*{box-sizing:border-box}
body{margin:0;font-family:Tahoma,Arial,sans-serif;background:#eef5ff;color:#0f172a}
.topbar{position:sticky;top:0;z-index:5;background:linear-gradient(135deg,#0754d4,#0f62fe);color:white;padding:12px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;box-shadow:0 12px 28px rgba(15,23,42,.16)}
.brand{display:flex;align-items:center;gap:10px}
.logo{display:inline-flex;width:38px;height:38px;border-radius:14px;background:white;color:#0754d4;align-items:center;justify-content:center;font-weight:900}
.brand small{display:block;opacity:.85;font-size:11px}
nav{display:flex;gap:8px;flex-wrap:wrap}
nav a{color:white;text-decoration:none;background:rgba(255,255,255,.14);padding:8px 10px;border-radius:10px;font-size:13px}
.wrap{max-width:1180px;margin:18px auto;padding:0 14px}
.card{background:white;border-radius:18px;padding:18px;box-shadow:0 14px 35px rgba(15,23,42,.08);margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.kpi{background:linear-gradient(135deg,#fff,#eaf2ff);border:1px solid #dbeafe;border-radius:18px;padding:16px}
.kpi b{display:block;font-size:24px}
label{display:block;margin-top:10px;font-weight:700}
input,select,textarea{width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:12px;background:white}
textarea{min-height:95px}
.btn,button{display:inline-block;background:#0f62fe;color:white;border:0;padding:10px 14px;border-radius:12px;text-decoration:none;font-weight:700;cursor:pointer}
.btn.secondary{background:#334155}
.btn.danger{background:#dc2626}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;background:white}
th,td{padding:10px;border-bottom:1px solid #e2e8f0;text-align:left;vertical-align:top}
th{background:#0f172a;color:white;white-space:nowrap}
.alert{padding:12px;border-radius:14px;margin-bottom:12px;background:#dbeafe;border:1px solid #93c5fd}
.alert.danger{background:#fee2e2;border-color:#fca5a5}
.msg{padding:10px;border-radius:14px;margin:8px 0;max-width:75%;background:#e2e8f0}
.msg.me{margin-left:auto;background:#dbeafe}
.small{font-size:12px;color:#64748b}
img.chat-img{max-width:220px;border-radius:14px;display:block;margin-top:8px}
.footer{text-align:center;padding:18px;color:#64748b}
@media(max-width:760px){
 .topbar{display:block}
 nav{margin-top:10px}
 .grid,.grid2{grid-template-columns:1fr}
 .msg{max-width:100%}
}