:root,:root[data-theme=light]{--bg: #f6f8fa;--bg-grad: #f6f8fa;--surface: #ffffff;--surface-2: #f6f8fa;--ink: #1f2328;--ink-strong: #1f2328;--muted: #59636e;--line: #d0d7de;--line-soft: #d8dee4;--accent: #1e5631;--accent-strong: #16472a;--accent-soft: #e7f0e8;--gold: #9a6700;--gold-soft: #fff8c5;--bad: #cf222e;--bad-bg: #ffebe9;--user-bubble: #1e5631;--user-ink: #ffffff;--shadow-1: 0 1px 0 rgba(31, 35, 40, .04);--shadow-2: 0 3px 6px rgba(140, 149, 159, .15);--radius: 6px;--radius-lg: 8px;--font-display: "Inter", -apple-system, "Segoe UI", sans-serif;--font-body: "Inter", -apple-system, "Segoe UI", sans-serif}:root[data-theme=dark]{--bg: #0d1117;--bg-grad: #0d1117;--surface: #161b22;--surface-2: #21262d;--ink: #e6edf3;--ink-strong: #f0f6fc;--muted: #8d96a0;--line: #30363d;--line-soft: #21262d;--accent: #3fb950;--accent-strong: #56d364;--accent-soft: rgba(63, 185, 80, .15);--gold: #d29922;--gold-soft: rgba(187, 128, 9, .15);--bad: #f85149;--bad-bg: rgba(248, 81, 73, .12);--user-bubble: #238636;--user-ink: #ffffff;--shadow-1: 0 0 transparent;--shadow-2: 0 8px 24px rgba(1, 4, 9, .6)}:root[data-theme=forest]{--bg: #0a0e14;--bg-grad: radial-gradient(900px 500px at 15% -10%, rgba(56, 139, 253, .18) 0%, transparent 55%), radial-gradient(1100px 700px at 100% 110%, rgba(31, 111, 235, .22) 0%, transparent 60%), linear-gradient(170deg, #0d1420, #0a0e14 55%);--surface: #0d1117;--surface-2: #161b22;--ink: #e6edf3;--ink-strong: #f0f6fc;--muted: #8d96a0;--line: #21304d;--line-soft: #1b2740;--accent: #58a6ff;--accent-strong: #79b8ff;--accent-soft: rgba(56, 139, 253, .15);--gold: #58a6ff;--gold-soft: rgba(56, 139, 253, .15);--bad: #f85149;--bad-bg: rgba(248, 81, 73, .12);--user-bubble: #1f6feb;--user-ink: #ffffff;--shadow-1: 0 0 12px rgba(56, 139, 253, .1);--shadow-2: 0 0 24px rgba(56, 139, 253, .18), 0 8px 24px rgba(1, 4, 9, .6)}:root,:root[data-density=cozy]{--item-pad-y: 7px;--item-pad-x: 10px;--item-font: 13.5px;--compose-pad: 6px;--compose-font: 14px;--icon-size: 16px}:root[data-density=compact]{--item-pad-y: 4px;--item-pad-x: 8px;--item-font: 12.5px;--compose-pad: 3px;--compose-font: 13px;--icon-size: 14px}:root[data-density=large]{--item-pad-y: 11px;--item-pad-x: 13px;--item-font: 15px;--compose-pad: 10px;--compose-font: 15.5px;--icon-size: 19px}*{box-sizing:border-box;margin:0}html,body,#root{height:100%}body{font-family:var(--font-body);color:var(--ink);background:var(--bg-grad);background-attachment:fixed;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}a{color:var(--accent);cursor:pointer;text-decoration:none}a:hover{text-decoration:underline}.boot{height:100%;display:grid;place-items:center;font-size:18px;font-weight:600;color:var(--accent)}.brand-logo{height:72px;width:auto;max-width:260px;object-fit:contain;margin-bottom:22px;border-radius:var(--radius)}.brand-logo.sm{height:44px;margin:0;max-width:190px}.brand-mark{width:48px;height:48px;border-radius:var(--radius);background:#1e5631;color:#e7bb4a;font-size:26px;font-weight:700;display:grid;place-items:center;margin-bottom:22px}.brand-mark.sm{width:34px;height:34px;font-size:19px;margin:0}.auth-wrap{min-height:100%;display:grid;grid-template-columns:27% 46% 27%}.auth-panel{padding:56px 64px;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}.brand-block{margin-bottom:30px}.auth-panel h1{font-weight:600;font-size:26px;color:var(--ink-strong);letter-spacing:-.01em}.auth-panel h1 span{color:var(--gold)}.tagline{color:var(--muted);margin-top:8px;max-width:38ch}.auth-form{display:flex;flex-direction:column;gap:15px}.auth-form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:13px;color:var(--ink-strong)}.auth-form