:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary2: #1d4ed8;
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 20px; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.brand { font-weight: 1000; letter-spacing: -0.3px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  padding: 9px 12px;
  font-weight: 900;
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary2);
  border-color: var(--primary2);
}
.grid { display: grid; grid-template-columns: 1fr 360px; gap: 14px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.in { padding: 14px; }
.muted { color: var(--muted); line-height: 1.6; }
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 900;
}
.badge-ok { color: #166534; background: #ecfdf5; border-color: #bbf7d0; }
.badge-warn { color: #92400e; background: #fffbeb; border-color: #fde68a; }
.badge-danger { color: #991b1b; background: #fef2f2; border-color: #fecaca; }
label {
  display: block;
  font-size: 12px;
  margin: 10px 0 6px;
  color: #334155;
  font-weight: 900;
}
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  background: #fff;
}
textarea { min-height: 100px; resize: vertical; font-family: inherit; }
.list { display: flex; flex-direction: column; gap: 10px; }
.item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: #fff;
}
.split { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.chat-wrap {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 12px;
}
.msg-box {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  height: 420px;
  overflow: auto;
  padding: 10px;
}
.msg { margin: 8px 0; }
.msg .who { font-size: 11px; color: var(--muted); font-weight: 900; }
.msg .bubble {
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  max-width: 90%;
  background: #fff;
}
.msg.me .bubble { border-color: #bfdbfe; background: #eff6ff; margin-left: auto; }
@media (max-width: 980px) {
  .grid { grid-template-columns: 1fr; }
  .chat-wrap { grid-template-columns: 1fr; }
}