:root {
  --bg-1: #0b1220;
  --bg-2: #0f1729;
  --panel: #131c30;
  --panel-2: #1c2842;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --txt: #e6ebf5;
  --txt-2: #aab2c5;
  --muted: #6b7891;
  --accent: #38bdf8;
  --accent-2: #0ea5e9;
  --good: #22c55e;
  --warn: #fbbf24;
  --bad: #ef4444;
  --violet: #c084fc;
  --pink: #f472b6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0,0,0,0.25);
}

* { box-sizing: border-box; }

body {
  margin: 0; min-height: 100vh;
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
  color: var(--txt);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, select, input { font: inherit; color: var(--txt); }
button { cursor: pointer; }

/* === Header / Nav === */
.app-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,18,32,0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.app-header__inner { padding: 0 22px; max-width: 1500px; margin: 0 auto; }
.app-header__row1 { display: flex; align-items: center; gap: 18px; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--violet));
  box-shadow: 0 4px 14px rgba(56,189,248,0.35);
}
.brand h1 { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: .2px; white-space: nowrap; }
.brand small { color: var(--muted); margin-left: 6px; font-weight: 400; }
.app-nav { display: flex; gap: 2px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.app-nav::-webkit-scrollbar { display: none; }
.app-nav a {
  color: var(--txt-2); padding: 8px 14px; border-radius: 8px;
  font-weight: 500; white-space: nowrap;
}
.app-nav a:hover { background: var(--panel); color: var(--txt); text-decoration: none; }
.app-nav a.active {
  background: var(--panel-2); color: var(--txt);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

/* === Toolbar (filtros) === */
.toolbar {
  display: flex; gap: 10px; padding: 10px 0 12px;
  align-items: center; flex-wrap: wrap;
  border-top: 1px solid var(--border);
}
.toolbar form { display: contents; }
.field {
  display: flex; align-items: center; gap: 4px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 2px 4px 2px 10px;
}
.field:focus-within { border-color: var(--accent); }
.field label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .6px; }
.field input, .field select {
  background: transparent; border: 0; padding: 7px 4px; outline: none;
  font-variant-numeric: tabular-nums;
}
.field input[type=date] { color-scheme: dark; }
.field select { padding-right: 24px; }
.quickranges { display: flex; gap: 4px; }
.quickranges button {
  background: var(--panel); color: var(--txt-2);
  border: 1px solid var(--border); padding: 7px 10px;
  border-radius: 7px; font-size: 12px;
}
.quickranges button:hover { color: var(--txt); border-color: var(--accent); }
.quickranges button.on { background: var(--panel-2); color: var(--txt); border-color: var(--accent); }
.btn {
  background: var(--accent); color: #0b1220; border: 0;
  padding: 8px 18px; border-radius: 8px; font-weight: 600;
}
.btn:hover { background: var(--accent-2); }
.btn-ghost {
  background: var(--panel); color: var(--txt); border: 1px solid var(--border);
  padding: 7px 12px; border-radius: 8px;
}
.btn-ghost:hover { border-color: var(--accent); }

/* Lists popover */
.lists-pop { position: relative; }
.lists-pop > summary {
  list-style: none; cursor: pointer; user-select: none;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; font-size: 13px;
  display: inline-flex; gap: 6px; align-items: center;
}
.lists-pop > summary::-webkit-details-marker { display: none; }
.lists-pop > summary:hover { border-color: var(--accent); }
.lists-pop > summary .badge {
  background: var(--accent); color: #0b1220; padding: 1px 7px;
  border-radius: 999px; font-size: 11px; font-weight: 600;
}
.lists-popover {
  position: absolute; top: calc(100% + 6px); left: 0;
  background: var(--panel); border: 1px solid var(--border-strong);
  border-radius: 12px; padding: 12px; box-shadow: var(--shadow);
  min-width: 360px; max-width: 480px; max-height: 70vh;
  overflow: auto; z-index: 60;
}
.lists-popover h4 {
  margin: 0 0 10px; font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .6px;
}
.lists-popover .actions { display: flex; gap: 6px; margin-bottom: 10px; }
.lists-popover .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.lists-popover label {
  display: flex; gap: 8px; align-items: center;
  padding: 5px 8px; border-radius: 6px; font-size: 13px;
}
.lists-popover label:hover { background: var(--panel-2); }

/* === Main === */
main { padding: 22px; max-width: 1500px; margin: 0 auto; }
.page-title { margin: 0 0 20px; }
.page-title h2 { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: -.2px; }
.page-title .meta { color: var(--muted); font-size: 13px; margin-top: 6px; }
.page-title .meta strong { color: var(--txt-2); }

