.app-messages{--m-bg:#fafaf9;--m-surface:#ffffff;--m-surface-2:#f4f4f5;--m-surface-3:#ededeb;--m-border:#e4e4e7;--m-border-strong:#d4d4d8;--m-ink:#0c0a09;--m-ink-2:#3d332e;--m-muted:#57534e;--m-subtle:#a8a29e;--m-accent:#5b4ae8;--m-accent-hover:#4838d0;--m-accent-soft:#eeebff;--m-accent-soft-strong:#dedafa;--m-em-on-dark:#f5e1b8;--m-ok:#15803d;--m-ok-soft:#e3f8e8;--m-ok-border:#b7e4c0;--m-info:#1d4ed8;--m-info-soft:#dbeafe;--m-info-border:#bfd6fb;--m-warn:#b45309;--m-warn-soft:#fef3c7;--m-warn-border:#f3dda4;--m-r-sm:6px;--m-r-md:8px;--m-r-lg:12px;--m-r-xl:16px;--m-font-display:var(--font-geist),system-ui,sans-serif;--m-font-mono:"JetBrains Mono",ui-monospace,monospace;--m-conv-list-w:340px;color:var(--m-ink);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.app-messages *{box-sizing:border-box}.app-messages .eyebrow{font-family:var(--m-font-mono);font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--m-muted);display:inline-flex;align-items:center;gap:8px}.app-messages .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--m-accent);flex-shrink:0;position:relative}.app-messages .eyebrow.live .dot:after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--m-accent);animation:m-pulse 2.2s cubic-bezier(0,0,.2,1) infinite}@keyframes m-pulse{0%{box-shadow:0 0 0 0 color-mix(in oklab,var(--m-accent) 60%,transparent)}70%{box-shadow:0 0 0 9px color-mix(in oklab,var(--m-accent) 0%,transparent)}to{box-shadow:0 0 0 0 color-mix(in oklab,var(--m-accent) 0%,transparent)}}.app-messages .role-chip{font-family:var(--m-font-mono);font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:2px 5px;border-radius:3px;border:1px solid transparent}.app-messages .role-chip.dr{background:var(--m-accent-soft);color:var(--m-accent);border-color:var(--m-accent-soft-strong)}.app-messages .role-chip.air{background:var(--m-info-soft);color:var(--m-info);border-color:var(--m-info-border)}.app-messages .role-chip.inst{background:var(--m-surface-2);color:var(--m-ink-2);border-color:var(--m-border)}.app-messages .av-circle{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:-.02em;border:1px solid;flex-shrink:0;position:relative}.app-messages .av-circle.dr{background:var(--m-accent-soft);color:var(--m-accent);border-color:var(--m-accent-soft-strong)}.app-messages .av-circle.air{background:var(--m-info-soft);color:var(--m-info);border-color:var(--m-info-border)}.app-messages .av-circle.inst{background:var(--m-surface-2);color:var(--m-ink-2);border-color:var(--m-border)}.app-messages .av-circle.sm{width:28px;height:28px;font-size:10px}.app-messages .av-circle.lg{width:48px;height:48px;font-size:15px}.app-messages[data-role=air] .role-dr,.app-messages[data-role=dr] .role-air{display:none}.app-messages .icon-btn{width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--m-border);border-radius:var(--m-r-sm);background:var(--m-surface);color:var(--m-ink-2);cursor:pointer}.app-messages .icon-btn:hover{background:var(--m-surface-2);border-color:var(--m-border-strong);color:var(--m-ink)}.app-mode .role-switch,.app-mode .state-switch{display:inline-flex;border:1px solid var(--border);border-radius:var(--r-sm);padding:2px;background:var(--surface);font-family:var(--font-mono,var(--font-jetbrains),"JetBrains Mono",ui-monospace,monospace);font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.app-mode .role-switch button,.app-mode .state-switch button{appearance:none;background:transparent;border:0;padding:6px 11px;cursor:pointer;color:var(--muted);border-radius:4px;font:inherit;transition:background .12s,color .12s}.app-mode .role-switch button.is-active,.app-mode .state-switch button.is-active{background:var(--accent-soft);color:var(--accent)}.app-mode .role-switch .label-prefix,.app-mode .state-switch .label-prefix{display:inline-flex;align-items:center;padding:0 8px 0 6px;color:var(--subtle);font-size:10px}.msg-masthead{position:relative}.msg-masthead h1{font-family:var(--font-display);font-size:44px;line-height:1.05;letter-spacing:-.035em;margin:14px 0 10px}.msg-masthead .lede{max-width:560px;font-size:15px;line-height:1.65;margin:0}.app-messages.msg-content{padding:56px;max-width:1440px;margin:0 