:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #14181f; --muted: #5d6675; --line: #e3e6ec;
  --brand: #1f6feb; --brand-ink: #ffffff; --ok: #1a7f4b; --warn: #b7791f; --bad: #c62828; --info: #5b5bd6; --gray: #8b93a1;
  --c-ok: #3fa56b; --c-403: #d64545; --c-500: #e0a030; --c-x: #8b6fd0; --c-api: #9aa3b2; --c-auth: #4b9bd6;
  --shadow: 0 1px 2px rgba(20, 24, 31, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218; --panel: #171b23; --ink: #e8ebf1; --muted: #98a1b1; --line: #262c38;
    --brand: #4c8dff; --ok: #4cc38a; --warn: #e0a84a; --bad: #ef6b6b; --info: #8c8cf0; --gray: #8b93a1;
    --c-ok: #3fa56b; --c-403: #ef6b6b; --c-500: #e0a84a; --c-x: #a58be6; --c-api: #7d8696; --c-auth: #5aa9e0;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.boot { padding: 40px; color: var(--muted); }
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
nav.side { background: var(--panel); border-right: 1px solid var(--line); padding: 16px 12px; position: sticky; top: 0; height: 100vh; overflow: auto; }
nav.side h1 { font-size: 15px; margin: 4px 8px 16px; display: flex; align-items: center; gap: 8px; }
nav.side h1 i { width: 22px; height: 22px; border-radius: 6px; background: var(--brand); display: inline-block; }
nav.side a { display: block; padding: 8px 10px; border-radius: 8px; color: var(--ink); text-decoration: none; margin-bottom: 2px; }
nav.side a:hover { background: var(--bg); }
nav.side a.on { background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); font-weight: 600; }
nav.side .who { margin: 18px 8px 0; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; word-break: break-all; }
nav.side button { margin: 8px 8px 0; }
main { padding: 24px 28px 60px; max-width: 1200px; width: 100%; }
main h2 { margin: 0 0 4px; font-size: 20px; }
main .sub { color: var(--muted); margin: 0 0 18px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-bottom: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 8px; font-size: 13px; color: var(--muted); font-weight: 600; }
.kpi { font-size: 26px; font-weight: 700; letter-spacing: -.5px; }
.kpi small { font-size: 12px; font-weight: 500; color: var(--muted); margin-left: 6px; letter-spacing: 0; }
.note { color: var(--muted); font-size: 12px; margin-top: 4px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 18px; box-shadow: var(--shadow); overflow-x: auto; }
.panel h3 { margin: 0 0 10px; font-size: 14px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th { text-align: left; font-weight: 600; color: var(--muted); padding: 6px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--bg); }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--bg); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.pill.ok { color: var(--ok); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); } .pill.info { color: var(--info); }
button, .btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 6px 12px; border-radius: 8px; cursor: pointer; }
button:hover { border-color: var(--brand); }
button.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
button.danger { color: var(--bad); }
button:disabled { opacity: .5; cursor: default; }
input, select { font: inherit; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); }
.bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.bar .grow { flex: 1; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-top: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
svg.chart { width: 100%; height: auto; display: block; }
svg.chart text { fill: var(--muted); font-size: 10px; }
svg.chart .axis { stroke: var(--line); }
.alert { border-left: 3px solid var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); padding: 8px 12px; border-radius: 6px; margin-bottom: 14px; }
.alert.bad { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, transparent); }
.funnel .row { display: grid; grid-template-columns: 240px 1fr 90px; gap: 10px; align-items: center; margin: 8px 0; }
.funnel .track { background: var(--bg); border-radius: 6px; height: 22px; overflow: hidden; }
.funnel .fill { background: var(--brand); height: 100%; }
dialog { border: 1px solid var(--line); border-radius: 14px; padding: 0; background: var(--panel); color: var(--ink); width: min(680px, 94vw); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
dialog .in { padding: 18px 20px; max-height: 84vh; overflow: auto; }
dialog h3 { margin: 0 0 4px; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 4px 12px; margin: 10px 0; font-size: 13px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.login { max-width: 380px; margin: 14vh auto; text-align: center; }
.login h1 { margin-bottom: 4px; }
header.top { display: none; }
.shell { grid-template-columns: 220px minmax(0, 1fr); }
main { min-width: 0; }
.grid > * { min-width: 0; }
@media (max-width: 760px) {
