:root{--sky-top:#f7f9fc;--sky-bottom:#e6eaf0;--fog:#e6eaf0;--water:#b9cbde;--cloud:#fff;--sea:#c3d3e3;--shallow:#d3e0ec;--plain:#dbe2cd;--forest:#c9d7c0;--hill:#d2d7dd;--snow:#f5f6f8;--building:#fff;--roof:#edf0f3;--tree:#c4d2c1;--road:#bfc9d3;--border:#aeb8c4;--bg:#eef1f5;--surface:#ffffffc7;--surface-solid:#fff;--ink:#171b21;--ink-2:#5b6572;--ink-3:#98a1ad;--line:#171b2114;--line-strong:#171b2129;--accent:#f0a22e;--anchor:#2f6bff;--user-bubble:#171b210f;--shadow:0 24px 60px #171b211a;--font:"Bricolage Grotesque", "Segoe UI", system-ui, -apple-system, sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--sky-top:#151e2c;--sky-bottom:#0e1521;--fog:#0e1521;--water:#0c1524;--cloud:#1e2836;--sea:#080d15;--shallow:#0d1420;--plain:#1a2230;--forest:#151e2b;--hill:#232d3b;--snow:#38434f;--building:#3b4759;--roof:#46536a;--tree:#1b2634;--road:#2c3745;--border:#4a586c;--bg:#0e1420;--surface:#101621c7;--surface-solid:#141c29;--ink:#eef2f7;--ink-2:#a9b3c0;--ink-3:#66717f;--line:#eef2f714;--line-strong:#eef2f729;--accent:#ffb547;--anchor:#5b8dff;--user-bubble:#eef2f714;--shadow:0 24px 60px #00000073}}:root[data-theme=dark]{--sky-top:#151e2c;--sky-bottom:#0e1521;--fog:#0e1521;--water:#0c1524;--cloud:#1e2836;--sea:#080d15;--shallow:#0d1420;--plain:#1a2230;--forest:#151e2b;--hill:#232d3b;--snow:#38434f;--building:#3b4759;--roof:#46536a;--tree:#1b2634;--road:#2c3745;--border:#4a586c;--bg:#0e1420;--surface:#101621c7;--surface-solid:#141c29;--ink:#eef2f7;--ink-2:#a9b3c0;--ink-3:#66717f;--line:#eef2f714;--line-strong:#eef2f729;--accent:#ffb547;--anchor:#5b8dff;--user-bubble:#eef2f714;--shadow:0 24px 60px #00000073}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:linear-gradient(180deg, var(--sky-top) 0%, var(--sky-bottom) 42%, var(--sky-bottom) 100%);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.45;overflow:hidden}button,input{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:2px solid var(--anchor);outline-offset:2px}#scene{position:fixed;inset:0}#scene canvas{width:100%;height:100%;display:block}#labels{pointer-events:none;position:fixed;inset:0;overflow:hidden}.pin{background:var(--surface-solid);color:var(--ink);border:1px solid var(--line-strong);white-space:nowrap;opacity:0;font-variant-numeric:tabular-nums;border-radius:999px;align-items:center;gap:6px;padding:4px 9px 4px 7px;font-size:12px;font-weight:500;transition:opacity .4s;display:flex;position:absolute;transform:translate(-50%,-100%)}.pin.on{opacity:1}.pin i{background:var(--accent);border-radius:50%;flex:none;width:7px;height:7px}.pin.anchor i{background:var(--anchor)}.pin small{color:var(--ink-2);font-weight:400}header{pointer-events:none;z-index:5;justify-content:space-between;align-items:center;padding:18px 22px;display:flex;position:fixed;top:0;left:0;right:0}header>*{pointer-events:auto}.brand{letter-spacing:-.02em;font-size:19px;font-weight:600}.tools{gap:4px;display:flex}.ibtn{width:38px;height:38px;color:var(--ink-2);background:0 0;border:0;border-radius:50%;place-items:center;transition:background .2s,color .2s;display:grid}.ibtn:hover{background:var(--user-bubble);color:var(--ink)}.ibtn svg{width:18px;height:18px}#reset{display:none}body.state-chat #reset{display:grid}#landing{z-index:4;flex-direction:column;align-items:center;gap:12px;width:min(560px,100vw - 32px);transition:opacity .35s,transform .35s;display:flex;position:fixed;bottom:8vh;left:50%;transform:translate(-50%)}#landing h1{color:var(--ink-2);text-align:center;margin:0;font-size:15px;font-weight:500}#landing .chips{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}#hint{color:var(--ink-3);text-align:center;margin:0;font-size:12px}body.state-chat #landing{opacity:0;pointer-events:none;transform:translate(-50%,12px)}.chip{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-2);border-radius:999px;padding:5px 