)}[data-visual-style=send-btn]{transition:var(--transition)}[data-visual-style=send-btn]:hover{transform:scale(1.08) rotate(-8deg);box-shadow:var(--shadow-hover)}[data-visual-style=channel-item]{transition:var(--transition)}[data-visual-style=channel-item]:hover{background:var(--surface-glass-light)!important;transform:translateX(3px)}[data-visual-style=channel-item-avatar]{transition:var(--transition)}[data-visual-style=channel-item]:hover [data-visual-style=channel-item-avatar]{transform:scale(1.08)}[data-visual=msg-actions]{opacity:0;transform:translateY(4px);transition:var(--transition)}[data-timeline-message-id]:hover [data-visual=msg-actions]{opacity:1;transform:translateY(0)}[data-msg-action=pill]{transition:var(--transition)}[data-msg-action=pill]:hover{background:var(--surface-solid)!important;box-shadow:var(--shadow-rest);color:var(--text-primary)!important}[data-visual-style=space-layout]{transition:var(--transition)}[data-visual-style=space-layout]:hover{transform:translateY(-1px);box-shadow:var(--shadow-hover)}[data-visual-style=space-layout]:focus-visible{transform:translateY(-1px);box-shadow:var(--shadow-hover);outline:2px solid var(--accent-cool);outline-offset:2px}:root{--bp-mobile-max:767px;--bp-tablet-min:768px;--bp-tablet-max:1023px;--bp-desktop-min:1024px}[data-msg-action=compact]{transition:var(--transition)}[data-msg-action=compact]:hover{background:var(--surface-solid)!important;box-shadow:var(--shadow-rest);color:var(--text-primary)!important}[data-msg-action=compact].danger:hover{color:var(--red)!important;border-color:var(--red-border)!important}