:root {
  --bg: #f5f7fa;
  --side: #182433;
  --card: #fff;
  --line: #d9e1ea;
  --text: #1f2937;
  --muted: #667085;
  --blue: #1769aa;
  --blue-2: #eaf4ff;
  --red: #b42318;
  --green: #147a48;
  --amber: #a15c07;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px;
  display: grid;
  gap: 12px;
}

.login-card h1 {
  margin-bottom: 0;
}

.login-card input,
.user-form input,
.user-form select {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 11px;
  font: inherit;
}

.login-card button,
.user-form button,
.small-btn {
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  border-radius: 6px;
  padding: 8px 11px;
  cursor: pointer;
  font: inherit;
}

.login-error {
  min-height: 20px;
  color: var(--red);
  font-size: 13px;
}

.login-hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.small-btn {
  background: #fff;
  color: var(--blue);
}

.user-create {
  padding: 14px;
  margin-bottom: 14px;
}

.user-form {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px 1fr;
}

.side {
  background: var(--side);
  color: #dce7f3;
  padding: 18px 12px;
}

.brand {
  display: grid;
  gap: 6px;
  padding: 8px 10px 18px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 14px;
}

.brand strong { color: #fff; }
.brand span { font-size: 12px; color: #aebccd; }

.nav {
  display: block;
  width: 100%;
  padding: 10px 12px;
  margin: 5px 0;
  border: 0;
  border-radius: 6px;
  text-align: left;
  color: #dce7f3;
  background: transparent;
  cursor: pointer;
  font: inherit;
}

.nav.active, .nav:hover { background: #26384b; color: #fff; }

.main { padding: 22px; min-width: 0; }

.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

h1 { margin: 0 0 6px; font-size: 24px; }
p { margin: 0; color: var(--muted); }

.config {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.page { display: none; }
.page.active { display: block; }

.chat-layout {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) 340px;
  gap: 14px;
}

.chat-panel, .inspector, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.chat-panel {
  display: grid;
  grid-template-rows: 1fr auto auto;
  height: 680px;
  overflow: hidden;
}

.messages {
  padding: 16px;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 12px;
  background: #f8fafc;
}

.msg {
  max-width: 82%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  white-space: pre-wrap;
  line-height: 1.55;
}

.msg.ai { background: #fff; justify-self: start; }
.msg.user { background: var(--blue-2); border-color: #b8d8f2; justify-self: end; }
.msg.error { background: #fff1f0; border-color: #ffd2cc; color: var(--red); }

.quick {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px;
  border-top: 1px solid var(--line);
  background: #fff;
}

button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 6px;
  padding: 8px 11px;
  cursor: pointer;
  font: inherit;
}

button[type="submit"], .toolbar button {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.send {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--line);
  background: #fff;
}

input {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 11px;
  font: inherit;
}

.inspector { padding: 14px; }
.inspector h3, .panel h3 { margin: 0 0 12px; }

dl { display: grid; grid-template-columns: 92px 1fr; gap: 8px 10px; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; word-break: break-word; }

.toolbar { margin-bottom: 12px; }

.table {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 880px;
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

th {
  background: #eef3f8;
  font-size: 12px;
  color: #344054;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: #eef3f8;
}

.badge.a { background: #fee4e2; color: var(--red); }
.badge.b { background: #fef0c7; color: var(--amber); }
.badge.ok { background: #dcfae6; color: var(--green); }

.cards {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.card strong { display: block; font-size: 26px; margin-bottom: 4px; }
.card span { color: var(--muted); font-size: 12px; }

.grid2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.panel { padding: 14px; }

.bar-row {
  display: grid;
  grid-template-columns: 160px 1fr 40px;
  gap: 8px;
  align-items: center;
  margin: 10px 0;
}

.bar {
  height: 12px;
  background: #eef3f8;
  border-radius: 999px;
  overflow: hidden;
}

.bar i { display: block; height: 100%; background: var(--blue); }

@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .chat-layout, .grid2 { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}