auto;width:100%}.app-messages .messages-pane{display:grid;grid-template-columns:var(--m-conv-list-w) 1fr;gap:16px;height:calc(100vh - 256px);min-height:520px;overflow:hidden}.app-messages .conv-list{border:1px solid var(--m-border);border-radius:var(--m-r-lg);display:flex;flex-direction:column;overflow:hidden}.app-messages .conv-list-head{padding:22px 22px 14px;border-bottom:1px solid var(--m-border);flex-shrink:0}.app-messages .conv-list-head h2{font-size:22px;font-weight:600;letter-spacing:-.02em;margin:8px 0 6px}.app-messages .conv-list-head .sub{font-size:12.5px;color:var(--m-muted);margin:0}.app-messages .conv-list-head .sub b{color:var(--m-ink);font-weight:600}.app-messages .conv-list-actions{display:flex;gap:6px;padding:12px 18px;border-bottom:1px solid var(--m-border);flex-shrink:0}.app-messages .conv-list-search{position:relative;flex:1}.app-messages .conv-list-search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--m-subtle)}.app-messages .conv-list-search input{width:100%;padding:8px 12px 8px 34px;border:1px solid var(--m-border);border-radius:var(--m-r-sm);background:var(--m-surface-2);font-family:var(--m-font-display);font-size:13px;color:var(--m-ink)}.app-messages .conv-list-search input:focus{outline:none;border-color:var(--m-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--m-accent) 14%,transparent)}.messages-dock{display:flex;align-items:center}.messages-dock .tab-switch{display:inline-flex;border-radius:8px;padding:2px}.messages-dock .tab-switch button{appearance:none;background:transparent;border:0;padding:6px 12px;font:inherit;font-family:JetBrains Mono,ui-monospace,monospace;font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;border-radius:5px;display:inline-flex;align-items:center;gap:5px;transition:background .12s,color .12s}.messages-dock .tab-switch button .seg-count{font-size:9px;padding:0 4px;line-height:1.4;border-radius:3px;background:rgba(255,255,255,.18)}.app-messages .conv-items{flex:1;overflow-y:auto;padding:6px 8px}.app-messages .conv-item{display:grid;grid-template-columns:36px 1fr auto;gap:12px;padding:12px 14px;border-radius:var(--m-r-sm);cursor:pointer;align-items:start;transition:background .12s;position:relative}.app-messages .conv-item:hover{background:var(--m-surface-2)}.app-messages .conv-item.is-active{background:var(--m-accent-soft)}.app-messages .conv-item.is-active:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;background:var(--m-accent);border-radius:0 2px 2px 0}.app-messages .conv-item .av-circle .active-pip{position:absolute;bottom:-2px;right:-2px;width:11px;height:11px;border-radius:50%;background:var(--m-ok);border:2px solid var(--m-surface)}.app-messages .conv-item.is-active .av-circle .active-pip{border-color:var(--m-accent-soft)}.app-messages .conv-body{display:flex;flex-direction:column;gap:3px;min-width:0}.app-messages .conv-name-row{display:flex;align-items:center;gap:6px;font-weight:600;font-size:14px;letter-spacing:-.01em}.app-messages .conv-name-row .name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.app-messages .conv-name-row .role-chip{flex-shrink:0}.app-messages .conv-meta-row{display:flex;align-items:center;gap:6px;font-family:var(--m-font-mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--m-subtle)}.app-messages .conv-meta-row .institution{color:var(--m-muted)}.app-messages .conv-meta-row .sep{width:2px;height:2px;border-radius:50%;background:var(--m-border-strong)}.app-messages .conv-preview{font-size:12.5px;color:var(--m-muted);line-height:1.4;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-messages .conv-item.unread .conv-preview{color:var(--m-ink);font-weight:500}.app-messages .conv-right{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}.app-messages .conv-time{font-family:var(--m-font-mono);font-size:9.5px;letter-spacing:.04em;color:var(--m-subtle);text-transform:uppercase}.app-messages .conv-item.is-active .conv-time{color:var(--m-accent)}.app-messages .unread-badge{font-family:var(--m-font-mono);font-size:9px;font-weight:700;background:var(--m-accent);color:#fff;min-width:16px;padding:2px 