/* === KPIs === */
.kpis {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 22px;
}
.kpi {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  position: relative; overflow: hidden;
}
.kpi::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--accent);
}
.kpi.alt::before { background: var(--good); }
.kpi.alt2::before { background: var(--warn); }
.kpi.alt3::before { background: var(--violet); }
.kpi .lbl {
  color: var(--muted); font-size: 11px; text-transform: uppercase;
  letter-spacing: .8px; margin-bottom: 6px;
}
.kpi .val { font-size: 28px; font-weight: 700; line-height: 1.1; }
.kpi .sub { color: var(--txt-2); font-size: 12px; margin-top: 6px; }

/* === Panels === */
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; margin-bottom: 22px;
}
.panel-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 16px; gap: 12px; flex-wrap: wrap;
}
.panel-head h3 { margin: 0; font-size: 17px; font-weight: 600; }
.panel-head .sub { color: var(--muted); font-size: 12px; }

/* Chart */
.chart-wrap { position: relative; width: 100%; height: 320px; }
.chart-wrap.tall { height: 420px; }
.chart-wrap.short { height: 240px; }

/* Layout helpers */
.row-2 { display: grid; gap: 22px; grid-template-columns: 1fr 1fr; }
.row-3 { display: grid; gap: 22px; grid-template-columns: 1.4fr 1fr; }
@media (max-width: 980px) { .row-2, .row-3 { grid-template-columns: 1fr; } }

/* === Tables === */
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th {
  color: var(--muted); font-weight: 500; font-size: 11px;
  text-transform: uppercase; letter-spacing: .6px;
  padding: 10px 12px; text-align: left;
  border-bottom: 1px solid var(--border);
  background: var(--panel); position: sticky; top: 0;
}
table.tbl th.sortable { cursor: pointer; user-select: none; }
table.tbl th.sortable:hover { color: var(--txt); }
table.tbl th.sortable::after { content: " ⇅"; opacity: .4; font-size: 10px; }
table.tbl th.sortable.asc::after  { content: " ↑"; opacity: 1; color: var(--accent); }
table.tbl th.sortable.desc::after { content: " ↓"; opacity: 1; color: var(--accent); }
table.tbl td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
table.tbl tr:hover td { background: rgba(255,255,255,0.025); }
table.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
table.tbl .strong { font-weight: 600; color: var(--txt); }
table.tbl tfoot th {
  font-weight: 700; color: var(--txt);
  background: var(--panel-2); border-bottom: 0;
  position: static; padding: 12px;
}
.bar-cell { position: relative; }
.bar-cell .bar {
  display: block; height: 4px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  margin-top: 4px; opacity: .85;
}

/* === Chips === */
.chip {
  display: inline-block; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 999px; padding: 3px 10px; font-size: 12px;
  margin: 1px 2px;
}
.chip.good { background: rgba(34,197,94,.16); border-color: rgba(34,197,94,.35); color: #86efac; }
.chip.warn { background: rgba(251,191,36,.14); border-color: rgba(251,191,36,.35); color: #fde68a; }
.chip.muted { background: transparent; color: var(--muted); }

/* Empty state */
.empty {
  text-align: center; padding: 50px 20px; color: var(--muted);
  background: var(--panel); border: 1px dashed var(--border-strong);
  border-radius: var(--radius); margin-bottom: 22px;
}
.empty .icon { font-size: 36px; margin-bottom: 10px; opacity: .6; }

/* Misc */
.muted { color: var(--muted); }
.help-text { color: var(--muted); font-size: 12px; margin-top: 8px; }
hr.sep { border: 0; border-top: 1px solid var(--border); margin: 18px 0; }

/* Footer */
.app-footer {
  padding: 18px; color: var(--muted);
  border-top: 1px solid var(--border); font-size: 12px;
  text-align: center; max-width: 1500px; margin: 0 auto;
}

/* === Responsive === */
@media (max-width: 720px) {
  .app-header__inner { padding: 0 14px; }
  main { padding: 14px; }
  .panel { padding: 16px; }
  .page-title h2 { font-size: 20px; }
  .kpi .val { font-size: 22px; }
  .toolbar { gap: 6px; }
  .quickranges button { padding: 6px 8px; font-size: 11px; }
  .field { padding: 1px 4px 1px 8px; }
  .field input, .field select { padding: 6px 2px; }
  .lists-popover { min-width: 280px; }
  .lists-popover .grid { grid-template-columns: 1fr; }
  .chart-wrap { height: 260px; }
  .chart-wrap.tall { height: 320px; }
  table.tbl { font-size: 12px; }
  table.tbl th, table.tbl td { padding: 8px 10px; }
}