/* BDT Inspector – restrained, dense, readable. No external assets. */
:root {
  --bg: #f5f6f8; --surface: #ffffff; --surface-2: #f0f2f5; --border: #dcdfe4; --border-strong: #c3c8d0;
  --text: #1a1e23; --muted: #5c6570; --faint: #8a939d;
  --accent: #1d5bb8; --accent-weak: #e7eefa; --accent-text: #ffffff;
  --ok: #1d7443; --ok-weak: #e4f3ea; --warn: #8f5a00; --warn-weak: #fbf1dc;
  --err: #b1261c; --err-weak: #fbe6e4; --info: #2d5a86; --info-weak: #e6eef7;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 4px; --row: 30px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111417; --surface: #171b1f; --surface-2: #1d2227; --border: #2b3239; --border-strong: #3a434c;
    --text: #e2e6ea; --muted: #9ba5af; --faint: #6f7983;
    --accent: #6ea3f0; --accent-weak: #1c2a3d; --accent-text: #0d1117;
    --ok: #5cc28a; --ok-weak: #15291e; --warn: #e2b155; --warn-weak: #2d2412; --err: #f0827a; --err-weak: #331a18;
    --info: #86b4e3; --info-weak: #17263a; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111417; --surface: #171b1f; --surface-2: #1d2227; --border: #2b3239; --border-strong: #3a434c;
  --text: #e2e6ea; --muted: #9ba5af; --faint: #6f7983;
  --accent: #6ea3f0; --accent-weak: #1c2a3d; --accent-text: #0d1117;
  --ok: #5cc28a; --ok-weak: #15291e; --warn: #e2b155; --warn-weak: #2d2412; --err: #f0827a; --err-weak: #331a18;
  --info: #86b4e3; --info-weak: #17263a; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1 { font-size: 20px; font-weight: 600; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 15px; font-weight: 600; margin: 24px 0 8px; }
h3 { font-size: 13px; font-weight: 600; margin: 16px 0 6px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
p { margin: 6px 0; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
h1.mono, h1 .mono, h2 .mono { font-size: .92em; }
.muted { color: var(--muted); } .faint { color: var(--faint); } .small { font-size: 12.5px; }
.nowrap { white-space: nowrap; } .right { text-align: right; } .num { text-align: right; font-variant-numeric: tabular-nums; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 8px; top: 8px; z-index: 10; background: var(--surface); padding: 6px 10px; }

/* layout */
.layout { display: grid; grid-template-columns: 208px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); padding: 14px 10px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; }
.brand { font-weight: 650; font-size: 14px; padding: 4px 10px 14px; display: flex; gap: 8px; align-items: center; }
.brand-mark { width: 18px; height: 18px; border: 2px solid var(--accent); border-radius: 3px; display: inline-grid; place-items: center; font: 700 9px var(--mono); color: var(--accent); }
.nav a { display: block; padding: 6px 10px; border-radius: var(--radius); color: var(--text); margin-bottom: 1px; }
.nav a:hover { background: var(--surface-2); text-decoration: none; }
.nav a[aria-current="page"] { background: var(--accent-weak); color: var(--accent); font-weight: 600; }
.nav .sep { height: 1px; background: var(--border); margin: 10px 6px; }
.sidebar-foot { margin-top: auto; font-size: 12.5px; color: var(--muted); padding: 8px 10px 0; border-top: 1px solid var(--border); }
.sidebar-foot form { display: inline; }
.main { padding: 20px 28px 48px; min-width: 0; max-width: 1480px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.crumbs { font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.crumbs a { color: var(--muted); }

/* surfaces */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px; }
.panel > h2:first-child, .panel > h3:first-child { margin-top: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.stage { border-left: 3px solid var(--border-strong); }
.stage.ok { border-left-color: var(--ok); } .stage.err { border-left-color: var(--err); } .stage.pending { border-left-color: var(--faint); } .stage.busy { border-left-color: var(--accent); }
.stage-label { font: 600 11px var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.stage-state { font-size: 15px; font-weight: 600; margin-bottom: 6px; }

/* key/value */
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 18px; margin: 0; }
dl.kv dt { color: var(--muted); } dl.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* stats */
.stats { display: grid; grid-template-columns: max-content max-content; gap: 3px 28px; margin: 0; font-variant-numeric: tabular-nums; }
.stats dt { color: var(--muted); } .stats dd { margin: 0; text-align: right; font-weight: 600; }
.stats dd a { font-weight: 600; }
.summary-row { display: flex; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin-bottom: 14px; flex-wrap: wrap; }
.summary-row > div { padding: 10px 16px; border-right: 1px solid var(--border); min-width: 120px; }
.summary-row > div:last-child { border-right: 0; }
.summary-row .k { font-size: 12px; color: var(--muted); } .summary-row .v { font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }

