/* DuElo: dos colores enfrentados (--a coral, --b añil) sobre una base neutra clara/oscura. */
:root {
  --bg: #f1efea;
  --surface: #ffffff;
  --ink: #18202e;
  --muted: #5d6573;
  --line: #dcd8cf;
  --a: #e2493b;
  --a-soft: #fbe5e1;
  --b: #3b5be2;
  --b-soft: #e2e8fc;
  --accent: #18202e;
  --on-accent: #ffffff;
  --ok: #17845a;
  --warn: #b5470e;
  /* Series de la gráfica (paleta categórica validada para daltonismo, en este orden) */
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4;
  --display: "Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;
  --body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151c; --surface: #1b2029; --ink: #ebeef3; --muted: #9aa3b2; --line: #2c3340;
    --a: #ff6b5c; --a-soft: #3a2220; --b: #7d95ff; --b-soft: #1f2744;
    --accent: #ebeef3; --on-accent: #12151c; --ok: #4cc993; --warn: #f39a63;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12151c; --surface: #1b2029; --ink: #ebeef3; --muted: #9aa3b2; --line: #2c3340;
  --a: #ff6b5c; --a-soft: #3a2220; --b: #7d95ff; --b-soft: #1f2744;
  --accent: #ebeef3; --on-accent: #12151c; --ok: #4cc993; --warn: #f39a63;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--body);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
a { color: var(--b); }
main { display: grid; gap: 20px; min-width: 0; }
main:focus { outline: none; }
.wrap { max-width: 1080px; margin: 0 auto; display: grid; gap: 28px; padding-block: 20px 40px; }

/* Cabecera y pie */
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font: 800 20px var(--display); color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.top nav { display: flex; gap: 6px 14px; flex-wrap: wrap; align-items: center; font-size: 14px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current] { color: var(--ink); }
/* El botón conserva sus colores: si no, heredaría el gris y el hover de los enlaces del menú */
.top nav .btn, .top nav .btn:hover { padding: 7px 14px; font-size: 14px; color: var(--on-accent); }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button { border: 0; background: none; color: var(--muted); font: 700 12px var(--body); padding: 5px 9px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 18px; }
footer a { color: var(--muted); }

/* Elementos comunes */
h1 { font: 800 clamp(30px, 5.4vw, 52px)/1.04 var(--display); margin: 0; text-wrap: balance; letter-spacing: -.02em; }
h1 em { font-style: normal; background: linear-gradient(90deg, var(--a), var(--b)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font: 700 22px/1.2 var(--display); margin: 0; }
.lede { margin: 0; color: var(--muted); max-width: 62ch; font-size: 17px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; display: grid; gap: 18px; min-width: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 999px; padding: 11px 20px; font: 700 15px var(--body); cursor: pointer; text-decoration: none; background: var(--accent); color: var(--on-accent); transition: transform .1s, opacity .15s; }
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: default; transform: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.danger { background: transparent; color: var(--warn); border-color: var(--line); }
.btn.sm { padding: 7px 13px; font-size: 13px; }
.link { background: none; border: 0; padding: 0; color: var(--muted); font: inherit; font-size: 13px; text-decoration: underline; cursor: pointer; }
.error { color: var(--warn); font-weight: 700; margin: 0; }
.notice { background: var(--b-soft); border-radius: 12px; padding: 12px 14px; margin: 0; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.copyline { display: flex; gap: 8px; min-width: 0; }
.copyline input { flex: 1; min-width: 0; font: 500 13px var(--mono); }

/* Formularios */
label, .field { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
.hint { font-weight: 400; color: var(--muted); font-size: 13px; }
input[type="text"], input[type="search"], textarea, select {
  width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font: 16px var(--body); color: var(--ink); background: var(--bg);
}
textarea { resize: vertical; min-height: 96px; }
textarea.items { min-height: 200px; font-family: var(--mono); font-size: 14px; line-height: 1.7; }
input:focus-visible, textarea:focus-visible, select:focus-visible, .btn:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--b); outline-offset: 2px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 700; }
.check input { margin-top: 5px; }
.choice { display: grid; gap: 8px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .two { grid-template-columns: 1fr; } }