input{font:inherit;color:var(--ink);padding:9px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);transition:border-color .1s,box-shadow .1s}.auth-form input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}.hint{font-size:12px;color:var(--muted);margin-top:-5px}.switch{font-size:13px;color:var(--muted)}button.primary{background:var(--accent);color:#fff;font-weight:600;font-size:14px;padding:10px 16px;border-radius:var(--radius);border:1px solid rgba(31,35,40,.15);transition:filter .1s}:root[data-theme=dark] button.primary{color:#fff;border-color:#f0f6fc1a}:root[data-theme=forest] button.primary{color:#16210f}button.primary:hover:not(:disabled){filter:brightness(1.08)}button.primary:disabled{opacity:.5;cursor:default}button.ghost{color:var(--muted);padding:6px 0;text-align:left;border-radius:var(--radius)}button.ghost:hover{color:var(--ink)}button.ghost.small{font-size:12.5px;padding:4px 8px;border:1px solid var(--line);background:var(--surface-2)}button.ghost.small:hover{border-color:var(--muted)}.notice{margin-top:16px;padding:10px 13px;border-radius:var(--radius);font-size:13px;border:1px solid}.notice.ok{background:var(--accent-soft);color:var(--ink-strong);border-color:var(--accent)}.notice.bad{background:var(--bad-bg);color:var(--bad);border-color:var(--bad)}.auth-side{background:linear-gradient(160deg,#0e2418,#1e5631 80%);display:grid;place-items:center;padding:48px}.side-inner{color:#eaf2ea;max-width:44ch}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:11px;color:#eec46a;font-weight:700;margin-bottom:12px}.auth-side h2{font-weight:600;font-size:32px;line-height:1.15;margin-bottom:22px;letter-spacing:-.01em}.auth-side ul{list-style:none;display:flex;flex-direction:column;gap:12px;padding:0}.auth-side li{padding-left:22px;position:relative;font-size:15px}.auth-side li:before{content:"✓";position:absolute;left:0;top:0;color:#eec46a;font-weight:700}.shell{height:100%;display:grid;grid-template-columns:minmax(320px,24%) 1fr}.sidebar{background:var(--surface);border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}.brand-row{display:flex;align-items:center;gap:10px;padding:0 4px}.brand-name{font-weight:600;color:var(--ink-strong);font-size:15px}.tier-badge{display:inline-block;font-size:11px;font-weight:600;padding:1px 8px;border-radius:99px;margin-top:3px;border:1px solid}.tier-standard{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}.tier-pro{background:var(--gold-soft);color:var(--gold);border-color:var(--gold)}.tier-advanced-pro{background:var(--gold-soft);color:var(--gold);border-color:var(--gold);font-weight:700}.side-section{display:flex;flex-direction:column;gap:3px}.side-label{font-size:11px;font-weight:600;color:var(--muted);margin:0 4px 5px;text-transform:none;letter-spacing:0}.source-btn,.roadmap-tile{display:flex;flex-direction:column;gap:1px;text-align:left;padding:var(--item-pad-y) var(--item-pad-x);border-radius:var(--radius);border:1px solid transparent;transition:background .1s}.source-btn:hover{background:var(--surface-2)}.source-btn.active{background:var(--accent-soft);border-color:var(--line);font-weight:600}.source-btn.active .src-title{color:var(--accent)}.src-title{font-weight:500;font-size:var(--item-font);color:var(--ink-strong);display:flex;align-items:center;gap:8px}.src-desc{font-size:12px;color:var(--muted)}.thread-count{font-size:11px;background:var(--surface-2);color:var(--muted);border:1px solid var(--line);border-radius:99px;min-width:18px;height:17px;display:inline-grid;place-items:center;padding:0 5px;font-weight:600}.roadmap-tile{opacity:.6;border:1px dashed var(--line)}.theme-row{display:flex;gap:6px;padding:0 4px}.theme-chip{flex:1;text-align:center;font-size:12px;font-weight:600;padding:7px 4px;border-radius:var(--radius);border:1px solid var(--line);transition:border-color .1s}.theme-chip:hover{border-color:var(--muted)}.theme-chip.