:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f4f1ec;color:#17211d}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea{font:inherit}button{border:0;border-radius:8px;background:#0f6f5c;color:#fff;cursor:pointer;font-weight:700;padding:.85rem 1rem}button:hover:not(:disabled){background:#0b5d4d}button:disabled{cursor:not-allowed;opacity:.55}.secondary{background:#fff;color:#17211d;border:1px solid #c9d7d1}.secondary:hover:not(:disabled){background:#edf7f3}.login-shell{align-items:center;display:grid;min-height:100vh;padding:1.5rem}.login-panel{background:#fff;border:1px solid #dedbd2;border-radius:8px;box-shadow:0 18px 60px #1118151f;margin:0 auto;max-width:440px;padding:2rem;width:100%}.eyebrow{color:#0f6f5c;font-size:.78rem;font-weight:800;letter-spacing:0;margin:0 0 .4rem;text-transform:uppercase}h1{font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.05;margin:0}.login-form{display:grid;gap:1rem;margin-top:1.6rem}label{color:#47524d;display:grid;font-size:.9rem;font-weight:700;gap:.4rem}input,textarea{border:1px solid #c9d7d1;border-radius:8px;color:#17211d;outline:none;padding:.85rem .9rem;width:100%}input:focus,textarea:focus{border-color:#0f6f5c;box-shadow:0 0 0 3px #0f6f5c29}.chat-shell{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100vh;margin:0 auto;max-width:1120px;padding:1rem}.chat-header{align-items:center;border-bottom:1px solid #d8d5cc;display:flex;gap:1rem;justify-content:space-between;padding:.5rem 0 1rem}.header-actions{align-items:center;display:flex;flex-wrap:wrap;gap:.6rem;justify-content:flex-end}.user-chip{background:#202a26;border-radius:999px;color:#fff;font-size:.9rem;font-weight:800;max-width:14rem;overflow:hidden;padding:.65rem .85rem;text-overflow:ellipsis;white-space:nowrap}.messages{display:grid;gap:.85rem;overflow-y:auto;padding:1rem 0}.message{background:#fff;border:1px solid #dedbd2;border-radius:8px;padding:.9rem 1rem}.message-meta{align-items:baseline;display:flex;gap:.75rem;justify-content:space-between}.message-meta strong{overflow-wrap:anywhere}.message-meta time{color:#66736d;flex:0 0 auto;font-size:.82rem}.message p{line-height:1.5;margin:.45rem 0 0;overflow-wrap:anywhere;white-space:pre-wrap}.empty-state{align-self:center;color:#66736d;justify-self:center}.composer{border-top:1px solid #d8d5cc;padding-top:1rem}.composer-row{display:grid;gap:.75rem;grid-template-columns:minmax(0,1fr) auto}textarea{min-height:3.5rem;resize:vertical}.error{background:#fff0ec;border:1px solid #efb8a8;border-radius:8px;color:#91351c;margin:0;padding:.75rem .9rem}.dialog-backdrop{align-items:center;background:#17211d73;display:grid;top:0;right:0;bottom:0;left:0;padding:1rem;position:fixed;z-index:10}.dialog{background:#fff;border:1px solid #dedbd2;border-radius:8px;box-shadow:0 18px 60px #11181538;justify-self:center;max-width:420px;padding:1.25rem;width:min(100%,420px)}.dialog h2{font-size:1.25rem;margin:0 0 1rem}.reset-form{display:grid;gap:1rem}.dialog-actions{display:flex;gap:.75rem;justify-content:flex-end}@media(max-width:700px){.chat-shell{padding:.75rem}.chat-header,.composer-row{align-items:stretch;grid-template-columns:1fr}.chat-header{display:grid}.header-actions{justify-content:stretch}.header-actions>*{flex:1 1 auto}.user-chip{max-width:none;text-align:center}.dialog-actions{display:grid}}