/* Portada */
.hero { display: grid; gap: 16px; padding-block: 8px 4px; }
.points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 760px) { .points { grid-template-columns: 1fr; } }
.point { border-left: 3px solid var(--a); padding: 2px 0 2px 12px; }
.point:nth-child(2) { border-color: var(--b); }
.point:nth-child(3) { border-color: var(--ink); }
.point strong { display: block; font: 700 16px var(--display); }
.point span { color: var(--muted); font-size: 14px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.tabs { display: inline-flex; gap: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.tabs button { border: 0; background: none; color: var(--muted); font: 700 14px var(--body); padding: 7px 14px; border-radius: 999px; cursor: pointer; }
.tabs button[aria-pressed="true"], .tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); }
.toolbar input[type="search"] { max-width: 260px; background: var(--surface); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips button { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 5px 12px; font: 14px var(--body); cursor: pointer; }
.chips button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.card { display: grid; gap: 10px; height: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px; text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--ink); transform: translateY(-2px); }
.card h3 { margin: 0; font: 700 18px/1.25 var(--display); }
.card ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; font-size: 14px; }
.card li { display: flex; gap: 8px; min-width: 0; }
.card li span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.medal { font: 700 12px var(--mono); color: var(--muted); width: 18px; flex: none; padding-top: 2px; }
.meta { display: flex; gap: 6px 12px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.tag { display: inline-block; font: 700 11px var(--body); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* Encuesta */
.poll-head { display: grid; gap: 10px; }
.poll-head h1 { font-size: clamp(26px, 4.4vw, 42px); }
.tr-badge { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: minmax(0, 1fr); } }
.side { display: grid; gap: 16px; position: sticky; top: 16px; }
@media (max-width: 900px) { .side { position: static; } }

.arena { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 14px; align-items: stretch; }
@media (max-width: 600px) { .arena { grid-template-columns: minmax(0, 1fr); } }
.fighter {
  position: relative; min-height: 190px; border: 2px solid transparent; border-radius: 18px; padding: 22px 18px;
  font: 800 clamp(20px, 3.2vw, 30px)/1.15 var(--display); letter-spacing: -.01em; cursor: pointer; text-wrap: balance; overflow-wrap: anywhere;
  display: grid; place-items: center; text-align: center; transition: transform .12s, border-color .12s, box-shadow .12s, opacity .3s;
}
@media (max-width: 600px) { .fighter { min-height: 120px; } }
.fighter.a { background: var(--a-soft); color: var(--ink); }
.fighter.b { background: var(--b-soft); color: var(--ink); }
.fighter.a:hover { border-color: var(--a); }
.fighter.b:hover { border-color: var(--b); }
.fighter:active { transform: scale(.98); }
.fighter .key { position: absolute; top: 10px; font: 500 11px var(--mono); color: var(--muted); }
.fighter.a .key { left: 12px; }
.fighter.b .key { right: 12px; }
.fighter .sub { position: absolute; bottom: 10px; left: 0; right: 0; font: 400 12px var(--body); color: var(--muted); }
.fighter.win { transform: scale(1.02); }
.fighter.a.win { border-color: var(--a); box-shadow: 0 8px 30px -10px var(--a); }
.fighter.b.win { border-color: var(--b); box-shadow: 0 8px 30px -10px var(--b); }
.fighter.lose { opacity: .45; }
.delta { position: absolute; top: 12px; font: 700 14px var(--mono); animation: rise 1s ease-out forwards; }
.fighter.a .delta { right: 14px; }
.fighter.b .delta { left: 14px; }
.delta.up { color: var(--ok); }
.delta.down { color: var(--warn); }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } 20% { opacity: 1; } to { opacity: 0; transform: translateY(-14px); } }
.vs { align-self: center; justify-self: center; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--bg); font: 800 16px var(--display); }
.duel-foot { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; align-items: center; font-size: 13px; color: var(--muted); }
.bar { height: 6px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--a), var(--b)); transition: width .3s; }
.done { text-align: center; display: grid; gap: 12px; justify-items: center; padding: 20px 0; }

.rank { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.rank li { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 8px 6px; border-radius: 10px; }
.rank li:nth-child(odd) { background: color-mix(in srgb, var(--bg) 60%, transparent); }
.rank .pos { font: 700 14px var(--mono); color: var(--muted); text-align: right; }
.rank li:nth-child(1) .pos { color: var(--a); }
.rank .name { min-width: 0; overflow-wrap: anywhere; font-weight: 700; line-height: 1.3; }
.rank .name small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.rank .elo { font: 500 14px var(--mono); text-align: right; white-space: nowrap; }
.rank .elo small { color: var(--muted); font-size: 11px; }
.rank .move { font: 500 11px var(--mono); }
.rank .move.up { color: var(--ok); }
.rank .move.down { color: var(--warn); }
.rank.big li { padding: 12px 10px; }
.rank.big .name { font-size: 17px; }
.agree { display: grid; gap: 8px; }
.agree-num { font: 800 34px var(--display); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .compare { grid-template-columns: 1fr; } }

/* Diálogo */
dialog { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); color: var(--ink); padding: 22px; max-width: min(440px, calc(100vw - 32px)); }
dialog::backdrop { background: rgb(0 0 0 / .45); }
dialog form { display: grid; gap: 14px; }