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.theme-chip-light{background:#f6f8fa;color:#1e5631}.theme-chip-dark{background:#0d1117;color:#3fb950}.theme-chip-forest{background:linear-gradient(135deg,#0d2a1b,#123524);color:#eec46a}.side-footer{margin-top:auto;display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--line);padding-top:12px}.user-email{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 4px}.admin-link{font-size:13px;font-weight:600;padding:0 4px}.chat{display:flex;flex-direction:column;height:100vh}.chat-head{display:flex;justify-content:space-between;align-items:center;padding:13px 24px;background:var(--surface);border-bottom:1px solid var(--line)}.chat-head h2{font-weight:600;font-size:16px;color:var(--ink-strong)}.chat-head p{font-size:12.5px;color:var(--muted)}.head-actions{display:flex;align-items:center;gap:10px}.pill.warn{font-size:11.5px;font-weight:600;color:var(--gold);background:var(--gold-soft);border:1px solid var(--gold);padding:2px 10px;border-radius:99px}.thread{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:14px}.empty{margin:auto;text-align:center;max-width:580px}.empty-title{font-size:19px;font-weight:600;color:var(--ink-strong);margin-bottom:18px}.starters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.starters button{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);padding:7px 13px;font-size:12.5px;color:var(--ink);transition:border-color .1s,background .1s}.starters button:hover{border-color:var(--accent);background:var(--accent-soft)}.msg{display:flex}.msg.user{justify-content:flex-end}.bubble{max-width:76ch;padding:11px 15px;border-radius:var(--radius-lg);white-space:pre-wrap;font-size:14px}.msg.user .bubble{background:var(--user-bubble);color:var(--user-ink)}.msg.assistant .bubble{background:var(--surface);border:1px solid var(--line);white-space:normal}.msg.error .bubble{background:var(--bad-bg);color:var(--bad);border:1px solid var(--bad);font-size:13px}.typing{color:var(--muted);font-style:italic}.md p{margin:0 0 10px}.md p:last-child{margin-bottom:0}.md ul,.md ol{margin:4px 0 10px;padding-left:22px}.md li{margin:3px 0}.md h3,.md h4,.md h5{font-weight:600;color:var(--ink-strong);margin:14px 0 6px;padding-bottom:4px;border-bottom:1px solid var(--line-soft)}.md h3{font-size:15.5px}.md h4{font-size:14.5px}.md h5{font-size:14px;border-bottom:none}.md code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;background:var(--surface-2);border:1px solid var(--line-soft);padding:1px 5px;border-radius:4px}.md strong{color:var(--ink-strong);font-weight:600}.md hr{border:none;border-top:1px solid var(--line);margin:12px 0}.md table{border-collapse:collapse;margin:10px 0;font-size:13px;width:100%}.md th{text-align:left;font-weight:600;padding:7px 12px;background:var(--surface-2);border:1px solid var(--line)}.md td{padding:6px 12px;border:1px solid var(--line)}.citations{margin-top:10px;padding-top:8px;border-top:1px solid var(--line-soft);font-size:12px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;align-items:center}.cite{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent);padding:1px 9px;border-radius:99px;font-weight:500}.composer-wrap{padding:10px 24px 16px;background:var(--surface);border-top:1px solid var(--line)}.attach-chip{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;background:var(--accent-soft);color:var(--ink-strong);border:1px solid var(--accent);border-radius:99px;padding:4px 12px;margin-bottom:8px}.attach-chip button{font-size:12px;color:var(--muted)}.attach-chip