  html, body { font-size: 15px; }
  .shell { display: block; }
  header.top { display: flex; align-items: center; gap: 10px; position: sticky; top: 0; z-index: 20; height: 52px; padding: 0 12px; background: var(--panel); border-bottom: 1px solid var(--line); }
  header.top .logo { width: 22px; height: 22px; border-radius: 6px; background: var(--brand); flex: none; }
  header.top #title { flex: 1; color: var(--muted); font-size: 13px; padding-left: 8px; border-left: 1px solid var(--line); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  header.top .menu { font-size: 20px; line-height: 1; width: 44px; height: 40px; padding: 0; }
  nav.side { display: none; position: fixed; top: 52px; left: 0; right: 0; bottom: 0; z-index: 19; height: auto; padding: 8px 12px 24px; overflow: auto; border: 0; background: var(--panel); }
  .shell.open nav.side { display: block; }
  nav.side h1 { display: none; }
  nav.side a { padding: 14px 12px; font-size: 16px; border-bottom: 1px solid var(--line); border-radius: 0; margin: 0; }
  nav.side .who { margin: 16px 4px 0; padding-top: 0; border: 0; }
  nav.side button { margin: 10px 4px 0; width: calc(100% - 8px); min-height: 44px; }
  main { padding: 16px 12px 48px; }
  main h2 { font-size: 18px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
  .card { padding: 12px; }
  .kpi { font-size: 21px; }
  .kpi small { display: block; margin: 2px 0 0; }
  .panel { padding: 12px; margin-bottom: 14px; overflow-x: hidden; }
  button, .btn, input, select { min-height: 40px; font-size: 16px; }
  .bar { flex-direction: column; align-items: stretch; }
  .bar input, .bar select, .bar button { width: 100%; }
  .alert { font-size: 13px; }
  /* tablas -> tarjetas */
  table.stack, table.stack tbody { display: block; }
  table.stack thead { display: none; }
  table.stack tr { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin-bottom: 8px; background: var(--bg); }
  table.stack td { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; border: 0; padding: 4px 0; text-align: right; word-break: break-word; }
  table.stack td::before { content: attr(data-label); color: var(--muted); font-size: 12px; text-align: left; flex: none; }
  table.stack td:first-child { display: block; text-align: left; font-weight: 600; padding-bottom: 6px; margin-bottom: 2px; border-bottom: 1px solid var(--line); }
  table.stack td:first-child::before { content: none; }
  table.stack td:empty { display: none; }
  .hm { display: none !important; }
  .pill { white-space: normal; }
  /* diálogo a pantalla completa */
  dialog { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0; margin: 0; }
  dialog .in { max-height: none; padding: 16px 14px 28px; }
  dialog .actions button, dialog .actions span { width: 100%; }
  .actions { flex-direction: column; }
  .kv { grid-template-columns: 112px 1fr; }
  .funnel .row { grid-template-columns: 1fr; gap: 4px; }
  .login { margin: 18vh 16px; }
}

/* ---- gráficos adicionales ---- */
.grid2 { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); margin-bottom: 18px; }
.grid2 > .panel { margin-bottom: 0; min-width: 0; }
.spark-wrap { margin-top: 8px; height: 30px; }
svg.spark { display: block; width: 100%; max-width: 140px; height: 30px; }
.donut-wrap { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.donut-wrap svg { flex: none; }
.donut .dn { font-size: 18px; font-weight: 700; fill: var(--ink); }
.donut .dl { font-size: 9px; fill: var(--muted); }
.dleg { list-style: none; margin: 0; padding: 0; flex: 1; min-width: 160px; font-size: 13px; }
.dleg li { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.dleg i { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.dleg span { flex: 1; min-width: 0; }
.dleg b { font-weight: 600; white-space: nowrap; font-size: 12px; }
.hbars .hrow { display: grid; grid-template-columns: minmax(90px, 210px) 1fr auto; gap: 10px; align-items: center; margin: 8px 0; }
.hbars .hl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.hbars .track { background: var(--bg); border-radius: 6px; height: 14px; overflow: hidden; }
.hbars .fill { height: 100%; border-radius: 6px; min-width: 2px; }
.hbars .hv { font-size: 12px; color: var(--muted); white-space: nowrap; }
.fun .fstage { margin-bottom: 8px; }
.fun .fl { display: flex; flex-wrap: wrap; gap: 2px 12px; align-items: baseline; font-size: 13px; margin-bottom: 2px; }
.fun .fl span { color: var(--muted); }
.fun .fl .fc { margin-left: auto; color: var(--brand); font-weight: 600; }
@media (max-width: 760px) {
  .grid2 { gap: 10px; margin-bottom: 14px; }
  .donut-wrap { justify-content: center; }
  .dleg { min-width: 100%; }
  .hbars .hrow { grid-template-columns: 1fr auto; gap: 2px 8px; }
  .hbars .track { grid-column: 1 / -1; order: 3; }
  .fun .fl .fc { margin-left: 0; }
}