/* tables */
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); max-height: calc(100vh - 210px); }
.table-wrap.free { max-height: none; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 5px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
thead th { position: sticky; top: 0; background: var(--surface-2); font-weight: 600; font-size: 12px; color: var(--muted); z-index: 1; white-space: nowrap; border-bottom: 1px solid var(--border-strong); }
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: 0; }
td.val { font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; overflow-wrap: anywhere; max-width: 520px; }
tr.hl td { background: var(--accent-weak); }
.empty-val { color: var(--faint); font-style: italic; font-family: var(--sans); }

/* badges */
.badge { display: inline-block; padding: 0 6px; border-radius: 3px; font-size: 11.5px; font-weight: 600; line-height: 18px; border: 1px solid transparent; white-space: nowrap; }
.b-ok { background: var(--ok-weak); color: var(--ok); } .b-err { background: var(--err-weak); color: var(--err); }
.b-warn { background: var(--warn-weak); color: var(--warn); } .b-info { background: var(--info-weak); color: var(--info); }
.b-neutral { background: var(--surface-2); color: var(--muted); border-color: var(--border); }
.b-busy { background: var(--accent-weak); color: var(--accent); }
.sym { font-family: var(--mono); font-weight: 700; }
.t-ok { color: var(--ok); } .t-err { color: var(--err); } .t-warn { color: var(--warn); } .t-info { color: var(--info); }

/* forms */
label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 3px; }
input[type=text], input[type=password], input[type=search], input[type=email], input[type=date], input[type=number], select, textarea {
  font: inherit; font-size: 13px; color: var(--text); background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--radius); padding: 5px 8px; min-height: 30px; max-width: 100%; }
textarea { font-family: var(--mono); font-size: 12.5px; width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px var(--accent-weak); }
.field { margin-bottom: 12px; }
.check { display: flex; gap: 8px; align-items: flex-start; color: var(--text); font-size: 13.5px; }
.check input { margin-top: 3px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: flex-end; margin-bottom: 12px; padding: 10px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.filters .field { margin: 0; }
.btn { display: inline-flex; align-items: center; gap: 6px; font: inherit; font-size: 13px; font-weight: 500; padding: 5px 12px; min-height: 30px;
  border-radius: var(--radius); border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--err); border-color: var(--err); }
.btn.small { padding: 2px 8px; min-height: 24px; font-size: 12.5px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.link-btn { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; }
.link-btn:hover { text-decoration: underline; }

/* notices */
.notice { padding: 8px 12px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-2); margin-bottom: 12px; }
.notice.err { background: var(--err-weak); border-color: transparent; color: var(--err); }
.notice.ok { background: var(--ok-weak); border-color: transparent; color: var(--ok); }
.notice.warn { background: var(--warn-weak); border-color: transparent; color: var(--warn); }
.notice ul { margin: 4px 0 0 18px; padding: 0; }

/* tabs */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 14px; overflow-x: auto; }
.tabs a { padding: 7px 12px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

/* progress */
.progress { height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; border: 1px solid var(--border); max-width: 420px; }
.progress > span { display: block; height: 100%; background: var(--accent); transition: width .3s; }

/* upload */
.dropzone { border: 1.5px dashed var(--border-strong); border-radius: var(--radius); padding: 36px 20px; text-align: center; background: var(--surface); cursor: pointer; }
.dropzone.over { border-color: var(--accent); background: var(--accent-weak); }
.dropzone strong { display: block; font-size: 15px; margin-bottom: 4px; }
.upload-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 10px 14px; margin-top: 10px; }

/* raw view */
pre.raw { font: 12.5px/1.55 var(--mono); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; margin: 0; overflow: auto; white-space: pre; max-height: 520px; }
.raw-line .ll { color: var(--accent); } .raw-line .fk { color: var(--warn); font-weight: 600; }

/* pagination */
.pager { display: flex; gap: 10px; align-items: center; justify-content: space-between; margin: 10px 0; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.pager .btn-row { gap: 4px; }

.pill-list { display: flex; flex-wrap: wrap; gap: 4px; }
.pill-list code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 3px; padding: 0 5px; }
.explain { font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--border); margin-top: 12px; padding-top: 10px; }
.disclaimer { font-size: 12px; color: var(--muted); }

/* login */
.center-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 24px; }
.login-card input { width: 100%; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 8px 12px; gap: 4px; border-right: 0; border-bottom: 1px solid var(--border); }
  .brand { padding: 4px 8px; }
  .nav { display: flex; flex-wrap: wrap; gap: 2px; } .nav .sep { display: none; }
  .sidebar-foot { margin: 0; border: 0; padding: 4px 8px; width: 100%; }
  .main { padding: 16px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .table-wrap { max-height: none; }
}