:root{color-scheme:light;--background:#f6f7f9;--foreground:#17191c;--muted:#6b7280;--panel:#ffffff;--line:#d9dee7;--primary:#0f766e;--primary-strong:#115e59;--primary-soft:#e1f6f1;--assistant:#eef2f7;--user:#dff5ef}*,:after,:before{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--background);color:var(--foreground);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}button,input,select,textarea{font:inherit}.shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.app-layout{width:min(1180px,100%);height:min(840px,calc(100vh - 48px));display:grid;grid-template-columns:240px minmax(0,1fr);background:var(--panel);border:1px solid #c9d2df;border-radius:12px;box-shadow:0 16px 50px rgba(31,41,55,.1);overflow:hidden}.conversation-sidebar{display:flex;flex-direction:column;gap:10px;min-width:0;padding:14px 12px;border-right:1px solid var(--line);background:#f8fafc}.sidebar-header{display:flex;flex-direction:column;align-items:stretch;gap:8px;color:#4b5563;font-size:12px;font-weight:600}.sidebar-actions{display:flex;gap:6px}.conversation-list{display:flex;flex-direction:column;gap:4px;min-height:0;overflow-y:auto}.conversation-item{width:100%;min-height:34px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:4px;gap:4px;border:1px solid transparent;border-radius:7px;padding:3px;background:transparent;color:#475569;transition:background .12s,border-color .12s,color .12s}.conversation-item:hover{background:#eef2f7;color:#1f2937}.conversation-item.active{border-color:#b9e5dc;background:var(--primary-soft);color:var(--primary-strong)}.conversation-open-btn{min-width:0;border:0;border-radius:5px;padding:6px 5px;background:transparent;color:inherit;cursor:pointer;text-align:left}.conversation-open-btn:disabled{opacity:.55;cursor:not-allowed}.conversation-title{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:500}.conversation-delete-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:5px;background:transparent;color:#94a3b8;cursor:pointer;line-height:1;transition:background .12s,border-color .12s,color .12s}.conversation-delete-btn:hover:not(:disabled){border-color:#fecaca;background:#fff1f2;color:#be123c}.conversation-delete-btn:disabled{opacity:.45;cursor:not-allowed}.chat-panel{min-width:0;min-height:0;display:grid;grid-template-rows:auto auto auto 1fr auto;background:var(--panel);overflow:hidden}.access-panel{width:min(420px,100%);display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:28px;background:var(--panel);border:1px solid #c9d2df;border-radius:12px;box-shadow:0 16px 50px rgba(31,41,55,.1)}.access-avatar{width:44px;height:44px}.access-panel p{margin:0;color:var(--muted)}.access-status{font-size:13px}.access-form{width:100%;display:grid;grid-gap:10px;gap:10px}.access-form input{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--panel);color:var(--foreground);outline:none}.access-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,118,110,.12)}.access-form button{border:1px solid #8bd6c9;border-radius:8px;padding:9px 12px;background:var(--primary);color:white;cursor:pointer;font-weight:600;transition:background .12s,opacity .12s}.access-form button:hover:not(:disabled){background:var(--primary-strong)}.access-form button:disabled{opacity:.55;cursor:not-allowed}.access-error{color:#be123c;font-size:13px}.topbar{justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line)}.topbar,.topbar-left{display:flex;align-items:center}.topbar-left{gap:12px}.model-avatar{width:38px;height:38px;border-radius:9px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.topbar-meta{display:flex;flex-direction:column;gap:1px}h1{margin:0;font-size:16px;font-weight:600;line-height:1.2;letter-spacing:-.01em}.topbar-sub{margin:0;font-size:12px;color:var(--muted)}.topbar-right{gap:8px;flex-wrap:wrap;justify-content:flex-end}.badge,.topbar-right{display:flex;align-items:center}.badge{gap:6px;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:500;white-space:nowrap}.badge-stream{color:var(--primary-strong);border:1px