:root{
  --bg:#0f172a;
  --panel:#111827;
  --panel-2:#1f2937;
  --text:#e5e7eb;
  --muted:#94a3b8;
  --accent:#2563eb;
  --ok:#16a34a;
  --warn:#f59e0b;
  --danger:#dc2626;
  --border:#243246;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#0b1220;color:var(--text)}
a{text-decoration:none;color:inherit}
.login-body{display:grid;place-items:center;min-height:100vh;padding:20px}
.login-card{width:min(100%,420px);background:var(--panel);padding:28px;border-radius:18px;border:1px solid var(--border);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.form-grid{display:grid;gap:12px}
.form-grid.compact{margin-top:16px}
label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
input,select,textarea,button{font:inherit}
input,select,textarea{width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);background:#0b1220;color:var(--text)}
textarea{min-height:100px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:12px;border:1px solid var(--border);background:#1e293b;color:var(--text);cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent)}
.btn.small{padding:8px 10px;font-size:13px}
.alert{padding:12px 14px;border-radius:12px;margin:12px 0}
.alert.success{background:rgba(22,163,74,.15);border:1px solid rgba(22,163,74,.35)}
.alert.error{background:rgba(220,38,38,.15);border:1px solid rgba(220,38,38,.35)}
.muted{color:var(--muted)}
.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:#0a1020;border-right:1px solid var(--border);padding:20px;position:sticky;top:0;height:100vh}
.brand h2{margin:0 0 6px 0;font-size:22px}
.menu{display:grid;gap:8px;margin-top:22px}
.menu a{padding:12px 14px;border-radius:12px;color:#cbd5e1}
.menu a.active,.menu a:hover{background:#172036}
.main{padding:24px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}
.topbar h1{margin:0}
.topbar-actions{display:flex;align-items:center;gap:10px}
.status{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:#334155;color:#cbd5e1;font-size:13px}
.status.ok{background:rgba(22,163,74,.18);color:#86efac}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.card,.panel{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:18px}
.card span{display:block;color:var(--muted);font-size:14px;margin-bottom:8px}
.card strong{font-size:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);text-align:left;font-size:14px;vertical-align:top}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#1e293b;border:1px solid var(--border);font-size:12px}
.list{margin:0;padding-left:18px}
.accordion-list{display:grid;gap:12px}
.accordion{background:#0b1220;border:1px solid var(--border);border-radius:14px}
.accordion summary{display:grid;grid-template-columns:160px 1fr auto;gap:10px;padding:14px 16px;cursor:pointer}
.accordion-body{padding:0 16px 16px}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-bottom:14px}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:10px}
.photo-grid img{width:100%;height:90px;object-fit:cover;border-radius:12px;border:1px solid var(--border)}
.mt-16{margin-top:16px}
.chat-layout{display:grid;grid-template-columns:320px 1fr;gap:16px}
.chat-sidebar{display:grid;gap:10px;align-content:start}
.chat-link{display:block;padding:12px;border-radius:12px;background:#0b1220;border:1px solid var(--border)}
.chat-link.active{outline:2px solid var(--accent)}
.chat-panel{display:grid;grid-template-rows:auto 1fr auto;min-height:70vh}
.chat-box{background:#0b1220;border:1px solid var(--border);border-radius:14px;padding:14px;overflow:auto;display:grid;gap:12px}
.bubble{max-width:75%;padding:12px;border-radius:14px;background:#1f2937}
.bubble.me{justify-self:end;background:#1d4ed8}
.bubble small{display:block;margin-top:6px;color:#cbd5e1}
.chat-form{display:grid;grid-template-columns:1fr 120px;gap:12px;margin-top:12px}
.button-list{display:flex;flex-wrap:wrap;gap:10px}
.login-help{margin-top:16px;padding:14px;background:#0b1220;border-radius:12px;border:1px solid var(--border);font-size:14px;line-height:1.6}
@media (max-width: 980px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:static;height:auto}
  .grid-2,.chat-layout{grid-template-columns:1fr}
  .topbar{flex-direction:column;align-items:flex-start}
}