:root{--navy:#0B2545;--blue:#1D63ED;--bg:#fff;--soft:#F3F6FB;--line:#DCE3EE;--muted:#5B6B82}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--navy);background:var(--bg);line-height:1.5}
a{color:var(--blue)}header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line)}
.logo{font-weight:800;font-size:20px;color:var(--navy);text-decoration:none}.logo span{color:var(--blue)}
.wrap{max-width:1100px;margin:0 auto;padding:24px}.narrow{max-width:560px}
h1{font-size:clamp(28px,5vw,44px);line-height:1.1;margin:24px 0 12px}h2{margin:0 0 8px}
p.lead{font-size:18px;color:var(--muted)}label{display:block;font-weight:600;margin:16px 0 6px}
input,select,textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit;color:var(--navy);background:#fff}
textarea{min-height:110px;resize:vertical}
.btn{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:10px;padding:14px 22px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none}
.btn.ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}.btn.navy{background:var(--navy)}
.btn:disabled{opacity:.6;cursor:wait}.row{display:flex;gap:10px;flex-wrap:wrap}
.card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:20px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media(max-width:820px){.split{grid-template-columns:1fr}}
.notes{white-space:pre-wrap;font-family:ui-monospace,Menlo,monospace;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px}
.timer{position:sticky;top:0;z-index:5;background:var(--navy);color:#fff;padding:10px 24px;display:flex;justify-content:space-between;font-weight:700}
.timer.over{background:#B3261E}.small{font-size:13px;color:var(--muted)}
.prompt{display:flex;gap:8px;margin-bottom:8px}.prompt textarea{min-height:60px}
.x{background:none;border:1px solid var(--line);border-radius:8px;cursor:pointer;color:var(--muted)}
.share{background:var(--navy);color:#fff;border-radius:18px;padding:28px;max-width:520px}
.share .lvl{font-size:56px;font-weight:800;line-height:1}.share .tag{color:#9DB8FF;font-weight:700}
.bar{height:8px;background:var(--line);border-radius:6px;overflow:hidden}.bar i{display:block;height:100%;background:var(--blue)}
.err{color:#B3261E;font-weight:600}
.chat{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.bub{max-width:85%;padding:10px 14px;border-radius:16px;background:var(--soft);border:1px solid var(--line);align-self:flex-start;animation:pop .2s ease-out}
.bub.me{align-self:flex-end;background:var(--blue);color:#fff;border-color:var(--blue)}.bub.typing{color:var(--muted);letter-spacing:2px}
.opts{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.opt{background:#fff;color:var(--navy);border:1.5px solid var(--line);border-radius:999px;padding:10px 16px;font:inherit;cursor:pointer;min-height:44px}
.opt:hover{border-color:var(--blue)}.opt.on{background:var(--blue);color:#fff;border-color:var(--blue)}
@keyframes pop{from{opacity:0;transform:translateY(4px)}to{opacity:1}}