solid #8bd6c9;background:var(--primary-soft)}.badge-rate{color:#4b5563;border:1px solid #d8dee8;background:#f8fafc}.pulse-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.toolbar-row{display:flex;align-items:center;gap:8px;padding:8px 18px;border-bottom:1px solid var(--line);background:#f8fafc}.toolbar-label{font-size:12px;color:var(--muted);flex-shrink:0}.model-select{font-size:12px;border:1px solid var(--line);border-radius:6px;padding:4px 8px;background:var(--panel);color:var(--foreground);cursor:pointer;outline:none;transition:border-color .12s}.model-select:focus{border-color:var(--primary)}.model-select:disabled{opacity:.5;cursor:not-allowed}.sys-prompt-btn{margin-left:auto;display:flex;align-items:center;gap:5px;font-size:12px;border:1px solid var(--line);border-radius:6px;padding:4px 10px;background:var(--panel);color:#4b5563;cursor:pointer;transition:background .12s,border-color .12s}.sys-prompt-btn:hover{background:#eef2f7;border-color:#b0bece}.new-chat-btn{flex:1 1;font-size:12px;font-weight:500;border:1px solid #8bd6c9;border-radius:6px;padding:4px 10px;background:var(--primary-soft);color:var(--primary-strong);cursor:pointer;transition:background .12s,border-color .12s}.new-chat-btn:hover:not(:disabled){border-color:#68c8ba;background:#d2f0ea}.new-chat-btn:disabled{opacity:.55;cursor:not-allowed}.clear-history-btn{flex-shrink:0;font-size:12px;font-weight:500;border:1px solid var(--line);border-radius:6px;padding:4px 8px;background:var(--panel);color:#64748b;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.clear-history-btn:hover:not(:disabled){border-color:#fecaca;background:#fff1f2;color:#be123c}.clear-history-btn:disabled{opacity:.5;cursor:not-allowed}.sys-drawer{border-bottom:1px solid var(--line);background:#f8fafc;padding:10px 18px 12px;display:flex;flex-direction:column;gap:6px}.sys-drawer-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.sys-textarea{width:100%;font-size:12px;font-family:ui-monospace,SF Mono,Menlo,monospace;border:1px solid var(--line);border-radius:7px;padding:8px 10px;resize:vertical;background:var(--panel);color:var(--foreground);outline:none;line-height:1.5;transition:border-color .12s}.sys-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,118,110,.12)}.generation-settings{display:grid;grid-template-columns:minmax(0,1fr) 150px;grid-gap:10px;gap:10px;align-items:end}.generation-control{display:grid;grid-gap:5px;gap:5px;color:#4b5563;font-size:12px}.generation-control span{font-weight:600}.generation-control strong{color:var(--primary-strong);font-size:12px}.generation-control input[type=range]{width:100%;accent-color:var(--primary)}.generation-control input[type=number]{width:100%;border:1px solid var(--line);border-radius:6px;padding:5px 7px;background:var(--panel);color:var(--foreground);outline:none}.generation-control input[type=number]:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,118,110,.12)}.messages{gap:14px;overflow-y:auto;padding:18px 18px 6px;scroll-behavior:smooth}.message,.messages{display:flex;flex-direction:column}.message{gap:5px;max-width:min(76%,680px)}.message.assistant{align-self:flex-start}.message.user{align-self:flex-end}.message-role{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:0 2px}.message.user .message-role{text-align:right}.bubble{padding:11px 14px;border-radius:10px;line-height:1.6;border:1px solid transparent;overflow-wrap:anywhere}.bubble p{margin:0 0 10px}.message.assistant .bubble{background:var(--assistant);border-color:#dde4ee}.message.user .bubble{background:var(--user);border-color:#bfe8dc;white-space:pre-wrap}.message.assistant .bubble>:first-child{margin-top:0}.message.assistant .bubble>:last-child{margin-bottom:0}.bubble ol,.bubble ul{margin:8px 0 10px 20px;padding:0}.bubble li{margin:4px 0}.bubble code{padding:1px 5px;border:1px solid #d6dee8;border-radius:5px;background:#f8fafc;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.92em}.bubble pre{margin:0;padding:10px 12px;overflow-x:auto;border:0;border-top:1px solid #d6dee8;border-radius:0 0 8px 8px;background:#f8fafc}.bubble pre code{padding:0;border:0;background:transparent;white-space:pre}.code-block{margin:10px 0;overflow:hidden;border:1px solid #d6dee8;border-radius:8px;background:#f8fafc}.code-block-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 8px 6px 10px;color:#64748b;font-size:11px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;background:#eef2f7}.code-copy-btn{border:1px solid #cbd5e1;border-radius:5px;padding:2px 7px;background:#ffffff;color:#475569;font:inherit;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.code-copy-btn:hover{border-color:#94a3b8;background:#f8fafc;color:#1f2937}.bubble a{color:var(--primary-strong);text-decoration:underline;text-underline-offset:2px}.bubble blockquote{margin:8px 0 10px;padding-left:10px;border-left:3px solid #cbd5e1;color:#475569}.bubble-actions{display:flex;gap:5px}.message.user .bubble-actions{justify-content:flex-end}.action-btn{font-size:11px;font-weight:500;padding:3px 9px;border-radius:5px;border:1px solid var(--line);background:var(--panel);color:#64748b;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.action-btn:hover:not(:disabled){background:#eef2f7;border-color:#b0bece;color:#334155}.action-btn:disabled{opacity:.45;cursor:not-allowed}.message-meta{margin:0;font-size:11px;color:#9ca3af;padding:0 2px}.typing-indicator{display:flex;align-items:center;gap:5px;min-height:22px}.thinking-state{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.thinking-state p{margin:0}.typing-indicator span{width:7px;height:7px;border-radius:999px;background:var(--primary);animation:typing-pulse 1s ease-in-out infinite}.typing-indicator span:nth-child(2){animation-delay:.15s}.typing-indicator span:nth-child(3){animation-delay:.3s}@keyframes typing-pulse{0%,80%,to{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}.composer{display:flex;flex-direction:column;gap:8px;padding:14px 18px;border-top:1px solid var(--line)}.composer-input-row{display:flex;align-items:flex-end;gap:10px}.composer textarea{flex:1 1;min-height:68px;max-height:180px;resize:vertical;border:1px solid var(--line);border-radius:9px;padding:10px 13px;outline:none;line-height:1.55;transition:border-color .12s,box-shadow .12s;background:var(--panel);color:var(--foreground)}.composer textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,118,110,.12)}.composer textarea:disabled{opacity:.6;cursor:not-allowed}.send-btn,.stop-btn{width:42px;height:42px;flex-shrink:0;border:none;border-radius:9px;color:white;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .12s,transform .1s}.send-btn{background:var(--primary)}.send-btn:hover:not(:disabled){background:var(--primary-strong)}.stop-btn{background:#be123c}.stop-btn:hover{background:#9f1239}.send-btn:active:not(:disabled),.stop-btn:active{transform:scale(.96)}.send-btn:disabled{opacity:.45;cursor:not-allowed}.composer-footer{display:flex;align-items:center;justify-content:space-between}.char-count,.composer-hint{font-size:11px;color:#9ca3af}@media (max-width:640px){.shell{padding:0}.app-layout{width:100%;min-height:100dvh;height:100dvh;grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);border:0;border-radius:0}.conversation-sidebar{gap:8px;padding:10px 12px;border-right:0;border-bottom:1px solid var(--line)}.conversation-list{flex-direction:row;overflow-x:auto;overflow-y:hidden;padding-bottom:1px}.conversation-item{width:auto;min-width:132px;max-width:220px}.chat-panel{border:0;border-radius:0;grid-template-rows:auto auto auto 1fr auto}.message{max-width:92%}.toolbar-row{flex-wrap:wrap;gap:6px}.generation-settings{grid-template-columns:1fr}.sys-prompt-btn{margin-left:0}.composer-input-row{gap:8px}}@media (prefers-reduced-motion:reduce){.pulse-dot,.typing-indicator span{animation:none;opacity:1}}