:root{--bg:#f6f8fb;--card:#fff;--text:#172033;--muted:#68758a;--line:#dbe2ea;--primary:#1769e0;--danger:#c0392b;--ok:#138a5b}*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.container{width:min(1100px,92%);margin:auto}.topbar{background:#0d1b2a;color:#fff;padding:15px 0;box-shadow:0 2px 10px #0002}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px}.nav nav{display:flex;gap:16px;flex-wrap:wrap}.nav a{color:#fff}.brand{font-weight:800;font-size:18px}.hero{padding:70px 0 35px;text-align:center}.hero h1{font-size:clamp(30px,5vw,52px);margin:0 0 10px}.hero p{color:var(--muted);font-size:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin:20px 0;box-shadow:0 8px 30px #1620330a}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}label{display:block;font-weight:650;margin:8px 0 5px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;font:inherit}textarea{min-height:100px}.btn{display:inline-block;border:0;border-radius:9px;padding:11px 16px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer}.btn.secondary{background:#4f5d75}.btn.danger{background:var(--danger)}.alert{padding:12px 15px;border-radius:9px;margin:18px 0}.alert.success{background:#e8f8f0;color:#0a6a43}.alert.error{background:#fdecea;color:#9d251a}.timeline{border-left:3px solid var(--line);margin:22px 8px;padding-left:24px}.event{position:relative;padding:0 0 22px}.event:before{content:'';position:absolute;left:-32px;top:5px;width:13px;height:13px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 1px var(--line)}.event h4{margin:0}.muted{color:var(--muted)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line);vertical-align:top}.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#e8eef8;font-size:12px;font-weight:700}.stats .card{margin:0}.big{font-size:26px;font-weight:800}.chatbox{height:360px;overflow:auto;background:#f9fbfd;border:1px solid var(--line);border-radius:10px;padding:15px}.msg{max-width:78%;padding:10px 12px;border-radius:12px;margin:8px 0;background:#e9eef6}.msg.me{margin-left:auto;background:#dbeafe}.msg.agent{background:#dcfce7}.chat-input{display:flex;gap:8px;margin-top:10px}.chat-input input{flex:1}.footer{margin-top:55px;padding:28px 0;color:var(--muted);text-align:center}@media(max-width:700px){table{display:block;overflow-x:auto}.nav{align-items:flex-start}.hero{padding-top:45px}}