:root{--bg: #0f1117;--surface: #171a21;--surface-2: #1e222b;--border: #2a2f3a;--text: #e6e8ec;--muted: #9aa2b1;--accent: #4f8cff;--accent-2: #8b5cf6;--up: #24c07a;--down: #f2555a;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-size:15px;line-height:1.45;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.hub{max-width:680px;margin:0 auto;padding:28px 20px 40px;min-height:100dvh;display:flex;flex-direction:column}.head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:26px}.brand{display:flex;align-items:center;gap:12px}.brand img{border-radius:9px}.brand h1{margin:0;font-size:21px;font-weight:650;letter-spacing:.01em}.btn{background:var(--accent);color:#fff;border:none;border-radius:11px;padding:10px 18px;font-size:15px;font-weight:600;display:inline-block}.btn:active{transform:scale(.98)}.btn.ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.usermenu{position:relative}.badge{display:flex;align-items:center;gap:9px;background:none;border:1px solid transparent;border-radius:999px;padding:4px 10px 4px 4px;color:inherit;font-size:15px}.badge:hover{background:var(--surface);border-color:var(--border)}.avatar{width:34px;height:34px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}.badge-name{font-weight:600;max-width:34vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chev{color:var(--muted);font-size:11px;transition:transform .15s}.chev.up{transform:rotate(180deg)}.menu{position:absolute;right:0;top:calc(100% + 8px);z-index:20;min-width:210px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:6px;box-shadow:0 14px 34px #00000073}.menu-head{padding:10px 12px 12px;border-bottom:1px solid var(--border);margin-bottom:6px}.menu-name{font-weight:650}.small{font-size:12.5px}.menu-item{width:100%;text-align:left;background:none;border:none;color:var(--text);padding:11px 12px;border-radius:9px;font-size:15px}.menu-item:hover{background:var(--surface-2)}.menu-item.danger{color:var(--down)}.menu-item:disabled{opacity:.6}.tiles{display:grid;grid-template-columns:1fr;gap:12px}@media(min-width:560px){.tiles{grid-template-columns:1fr 1fr}}.tile{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px 16px;transition:transform .12s,border-color .12s}.tile:hover{border-color:var(--accent)}.tile:active{transform:scale(.98)}.tile.down{opacity:.6}.tile.skeleton{opacity:.4;pointer-events:none}.tile-icon{width:34px;height:34px;border-radius:9px;flex:none;object-fit:contain;background:var(--surface-2)}.tile.skeleton .tile-icon{display:block}.tile-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.tile-name{font-size:16px;font-weight:650}.tile-name .ext{color:var(--muted);font-size:12px;margin-left:5px}.tile-desc{color:var(--muted);font-size:13px}.dot{width:10px;height:10px;border-radius:50%;flex:none}.dot.up{background:var(--up);box-shadow:0 0 8px color-mix(in srgb,var(--up) 60%,transparent)}.dot.down{background:var(--down)}.splash{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;color:var(--muted)}.login-card{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;max-width:320px;width:100%;color:var(--text)}.login-card img{border-radius:18px}.login-card h1{margin:10px 0 0;font-size:26px;letter-spacing:-.4px}.login-card .btn{margin-top:18px}.btn.block{display:block;width:100%;text-align:center}.install{margin-top:auto;padding-top:30px;text-align:center}.ios-hint{color:var(--muted);font-size:13.5px;margin-top:12px}.share-ico{display:inline-block;transform:translateY(-1px)}.ask-entry{display:flex;align-items:center;gap:14px;width:100%;margin-bottom:14px;padding:16px;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 16%,var(--surface)),var(--surface));border:1px solid color-mix(in srgb,var(--accent) 40%,var(--border));border-radius:16px;color:inherit;text-align:left}.ask-entry:hover{border-color:var(--accent)}.ask-entry:active{transform:scale(.99)}.ask-icon{font-size:26px;line-height:1}.ask-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.ask-title{font-weight:650;font-size:16px}.ask-sub{color:var(--muted);font-size:13px}.ask-arrow{color:var(--muted)}.ask-view{height:100dvh;display:flex;flex-direction:column;padding-bottom:12px}.ask-back{background:none;border:1px solid var(--border);border-radius:999px;padding:7px 14px;color:inherit;font-size:14px}.ask-back:hover{background:var(--surface)}.chat{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:8px 0 16px}.bubble{max-width:88%;padding:12px 14px;border-radius:14px;white-space:pre-wrap;line-height:1.5;font-size:15px;word-break:break-word}.bubble.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:5px}.bubble.assistant{align-self:flex-start;background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:5px}.bubble.thinking{color:var(--muted);font-style:italic}.chat-error{color:var(--down);font-size:14px}.chat-empty{margin:auto 0;text-align:center;color:var(--muted);display:flex;flex-direction:column;gap:12px;align-items:center}.chat-empty-icon{font-size:40px}.chat-empty p{margin:0;max-width:420px}.chat-samples{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.chat-samples button{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:999px;padding:8px 14px;font-size:13.5px}.chat-samples button:hover{border-color:var(--accent)}.chat-input{display:flex;gap:8px;align-items:flex-end;padding-top:8px;border-top:1px solid var(--border)}.chat-input textarea{flex:1;resize:none;max-height:140px;font:inherit;font-size:16px;background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:12px;padding:11px 13px;outline:none}.chat-input textarea:focus{border-color:var(--accent)}.cite{color:var(--accent);text-decoration:none;border-bottom:1px dashed color-mix(in srgb,var(--accent) 55%,transparent);padding:0 1px}.cite:hover{border-bottom-style:solid}.caret{display:inline-block;width:7px;height:1em;margin-left:2px;background:var(--accent);vertical-align:text-bottom;animation:blink 1s steps(2) infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}