:root {
  --bg: #f5f6f8; --surface: #ffffff; --text: #1d2330; --muted: #6b7280; --border: #e3e6eb;
  --accent: #0f766e; --accent-soft: #e6f4f2; --sidebar: #12302d; --sidebar-text: #d7e7e4;
  --ok: #15803d; --bad: #b91c1c;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11161c; --surface: #1a2129; --text: #e6e9ee; --muted: #9aa3ad; --border: #2a333d; --accent: #2dd4bf; --accent-soft: #163b37; --sidebar: #0b1a19; --ok: #4ade80; --bad: #f87171; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--bad); min-height: 1.2em; margin: 0; }
.btn { border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 8px 14px; border-radius: 8px; cursor: pointer; font: inherit; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; color: var(--sidebar-text); border-color: #ffffff33; }
input { width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; margin-top: 4px; }
label { display: block; margin-bottom: 12px; font-weight: 500; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; }
.login-card h1 { margin: 0; font-size: 22px; }
.login-card .btn { width: 100%; }

.layout { display: grid; grid-template-columns: 230px 1fr; min-height: 100vh; }
.sidebar { background: var(--sidebar); color: var(--sidebar-text); display: flex; flex-direction: column; padding: 18px 12px; }
.brand { font-weight: 700; font-size: 17px; color: #fff; padding: 0 10px 18px; }
nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
nav a { padding: 8px 10px; border-radius: 8px; cursor: pointer; color: var(--sidebar-text); }
nav a:hover { background: #ffffff14; }
nav a.active { background: #ffffff22; color: #fff; font-weight: 600; }
nav a.sub { padding-left: 24px; }
.nav-group { margin-top: 14px; padding: 6px 10px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; opacity: .7; }
.me { border-top: 1px solid #ffffff22; padding: 12px 10px 0; display: grid; gap: 8px; }
main { padding: 24px; min-width: 0; }
header h2 { margin: 0 0 18px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .value { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); font-size: 12px; }
.toolbar { display: flex; gap: 8px; margin-bottom: 12px; }
.toolbar input { margin: 0; max-width: 320px; }
.setup { display: grid; gap: 14px; max-width: 760px; }
.copy-row { display: flex; gap: 8px; align-items: center; }
.copy-row code { flex: 1; padding: 9px 11px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; overflow-x: auto; white-space: nowrap; }
.check { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.check:last-child { border-bottom: 0; }
.ok { color: var(--ok); font-weight: 600; } .bad { color: var(--bad); font-weight: 600; }
ol { padding-left: 18px; margin: 0; } li { margin-bottom: 6px; }
textarea, select { width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; margin-top: 4px; }
.toolbar select { margin: 0; max-width: 320px; }
.wrap { white-space: normal; min-width: 220px; max-width: 420px; }
.chat { display: flex; flex-direction: column; gap: 8px; height: 380px; overflow-y: auto; padding: 12px; margin-bottom: 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; }
.bubble { max-width: 80%; padding: 8px 12px; border-radius: 12px; white-space: pre-wrap; }
.bubble.in { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.bubble.out { align-self: flex-start; background: var(--surface); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
#test-form input { max-width: none; }

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { padding: 12px 16px; }
  nav { flex-direction: row; flex-wrap: wrap; }
  .nav-group { display: none; }
  nav a.sub { padding-left: 10px; }
  main { padding: 16px; }
}