:root{--primary:#075e54;--secondary:#25d366;--bg:#f4f7f6;--text:#172b2a;--muted:#667776;--card:#fff;--line:#dfe8e6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--primary);text-decoration:none}nav{position:fixed;inset:0 auto 0 0;width:250px;background:var(--primary);color:#fff;padding:24px 18px;overflow:auto}.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:700;margin-bottom:28px}.brand img{width:42px;height:42px;object-fit:contain;background:#fff;border-radius:10px;padding:4px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--secondary);color:#103b34}nav a{display:block;color:#fff;padding:10px 12px;border-radius:8px;margin:3px 0}nav a:hover{background:#ffffff1c}.nav-foot{margin-top:28px;font-size:13px;opacity:.85}main{margin-left:250px;padding:28px;max-width:1500px}.top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px}h1{font-size:28px;margin:0}h2{font-size:19px}.company-pill{background:#fff;padding:8px 12px;border:1px solid var(--line);border-radius:999px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 2px 10px #1b4b4210}.metric{font-size:30px;font-weight:750;color:var(--primary)}.muted{color:var(--muted)}table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#edf4f2}.btn,button{display:inline-block;border:0;border-radius:8px;padding:10px 14px;background:var(--primary);color:#fff;cursor:pointer;font:inherit}.btn.secondary{background:var(--secondary);color:#123}.btn.light{background:#edf4f2;color:var(--primary)}.btn.danger{background:#a93232}.actions{display:flex;gap:8px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}label{display:block;font-weight:650;margin-bottom:5px}input,textarea,select{width:100%;border:1px solid #bdceca;border-radius:8px;padding:10px;background:#fff;color:#172b2a;font:inherit}textarea{min-height:110px;resize:vertical}.span-2{grid-column:span 2}.alert{padding:12px 15px;border-radius:9px;margin-bottom:16px;background:#e8f7ee;color:#1d6137}.alert.error{background:#fdeaea;color:#8d2424}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.code{font:13px ui-monospace,SFMono-Regular,monospace;background:#ecf2f1;padding:10px;border-radius:8px;word-break:break-all}.chat{display:flex;flex-direction:column;gap:10px;max-height:58vh;overflow:auto;padding:12px}.bubble{max-width:75%;padding:10px 13px;border-radius:12px;background:#edf1f1}.bubble.cliente{align-self:flex-start}.bubble.bot,.bubble.agente{align-self:flex-end;background:#d9fdd3}.bubble small{display:block;color:#667;margin-top:5px}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#075e54,#10352f)}.login-card{width:min(430px,calc(100% - 32px));background:#fff;padding:30px;border-radius:18px}.login-card h1{margin-bottom:8px}.login-card input{margin-bottom:14px}.login-card button{width:100%}.logo-preview{max-height:64px;max-width:220px}@media(max-width:800px){nav{position:static;width:auto}.brand{margin-bottom:10px}nav a{display:inline-block}main{margin-left:0;padding:18px}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.top{align-items:flex-start;flex-direction:column}}