:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#171a1f;--bg:#eef1f4;--surface:#fff;--surface-2:#f6f7f8;--surface-3:#e8ecef;--text:#171a1f;--muted:#606a75;--line:#d8dee4;--accent:#126f6a;--accent-strong:#0c5b56;--accent-soft:#d8efec;--danger:#b42318;--danger-soft:#fee4e2;--warning:#9a6700;--ok:#0f7b4d;--shadow:0 18px 48px #1419231f;background:#eef1f4;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f1f3f4;--bg:#111315;--surface:#191c1f;--surface-2:#202428;--surface-3:#2a3035;--text:#f1f3f4;--muted:#a8b0b8;--line:#30373d;--accent:#49b6ac;--accent-strong:#7bd5cb;--accent-soft:#173a38;--danger:#ffb4ab;--danger-soft:#3a1e1c;--warning:#ffd479;--ok:#7be0ad;--shadow:0 18px 48px #00000052;background:#111315}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled,textarea:disabled{cursor:not-allowed;opacity:.62}.boot-screen,.login-shell{place-items:center;min-height:100vh;padding:24px;display:grid}.login-panel{background:var(--surface);border:1px solid var(--line);width:min(420px,100%);box-shadow:var(--shadow);border-radius:8px;padding:28px}.login-mark{background:var(--accent-soft);width:44px;height:44px;color:var(--accent-strong);border-radius:8px;place-items:center;display:grid}.login-panel h1{letter-spacing:0;margin:18px 0 24px;font-size:1.45rem}.login-form{gap:12px;display:grid}.login-form label{color:var(--muted);font-size:.9rem}.login-form input,.composer textarea{width:100%;color:var(--text);background:var(--surface-2);border:1px solid var(--line);border-radius:8px;outline:none}.login-form input{height:44px;padding:0 12px}.login-form input:focus,.composer textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent)}.primary-button,.send-button{background:var(--accent);color:#fff;border:0;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:0 16px;font-weight:700;display:inline-flex}.primary-button:hover,.send-button:hover{background:var(--accent-strong)}.form-error{color:var(--danger);margin:0;font-size:.92rem}.app-shell{grid-template-columns:292px minmax(0,1fr) 304px;min-height:100vh;display:grid}.sidebar,.status-panel{background:var(--surface);border-color:var(--line);min-height:100vh}.sidebar{border-right:1px solid var(--line);flex-direction:column;display:flex}.sidebar-header,.topbar,.panel-toolbar{justify-content:space-between;align-items:center;gap:12px;display:flex}.sidebar-header{border-bottom:1px solid var(--line);padding:22px 18px 16px}.eyebrow{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin:0 0 4px;font-size:.74rem;font-weight:800}.sidebar h1,.topbar h2,.panel-section h2{letter-spacing:0;margin:0}.sidebar h1{font-size:1.18rem}.icon-button,.ghost-icon,.attachment-chip button,.error-banner button{border:1px solid var(--line);color:var(--text);background:var(--surface-2);border-radius:8px;place-items:center;display:inline-grid}.icon-button{flex:none;width:38px;height:38px}.icon-button:hover,.ghost-icon:hover,.mobile-toggle:hover,.attachment-chip button:hover{border-color:var(--accent);color:var(--accent-strong)}.history-list{gap:8px;padding:12px;display:grid;overflow-y:auto}.empty-history{min-height:88px;color:var(--muted);border:1px dashed var(--line);border-radius:8px;place-items:center;gap:8px;display:grid}.history-item{grid-template-columns:minmax(0,1fr) 34px;align-items:stretch;gap:6px;display:grid}.history-item>button:first-child{text-align:left;color:var(--text);background:0 0;border:1px solid #0000;border-radius:8px;gap:4px;padding:10px;display:grid}.history-item.active>button:first-child,.history-item>button:first-child:hover{background:var(--surface-2);border-color:var(--line)}.history-item small{color:var(--muted)}.ghost-icon{opacity:0;width:34px;height:100%}.history-item:hover .ghost-icon,.history-item:focus-within .ghost-icon{opacity:1}.main-panel{grid-template-rows:auto auto minmax(0,1fr) auto;min-width:0;min-height:100vh;display:grid}.topbar{background:color-mix(in srgb, var(--surface) 88%, transparent);border-bottom:1px solid var(--line);z-index:2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:16px 20px;position:sticky;top:0}.topbar h2{font-size:1.08rem}.error-banner{background:var(--danger-soft);color:var(--danger);border:1px solid color-mix(in srgb, var(--danger) 28%, transparent);border-radius:8px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;margin:14px 20px 0;padding:10px 12px;display:grid}.error-banner button{color:inherit;padding:6px 10px}.chat-window{min-height:0;padding:24px 20px;overflow-y:auto}.empty-chat{text-align:center;height:100%;min-height:360px;color:var(--muted);place-content:center;gap:10px;display:grid}.empty-chat