:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --text: #1d2330;
  --muted: #6b7385;
  --line: #e2e5eb;
  --accent: #2f6fde;
  --accent-text: #ffffff;
  --bad: #c62f2f;
  --bad-bg: #fdecec;
  --ok-bg: #e9f7ee;
  --client: #dbe8ff;
  --bot: #ffffff;
  --system: #fff6db;
  --code: #f0f2f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181e;
    --panel: #1e222a;
    --text: #e4e7ee;
    --muted: #9198a8;
    --line: #2e333d;
    --accent: #5b8ff0;
    --bad: #ff7b7b;
    --bad-bg: #3a2023;
    --ok-bg: #1d3326;
    --client: #26385a;
    --bot: #252a33;
    --system: #3a3420;
    --code: #262b34;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 22px; margin: 8px 0 12px; }
h2 { font-size: 16px; margin: 24px 0 8px; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13px; }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; }

.top {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; }
.ver { color: var(--muted); font-weight: 400; font-size: 12px; }
.top nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.top nav a { padding: 6px 12px; border-radius: 6px; text-decoration: none; color: var(--text); }
.top nav a.active, .top nav a:hover { background: var(--bg); }
.logout { display: flex; align-items: center; gap: 8px; margin: 0; }
.who { color: var(--muted); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 16px 20px 40px; }
.hint { color: var(--muted); font-size: 13px; }
.hint.warn { color: var(--bad); }
.nowrap { white-space: nowrap; }

.btn {
  background: var(--accent); color: var(--accent-text); border: 0; border-radius: 6px;
  padding: 8px 16px; font: inherit; cursor: pointer;
}
.btn:disabled { opacity: .6; cursor: default; }
.btn-link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 4px 8px; text-decoration: none; }
.btn-link.active { font-weight: 700; color: var(--text); }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; }
.flash-ok { background: var(--ok-bg); }
.flash-error { background: var(--bad-bg); color: var(--bad); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; }
.card .num { font-size: 24px; font-weight: 700; }
.card .num.bad { color: var(--bad); }
.card .lbl { color: var(--muted); font-size: 13px; }

.tbl { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.tbl th, .tbl td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.tbl th { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.tbl .preview { color: var(--muted); max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tbl.clickable tbody tr { cursor: pointer; }
.tbl.clickable tbody tr:hover { background: var(--bg); }
.row-err td { background: var(--bad-bg); }
.checks td.st { width: 32px; }

.form fieldset { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px 16px; margin: 0 0 16px; }
.form legend { font-weight: 700; padding: 0 6px; }
.form label { display: block; margin: 8px 0; font-weight: 600; font-size: 13px; }
.form .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
input, select, textarea {
  width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; font-weight: 400;
  color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
}
textarea { resize: vertical; }
.actions { position: sticky; bottom: 0; padding: 10px 0; background: var(--bg); }

.login-body { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-box { width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 24px; }
.login-box h1 { font-size: 18px; margin-top: 0; }
.login-box label { display: block; margin: 10px 0; font-weight: 600; font-size: 13px; }
.login-box .btn { width: 100%; margin-top: 8px; }

.chat-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.chat-tools { display: flex; gap: 8px; align-items: center; }
.chat-tools select { width: auto; max-width: 420px; margin: 0; }
.chat { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; display: flex; flex-direction: column; height: calc(100vh - 230px); min-height: 420px; }
.chat-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.chat-empty { color: var(--muted); text-align: center; margin: auto; }
.msg { max-width: 75%; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); }
.msg-body { white-space: pre-wrap; word-wrap: break-word; }
.msg-client { align-self: flex-end; background: var(--client); border-color: transparent; }
.msg-bot { align-self: flex-start; background: var(--bot); }
.msg-system { align-self: center; background: var(--system); font-size: 13px; max-width: 90%; }
.msg-meta { color: var(--muted); font-size: 11px; margin-top: 4px; }
.msg-run { margin-left: 4px; }
.typing { color: var(--muted); font-size: 13px; padding: 0 16px 6px; }
.chat-input { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--line); }
.chat-input textarea { margin: 0; }

.modal { position: fixed; inset: 0; background: rgba(0, 0, 0, .45); display: grid; place-items: center; padding: 16px; z-index: 10; }
.modal[hidden] { display: none; }
.modal-box { background: var(--panel); border-radius: 10px; width: 100%; max-width: 980px; max-height: 90vh; overflow: auto; padding: 16px 20px; position: relative; }
.modal-box pre { white-space: pre-wrap; word-wrap: break-word; font-size: 12px; background: var(--code); padding: 12px; border-radius: 6px; }
.modal-close { position: absolute; top: 10px; right: 12px; background: none; border: 0; font-size: 18px; cursor: pointer; color: var(--muted); }

@media (max-width: 700px) {
  .msg { max-width: 92%; }
  .tbl { display: block; overflow-x: auto; }
}