/* BI Navegantes — tema claro por defecto; oscuro solo con data-theme="dark".
   Paleta de gráficos validada (dataviz validate_palette.js) contra --surface de cada tema. */
:root {
  color-scheme: light;
  --brand: #1db7d0;              /* teal Navegantes: logo y decoración, nunca texto sobre claro */
  --page: #eaf1f4;
  --surface: #ffffff;            /* superficie opaca: gráficos, tablas, tooltips */
  --surface-2: #f1f6f8;
  --glass: rgba(255, 255, 255, 0.62);       /* header / barra de filtros */
  --glass-card: rgba(255, 255, 255, 0.80);  /* tarjetas (gráficos encima) */
  --glass-line: rgba(255, 255, 255, 0.75);  /* borde interno claro */
  --ink: #0b1a20;
  --ink-2: #3c4b52;
  --muted: #5d6a70;              /* 5.6:1 sobre blanco */
  --grid: #e3eaed;
  --axis: #c2ced3;
  --border: rgba(11, 40, 52, 0.10);
  --border-strong: rgba(11, 40, 52, 0.18);
  --accent: #0e7f93;             /* fondo de botón con texto blanco: 4.7:1 */
  --accent-hover: #0b6f81;
  --on-accent: #ffffff;
  --accent-ink: #0b6f81;         /* texto teal sobre claro: 5.6:1 */
  --accent-wash: rgba(29, 183, 208, 0.13);
  --accent-wash-2: rgba(29, 183, 208, 0.22);
  --focus: #0e7f93;
  --series-1: #0e8ca1;
  --series-2: #eb6834;
  --series-3: #7a5bd6;
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --critical: #d03b3b;
  --critical-text: #b42828;
  --shadow: 0 1px 2px rgba(11, 40, 52, 0.05), 0 8px 24px -12px rgba(11, 40, 52, 0.18);
  --shadow-lg: 0 2px 4px rgba(11, 40, 52, 0.05), 0 18px 48px -18px rgba(11, 40, 52, 0.28);
  --blob-1: rgba(29, 183, 208, 0.22);
  --blob-2: rgba(42, 120, 214, 0.14);
  --blob-3: rgba(29, 183, 208, 0.12);
  --blur: blur(18px) saturate(160%);
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0a1114;
  --surface: #131b20;
  --surface-2: #1a242a;
  --glass: rgba(18, 27, 32, 0.62);
  --glass-card: rgba(19, 27, 32, 0.84);
  --glass-line: rgba(255, 255, 255, 0.07);
  --ink: #f2f7f9;
  --ink-2: #c2ced3;
  --muted: #93a3ab;              /* 6.7:1 sobre --surface */
  --grid: #243037;
  --axis: #34444c;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #1db7d0;             /* con texto oscuro: 6.3:1 */
  --accent-hover: #3cc6dc;
  --on-accent: #062a31;
  --accent-ink: #5fd2e4;
  --accent-wash: rgba(29, 183, 208, 0.14);
  --accent-wash-2: rgba(29, 183, 208, 0.26);
  --focus: #5fd2e4;
  --series-1: #139ab0;
  --series-2: #d95926;
  --series-3: #9b7fe6;
  --good-text: #3bc43b;
  --critical-text: #f07a7a;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px -14px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.3), 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --blob-1: rgba(29, 183, 208, 0.16);
  --blob-2: rgba(42, 120, 214, 0.12);
  --blob-3: rgba(29, 183, 208, 0.07);
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; }
html { background: var(--page); }
body {
  background: var(--page); color: var(--ink); font: 14px/1.5 var(--font);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; min-height: 100vh;
  overflow-x: hidden;
}
/* Fondo con manchas suaves: capa fija aparte para no repintar al scrollear. */
.fondo {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60vw 50vh at 8% -5%, var(--blob-1), transparent 70%),
    radial-gradient(50vw 45vh at 100% 10%, var(--blob-2), transparent 70%),
    radial-gradient(70vw 60vh at 60% 110%, var(--blob-3), transparent 70%),
    var(--page);
}
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 18px; }
h2 { font-size: 15px; line-height: 1.3; }
.muted { color: var(--muted); }
.sec { color: var(--ink-2); }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
kbd {
  font: 600 11px/1 var(--font); color: var(--ink-2); background: var(--surface);
  border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 5px; padding: 2px 5px;
}
.ico { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- superficies glass ---------- */
.top, .filtros, .tabs, .card, .login-card {
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root, :root[data-theme="dark"] { --glass: var(--surface); --glass-card: var(--surface); }
}
@media (prefers-reduced-transparency: reduce) {
  :root, :root[data-theme="dark"] { --glass: var(--surface); --glass-card: var(--surface); }
  .top, .filtros, .tabs, .card, .login-card { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .fondo { background: var(--page); }
}

