:root {
  --navy: #0c2340;
  --navy-mid: #1c4468;
  --steel: #445b72;
  --silver: #b9c4ce;
  --line: #e2e7ee;
  --bg: #f5f7fa;
  --ink: #16202b;
  --muted: #6b7a8c;
  --ok: #1e8a5f;
  --bad: #b4413a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy-mid); }

.muted { color: var(--muted); }
.small { font-size: 0.78rem; }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 0.82rem; }
.empty { color: var(--muted); font-size: 0.85rem; padding: 10px 0; }

/* ---------- Marca ---------- */
.brand { display: flex; align-items: center; gap: 10px; }
.brand .mark {
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--navy);
  font-size: 0.95rem;
}
.brand .divider { width: 1px; height: 16px; background: var(--line); }
.brand .sub { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

/* ---------- Login ---------- */
body.centered {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1200px 500px at 50% -10%, #eaf0f6 0%, transparent 60%),
    var(--bg);
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 1px 2px rgba(12, 35, 64, 0.04);
}

.auth-card { width: 100%; max-width: 400px; padding: 30px; }
.auth-card h1 { font-size: 1.15rem; margin: 18px 0 4px; letter-spacing: -0.01em; }
.auth-card .muted { font-size: 0.85rem; margin: 0 0 20px; }

.stack { display: grid; gap: 14px; }
.stack label { display: grid; gap: 6px; font-size: 0.8rem; font-weight: 600; color: var(--steel); }

input[type="text"], input[type="password"], input:not([type]) {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 9px;
  font: inherit;
  font-size: 0.92rem;
  background: #fbfcfe;
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus {
  outline: none;
  border-color: var(--silver);
  box-shadow: 0 0 0 3px rgba(185, 196, 206, 0.35);
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 11px 18px;
  border: 0;
  border-radius: 9px;
  background: var(--navy);
  color: #fff;
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.08s;
}
.btn:hover { background: var(--navy-mid); }
.btn:active { transform: translateY(1px); }

.alert { padding: 10px 13px; border-radius: 9px; font-size: 0.84rem; margin: 0 0 16px; }
.alert.error { background: #fdf1f0; color: var(--bad); border: 1px solid #f3d6d3; }
.alert.ok    { background: #eef8f3; color: var(--ok); border: 1px solid #cfe9dc; }
.alert.warn  { background: #fdf8ec; color: #8a6a1f; border: 1px solid #f0e2c2; }

.auth-card .foot { margin: 22px 0 0; font-size: 0.72rem; color: var(--muted); line-height: 1.5; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 62px;
}

.wrap { width: min(1180px, 100% - 40px); margin: 0 auto; }

.ranges { display: flex; gap: 4px; margin-left: auto; }
.ranges a {
  padding: 7px 13px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
}
.ranges a:hover { background: #eef2f7; color: var(--navy); }
.ranges a.on { background: var(--navy); color: #fff; }

.who { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--muted); }
.who .sep { width: 1px; height: 14px; background: var(--line); }
.who .name { font-weight: 600; color: var(--steel); }
.who .logout { color: var(--muted); text-decoration: none; }
.who .logout:hover { color: var(--bad); }
.live { display: inline-flex; align-items: center; gap: 6px; }
.live .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #24b47e;
  box-shadow: 0 0 0 0 rgba(36, 180, 126, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(36, 180, 126, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(36, 180, 126, 0); }
  100% { box-shadow: 0 0 0 0 rgba(36, 180, 126, 0); }
}

/* ---------- Cabecera de página ---------- */
main.wrap { padding: 26px 0 40px; }
.page-head { margin-bottom: 20px; }
.page-head h1 { margin: 0 0 4px; font-size: 1.45rem; letter-spacing: -0.02em; }
.page-head p { margin: 0; font-size: 0.83rem; }

/* ---------- KPIs ---------- */
.kpis {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.kpi {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  display: grid;
  gap: 4px;
}
.kpi-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; }
.kpi strong { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.kpi.accent { background: var(--navy); border-color: var(--navy); }
.kpi.accent .kpi-label { color: var(--silver); }
.kpi.accent strong { color: #fff; }
.kpi.accent .delta { color: var(--silver); }

.delta { font-size: 0.74rem; font-weight: 600; color: var(--muted); }
.delta.up { color: var(--ok); }
.delta.down { color: var(--bad); }

/* ---------- Tarjetas / grid ---------- */
.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.card-head h2 { margin: 0; font-size: 0.9rem; font-weight: 700; letter-spacing: 0.01em; }
.legend { font-size: 0.74rem; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 9px; height: 3px; border-radius: 2px; background: var(--navy); }

.card.wide { margin-bottom: 16px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

/* ---------- Gráfico ---------- */
.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: #eef2f6; stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 10px; font-family: inherit; }
.chart .dot { fill: #fff; stroke: var(--navy); stroke-width: 2; }

/* ---------- Barras ---------- */
.bars { display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: minmax(0, 1fr) 84px 44px; align-items: center; gap: 10px; }
.bar-label {
  font-size: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--steel);
}
.bar-track { height: 7px; background: #eef2f7; border-radius: 999px; overflow: hidden; }
.bar-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--navy), var(--navy-mid)); border-radius: 999px; }
.bar-value { font-size: 0.78rem; font-weight: 700; text-align: right; color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- Donut ---------- */
.donut-wrap { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.donut {
  width: 132px; height: 132px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}
.donut-hole {
  width: 92px; height: 92px;
  border-radius: 50%;
  background: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  line-height: 1.1;
}
.donut-hole b { font-size: 1.15rem; display: block; }
.donut-hole small { font-size: 0.62rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.donut-legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 0.82rem; }
.donut-legend li { display: flex; align-items: center; gap: 8px; color: var(--steel); }
.donut-legend i { width: 9px; height: 9px; border-radius: 3px; }
.donut-legend b { margin-left: auto; color: var(--ink); }

/* ---------- Listas y pills ---------- */
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid #f1f4f8;
  font-size: 0.82rem;
  color: var(--steel);
}
.list li:last-child { border-bottom: 0; }
.list li b { color: var(--ink); font-variant-numeric: tabular-nums; }
.list li em { display: block; font-style: normal; font-size: 0.72rem; color: var(--muted); }

.pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
  background: #eef2f7;
  color: var(--steel);
}

/* ---------- Tabla ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th {
  text-align: left;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  font-weight: 700;
  padding: 0 10px 9px 0;
  border-bottom: 1px solid var(--line);
}
td { padding: 9px 10px 9px 0; border-bottom: 1px solid #f1f4f8; color: var(--steel); }
tbody tr:last-child td { border-bottom: 0; }
td.mono { color: var(--ink); }

.foot { font-size: 0.74rem; color: var(--muted); padding-top: 8px; }
.foot a { color: var(--steel); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .topbar .wrap { height: auto; flex-wrap: wrap; gap: 10px; padding: 10px 0; }
  .ranges { margin-left: 0; order: 3; width: 100%; }
  .who { margin-left: auto; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: minmax(0, 1fr) 60px 40px; }
  .page-head h1 { font-size: 1.2rem; }
}