/* ====================================================================
   Observatorio Lázaro v2 — hoja de estilos
   Diseño editorial: tipografía serif para palabras, sans para interfaz.
   ==================================================================== */

:root {
  --bg: #faf7f2;
  --bg-card: #ffffff;
  --bg-soft: #f1ece3;
  --ink: #1f2430;
  --ink-soft: #5b6172;
  --ink-faint: #9aa0b0;
  --accent: #b3382f;
  --accent-soft: #f6e3e1;
  --link: #1f5673;
  --border: #e4ddd0;
  --mark: #f9e8a8;
  --ok: #2e7d52;
  --shadow: 0 1px 3px rgba(31, 36, 48, .07), 0 4px 16px rgba(31, 36, 48, .05);
  --radius: 12px;
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg: #16181f;
  --bg-card: #1f222c;
  --bg-soft: #262a36;
  --ink: #e8e6e1;
  --ink-soft: #aab0bf;
  --ink-faint: #6d7384;
  --accent: #e07a6a;
  --accent-soft: #3a2724;
  --link: #7db8d8;
  --border: #32384a;
  --mark: #5c4d1d;
  --ok: #66bb8a;
  --shadow: 0 1px 3px rgba(0, 0, 0, .4);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* red de seguridad contra desbordes horizontales en móvil */
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

mark { background: var(--mark); color: inherit; padding: 0 2px; border-radius: 3px; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.2; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- Cabecera ---------- */

.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 60px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.brand .brand-dot { color: var(--accent); }

.main-nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; align-items: center; }

.main-nav a {
  color: var(--ink-soft);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 500;
}
.main-nav a:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.main-nav a.active { color: var(--accent); font-weight: 600; }

.nav-toggle { display: none; background: none; border: none; color: var(--ink); font-size: 1.5rem; cursor: pointer; padding: 4px 10px; }

.theme-toggle {
  background: none; border: 1px solid var(--border); color: var(--ink-soft);
  border-radius: 8px; cursor: pointer; padding: 5px 10px; font-size: 1rem; line-height: 1;
}
.theme-toggle:hover { background: var(--bg-soft); }

@media (max-width: 820px) {
  .nav-toggle { display: block; margin-left: auto; }
  .main-nav { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; padding-bottom: 12px; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 12px; }
}

/* ---------- Héroe ---------- */

.hero { padding: 56px 0 28px; text-align: center; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin: 0 0 8px; }
.hero .tagline { color: var(--ink-soft); font-size: 1.15rem; margin: 0 auto 24px; max-width: 640px; }

.hero-search { max-width: 560px; margin: 0 auto; position: relative; }

/* ---------- Buscador con autocompletado ---------- */

.searchbox { display: flex; gap: 8px; }
.searchbox input[type="search"], .searchbox input[type="text"] {
  flex: 1;
  min-width: 0; /* permite encoger por debajo del placeholder en móvil */
  padding: 12px 16px;
  font-size: 1.05rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--ink);
  outline: none;
  font-family: var(--font-sans);
}
.searchbox input:focus { border-color: var(--accent); }
.searchbox button {
  padding: 12px 22px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.searchbox button:hover { filter: brightness(1.1); }

.autocomplete-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  list-style: none;
  margin: 0; padding: 6px;
  z-index: 40;
  text-align: left;
  max-height: 320px;
  overflow-y: auto;
}
.autocomplete-list li { padding: 8px 12px; border-radius: 8px; cursor: pointer; display: flex; justify-content: space-between; gap: 12px; }
.autocomplete-list li:hover, .autocomplete-list li.sel { background: var(--bg-soft); }
.autocomplete-list li .word { font-style: italic; font-family: var(--font-serif); }
.autocomplete-list li .freq { color: var(--ink-faint); font-size: .85rem; }

/* ---------- Contadores ---------- */

.counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 36px 0; }
@media (max-width: 480px) {
  .counters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .counter-card { padding: 12px 6px; }
  /* Cifras largas (250.715.640) sin desbordar la tarjeta. */
  .counter-card .num { font-size: clamp(.95rem, 4.6vw, 1.3rem); letter-spacing: -.02em; white-space: nowrap; }
  .counter-card .label { font-size: .75rem; }
}

.counter-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--shadow);
}
.counter-card .num { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--accent); }
.counter-card .label { color: var(--ink-soft); font-size: .9rem; margin-top: 2px; }

