:root{--ink:#0e1117;--muted:#64748b;--line:#e2e8f0;--soft:#f8fafc;--accent:#e3175b;--accent-hover:#c4124d;--accent-soft:#fdeef3;--ok:#1f7a3d;--radius:10px}*{box-sizing:border-box}body,html{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}a{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--radius);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.55;cursor:default}.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}.btn-ghost:hover{background:var(--soft)}.field{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius);padding:0 14px;font-size:16px;background:#fff}.field:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.muted{color:var(--muted)}.error{color:#b4123f;font-size:14px}.auth{min-height:100%;display:grid;place-items:center;padding:24px 16px;background:var(--soft)}.auth-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px}.auth-card img{height:26px;margin-bottom:22px}.auth-card h1{font-size:22px;margin:0 0 6px}.auth-card p{margin:0 0 18px}.auth-card form{display:grid;grid-gap:12px;gap:12px}.consent{display:flex;gap:10px;font-size:13px;color:var(--muted);align-items:flex-start}.consent input{width:18px;height:18px;margin-top:1px;accent-color:var(--accent);flex:none}.app{height:100dvh;display:grid;grid-template-columns:280px 1fr}.side{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:var(--soft)}.side-top{padding:16px;display:grid;grid-gap:10px;gap:10px}.side-top img{height:22px}.side-list{overflow:auto;padding:4px 8px 16px;flex:1 1}.side-item{display:block;width:100%;text-align:left;border:0;background:transparent;padding:9px 10px;border-radius:8px;font-size:14px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-item:hover{background:#eef1f5}.side-item.active{background:#fff;box-shadow:inset 0 0 0 1px var(--line);font-weight:600}.side-foot{padding:12px 16px;border-top:1px solid var(--line);font-size:13px;display:grid;grid-gap:6px;gap:6px}.side-foot button{border:0;background:none;padding:0;text-align:left;color:var(--muted);cursor:pointer;font-size:13px}.main{flex-direction:column;min-height:0;min-width:0}.main,.top{display:flex}.top{align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--line)}.menu-btn{display:none;border:0;background:none;font-size:22px;cursor:pointer;padding:4px 6px}.model-btn{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:7px 12px;cursor:pointer;text-align:left;min-width:0}.model-btn small{display:block;color:var(--muted);font-size:11px;line-height:1.2}.model-btn b{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.balance{margin-left:auto;font-size:13px;font-weight:600;background:var(--accent-soft);color:var(--accent);padding:6px 11px;border-radius:999px;border:0;cursor:pointer;white-space:nowrap}.thread{flex:1 1;overflow:auto;padding:20px 16px 8px}.thread-inner{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px}.empty-state{max-width:560px;margin:8vh auto 0;text-align:center}.empty-state h2{font-size:24px;margin:0 0 8px}.starters{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;margin-top:18px}.starter{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;cursor:pointer;text-align:left;font-size:14px}.starter:hover{border-color:#cbd5e1}.msg{max-width:100%}.msg.user{align-self:flex-end;background:var(--accent);color:#fff;padding:10px 14px;border-radius:16px 16px 4px 16px;max-width:85%;white-space:pre-wrap;word-break:break-word}.msg.assistant{align-self:stretch}.md{font-size:15.5px;line-height:1.6;word-break:break-word}.md p{margin:0 0 10px}.md pre{background:#0e1117;color:#e6e6e6;padding:12px 14px;border-radius:10px;overflow:auto;font-size:13px}.md code{background:var(--soft);border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:.92em}.md pre code{background:none;border:0;padding:0}.md ol,.md ul{margin:0 0 10px;padding-left:22px}.md h3{font-size:17px;margin:14px 0 6px}.msg-meta{display:flex;gap:14px;margin-top:4px}.msg-meta,.msg-meta button{font-size:12px;color:var(--muted)}.msg-meta button{border:0;background:none;padding:0;cursor:pointer}.msg-meta button:hover{color:var(--ink)}.img-out{max-width:min(480px,100%);border-radius:12px;border:1px solid var(--line);display:block}.typing{color:var(--muted);font-size:14px}.composer{border-top:1px solid var(--line);padding:10px 16px calc(12px + env(safe-area-inset-bottom))}.composer-inner{max-width:760px;margin:0 auto}.cost{font-size:12px;color:var(--muted);margin:0 4px 6px}.cost b{color:var(--ink)}.input-row{display:flex;gap:8px;align-items:flex-end}.input-row textarea{flex:1 1;resize:none;min-height:46px;max-height:200px;border:1px solid var(--line);border-radius:14px;padding:11px 14px;font-size:16px;line-height:1.4}.input-row textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.send{width:46px;height:46px;border-radius:50%;border:0;background:var(--accent);color:#fff;font-size:20px;cursor:pointer;flex:none}.send:disabled{opacity:.5;cursor:default}.disclaimer{text-align:center;font-size:11px;color:var(--muted);margin-top:6px}.scrim{inset:0;background:rgba(14,17,23,.45);z-index:40}.scrim,.sheet{position:fixed}.sheet{z-index:41;left:50%;bottom:0;transform:translateX(-50%);width:min(560px,100%);max-height:88dvh;background:#fff;border-radius:22px 22px 0 0;display:flex;flex-direction:column}@media (min-width:761px){.sheet{bottom:auto;top:50%;transform:translate(-50%,-50%);border-radius:18px}}.sheet-body{overflow:auto;padding:18px 18px 22px}.sheet h2{font-size:18px;margin:0 0 12px}.tasks{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;margin-bottom:14px}.task{border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 