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-size: 13px; font-weight: 550; color: var(--ink);
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: 10px; padding: 7px 12px; min-height: 36px; cursor: pointer;
  text-decoration: none; white-space: nowrap; transition: background-color .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--surface-2); border-color: var(--axis); }
.btn.primario { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.btn.primario:hover { background: var(--accent-hover); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { background: var(--accent-wash); color: var(--ink); }
.btn:disabled { opacity: .55; cursor: progress; }
.btn:disabled .ico { animation: girar 1s linear infinite; }
.btn-icono { width: 36px; padding: 0; }
@keyframes girar { to { transform: rotate(360deg); } }
.ico-sol { display: none; }
:root[data-theme="dark"] .ico-sol { display: block; }
:root[data-theme="dark"] .ico-luna { display: none; }

/* ---------- header ---------- */
.top {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--glass); border-bottom: 1px solid var(--border);
  box-shadow: inset 0 -1px 0 var(--glass-line);
}
.marca { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; min-width: 0; }
.marca-titulo { display: flex; align-items: center; gap: 8px; line-height: 1; }
.logo { display: block; height: 28px; width: auto; }
.bi-pill {
  display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 999px;
  background: var(--accent); color: var(--on-accent); font-size: 12px; font-weight: 750; letter-spacing: .08em;
  transform: translateY(1px);
}
.estado-carga { color: var(--muted); font-size: 12.5px; padding-left: 16px; border-left: 1px solid var(--border-strong); }
.acciones { display: flex; gap: 8px; align-items: center; }

/* ---------- filtros ---------- */
.filtros {
  position: sticky; top: 0; z-index: 5;
  display: grid; gap: 10px; padding: 12px 24px 12px;
  background: var(--glass); border-bottom: 1px solid var(--border);
  box-shadow: inset 0 1px 0 var(--glass-line), 0 8px 24px -20px rgba(11, 40, 52, .35);
}
.filtros, .periodo { grid-template-columns: minmax(0, 1fr); }
.periodo { display: grid; gap: 8px; min-width: 0; }
.periodo-fila { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.fila-lbl { flex: 0 0 64px; font-size: 12px; font-weight: 600; color: var(--ink-2); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-size: 12.5px; font-weight: 550; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 4px 11px; min-height: 30px; cursor: pointer; white-space: nowrap;
  transition: background-color .12s, border-color .12s, color .12s;
}
.chip .ico { width: 14px; height: 14px; }
.chip:hover { border-color: var(--accent); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.chip[aria-pressed="true"]:hover { background: var(--accent-hover); }
.chips-meses .chip { font-variant-numeric: tabular-nums; }
.chip.mes-actual:not([aria-pressed="true"]) { border-color: var(--accent); color: var(--accent-ink); }
.rango-fechas { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.rango-fechas[hidden] { display: none; }
.rango { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.hint { margin: 0 0 0 76px; font-size: 11.5px; color: var(--muted); }
.hint kbd { margin: 0 1px; }