button:hover{color:var(--bad)}.composer{display:flex;gap:8px;align-items:flex-end;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);padding:var(--compose-pad) calc(var(--compose-pad) + 2px);transition:border-color .1s,box-shadow .1s}.composer:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.icon-btn{font-size:var(--icon-size);padding:8px 10px;border-radius:var(--radius);line-height:1;transition:background .1s}.icon-btn:hover{background:var(--surface-2)}.composer textarea{flex:1;resize:none;font:inherit;font-size:var(--compose-font);color:var(--ink);padding:9px 6px;border:none;background:transparent;max-height:160px}.composer textarea:focus{outline:none;box-shadow:none}.composer textarea::placeholder{color:var(--muted)}.model-select{font:inherit;font-size:12.5px;font-weight:600;color:var(--ink);background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:8px;cursor:pointer;max-width:150px}.model-select:hover{border-color:var(--muted)}button.send{padding:9px 18px}.composer-note{font-size:11.5px;color:var(--muted);margin-top:7px;padding-left:4px}@media (prefers-reduced-motion: reduce){*{transition:none!important;scroll-behavior:auto!important}}.welcome-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:start center;background:#0a140e59;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:overlay-fade 4.2s ease forwards;cursor:pointer}.welcome-banner{margin-top:14vh;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:34px 56px;box-shadow:0 16px 48px #00000059;animation:banner-drop .7s cubic-bezier(.2,1.4,.4,1) forwards}.welcome-kicker{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}.welcome-title{font-size:40px;font-weight:700;letter-spacing:-.02em;color:var(--ink-strong)}.welcome-title span{color:var(--gold)}.welcome-sub{margin-top:8px;font-size:14.5px;color:var(--muted)}.confetti-field{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none}.confetti{position:absolute;top:-20px;display:block;animation-name:confetti-fall;animation-timing-function:linear;animation-fill-mode:forwards;opacity:.95}@keyframes confetti-fall{0%{transform:translateY(-20px) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:.6}}@keyframes banner-drop{0%{transform:translateY(-140%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes overlay-fade{0%,82%{opacity:1}to{opacity:0}}@media (prefers-reduced-motion: reduce){.confetti{display:none}.welcome-banner{animation:none}.welcome-overlay{animation-duration:2s}}.stack-row{display:flex;align-items:stretch;gap:4px;border-radius:var(--radius);border:1px solid transparent}.stack-row.active{background:var(--accent-soft);border-color:var(--line)}.stack-row.active .src-title{color:var(--accent)}.stack-main{flex:1;display:flex;flex-direction:column;gap:1px;text-align:left;padding:var(--item-pad-y) var(--item-pad-x);border-radius:var(--radius)}.stack-row:not(.active) .stack-main:hover{background:var(--surface-2)}.stack-del{padding:0 10px;color:var(--muted);font-size:12px;border-radius:var(--radius)}.stack-del:hover{color:var(--bad);background:var(--bad-bg)}.new-stack-btn{margin-top:2px;padding:7px 10px;text-align:left;font-size:13px;font-weight:600;color:var(--accent);border:1px dashed var(--line);border-radius:var(--radius)}.new-stack-btn:hover{border-color:var(--accent);background:var(--accent-soft)}.new-stack-btn:disabled{opacity:.5;cursor:default}.stack-doc-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:14px}.empty-sub{font-size:14px;color:var(--muted);max-width:46ch;margin:0 auto}.side-overview{font-size:16px;line-height:1.65;color:#d7e4d8;max-width:40ch}.auth-panel{align-items:center}.auth-form-box{width:100%;max-width:420px}.auth-intro{border-right:none}.auth-updates{background:var(--surface);border-left:1px