11px;font-size:12.5px;line-height:1.3;transition:color .2s,border-color .2s}.chip:hover{color:var(--ink);border-color:var(--ink-3)}#composer{background:var(--surface-solid);border:1px solid var(--line-strong);width:100%;box-shadow:var(--shadow);border-radius:999px;align-items:center;gap:6px;padding:4px 4px 4px 18px;display:flex}#input{min-width:0;height:40px;color:var(--ink);background:0 0;border:0;flex:1}#input::placeholder{color:var(--ink-3)}#send{background:var(--ink);width:40px;height:40px;color:var(--surface-solid);border:0;border-radius:50%;flex:none;place-items:center;display:grid}#send svg{width:16px;height:16px}#chat{background:var(--surface);border:1px solid var(--line);-webkit-backdrop-filter:blur(20px)saturate(1.2);z-index:4;opacity:0;pointer-events:none;border-radius:22px;flex-direction:column;width:min(380px,100vw - 36px);transition:opacity .4s .15s,transform .4s .15s;display:flex;position:fixed;top:66px;bottom:18px;right:18px;overflow:hidden;transform:translateY(8px)}body.state-chat #chat{opacity:1;pointer-events:auto;transform:none}#chat .head{justify-content:center;align-items:center;padding:10px 0 4px;display:none}#chat .head span{background:var(--line-strong);border-radius:2px;width:36px;height:4px}#log{scroll-behavior:smooth;flex-direction:column;flex:1;gap:14px;padding:18px 18px 8px;display:flex;overflow-y:auto}.msg{max-width:94%}.msg.bot{align-self:flex-start}.msg.user{background:var(--user-bubble);border-radius:14px 14px 4px;align-self:flex-end;padding:8px 12px}.msg.bot p{margin:0 0 6px}.msg.bot p:last-child{margin-bottom:0}.typing{gap:4px;padding:6px 2px;display:inline-flex}.typing i{background:var(--ink-3);border-radius:50%;width:5px;height:5px;animation:1.1s infinite blink}.typing i:nth-child(2){animation-delay:.18s}.typing i:nth-child(3){animation-delay:.36s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}#chat .foot{padding:10px 12px 12px}#chat .foot #composer{box-shadow:none}.note{color:var(--ink-3);text-align:center;padding:8px 12px 0;font-size:11px}.crit{margin:8px 0 2px}.crit dl{grid-template-columns:auto 1fr;gap:6px 14px;margin:0;font-size:14px;display:grid}.crit dt{color:var(--ink-3)}.crit dd{font-variant-numeric:tabular-nums;margin:0;font-weight:500}.hint{color:var(--ink-2);margin-top:10px;font-size:13.5px}.actions{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.btn{border:1px solid var(--line-strong);color:var(--ink-2);background:0 0;border-radius:999px;padding:8px 14px;font-size:13.5px;font-weight:500}.btn.primary{background:var(--ink);border-color:var(--ink);color:var(--surface-solid)}.btn:disabled{opacity:.45;cursor:default}.zones{flex-direction:column;margin-top:4px;display:flex}.zone{border-top:1px solid var(--line);cursor:pointer;grid-template-columns:10px 1fr auto;align-items:baseline;gap:0 10px;padding:10px 0;display:grid}.zone .dot{background:var(--accent);border-radius:50%;width:7px;height:7px;position:relative;top:-1px}.zone b{font-weight:500;display:block}.zone .meta{color:var(--ink-2);font-variant-numeric:tabular-nums;font-size:13px}.zone .gain{font-variant-numeric:tabular-nums;text-align:right;font-size:14px;font-weight:600}.zone .gain small{color:var(--ink-3);font-size:11.5px;font-weight:400;display:block}.zone .why{grid-column:2/4;margin-top:8px;font-size:13.5px;display:none}.zone.open .why{display:block}.zone .why p{margin:3px 0}.zone .why span{color:var(--ink-3)}@media (width<=760px){header{padding:12px}#landing{bottom:max(18px, env(safe-area-inset-bottom));gap:10px}#chat{border-radius:20px 20px 0 0;width:100%;height:52vh;transition:height .3s,opacity .4s .15s,transform .4s .15s;inset:auto 0 0}#chat.collapsed{height:120px}#chat.collapsed #log{display:none}#chat .head{display:flex}#log{padding:8px 16px}}@media (prefers-reduced-motion:reduce){.pin,#landing,#chat{transition:none}}