.dims {
  display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: flex-end;
  padding-top: 10px; border-top: 1px solid var(--border);
}
.dims label { display: flex; flex-direction: column; gap: 3px; font-size: 11.5px; font-weight: 600; color: var(--ink-2); }
.filtros select, .filtros input, .campo {
  font: inherit; font-size: 13px; color: var(--ink); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--r-sm); padding: 6px 9px; min-height: 34px;
  min-width: 120px; max-width: 220px; transition: border-color .12s, box-shadow .12s;
}
.filtros input[type="date"] { min-width: 0; }
.filtros select:hover, .campo:hover { border-color: var(--axis); }
.filtros select:focus-visible, .filtros input:focus-visible, .campo:focus-visible {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash-2);
}
.dims .btn.ghost { margin-left: auto; }

/* ---------- pestañas ---------- */
.tabs-wrap { padding: 14px 24px 0; max-width: 1648px; margin: 0 auto; }
.tabs {
  display: flex; gap: 2px; padding: 4px; overflow-x: auto; scrollbar-width: none;
  background: var(--glass); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: inset 0 1px 0 var(--glass-line); width: max-content; max-width: 100%;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs button {
  font: inherit; font-size: 13.5px; font-weight: 550; background: none; border: 0; border-radius: 9px;
  padding: 7px 14px; color: var(--ink-2); cursor: pointer; white-space: nowrap; transition: background-color .12s, color .12s;
}
.tabs button:hover { color: var(--ink); background: var(--accent-wash); }
.tabs button[aria-selected="true"] { color: var(--on-accent); background: var(--accent); font-weight: 650; box-shadow: 0 1px 3px rgba(11, 40, 52, .2); }

/* ---------- contenido ---------- */
.contenido { padding: 14px 24px 56px; display: grid; gap: 16px; max-width: 1648px; margin: 0 auto; transition: opacity .15s; }
.contenido.cargando { opacity: .55; }
.contenido > *, .grid > * { min-width: 0; }
.periodo-txt { font-size: 13px; color: var(--ink-2); }
.periodo-txt::before {
  content: ""; display: inline-block; vertical-align: middle; margin: -2px 8px 0 0; width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}

.card {
  background: var(--glass-card); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 18px; min-width: 0; box-shadow: var(--shadow), inset 0 1px 0 var(--glass-line);
}
.card-head { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.card-head p { margin: 3px 0 0; font-size: 12.5px; color: var(--muted); max-width: 90ch; }

.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* ---------- tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.tile {
  position: relative; background: var(--glass-card); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 13px 15px 12px; box-shadow: var(--shadow), inset 0 1px 0 var(--glass-line); min-width: 0;
}
.tile .lbl { font-size: 12px; font-weight: 600; color: var(--ink-2); }
.tile .val { font-size: 25px; font-weight: 650; margin-top: 4px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1.15; }
.tile .val small { font-size: 12.5px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.tile .delta { font-size: 12px; margin-top: 4px; color: var(--muted); }
.tile .delta.up { color: var(--good-text); }
.tile .delta.down { color: var(--critical-text); }
.tile.hero {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--accent-wash-2), transparent 70%), var(--glass-card);
  border-color: color-mix(in srgb, var(--brand) 35%, var(--border));
}
.tile.hero::before {
  content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 0 3px 3px 0; background: var(--brand);
}
.tile.hero .val { font-size: 44px; letter-spacing: -0.03em; }

/* ---------- gráficos y tablas: superficie más opaca ---------- */
.chart-box { position: relative; height: 260px; }
.chart-box.alto { height: 340px; }

.tabla-wrap {
  overflow: auto; max-height: 640px; border-radius: var(--r-sm);
  background: var(--surface); border: 1px solid var(--border);
}
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 8px 11px; text-align: left; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th {
  position: sticky; top: 0; background: var(--surface-2); font-weight: 650; color: var(--ink-2); font-size: 12px;
  cursor: pointer; user-select: none; z-index: 1;
}
th:hover { color: var(--ink); }
th[aria-sort] { color: var(--accent-ink); }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
th[aria-sort="descending"]::after { content: " ↓"; }
th[aria-sort="ascending"]::after { content: " ↑"; }
tbody tr:nth-child(even) { background: color-mix(in srgb, var(--surface-2) 45%, transparent); }
tbody tr:hover { background: var(--accent-wash); }
tbody tr:last-child td { border-bottom: 0; }
tfoot td { font-weight: 650; border-top: 1px solid var(--axis); border-bottom: 0; background: var(--surface-2); position: sticky; bottom: 0; }

