:root {
  --bg: #f4f6f9; --panel: #ffffff; --ink: #18202b; --muted: #5b6676; --line: #dde2ea;
  --accent: #1f5fbf; --accent-ink: #ffffff; --ok: #1d7a46; --ok-bg: #e5f4ec; --bad: #b42318; --bad-bg: #fdecea;
  --warn: #8a5a00; --warn-bg: #fff4dc; --code: #eef1f5; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419; --panel: #171e26; --ink: #e6ebf1; --muted: #9aa6b4; --line: #2a3441;
    --accent: #5b9bff; --accent-ink: #0b1220; --ok: #5fd08f; --ok-bg: #12301f; --bad: #ff8a80; --bad-bg: #3a1714;
    --warn: #f3c060; --warn-bg: #352a10; --code: #1f2833; --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 16px 0 8px; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.mono-box { background: var(--code); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; word-break: break-all; white-space: pre-wrap; max-height: 260px; overflow: auto; }

/* auth pages */
.center { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 24px; width: 100%; }
.card.narrow { max-width: 400px; }
.card.wide { max-width: 720px; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.brand img { height: 30px; width: auto; }
.brand .tag { font-size: 12px; color: var(--muted); border-left: 1px solid var(--line); padding-left: 12px; }
.steps { display: flex; gap: 8px; margin: 0 0 18px; padding: 0; list-style: none; flex-wrap: wrap; }
.steps li { font-size: 12px; padding: 4px 10px; border-radius: 99px; background: var(--code); color: var(--muted); }
.steps li.on { background: var(--accent); color: var(--accent-ink); }

/* forms */
label { display: block; font-size: 12px; font-weight: 600; margin: 12px 0 4px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); font: inherit;
}
textarea { min-height: 90px; resize: vertical; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 400; font-size: 14px; }
.help { font-size: 12px; color: var(--muted); margin-top: 2px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }

button, .btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.danger { color: var(--bad); }
button:disabled { opacity: .55; cursor: not-allowed; }
button.link { border: none; background: none; padding: 0; color: var(--accent); font-weight: 400; }

.msg { border-radius: 8px; padding: 10px 12px; margin: 12px 0; font-size: 13px; }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
.msg.bad { background: var(--bad-bg); color: var(--bad); }
.msg.warn { background: var(--warn-bg); color: var(--warn); }
.hidden { display: none !important; }

/* shell */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.side .brand { margin: 0 4px 16px; }
.side a.nav { display: block; padding: 8px 10px; border-radius: 8px; color: var(--ink); text-decoration: none; font-weight: 500; }
.side a.nav.on { background: var(--code); color: var(--accent); }
.side .foot { margin-top: auto; font-size: 12px; color: var(--muted); padding: 8px 4px; }
main { padding: 24px; max-width: 1200px; width: 100%; }
.head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { flex-direction: row; flex-wrap: wrap; align-items: center; border-right: none; border-bottom: 1px solid var(--line); padding: 10px 16px; }
  .side .brand { margin: 0 8px 0 0; }
  .side .foot { margin: 0 0 0 auto; padding: 0; }
  main { padding: 16px; }
}

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 18px; margin-bottom: 16px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.tile .k { font-size: 12px; color: var(--muted); }
.tile .v { font-size: 22px; font-weight: 700; margin-top: 2px; }
.tile .s { font-size: 12px; color: var(--muted); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 13px; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--code); }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--code); color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.run { background: var(--accent); color: var(--accent-ink); }

.binding { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr auto; gap: 8px; align-items: end; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.binding label { margin-top: 0; }
@media (max-width: 860px) { .binding { grid-template-columns: 1fr 1fr; } }

.result { border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin-top: 12px; }
.result .det { font-size: 18px; font-weight: 700; }
.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; margin: 10px 0; }
.values div { background: var(--code); border-radius: 8px; padding: 8px 10px; }
.values .k { font-size: 12px; color: var(--muted); }
.values .v { font-weight: 700; }

dialog { border: 1px solid var(--line); border-radius: 12px; padding: 0; background: var(--panel); color: var(--ink); width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 32px); }
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog .dlg-body { padding: 20px; overflow: auto; max-height: calc(100vh - 120px); }
dialog .dlg-foot { padding: 12px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.mt { margin-top: 12px; }
.mb { margin-bottom: 12px; }
.shell > * { min-width: 0; }
.side .brand img { max-width: 120px; }
@media (max-width: 860px) { .side a.nav { padding: 6px 8px; } .side .foot { width: 100%; margin: 4px 0 0; display: flex; gap: 12px; flex-wrap: wrap; } }
td { overflow-wrap: anywhere; }
.narrow-panel { max-width: 460px; }