4px 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summary{color:var(--muted);padding:8px 0}.all-models summary,.mini{cursor:pointer;font-size:14px}.mini{display:flex;justify-content:space-between;gap:10px;width:100%;border:0;border-bottom:1px solid var(--line);background:none;padding:10px 2px;text-align:left}.mini span:last-child{color:var(--muted);white-space:nowrap}.mini[aria-checked=true]{color:var(--accent);font-weight:600}.modal{position:fixed;z-index:41;left:50%;top:50%;transform:translate(-50%,-50%);width:min(420px,calc(100% - 32px));background:#fff;border-radius:16px;padding:22px;display:grid;grid-gap:12px;gap:12px}.modal h2{margin:0;font-size:19px}.ok{color:var(--ok);font-weight:600}@media (max-width:760px){.app{grid-template-columns:1fr}.side{position:fixed;inset:0 auto 0 0;width:82%;max-width:320px;z-index:30;transform:translateX(-100%);transition:transform .2s}.side.open{transform:none;box-shadow:0 0 0 100vmax rgba(14,17,23,.35)}.menu-btn{display:block}.starters{grid-template-columns:1fr}.tasks{grid-template-columns:repeat(4,1fr)}}.acc{min-height:100dvh;max-width:820px;margin:0 auto;display:flex;flex-direction:column}.acc-top{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}.acc-back{font-size:22px;text-decoration:none;color:var(--ink);padding:2px 8px 2px 0}.acc-title{font-weight:700;font-size:18px}.acc-tabs{display:flex;gap:4px;padding:10px 16px 0;border-bottom:1px solid var(--line)}.acc-tabs button{border:0;background:none;padding:10px 12px;font-size:15px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.acc-tabs button[aria-selected=true]{color:var(--ink);font-weight:600;border-bottom-color:var(--accent)}.acc-body{padding:8px 16px 32px}.acc-note{font-size:13px;margin:10px 0}.acc-empty{text-align:center;padding:48px 0}.acc-list{list-style:none;padding:0;margin:0}.acc-row{display:flex;gap:12px;align-items:center;padding:12px 4px;border-bottom:1px solid var(--line);color:inherit;text-decoration:none}a.acc-row:hover{background:var(--soft)}.acc-row-main{flex:1 1;min-width:0}.acc-row-title{font-weight:600;font-size:15px}.acc-row-sub{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.acc-delta{font-weight:700;white-space:nowrap}.acc-delta.plus{color:var(--ok)}.acc-badge{margin-left:8px;font-size:11px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:2px 8px;vertical-align:middle}.acc-small{height:36px;padding:0 12px;font-size:13px}.acc-more{width:100%;margin-top:14px}.acc-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;margin-top:12px}.acc-tile{border:1px solid var(--line);border-radius:10px;padding:0;overflow:hidden;aspect-ratio:1;background:var(--soft);cursor:pointer}.acc-tile img{width:100%;height:100%;object-fit:cover;display:block}.acc-viewer{width:min(560px,calc(100% - 24px));max-height:92dvh;overflow:auto}.acc-viewer img{width:100%;border-radius:10px;display:block}@media (max-width:600px){.acc-grid{grid-template-columns:repeat(2,1fr)}}.picker-first{margin-top:3vh;text-align:left;max-width:640px}.picker-first h2,.picker-first>p{text-align:center}.inline-picker{padding:8px 0 0;overflow:visible}.linklike{border:0;background:none;padding:0;color:var(--accent);cursor:pointer;font-size:inherit;text-decoration:underline}.composer-box{position:relative;border:1.5px solid #cbd5e1;border-radius:18px;background:#fff;transition:border-color .15s,box-shadow .15s}.composer-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.composer-box textarea{display:block;width:100%;min-height:96px;max-height:240px;resize:none;border:0;outline:none;background:transparent;padding:14px 64px 14px 16px;font-size:16px;line-height:1.45}.composer-box .send{position:absolute;right:10px;bottom:10px}.msg-attach{display:block;max-width:180px;border-radius:10px;margin-bottom:6px}.msg-meta a{color:var(--muted);font-size:12px;text-decoration:none}.msg-meta a:hover{color:var(--ink)}.attach-chip{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--soft);border-radius:12px;padding:6px 8px;margin-bottom:8px;font-size:13px;color:var(--muted)}.attach-chip img{width:44px;height:44px;object-fit:cover;border-radius:8px}.attach-chip span{flex:1 1}.attach-chip button{border:0;background:none;font-size:20px;cursor:pointer;color:var(--muted);padding:0 6px}.attach-btn{position:absolute;left:10px;bottom:10px;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:18px;cursor:pointer}.composer-box:has(.attach-btn) textarea{padding-bottom:58px}.all-models{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}.all-head{display:flex;align-items:center;gap:10px;margin-bottom:4px;flex-wrap:wrap}.all-head b{font-size:14px}.model-search{flex:1 1;min-width:180px;height:40px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:16px}.model-search:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.buy-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:10px;gap:10px;margin:14px 0}.buy-card{display:flex;flex-direction:column;gap:4px;text-align:left;border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px;cursor:pointer}.buy-card.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.buy-name,.buy-price{font-weight:700}.buy-price{font-size:22px}.buy-neurons{color:var(--accent);font-weight:600;font-size:14px}.buy-hint{color:var(--muted);font-size:12px}.buy-summary{border-top:1px solid var(--line);padding-top:14px;display:grid;grid-gap:8px;gap:8px}.buy-total{font-size:20px;font-weight:700}.buy-terms{margin:0;padding-left:18px;font-size:14px;display:grid;grid-gap:4px;gap:4px}.buy-pay{width:100%;height:50px}