/* ---------- Tarjetas y secciones ---------- */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}

.section-title { font-size: 1.5rem; margin: 38px 0 6px; }
.section-sub { color: var(--ink-soft); margin: 0 0 18px; }

/* ---------- Pestañas ---------- */

.tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tabs button {
  background: none; border: none; cursor: pointer;
  padding: 9px 14px; font-size: .95rem; font-weight: 500;
  color: var(--ink-soft); font-family: var(--font-sans);
  border-bottom: 2.5px solid transparent; margin-bottom: -1px;
}
.tabs button:hover { color: var(--ink); }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Nube / listas de palabras ---------- */

.word-cloud { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: baseline; }
.word-cloud a { font-family: var(--font-serif); font-style: italic; color: var(--link); }
.word-cloud .meta { color: var(--ink-faint); font-size: .78rem; font-style: normal; font-family: var(--font-sans); margin-left: 3px; }

.word-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px 18px; }
.word-grid .item { display: flex; justify-content: space-between; gap: 8px; padding: 4px 0; border-bottom: 1px dashed var(--border); }
.word-grid .item a { font-style: italic; font-family: var(--font-serif); }
.word-grid .item .n { color: var(--ink-faint); font-size: .85rem; white-space: nowrap; }

/* ---------- Tablas ---------- */

.table-wrap { overflow-x: auto; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: .93rem;
}
table.data th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
  color: var(--ink-soft);
  font-weight: 600;
  white-space: nowrap;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
table.data th.th-srv a { color: inherit; text-decoration: none; }
table.data th.th-srv a:hover { color: var(--accent); }
table.data th.th-srv .arr { opacity: .35; font-size: .85em; }
table.data th.th-srv-active a, table.data th.th-srv-active .arr { color: var(--accent); opacity: 1; }
table.data th.th-sortable { cursor: pointer; user-select: none; }
table.data th.th-sortable:hover { color: var(--accent); }
table.data th.th-sortable::after { content: " ⇅"; opacity: .35; font-size: .75em; }
table.data th.sorted-asc::after { content: " ↑"; opacity: 1; }
table.data th.sorted-desc::after { content: " ↓"; opacity: 1; }
table.data td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data tr:hover td { background: var(--bg-soft); }
table.data .ctx { font-style: italic; color: var(--ink-soft); }
table.data .word-cell { font-family: var(--font-serif); font-style: italic; white-space: nowrap; }
table.data .nowrap { white-space: nowrap; }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data th.num { text-align: right; }

/* ---------- Formularios de filtros ---------- */

.filter-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.filter-form .field { display: flex; flex-direction: column; gap: 4px; }
.filter-form label { font-size: .8rem; font-weight: 600; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .03em; }
.filter-form select, .filter-form input {
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--ink);
  font-size: .95rem;
  font-family: var(--font-sans);
  min-width: 140px;
}
.filter-form select:focus, .filter-form input:focus { border-color: var(--accent); outline: none; }

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  font-family: var(--font-sans);
}
.btn:hover { filter: brightness(1.1); text-decoration: none; color: #fff; }
.btn.secondary { background: var(--bg-soft); color: var(--ink); border: 1px solid var(--border); }
.btn.small { padding: 5px 12px; font-size: .85rem; }

/* ---------- Paginación ---------- */

.pagination { display: flex; gap: 6px; flex-wrap: wrap; margin: 22px 0; align-items: center; }
.pagination a, .pagination span.cur, .pagination span.dots {
  padding: 6px 12px; border-radius: 8px; font-size: .9rem;
}
.pagination a { background: var(--bg-card); border: 1px solid var(--border); }
.pagination a:hover { background: var(--bg-soft); text-decoration: none; }
.pagination span.cur { background: var(--accent); color: #fff; font-weight: 600; }
.pagination span.dots { color: var(--ink-faint); }
.pagination .total { margin-left: auto; color: var(--ink-soft); font-size: .9rem; }

/* ---------- Ficha de palabra ---------- */

.word-hero { padding: 40px 0 10px; }
.word-hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  font-style: italic;
  margin: 0;
}
.word-hero .badges { margin: 10px 0 0; display: flex; gap: 8px; flex-wrap: wrap; }

