/* kds-work — industrial data-hub UI. Hand-built, dark, dense, intentional. */
:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1c232d;
  --border: #2a323d;
  --text: #e6edf3;
  --muted: #8b97a7;
  --accent: #f0883e;       /* industrial amber */
  --accent-2: #3b82f6;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); }

/* ── Top bar ─────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 10px 20px; background: var(--panel);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 700; letter-spacing: .3px; white-space: nowrap; }
.brand .dot { color: var(--accent); }
.topbar nav { display: flex; gap: 4px; }
.topbar nav a {
  color: var(--muted); padding: 6px 12px; border-radius: 6px; font-weight: 500;
}
.topbar nav a:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }
.topbar nav a.active { color: var(--text); background: var(--panel-2); }
.topbar .spacer { flex: 1; }
.topbar .who { color: var(--muted); font-size: 13px; }
.topbar .who b { color: var(--text); }

.search-form { flex: 1; max-width: 520px; display: flex; }
.search-form input {
  flex: 1; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 8px 12px; border-radius: 8px 0 0 8px; font-size: 14px; outline: none;
}
.search-form input:focus { border-color: var(--accent); }
.search-form button {
  background: var(--accent); color: #1a1206; border: none; font-weight: 600;
  padding: 0 16px; border-radius: 0 8px 8px 0; cursor: pointer;
}

/* ── Layout ──────────────────────────────────────────── */
.wrap { max-width: 1200px; margin: 0 auto; padding: 24px 20px 60px; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 26px 0 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; font-weight: 600; }
.sub { color: var(--muted); margin: 0 0 20px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px;
}
.card .n { font-size: 26px; font-weight: 700; }
.card .l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.card.accent .n { color: var(--accent); }
.card.warn .n { color: var(--yellow); }

/* ── Tables ──────────────────────────────────────────── */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; background: var(--panel-2); white-space: nowrap; }
tbody tr:hover { background: var(--panel-2); }
td.mono, th.mono { font-family: var(--mono); }
.tbl-scroll { overflow-x: auto; }

.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }
.tag.iso { color: var(--accent); border-color: #5a3a1a; }
.tag.valve { color: #58a6ff; border-color: #1f3b5c; }
.tag.hanger { color: #a5d6a7; border-color: #2c4a2e; }
.tag.hold { color: var(--red); border-color: #5c2424; }
.tag.green { color: var(--green); border-color: #234; }
.tag.lean_backlog, .tag.iso_registry { color: #c9a3ff; border-color: #3d2c5c; }

.kv { display: grid; grid-template-columns: 160px 1fr; gap: 4px 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.empty { color: var(--muted); padding: 30px; text-align: center; }
.btn { background: var(--accent); color: #1a1206; border: none; font-weight: 600; padding: 8px 16px;
  border-radius: 8px; cursor: pointer; font-size: 14px; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Login ───────────────────────────────────────────── */
.login-wrap { min-height: 100vh; display: grid; place-items: center; }
.login-box { background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 32px; width: 340px; }
.login-box h1 { margin-bottom: 18px; }
.login-box label { display: block; color: var(--muted); font-size: 13px; margin: 12px 0 4px; }
.login-box input { width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 10px; border-radius: 8px; outline: none; }
.login-box input:focus { border-color: var(--accent); }
.login-box .btn { width: 100%; margin-top: 20px; padding: 11px; }
.err { color: var(--red); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* ── Upload wizard ───────────────────────────────────── */
.sheet-row { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; background: var(--panel); }
.sheet-head { display: flex; align-items: center; gap: 12px; padding: 12px 14px; }
.sheet-head input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent); }
.sheet-head .nm { font-weight: 600; }
.sheet-head .meta { color: var(--muted); font-size: 12px; }
.sheet-cfg { display: none; padding: 0 14px 14px; gap: 16px; flex-wrap: wrap; }
.sheet-row.on .sheet-cfg { display: flex; }
.sheet-row.on { border-color: var(--accent); }
.fld { display: flex; flex-direction: column; gap: 4px; }
.fld label { color: var(--muted); font-size: 12px; }
.fld input, .fld select { background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 6px 8px; border-radius: 6px; min-width: 130px; }
.preview-tbl { font-size: 11px; margin-top: 8px; }
.preview-tbl td { padding: 3px 6px; white-space: nowrap; max-width: 140px; overflow: hidden; text-overflow: ellipsis; }
.preview-tbl tr.hdr-row td { background: #3a2a14; color: var(--accent); font-weight: 600; }
.copy-link { font-size: 11px; font-weight: 500; margin-left: 8px; color: var(--accent-2); text-transform: none; letter-spacing: 0; }
td.editable { cursor: text; }
td.editable:hover { outline: 1px dashed var(--accent); outline-offset: -1px; background: rgba(240,136,62,.08); }
.muted { color: var(--muted); }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.flash.ok { background: #11261a; color: var(--green); border: 1px solid #234a2e; }
.flash.bad { background: #2a1414; color: var(--red); border: 1px solid #5c2424; }