solid var(--line);padding:44px 28px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.updates-title{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}.updates-list{display:flex;flex-direction:column;gap:12px}.update-card{display:flex;gap:12px;align-items:flex-start;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:13px 14px}.update-emoji{font-size:22px;line-height:1.2}.update-head{font-size:13.5px;font-weight:600;color:var(--ink-strong)}.update-text{font-size:12.5px;color:var(--muted);margin-top:2px;line-height:1.45}.update-date{font-size:11px;color:var(--muted);margin-top:5px;opacity:.8}.hamburger{display:none;font-size:20px;padding:6px 10px;border-radius:var(--radius);margin-right:10px}.hamburger:hover{background:var(--surface-2)}.nav-backdrop{display:none}@media (max-width: 1150px){.auth-wrap{grid-template-columns:38% 62%}.auth-updates{display:none}}@media (max-width: 820px){.auth-wrap{grid-template-columns:1fr}.auth-intro{display:none}.auth-panel{padding:36px 22px;min-height:100vh}.auth-form-box{max-width:440px;margin:0 auto}.shell{grid-template-columns:1fr}.hamburger{display:inline-block}.sidebar{position:fixed;inset:0 auto 0 0;width:min(82vw,320px);z-index:60;transform:translate(-105%);transition:transform .22s ease;box-shadow:8px 0 32px #00000040}.sidebar.open{transform:translate(0)}.nav-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#0006}.chat{height:100dvh}.chat-head{padding:10px 14px}.chat-head h2{font-size:15px}.chat-head p{display:none}.thread{padding:16px 12px}.bubble{max-width:92%;font-size:14px}.composer-wrap{padding:8px 10px 12px}.model-select{max-width:96px;font-size:11.5px;padding:8px 4px}button.send{padding:9px 14px}.welcome-banner{margin-top:18vh;padding:24px 26px;width:calc(100vw - 40px)}.welcome-title{font-size:28px}.starters{flex-direction:column;align-items:stretch}}@media (prefers-reduced-motion: reduce){.sidebar{transition:none}}.profile-btn{display:flex;align-items:center;gap:10px;width:100%;padding:8px;border-radius:var(--radius);text-align:left}.profile-btn:hover{background:var(--surface-2)}.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;font-size:15px;display:inline-grid;place-items:center;flex:none}.avatar.lg{width:52px;height:52px;font-size:24px}.profile-meta{display:flex;flex-direction:column;overflow:hidden}.profile-name{font-weight:600;font-size:13.5px;color:var(--ink-strong);text-transform:capitalize}.profile-sub{font-size:11.5px;color:var(--muted)}.profile-page{padding:24px;max-width:640px;margin:0 auto;width:100%;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.profile-head{display:flex;align-items:center;gap:14px;margin-bottom:4px}.profile-head h2{font-size:18px;color:var(--ink-strong)}.profile-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px 20px}.profile-card h3{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}.profile-id{display:flex;align-items:center;gap:16px}.profile-email{font-weight:600;font-size:15px;color:var(--ink-strong);margin-bottom:5px}.admin-flag{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent);margin-left:8px}.profile-row{margin-bottom:10px;font-size:14px}.profile-row:last-child{margin-bottom:0}.muted-note{color:var(--muted)}.setting-label{font-size:12.5px;font-weight:600;color:var(--ink-strong);margin:12px 0 7px}.setting-label:first-of-type{margin-top:0}.pill.shield{font-size:11.5px;font-weight:600;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent);padding:3px 