5px;border-radius:999px;text-align:center;letter-spacing:0}.app-messages .thread{display:flex;flex-direction:column;flex:1;min-width:0;border:1px solid var(--m-border);border-radius:var(--m-r-lg);overflow:hidden}.app-messages .peer-head{display:flex;align-items:center;gap:14px;padding:18px 28px;border-bottom:1px solid var(--m-border);background:var(--m-surface);flex-shrink:0}.app-messages .peer-head .av-circle .active-pip{position:absolute;bottom:-2px;right:-2px;width:13px;height:13px;border-radius:50%;background:var(--m-ok);border:2px solid var(--m-surface)}.app-messages .peer-head .info{flex:1;min-width:0}.app-messages .peer-head h2{font-size:17px;font-weight:600;letter-spacing:-.015em;margin:0;display:flex;align-items:center;gap:8px}.app-messages .peer-head .peer-meta{display:flex;align-items:center;gap:8px;margin-top:3px;font-family:var(--m-font-mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--m-muted)}.app-messages .peer-head .peer-meta .pulse-d{width:6px;height:6px;border-radius:50%;background:var(--m-ok);position:relative}.app-messages .peer-head .peer-meta .pulse-d:after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--m-ok);animation:m-pulse 2.2s cubic-bezier(0,0,.2,1) infinite}.app-messages .peer-head .peer-meta .sep{width:2px;height:2px;border-radius:50%;background:var(--m-border-strong)}.app-messages .peer-head .peer-actions{display:flex;gap:6px}.app-messages .context-strip{display:flex;align-items:center;gap:12px;padding:11px 28px;background:linear-gradient(90deg,color-mix(in srgb,var(--m-accent-soft) 40%,var(--m-surface)) 0,var(--m-surface) 100%);border-bottom:1px solid var(--m-border);flex-shrink:0}.app-messages .context-strip .ctx-icon{width:26px;height:26px;border-radius:var(--m-r-sm);background:var(--m-accent);color:#fff;display:grid;place-items:center;flex-shrink:0}.app-messages .context-strip .ctx-icon svg{width:13px;height:13px}.app-messages .context-strip .ctx-body{flex:1;min-width:0}.app-messages .context-strip .ctx-body .ctx-eyebrow{font-family:var(--m-font-mono);font-size:9.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--m-accent)}.app-messages .context-strip .ctx-body .ctx-title{font-size:13px;font-weight:600;letter-spacing:-.01em;margin:0}.app-messages .context-strip .ctx-body .ctx-title i{font-style:italic}.app-messages .context-strip .ctx-link{font-family:var(--m-font-mono);font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--m-accent);text-decoration:none;padding:6px 12px;border:1px solid var(--m-accent-soft-strong);border-radius:var(--m-r-sm);background:var(--m-surface);transition:background .12s,border-color .12s}.app-messages .context-strip .ctx-link:hover{background:var(--m-accent-soft);border-color:var(--m-accent)}.app-messages .thread-body{flex:1;overflow-y:auto;padding:28px 32px 16px;display:flex;flex-direction:column;gap:18px}.app-messages .day-sep{display:flex;align-items:center;gap:12px;font-family:var(--m-font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--m-subtle);margin:8px 0 0}.app-messages .day-sep:after,.app-messages .day-sep:before{content:"";flex:1;height:1px;background:var(--m-border)}.app-messages .msg-row{display:grid;grid-template-columns:36px 1fr;gap:12px;max-width:720px}.app-messages .msg-row.mine{grid-template-columns:1fr 36px;margin-left:auto}.app-messages .msg-row.mine .av-circle{order:2}.app-messages .msg-row.mine .msg-content{order:1;align-items:flex-end}.app-messages .msg-content{display:flex;flex-direction:column;gap:6px;min-width:0}.app-messages .msg-meta{display:flex;align-items:center;gap:8px;font-size:12.5px}.app-messages .msg-meta .name{font-weight:600;color:var(--m-ink);letter-spacing:-.01em}.app-messages .msg-meta .time{font-family:var(--m-font-mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--m-subtle)}.app-messages .msg-bubble{background:var(--m-surface);border:1px solid var(--m-border);border-radius:var(--m-r-lg);padding:12px 16px;font-size:14px;line-height:1.55;color:var(--m-ink);letter-spacing:-.005em;width:fit-content;max-width:100%}.app-messages .msg-bubble i{font-style:italic}.app-messages .msg-row.mine .msg-bubble{background:var(--m-accent);color:#fff;border-color:var(--m-accent)}.app-messages .msg-row.mine .msg-bubble code{background:rgba(255,255,255,.18)}.app-messages .msg-bubble code{font-family:var(--m-font-mono);font-size:12.5px;background:var(--m-surface-2);padding:1px 5px;border-radius:3px;letter-spacing:0}.app-messages .msg-attach{display:grid;grid-template-columns:32px 1fr auto;gap:10px;align-items:center;padding:10px 14px;background:var(--m-surface);border:1px solid var(--m-border);border-radius:var(--m-r-md);margin-top:4px;cursor:pointer;transition:border-color .12s,background .12s}.app-messages .msg-attach:hover{border-color:var(--m-border-strong);background:var(--m-surface-2)}.app-messages .msg-attach .a-icon{width:32px;height:32px;border-radius:var(--m-r-sm);background:var(--m-surface-2);display:grid;place-items:center;color:var(--m-ink-2)}.app-messages .msg-attach .a-icon svg{width:16px;height:16px}.app-messages .msg-attach .a-name{font-size:13px;font-weight:500}.app-messages .msg-attach .a-meta{font-family:var(--m-font-mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--m-muted);margin-top:1px}.app-messages .msg-attach .a-ext{font-size:9px;letter-spacing:.08em;color:var(--m-subtle);padding:2px 5px;border-radius:3px;background:var(--m-surface-2);border:1px solid var(--m-border)}.app-messages .msg-attach .a-ext,.app-messages .typing{font-family:var(--m-font-mono);text-transform:uppercase}.app-messages .typing{display:flex;align-items:center;gap:12px;font-size:10.5px;letter-spacing:.06em;color:var(--m-muted);padding:4px 0}.app-messages .typing .dots{display:inline-flex;gap:4px}.app-messages .typing .dots span{width:6px;height:6px;border-radius:50%;background:var(--m-accent);animation:m-typing-bounce 1.4s ease-in-out infinite}.app-messages .typing .dots span:nth-child(2){animation-delay:.2s}.app-messages .typing .dots span:nth-child(3){animation-delay:.4s}@keyframes m-typing-bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-3px);opacity:1}}.app-messages .composer{border-top:1px solid var(--m-border);background:var(--m-surface);padding:16px 28px 22px;flex-shrink:0}.app-messages .composer-row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:flex-end}.app-messages .composer-row .attach-btn{width:36px;height:36px;border-radius:var(--m-r-sm);border:1px solid var(--m-border);background:var(--m-surface);color:var(--m-ink-2);display:grid;place-items:center;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.app-messages .composer-row .attach-btn:hover{background:var(--m-surface-2);border-color:var(--m-border-strong);color:var(--m-ink)}.app-messages .composer-row .attach-btn svg{width:16px;height:16px}.app-messages .composer-input{border:1px solid var(--m-border);border-radius:var(--m-r-md);background:var(--m-surface);padding:9px 14px;min-height:36px;max-height:140px;overflow-y:auto;font-family:var(--m-font-display);font-size:14px;line-height:1.5;color:var(--m-ink);outline:none;transition:border-color .15s,box-shadow .15s}.app-messages .composer-input:focus,.app-messages .composer-input:focus-within{border-color:var(--m-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--m-accent) 14%,transparent)}.app-messages .composer-input[contenteditable]:empty:before{content:attr(data-placeholder);color:var(--m-subtle)}.app-messages .send-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;background:var(--m-accent);color:#fff;border:0;border-radius:var(--m-r-sm);cursor:pointer;font-family:var(--m-font-display);font-size:13px;font-weight:500;transition:background .15s,transform .15s,box-shadow .15s;height:36px}.app-messages .send-btn:hover{background:var(--m-accent-hover);transform:translateY(-1px)}.app-messages .send-btn .kbd{font-family:var(--m-font-mono);font-size:10px;letter-spacing:.04em;padding:1px 5px;border-radius:3px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.22)}.app-messages .send-btn svg{width:14px;height:14px}.app-messages .composer-foot{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-family:var(--m-font-mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--m-subtle)}.app-messages .composer-foot kbd{font-family:var(--m-font-mono);padding:1px 