h2{color:var(--text);margin:0;font-size:1.35rem}.empty-chat p{margin:0}.message-list{gap:18px;width:min(880px,100%);margin:0 auto;display:grid}.message{grid-template-columns:36px minmax(0,1fr);align-items:start;gap:12px;display:grid}.message.user{grid-template-columns:minmax(0,1fr) 36px}.message.user .message-avatar{grid-column:2}.message.user .message-body{background:var(--accent-soft);border-color:color-mix(in srgb, var(--accent) 24%, var(--line));grid-area:1/1;justify-self:end}.message-avatar{width:36px;height:36px;color:var(--accent-strong);background:var(--surface);border:1px solid var(--line);border-radius:8px;place-items:center;display:grid}.message-body{background:var(--surface);border:1px solid var(--line);border-radius:8px;max-width:min(720px,100%);padding:13px 14px;box-shadow:0 8px 22px #0f172a0d}.message.error .message-body{color:var(--danger);background:var(--danger-soft)}.message-meta{color:var(--muted);align-items:center;gap:10px;margin-bottom:8px;font-size:.82rem;display:flex}.message-meta span{color:var(--text);font-weight:800}.message-body p{white-space:pre-wrap;margin:0;line-height:1.58}.typing-indicator{color:var(--muted);align-items:center;gap:7px;padding-left:48px;display:inline-flex}.typing-indicator span{background:var(--accent);border-radius:999px;width:7px;height:7px;animation:1s ease-in-out infinite typing}.typing-indicator span:nth-child(2){animation-delay:.16s}.typing-indicator span:nth-child(3){animation-delay:.32s}.typing-indicator em{font-size:.9rem;font-style:normal}@keyframes typing{0%,80%,to{opacity:.45;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}.composer{background:var(--surface);border:1px solid var(--line);width:min(900px,100% - 40px);box-shadow:var(--shadow);border-radius:8px;margin:0 auto 20px;padding:10px}.composer-row{grid-template-columns:auto minmax(0,1fr) auto;align-items:end;gap:8px;display:grid}.composer textarea{resize:none;min-height:42px;max-height:160px;padding:10px 12px;line-height:1.4}.file-input{display:none}.send-button{white-space:nowrap;height:42px}.attachment-list{flex-wrap:wrap;gap:8px;margin-bottom:8px;display:flex}.attachment-list.compact{margin:0 0 10px}.attachment-chip{border:1px solid var(--line);background:var(--surface-2);border-radius:8px;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:8px;min-width:0;max-width:min(260px,100%);padding:6px;display:grid}.attachment-list.compact .attachment-chip{grid-template-columns:28px minmax(0,1fr);max-width:220px}.attachment-chip img{object-fit:cover;border-radius:6px;width:34px;height:34px}.attachment-list.compact .attachment-chip img{width:28px;height:28px}.attachment-chip strong,.attachment-chip small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.attachment-chip strong{font-size:.84rem}.attachment-chip small{color:var(--muted);font-size:.76rem}.attachment-chip button{width:26px;height:26px}.status-panel{border-left:1px solid var(--line);padding:16px}.panel-toolbar{justify-content:flex-end;margin-bottom:20px}.panel-section{border-top:1px solid var(--line);padding:16px 0}.panel-section:first-of-type{border-top:0;padding-top:0}.panel-section h2{margin-bottom:12px;font-size:.96rem}.status-row{min-height:28px;color:var(--muted);align-items:center;gap:9px;display:flex}.status-dot{background:var(--danger);border-radius:999px;width:10px;height:10px}.status-dot.ok{background:var(--ok)}.status-dot.bad{background:var(--danger)}.panel-note{color:var(--muted);margin:12px 0 0;font-size:.88rem;line-height:1.45}.model-lock{background:var(--accent-soft);min-height:34px;color:var(--accent-strong);border-radius:8px;align-items:center;gap:8px;padding:0 10px;display:inline-flex}.limits-list{gap:10px;margin:0;display:grid}.limits-list div{justify-content:space-between;gap:12px;display:flex}.limits-list dt{color:var(--muted)}.limits-list dd{margin:0;font-weight:800}@media (width<=1180px){.app-shell{grid-template-columns:260px minmax(0,1fr)}.status-panel{border-left:0;border-top:1px solid var(--line);grid-column:1/-1;min-height:auto}}@media (width<=780px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line);min-height:auto}.history-list{grid-auto-columns:minmax(220px,70vw);grid-auto-flow:column;overflow:auto hidden}.main-panel{min-height:calc(100vh - 150px)}.message.user,.message{grid-template-columns:32px minmax(0,1fr)}.message.user .message-avatar{grid-column:1}.message.user .message-body{grid-column:2}.composer{width:calc(100% - 24px);margin-bottom:12px}.send-button span{display:none}}