:root{--bg:#f3f1eb;--panel:#fffdf8;--ink:#1c2430;--muted:#5f6b7a;--line:#d9d2c5;--accent:#0f766e;--accent-ink:#ecfdf8;--warn:#b45309;--danger:#b91c1c;--shadow:0 18px 50px rgba(28,36,48,.08);--font:"Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif;--sans:"Avenir Next","Segoe UI",sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}body{color:var(--ink);background:radial-gradient(circle at top left,rgba(15,118,110,.12),transparent 28%),linear-gradient(180deg,#f7f4ee 0,var(--bg) 45%,#ebe6db 100%);font-family:var(--sans)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:999px;background:var(--accent);color:var(--accent-ink);padding:.7rem 1.1rem}button.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}button:disabled{opacity:.55;cursor:not-allowed}.shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr}.topbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid hsla(39,21%,81%,.8);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.brand{font-family:var(--font);font-size:1.4rem;letter-spacing:.02em}.muted{color:var(--muted);font-size:.92rem}.login-page{min-height:100vh;display:grid;place-items:center;padding:2rem}.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);padding:2rem;border-radius:24px}.login-card h1{font-family:var(--font);margin:0 0 .4rem}.field{display:grid;grid-gap:.35rem;gap:.35rem;margin:1rem 0}.field input{border:1px solid var(--line);border-radius:12px;padding:.8rem .9rem;background:#fff}.workspace{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 64px)}.queue{border-right:1px solid var(--line);background:rgba(255,253,248,.72);padding:1rem;overflow:auto}.tabs{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1rem}.tabs button{padding:.45rem .8rem;background:#fff;color:var(--ink);border:1px solid var(--line)}.tabs button.active{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.conv-item{display:block;padding:.85rem .9rem;border:1px solid transparent;border-radius:16px;margin-bottom:.5rem;background:#fff}.conv-item.active,.conv-item:hover{border-color:rgba(15,118,110,.35);box-shadow:var(--shadow)}.conv-item strong{display:block;font-size:.98rem;margin-bottom:.2rem}.badge{display:inline-block;margin-right:.35rem;padding:.15rem .45rem;border-radius:999px;background:#ecfdf5;color:#065f46;font-size:.75rem}.badge.warn{background:#fff7ed;color:var(--warn)}.detail{display:grid;grid-template-rows:auto 1fr auto;min-height:calc(100vh - 64px)}.detail-header{padding:1rem 1.25rem;border-bottom:1px solid var(--line);background:rgba(255,253,248,.85);display:flex;justify-content:space-between;gap:1rem;align-items:start}.actions{display:flex;gap:.5rem;flex-wrap:wrap}.messages{padding:1.25rem;overflow:auto;display:flex;flex-direction:column;gap:.75rem}.bubble{max-width:min(680px,85%);padding:.85rem 1rem;border-radius:18px;background:#fff;border:1px solid var(--line);white-space:pre-wrap}.bubble.customer{align-self:flex-start}.bubble.agent,.bubble.ai{align-self:flex-end;background:#ecfdf5;border-color:rgba(15,118,110,.25)}.bubble.note{align-self:center;background:#fffbeb;color:#78350f}.meta{font-size:.75rem;color:var(--muted);margin-bottom:.3rem}.composer{border-top:1px solid var(--line);padding:1rem 1.25rem;display:grid;grid-template-columns:1fr auto;grid-gap:.75rem;gap:.75rem;background:rgba(255,253,248,.92)}.composer textarea{min-height:84px;resize:vertical;border:1px solid var(--line);border-radius:16px;padding:.85rem 1rem}.empty{display:grid;place-items:center;color:var(--muted);padding:3rem}.error{color:var(--danger);margin-top:.75rem;white-space:pre-wrap}@media (max-width:900px){.workspace{grid-template-columns:1fr}.queue{border-right:0;border-bottom:1px solid var(--line);max-height:40vh}}