10px;border-radius:99px;cursor:help}.meta-line{margin-top:9px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.protect-note{font-size:11.5px;color:var(--accent);font-weight:600}.model-note{font-size:11px;color:var(--muted);text-transform:capitalize}.helper-fab{position:fixed;right:22px;bottom:108px;z-index:80;width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;font-size:22px;display:grid;place-items:center;box-shadow:0 6px 20px #0000004d;transition:transform .12s}.helper-fab:hover{transform:scale(1.06)}.helper-panel{position:fixed;right:22px;bottom:172px;z-index:80;width:min(92vw,340px);max-height:min(70vh,480px);background:var(--surface);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 16px 48px #00000059}.helper-head{padding:12px 16px;font-weight:700;font-size:13px;border-bottom:1px solid var(--line);background:var(--surface-2)}.helper-msgs{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.helper-msg{font-size:13px;padding:8px 12px;border-radius:10px;max-width:90%;line-height:1.5}.helper-msg.bot{background:var(--surface-2);border:1px solid var(--line);align-self:flex-start}.helper-msg.user{background:var(--user-bubble);color:var(--user-ink);align-self:flex-end}.helper-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.helper-chips button{font-size:12px;border:1px solid var(--line);border-radius:99px;padding:5px 10px;background:var(--surface)}.helper-chips button:hover{border-color:var(--accent);background:var(--accent-soft)}.helper-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}.helper-input input{flex:1;font:inherit;font-size:13px;padding:8px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}.helper-input input:focus{outline:none;border-color:var(--accent)}.helper-input .primary{padding:8px 14px;font-size:13px}@media (max-width: 820px){.helper-fab{bottom:128px;right:14px}.helper-panel{bottom:190px;right:14px;max-height:55vh}}.helper-head{display:flex;align-items:center;gap:10px}.helper-avatar{width:34px;height:34px;border-radius:50%;background:var(--accent-soft);display:inline-grid;place-items:center;font-size:18px;flex:none;border:1px solid var(--accent)}.helper-head span:last-child{display:flex;flex-direction:column}.helper-name{font-weight:700;font-size:13.5px}.helper-role{font-size:11px;color:var(--muted);font-weight:500}.helper-row{display:flex;gap:7px;align-items:flex-end}.helper-row.user{justify-content:flex-end}.helper-msg-avatar{font-size:16px;flex:none;margin-bottom:2px}.helper-fab{animation:fab-pop .3s ease}@keyframes fab-pop{0%{transform:scale(0)}80%{transform:scale(1.1)}to{transform:scale(1)}}@media (prefers-reduced-motion: reduce){.helper-fab{animation:none}}.fab-face{font-size:44px;line-height:1;filter:drop-shadow(0 4px 10px rgba(0,0,0,.35))}.helper-fab{background:none;border:none;box-shadow:none;width:auto;height:auto;border-radius:0;padding:4px}.helper-fab:after{content:"Guide";position:absolute;bottom:-14px;left:50%;transform:translate(-50%);font-size:10.5px;font-weight:700;color:var(--accent);letter-spacing:.04em}.helper-fab:hover{transform:scale(1.1)}.fab-close{width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;display:inline-grid;place-items:center;font-size:17px;font-weight:700;box-shadow:0 4px 12px #0000004d}html,body{overflow-x:hidden;max-width:100%}.shell,.chat,.thread,.composer-wrap,.chat-head,.auth-wrap,.auth-panel{min-width:0}.bubble,.md,.helper-msg{overflow-wrap:anywhere;word-break:break-word}.md table{display:block;overflow-x:auto;max-width:100%}img,svg{max-width:100%}.composer,.composer textarea{min-width:0}@media (max-width: 820px){.chat-head{flex-wrap:wrap;gap:8px}.head-actions{flex-wrap:wrap;justify-content:flex-end}.pill.shield{display:none}.welcome-banner{width:calc(100% - 32px);padding:22px 20px}.attach-chip{max-width:100%;overflow:hidden;text-overflow:ellipsis}.model-select{max-width:84px}}