html,body{height:100%;overflow:hidden}.chat-layout{display:flex;height:100dvh;overflow:hidden}.sidebar{width:268px;flex-shrink:0;display:flex;flex-direction:column;background:var(--bg-card);border-right:1px solid var(--border);overflow-y:auto;overflow-x:hidden;transition:transform .25s ease;z-index:10}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 12px;border-bottom:1px solid var(--border);gap:10px}.sidebar-logo{display:flex;align-items:center;gap:9px;font-family:Inter Tight,sans-serif;font-weight:700;font-size:.98rem;text-decoration:none}.sidebar-logo svg{width:26px;height:26px}.sidebar-new-btn{padding:6px 8px;border-radius:var(--radius-sm);background:transparent;border:1px solid var(--border-2);color:var(--text-2);font-size:.82rem;font-weight:500;display:flex;align-items:center;gap:5px;white-space:nowrap;transition:all .15s}.sidebar-new-btn:hover{background:var(--bg-card-2);color:var(--text)}.sidebar-body{flex:1;display:flex;flex-direction:column;padding:16px;gap:20px;overflow-y:auto}.sidebar-section-label{font-size:.72rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--text-3);margin-bottom:8px}.model-select-wrap{position:relative}.model-select{width:100%;padding:9px 32px 9px 12px;background:var(--bg-card-2);border:1px solid var(--border-2);border-radius:var(--radius-sm);color:var(--text);font-family:inherit;font-size:.88rem;cursor:pointer;appearance:none;-webkit-appearance:none}.model-select:focus{outline:1px solid var(--blue)}.model-select-arrow{position:absolute;right:10px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--text-3);font-size:.7rem}.model-info-card{background:var(--bg-card-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;display:flex;flex-direction:column;gap:8px}.model-info-row{display:flex;align-items:center;justify-content:space-between}.model-info-key{font-size:.78rem;color:var(--text-3)}.model-info-val{font-size:.78rem;color:var(--text-2);font-weight:500}.settings-form{display:flex;flex-direction:column;gap:14px}.setting-row{display:flex;flex-direction:column;gap:5px}.setting-label{display:flex;align-items:center;justify-content:space-between;font-size:.82rem;color:var(--text-2)}.setting-val{font-size:.8rem;color:var(--text);font-weight:500}input[type=range]{width:100%;accent-color:var(--blue);cursor:pointer}input[type=checkbox]{width:15px;height:15px;accent-color:var(--orange);cursor:pointer}.setting-toggle{display:flex;align-items:center;justify-content:space-between}.token-usage-wrap{display:flex;flex-direction:column;gap:6px}.token-usage-labels{display:flex;justify-content:space-between;font-size:.78rem;color:var(--text-3)}.token-bar{height:4px;background:var(--bg-card-2);border-radius:2px;overflow:hidden}.token-bar-fill{height:100%;background:var(--blue);border-radius:2px;transition:width .4s ease}.token-bar-fill.warn{background:var(--orange)}.token-last-run{font-size:.77rem;color:var(--text-3)}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:8px}.sidebar-footer a{font-size:.82rem;color:var(--text-3);transition:color .15s}.sidebar-footer a:hover{color:var(--text-2)}.chat-main{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden;background:var(--bg)}.chat-topbar{display:flex;align-items:center;gap:12px;padding:0 20px;height:var(--nav-h);border-bottom:1px solid var(--border);flex-shrink:0}.chat-topbar-toggle{display:none;padding:6px;color:var(--text-2);border-radius:var(--radius-sm)}.chat-topbar-model{font-size:.88rem;font-weight:500;color:var(--text-2);display:flex;align-items:center;gap:6px}.model-status-dot{width:7px;height:7px;border-radius:50%;background:#22c55e}.model-status-dot.loading{background:var(--orange);animation:pulse 1.2s ease-in-out infinite}.chat-topbar-right{margin-left:auto}.messages-wrap{flex:1;overflow-y:auto;padding:32px 0}.messages-inner{max-width:740px;margin:0 auto;padding:0 24px;display:flex;flex-direction:column;gap:24px}.welcome-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;text-align:center;gap:16px;color:var(--text-2)}.welcome-icon{font-size:3rem;opacity:.3}.welcome-title{font-size:1.4rem;font-weight:600;color:var(--text);font-family:Inter Tight,sans-serif}.welcome-sub{font-size:.95rem;color:var(--text-2);max-width:380px}.suggestions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:8px}.suggestion-btn{padding:8px 16px;border:1px solid var(--border-2);border-radius:var(--radius-full);background:var(--bg-card);font-size:.85rem;color:var(--text-2);cursor:pointer;transition:all .15s;font-family:inherit}.suggestion-btn:hover{background:var(--bg-card-2);color:var(--text);border-color:var(--border-2)}.msg{display:flex;flex-direction:column;gap:4px;animation:fadeUp .2s ease both}.msg-user{align-items:flex-end}.msg-bubble{max-width:80%;padding:12px 16px;border-radius:16px;font-size:.95rem;line-height:1.65;word-break:break-word}.msg-user .msg-bubble{background:var(--bg-card-2);border:1px solid var(--border-2);border-bottom-right-radius:4px;color:var(--text)}.msg-assistant .msg-bubble{background:transparent;border-bottom-left-radius:4px;color:var(--text)}.msg-bubble h1,.msg-bubble h2,.msg-bubble h3{font-size:1rem;font-weight:600;margin:12px 0 6px}.msg-bubble p{margin:4px 0}.msg-bubble code{font-family:IBM Plex Mono,monospace;font-size:.85em;background:var(--bg-card-2);padding:1px 5px;border-radius:4px}.msg-bubble pre{background:#0a0c12;border:1px solid var(--border);border-radius:8px;padding:12px;overflow-x:auto;margin:8px 0}.msg-bubble pre code{background:transparent;padding:0}.msg-bubble ul,.msg-bubble ol{padding-left:1.4em;margin:6px 0}.msg-bubble li{margin:3px 0}.msg-actions{display:flex;gap:4px;padding:0 4px;opacity:0;transition:opacity .15s}.msg:hover .msg-actions{opacity:1}.msg-action-btn{padding:4px 8px;border-radius:6px;font-size:.75rem;color:var(--text-3);background:transparent;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:all .15s}.msg-action-btn:hover{background:var(--bg-card);border-color:var(--border);color:var(--text-2)}.thinking{display:flex;align-items:center;gap:6px;padding:4px 0;color:var(--text-3);font-size:.88rem}.thinking-dots{display:flex;gap:4px}.thinking-dot{width:6px;height:6px;border-radius:50%;background:var(--text-3);animation:pulse 1s ease-in-out infinite}.thinking-dot:nth-child(2){animation-delay:.15s}.thinking-dot:nth-child(3){animation-delay:.3s}.msg-error{padding:10px 16px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:10px;font-size:.9rem;color:#fca5a5;max-width:80%}.composer-wrap{padding:12px 24px 20px;flex-shrink:0;border-top:1px solid var(--border);background:var(--bg)}.composer-inner{max-width:740px;margin:0 auto;position:relative}.composer-form{display:flex;align-items:flex-end;gap:10px;background:var(--bg-card);border:1px solid var(--border-2);border-radius:18px;padding:10px 12px;transition:border-color .2s}.composer-form:focus-within{border-color:#3b82f666}.composer-textarea{flex:1;background:transparent;border:none;resize:none;font-family:inherit;font-size:.95rem;color:var(--text);line-height:1.55;max-height:200px;overflow-y:auto;padding:2px 4px;min-height:40px}.composer-textarea::placeholder{color:var(--text-3)}.composer-textarea:focus{outline:none}.composer-send-btn{width:36px;height:36px;border-radius:10px;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;border:none;transition:background .15s,transform .15s;align-self:flex-end}.composer-send-btn:hover{background:var(--orange-dark)}.composer-send-btn:disabled{opacity:.4;cursor:not-allowed}.composer-send-btn svg{width:16px;height:16px}.composer-stop-btn{width:36px;height:36px;border-radius:10px;background:var(--bg-card-2);color:var(--text);display:flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;border:1px solid var(--border-2);transition:background .15s;align-self:flex-end}.composer-stop-btn:hover{background:#ef444426;border-color:#ef444466}.composer-stop-btn svg{width:12px;height:12px;fill:currentColor}.composer-hint{text-align:center;font-size:.75rem;color:var(--text-3);margin-top:10px}.boot-gate{position:fixed;inset:0;z-index:200;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center;gap:16px}.boot-logo{display:flex;align-items:center;gap:10px;font-family:Inter Tight,sans-serif;font-weight:700;font-size:1.3rem;margin-bottom:8px}.boot-logo svg{width:36px;height:36px}.boot-title{font-size:1.4rem;font-weight:600;font-family:Inter Tight,sans-serif}.boot-sub{font-size:.95rem;color:var(--text-2);max-width:380px}.boot-progress-wrap{width:100%;max-width:360px;display:flex;flex-direction:column;gap:8px}.boot-progress-labels{display:flex;justify-content:space-between;font-size:.8rem;color:var(--text-3)}.boot-progress-bar{height:6px;background:var(--bg-card-2);border-radius:3px;overflow:hidden}.boot-progress-fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--orange));border-radius:3px;transition:width .35s ease}.boot-progress-hint{font-size:.78rem;color:var(--text-3)}.boot-error{padding:12px 20px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:10px;color:#fca5a5;font-size:.9rem;max-width:380px}.boot-retry-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;background:var(--orange);color:#fff;border:none;border-radius:var(--radius-full);font-size:.9rem;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s}.boot-retry-btn:hover{background:var(--orange-dark)}.boot-unsupported{display:flex;flex-direction:column;align-items:center;gap:12px}.boot-unsupported-icon{font-size:3rem;opacity:.6}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;bottom:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:9}.sidebar-overlay.visible{display:block}.chat-topbar-toggle{display:flex}.messages-inner{padding:0 16px}.composer-wrap{padding:10px 16px 16px}}