:root{--text:#0b1220;--text-muted:#525866;--accent:#d64545;--accent-tint:#d6454514;--line:#e8eaee;--bg:#f4f5f7;--surface:#f4f5f7;--radius:10px;--shadow:0 1px 2px #1018280a, 0 8px 24px -8px #1018281a;--shadow-lift:0 2px 4px #1018280f, 0 16px 32px -12px #10182829;--font-sans:"Inter", -apple-system, sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, monospace}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);margin:0;font-size:15px;line-height:1.6}.header{background:var(--bg);box-shadow:var(--shadow)}.header__inner{justify-content:space-between;align-items:center;max-width:1120px;height:4rem;margin:0 auto;padding:0 1.5rem;display:flex}.logo{text-transform:uppercase;letter-spacing:-.02em;color:var(--text);font-weight:800;text-decoration:none}.logo span{color:var(--accent)}.header__nav{align-items:center;gap:1rem;display:flex}.nav-link{color:var(--text-muted);font-size:.875rem;text-decoration:none}.nav-link:hover{color:var(--text)}.wrap{max-width:1120px;margin:0 auto;padding:3rem 1.5rem 6rem}.signin-wrap{justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 .5rem;font-size:.72rem}h1{letter-spacing:-.02em;margin:0 0 .75rem;font-size:2rem}h3{margin:2.5rem 0 .5rem;font-size:1.05rem}.lead{color:var(--text-muted);max-width:60ch;margin:0 0 1.5rem}.note{color:var(--text-muted);max-width:62ch;font-size:.85rem}.note--error{color:var(--accent);background:var(--accent-tint);border-left:2px solid var(--accent);padding:.75rem 1rem}.table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.9rem}.table th,.table td{text-align:left;border-bottom:1px solid #1018280f;padding:.6rem .75rem}.table th{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-size:.72rem;font-weight:600}.table td:last-child{font-family:var(--font-mono);font-size:.8rem}.form{flex-direction:column;gap:1.25rem;max-width:46rem;display:flex}.form label{flex-direction:column;gap:.35rem;font-size:.85rem;display:flex}.form label.row{flex-direction:row;align-items:center;gap:.5rem}.form .row{flex-wrap:wrap;gap:.5rem;display:flex}.form .row input{flex:8rem}input,textarea,select{font:inherit;border-radius:var(--radius);background:var(--surface);color:var(--text);box-shadow:var(--shadow);border:none;outline:none;padding:.6rem .8rem}input:focus,textarea:focus,select:focus{box-shadow:var(--shadow-lift)}textarea{resize:vertical;font-size:.9rem}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent-tint);border-color:var(--accent)}.button{background:linear-gradient(180deg, #232c3d 0%, var(--text) 100%);color:#fff;border-radius:var(--radius);font:inherit;letter-spacing:.01em;cursor:pointer;white-space:nowrap;transition:transform .14s var(--ease,ease), box-shadow .14s var(--ease,ease), filter .14s var(--ease,ease);border:none;justify-content:center;align-items:center;gap:.4rem;padding:.68rem 1.35rem;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex;box-shadow:0 1px 2px #10182829,0 8px 20px -8px #10182873}.button:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 2px 4px #1018282e,0 14px 28px -10px #10182880}.button:active:not(:disabled){transform:translateY(0);box-shadow:0 1px 2px #10182833,inset 0 2px 6px #00000040}.button:focus-visible{box-shadow:0 0 0 3px var(--accent-tint), 0 0 0 1.5px var(--accent), 0 8px 20px -8px #10182873;outline:none}.button:disabled{color:#8b919c;cursor:not-allowed;box-shadow:none;background:#d9dce2;transform:none}.button--send{background:linear-gradient(180deg, #e2585a 0%, var(--accent) 100%);box-shadow:0 1px 2px #d645453d,0 8px 20px -8px #d645458c}.button--send:hover:not(:disabled){box-shadow:0 2px 4px #d6454547,0 14px 28px -10px #d6454599}.button--send:disabled{box-shadow:none;background:#d9dce2}a{color:var(--accent)}.panel,.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:none;margin:1.5rem 0;padding:1.5rem 1.75rem}.kicker{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 .75rem;font-size:.72rem}.balance{font-family:var(--font-mono);letter-spacing:-.02em;margin:0 0 .5rem;font-size:2rem;font-weight:600}.packs{flex-wrap:wrap;gap:.75rem;margin:.5rem 0 1rem;display:flex}.pack{background:var(--surface);border-radius:var(--radius);min-width:10rem;box-shadow:var(--shadow);cursor:pointer;font:inherit;text-align:left;border:none;flex-direction:column;align-items:flex-start;gap:.15rem;padding:.9rem 1.1rem;transition:box-shadow .16s,transform .16s;display:flex}.pack:hover:not(:disabled){box-shadow:var(--shadow-lift);transform:translateY(-1px)}.pack:disabled{opacity:.5;cursor:not-allowed}.pack__label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-size:.72rem}.pack__usd{font-family:var(--font-mono);font-size:1.35rem;font-weight:600}.pack__runs{color:var(--text-muted);font-size:.8rem}.pack__busy{color:var(--accent);font-size:.75rem}.dim{color:var(--text-muted)}.num{font-family:var(--font-mono);text-align:right;white-space:nowrap}.num--debit{color:var(--accent)}.num--credit{color:#1f7a4d}.back{margin-top:2rem}.opening{max-width:44rem}.opening textarea{width:100%;margin:1.5rem 0 1rem}.opening .button{margin-bottom:1rem}.builder{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:start;gap:1.5rem;display:grid}@media (width<=900px){.builder{grid-template-columns:1fr}}.builder__chat{flex-direction:column;min-height:68vh;display:flex}.feed{flex-direction:column;flex:1;gap:.9rem;max-height:58vh;padding-right:.25rem;display:flex;overflow-y:auto}.msg{border-radius:var(--radius);white-space:pre-wrap;max-width:92%;padding:.75rem 1rem;font-size:.92rem}.msg--user{background:var(--accent-tint);color:var(--text);align-self:flex-end}.msg--assistant{box-shadow:var(--shadow);align-self:flex-start}.composer{align-items:flex-end;gap:.6rem;margin-top:1rem;display:flex}.composer textarea{resize:none;flex:1}.builder__doc{max-height:78vh;overflow-y:auto}.doc__head{justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:.5rem;display:flex}.doc__title{letter-spacing:-.01em;margin:.15rem 0 0;font-size:1.25rem}.doc__section{margin-top:1.4rem}.doc__num{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 .35rem;font-size:.72rem}.doc__body{margin:0;font-size:.92rem}