.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 99px;
  font-size: .82rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
}
.badge.neutral { background: var(--bg-soft); color: var(--ink-soft); }
.badge.green { background: rgba(46,125,82,.12); color: var(--ok); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin: 26px 0; }
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .stat .v { font-size: 1.15rem; }
  .stat .k { font-size: .75rem; }
}
.stat {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.stat .v { font-family: var(--font-serif); font-size: 1.45rem; font-weight: 700; }
.stat .k { color: var(--ink-soft); font-size: .82rem; }

.forms-list { display: flex; flex-wrap: wrap; gap: 8px; }
.forms-list .form-chip {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 99px;
  padding: 4px 14px; font-style: italic; font-family: var(--font-serif); font-size: .95rem;
}
.forms-list .form-chip .n { color: var(--ink-faint); font-size: .78rem; font-style: normal; font-family: var(--font-sans); }

/* ---------- Gráficas ---------- */

.chart-box { position: relative; height: 380px; }
.chart-box.short { height: 280px; }
@media (max-width: 640px) {
  .chart-box, .chart-box.short { height: 300px; }
  /* En móvil, la tarjeta cede su relleno lateral para que la gráfica respire. */
  .card.chart-card { padding: 16px 8px; }
}

.chart-controls { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
.chart-controls .seg {
  display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.chart-controls .seg button {
  background: var(--bg-card); border: none; padding: 6px 13px; cursor: pointer;
  color: var(--ink-soft); font-size: .85rem; font-family: var(--font-sans);
}
.chart-controls .seg button.active { background: var(--accent); color: #fff; font-weight: 600; }
.chart-controls .seg button:not(:last-child) { border-right: 1px solid var(--border); }

/* ---------- Barras de distribución (perfil de uso) ---------- */

.dist-list { display: flex; flex-direction: column; gap: 18px; }
.dist-row .lbl {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: .82rem; font-weight: 600; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: .03em; margin-bottom: 7px;
}
.dist-bar { display: flex; height: 22px; border-radius: 8px; overflow: hidden; background: var(--bg-soft); }
.dist-bar .seg { display: block; height: 100%; min-width: 0; }
.seg-a { background: var(--accent); }
.seg-b { background: var(--link); }
.seg-c { background: var(--ink-faint); }
.dist-legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 7px; font-size: .82rem; color: var(--ink-soft); }
.dist-legend .dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 3px;
  margin-right: 5px; vertical-align: -1px;
}

/* ---------- Barras horizontales (medios/secciones) ---------- */

.hbar-list { display: flex; flex-direction: column; gap: 9px; }
.hbar { display: grid; grid-template-columns: 150px 1fr 70px; gap: 10px; align-items: center; font-size: .9rem; }
.hbar .name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hbar .track { display: block; background: var(--bg-soft); border-radius: 6px; height: 18px; overflow: hidden; }
.hbar .fill { display: block; background: var(--accent); height: 100%; border-radius: 6px; min-width: 2px; }
.hbar .val { text-align: right; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
@media (max-width: 560px) { .hbar { grid-template-columns: 100px 1fr 60px; } }

/* ---------- Alertas ---------- */

.alert {
  padding: 12px 16px; border-radius: var(--radius); font-size: .92rem;
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--ink-soft);
  margin: 14px 0;
}
.alert.warn { background: var(--accent-soft); border-color: var(--accent); color: var(--ink); }

/* ---------- Letras del lexicón ---------- */

.alphabet { display: flex; flex-wrap: wrap; gap: 5px; margin: 16px 0; }
.alphabet a, .alphabet span.cur {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 34px; border-radius: 8px;
  font-weight: 600; font-size: .95rem;
}
.alphabet a { background: var(--bg-card); border: 1px solid var(--border); }
.alphabet a:hover { background: var(--bg-soft); text-decoration: none; }
.alphabet span.cur { background: var(--accent); color: #fff; }

/* ---------- Pie ---------- */

.site-footer {
  margin-top: 60px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  padding: 28px 0;
  color: var(--ink-soft);
  font-size: .9rem;
}
.site-footer .container { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Utilidades ---------- */

.muted { color: var(--ink-soft); }
.small { font-size: .85rem; }
.mt0 { margin-top: 0; }
.mb0 { margin-bottom: 0; }
.text-center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 820px) { .grid-2 { grid-template-columns: 1fr; } }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 10px; top: 10px; background: var(--bg-card); padding: 8px 14px; z-index: 100; border-radius: 8px; }

@media print {
  .site-header, .site-footer, .filter-form, .pagination, .tabs { display: none !important; }
}