:root{--bg:#f4f1e9;--ink:#0b0b0b;--muted:#756f64;--line:rgba(11,11,11,.12);--glow:rgba(11,11,11,.10);--signal:#d97706;--ok:#087f5b}
*{box-sizing:border-box} html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{min-height:100vh;display:grid;place-items:center}.shell{width:min(880px,100%);min-height:100vh;padding:32px 24px 20px;display:grid;grid-template-rows:auto auto 1fr auto auto;gap:22px}
.brand{display:flex;align-items:flex-start;justify-content:space-between;direction:rtl}.eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}h1{margin:5px 0 0;font-size:clamp(28px,5vw,46px);font-weight:760;letter-spacing:-.04em}.ghost{border:1px solid var(--line);background:transparent;border-radius:999px;padding:9px 13px;cursor:pointer}
.core-wrap{display:flex;align-items:center;gap:18px;direction:ltr}.core{width:64px;height:64px;position:relative;display:grid;place-items:center}.seed{width:16px;height:16px;background:var(--ink);border-radius:50%;transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s}.ring{position:absolute;border:1px solid var(--line);border-radius:50%;inset:0;transition:transform .55s,opacity .55s,border-color .55s}.r2{inset:8px}.r3{inset:16px}.core-copy{display:grid;gap:3px;direction:rtl}.core-copy span{font-size:14px;font-weight:700}.core-copy small{color:var(--muted)}
.core[data-phase="recalling"] .r2{animation:breathe 1.2s infinite}.core[data-phase="seeking"] .ring{border-color:rgba(217,119,6,.45);animation:seek 1.05s infinite}.core[data-phase="gap"] .seed{box-shadow:0 0 0 8px rgba(217,119,6,.14)}.core[data-phase="integrated"] .seed{box-shadow:0 0 0 9px rgba(8,127,91,.10);transform:scale(1.12)}.core[data-phase="internal"] .r3{transform:scale(.62);opacity:.35}.core[data-phase="responding"] .seed{transform:scale(.86)}
@keyframes breathe{50%{transform:scale(.78);opacity:.28}}@keyframes seek{50%{transform:scale(1.22);opacity:.18}}
.messages{overflow:auto;display:flex;flex-direction:column;gap:12px;padding:8px 0 30px}.msg{max-width:78%;padding:13px 15px;border-radius:18px;line-height:1.65;white-space:pre-wrap}.msg.user{align-self:flex-start;background:var(--ink);color:white;border-bottom-left-radius:5px}.msg.assistant{align-self:flex-end;background:rgba(255,255,255,.54);border:1px solid var(--line);border-bottom-right-radius:5px}
.composer{display:grid;grid-template-columns:1fr 46px;gap:8px;background:rgba(255,255,255,.56);border:1px solid var(--line);border-radius:24px;padding:7px;box-shadow:0 12px 42px rgba(11,11,11,.055);direction:rtl}.composer textarea{resize:none;max-height:180px;border:0;outline:0;background:transparent;padding:11px 13px;font:inherit;color:var(--ink)}.composer button{border:0;border-radius:50%;background:var(--ink);color:white;font-size:20px;cursor:pointer}footer{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;direction:ltr}
@media(max-width:600px){.shell{padding:22px 16px 14px}.msg{max-width:90%}.core-wrap{gap:12px}.core{width:54px;height:54px}}