5px;background:var(--m-surface-2);border:1px solid var(--m-border);border-radius:3px;font-size:9px;color:var(--m-ink-2)}.app-messages .empty-pane{flex:1;display:none;flex-direction:column;align-items:center;justify-content:center;padding:64px 56px;background:var(--m-bg);text-align:center;position:relative;overflow:hidden}.app-messages .empty-pane:before{content:"";position:absolute;top:12%;left:50%;transform:translateX(-50%);width:360px;height:360px;background:radial-gradient(circle,color-mix(in srgb,var(--m-accent-soft) 50%,transparent) 0,transparent 70%);pointer-events:none;z-index:0}.app-messages .empty-pane>*{position:relative;z-index:1}.app-messages[data-state=empty] .empty-pane{display:flex}.app-messages[data-state=empty] .thread{display:none}.app-messages[data-state=empty] .conv-empty{display:flex}.app-messages[data-state=populated] .conv-empty{display:none}.app-messages .empty-pane .empty-eyebrow{margin-bottom:18px}.app-messages .empty-pane .empty-orb{width:64px;height:64px;border-radius:50%;background:var(--m-accent);color:#fff;display:grid;place-items:center;margin-bottom:26px;position:relative;box-shadow:0 8px 24px -8px color-mix(in srgb,var(--m-accent) 40%,transparent)}.app-messages .empty-pane .empty-orb:after{content:"";position:absolute;inset:-6px;border-radius:50%;animation:m-pulse 2.4s cubic-bezier(0,0,.2,1) infinite;background:var(--m-accent)}.app-messages .empty-pane .empty-orb svg{width:26px;height:26px;position:relative;z-index:1}.app-messages .empty-pane h2{font-size:36px;font-weight:600;letter-spacing:-.03em;line-height:1.1;margin:0 0 16px;max-width:28ch;text-wrap:balance}.app-messages .empty-pane h2 em{font-style:italic;color:var(--m-accent);font-weight:500}.app-messages .empty-pane .empty-lede{font-size:15px;line-height:1.6;color:var(--m-ink-2);margin:0 0 32px;max-width:52ch}.app-messages .empty-pane .empty-lede em{font-style:italic;color:var(--m-accent);font-weight:500}.app-messages .empty-paths{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:520px;width:100%;margin:0 auto 24px}.app-messages .empty-path{display:flex;flex-direction:column;gap:10px;padding:22px;background:var(--m-surface);border:1px solid var(--m-border);border-radius:var(--m-r-lg);text-align:left;cursor:pointer;transition:border-color .15s,transform .15s,box-shadow .15s}.app-messages .empty-path:hover{border-color:var(--m-accent-soft-strong);transform:translateY(-2px);box-shadow:0 8px 24px -10px color-mix(in srgb,var(--m-accent) 20%,transparent)}.app-messages .empty-path .ep-icon{width:32px;height:32px;border-radius:var(--m-r-sm);background:var(--m-accent-soft);color:var(--m-accent);display:grid;place-items:center;margin-bottom:4px}.app-messages .empty-path .ep-icon svg{width:16px;height:16px}.app-messages .empty-path h4{font-size:15px;font-weight:600;letter-spacing:-.01em;margin:0}.app-messages .empty-path p{font-size:12.5px;line-height:1.5;color:var(--m-muted);margin:0}.app-messages .empty-path .ep-arrow{margin-top:auto;font-family:var(--m-font-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--m-accent);display:inline-flex;align-items:center;gap:4px;font-weight:600}.app-messages .empty-path:hover .ep-arrow svg{transform:translateX(2px)}.app-messages .empty-path .ep-arrow svg{width:11px;height:11px;transition:transform .15s}.app-messages .empty-rules{font-family:var(--m-font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--m-muted);max-width:56ch;line-height:1.65;text-transform:uppercase;border-top:1px solid var(--m-border);padding-top:22px;margin-top:8px}.app-messages .empty-rules b{color:var(--m-ink);font-weight:600}.app-messages .conv-empty{flex:1;display:none;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;text-align:center;gap:12px;color:var(--m-muted);font-size:13px;line-height:1.5}.app-messages .conv-empty .icon{width:36px;height:36px;border-radius:50%;background:var(--m-surface-2);color:var(--m-subtle);display:grid;place-items:center}.app-messages .conv-empty .icon svg{width:16px;height:16px}.app-messages .conv-empty p{margin:0;max-width:28ch}.app-messages .conv-empty p b{color:var(--m-ink);font-weight:600}