.estado { display: inline-flex; align-items: center; gap: 6px; }
.estado::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.estado.ok::before { background: var(--good); }
.estado.med::before { background: var(--warning); }
.estado.bajo::before { background: var(--critical); }
.leyenda-estado { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12px; color: var(--ink-2); margin-bottom: 10px; }

.meter { position: relative; height: 8px; border-radius: 4px; background: var(--accent-wash); min-width: 120px; overflow: hidden; }
.meter > span { position: absolute; inset: 0 auto 0 0; border-radius: 4px; background: var(--accent); }
.meter.ok > span { background: var(--good); }
.meter.med > span { background: var(--warning); }
.meter.bajo > span { background: var(--critical); }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.toolbar label.sec { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; }
.nota { font-size: 12px; color: var(--muted); margin: 8px 0 0; }
.aviso { padding: 12px 16px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--brand); color: var(--ink); font-size: 13px; box-shadow: var(--shadow); }
.aviso.error { border-left-color: var(--critical); }
.vacio {
  display: grid; place-items: center; gap: 8px; min-height: 200px; padding: 32px 16px; text-align: center;
  color: var(--muted); font-size: 13px; border: 1px dashed var(--border-strong); border-radius: var(--r-md);
  background: color-mix(in srgb, var(--surface) 60%, transparent);
}
.vacio::before {
  content: ""; width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-wash) center / 18px no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e8ca1' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 19h16M7 15v-3M12 15V8M17 15v-5'/%3E%3C/svg%3E");
}
td .vacio, .tabla-wrap .vacio { min-height: 0; border: 0; }

.tooltip {
  position: fixed; pointer-events: none; z-index: 50; background: var(--surface); color: var(--ink);
  border: 1px solid var(--border-strong); border-radius: var(--r-sm); padding: 8px 10px; font-size: 12px; box-shadow: var(--shadow-lg);
}

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: 100%; max-width: 380px; display: grid; gap: 10px; padding: 28px 28px 26px;
  background: var(--glass-card); border: 1px solid var(--border); border-radius: 20px;
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--glass-line);
}
.login-marca { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.login-marca .logo { height: 34px; }
.login-sub { margin: 0 0 8px; color: var(--ink-2); font-size: 13px; }
.login-card label { font-size: 12px; font-weight: 600; color: var(--ink-2); }
.login-card input {
  font: inherit; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--ink);
}
.login-card input:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash-2); }
.login-card .btn { min-height: 42px; margin-top: 6px; font-size: 14px; }
.error { color: var(--critical-text); margin: 0; font-size: 13px; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hint { margin-left: 0; }
  .fila-lbl { flex-basis: 100%; }
}
@media (max-width: 640px) {
  .top, .filtros { padding-left: 16px; padding-right: 16px; }
  .tabs-wrap { padding: 12px 16px 0; }
  .contenido { padding: 12px 16px 40px; }
  .g2, .g3 { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .marca { gap: 4px 12px; }
  .estado-carga { padding-left: 0; border-left: 0; flex-basis: 100%; }
  .btn span { display: none; }
  #btn-refrescar { width: 36px; padding: 0; }
  .filtros { position: static; }
  .chips { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 -16px; padding: 0 16px 2px; max-width: calc(100% + 32px); }
  .chips::-webkit-scrollbar { display: none; }
  .hint { display: none; }
  .dims label { flex: 1 1 140px; }
  .dims .btn.ghost { margin-left: 0; }
  .filtros select, .filtros input { max-width: none; width: 100%; }
  .tile .val { font-size: 21px; }
  .tile.hero .val { font-size: 34px; }
  .card { padding: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
.fila-vacia td { padding: 36px 16px; text-align: center; color: var(--muted); white-space: normal; background: var(--surface); }