/* Donación y anuncios */
.donate-note { display: flex; gap: 10px; align-items: center; margin: 0; padding: 10px 14px; border-radius: 12px; background: var(--a-soft); font-size: 14px; }
.donate-note span { flex: 1; }
.donate-close { border: 0; background: none; color: var(--muted); font-size: 20px; line-height: 1; cursor: pointer; }
/* Anuncios, con el mismo estilo que Tramilisto: esquinas redondeadas, fondo tenue y la etiqueta «Publicidad» */
.ad { display: grid; place-items: center; position: relative; margin-inline: auto; width: 100%; border-radius: 8px; background: color-mix(in srgb, var(--line) 35%, transparent); overflow: hidden; }
.ad::before { content: "Publicidad"; position: absolute; top: 4px; left: 8px; font: 700 10px var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
:lang(en) .ad::before { content: "Advertisement"; }
.ad ins { display: block; width: 100%; }
.ad-leader { max-width: 728px; min-height: 100px; }
@media (min-width: 760px) { .ad-leader { min-height: 90px; } }
.ad-rect { max-width: 336px; min-height: 280px; }
.ad-vertical { max-width: 300px; min-height: 600px; }
.ad-ph { font: 500 12px var(--mono); color: var(--muted); }
/* Crear encuesta: formulario y, en pantallas anchas, anuncio vertical fijo a su lado */
.create-layout { display: grid; grid-template-columns: minmax(0, 720px) 300px; gap: 24px; align-items: start; justify-content: start; }
.create-side { position: sticky; top: 16px; }
@media (max-width: 1060px) { .create-layout { grid-template-columns: minmax(0, 720px); } .create-side { display: none; } }

.prose { max-width: 70ch; }
.prose p { margin: 0 0 12px; }
.turnstile { min-height: 70px; display: grid; place-items: center; gap: 8px; }

/* Gráfica de evolución del ranking */
.chart { position: relative; min-height: 120px; }
.chart svg { display: block; overflow: visible; touch-action: pan-y; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--muted); font: 11px var(--mono); }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .line.rest { stroke: var(--line); stroke-width: 1.5; }
.chart .cross { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; }
.chart circle { stroke: var(--surface); stroke-width: 2; }
.chart .hit { fill: transparent; cursor: crosshair; }
/* Fundido al terminar la animación de entrada; al quitar la clase vuelve al instante */
.chart .fade { opacity: 0; transition: opacity .6s ease; }
.chart .tip { position: absolute; top: 4px; display: grid; gap: 2px; min-width: 170px; max-width: 240px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: 0 6px 20px -8px rgb(0 0 0 / .35); font-size: 12px; pointer-events: none; }
/* Sigue a la barra con un ligero retardo: suaviza el movimiento y el cambio de lado a mitad de gráfica */
.chart .tip { transition: left .18s ease-out; }
.chart .tip.podium-mode { transition: left .45s ease, top .45s ease, opacity .3s ease; }
/* Salida del podio: solo un fundido rápido, sin moverse */
.chart .tip.podium-mode.fade { opacity: 0; }
@media (prefers-reduced-motion: reduce) { .chart .tip { transition: none; } }
.chart .tip-list { position: relative; }
.chart .tip-row { position: absolute; inset: 0 0 auto; height: 20px; display: grid; grid-template-columns: 16px 10px minmax(0, 1fr) auto; gap: 6px; align-items: center; }
.chart .tip-list.ready .tip-row { transition: transform .35s ease; }
.chart .tip-row em { font: 500 11px var(--mono); font-style: normal; color: var(--muted); text-align: right; }
.chart .tip-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chart .tip b { font: 500 12px var(--mono); }
@media (prefers-reduced-motion: reduce) { .chart .tip-list.ready .tip-row { transition: none; } }
.chart .legend { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; }
.chart .legend li { display: flex; gap: 6px; align-items: center; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; flex: none; }
.sw.rest { background: var(--line); }

/* Guía Elo */
.article { display: grid; gap: 20px; max-width: 780px; }
.article .prose { max-width: none; }
.prose h2 { margin-bottom: 4px; }
.prose h3 { font: 700 17px/1.3 var(--display); margin: 14px 0 4px; }
.prose ul { margin: 0 0 12px; padding-left: 20px; display: grid; gap: 6px; }
.formula { font: 500 clamp(14px, 2.6vw, 17px)/1.6 var(--mono); background: var(--bg); border-radius: 10px; padding: 12px 14px; overflow-x: auto; }
.table-wrap { overflow-x: auto; margin-bottom: 12px; }
.prose table { border-collapse: collapse; width: 100%; max-width: 420px; font-size: 15px; }
.prose caption { text-align: left; color: var(--muted); font-size: 13px; padding-bottom: 6px; }
.prose th, .prose td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); }
.prose td:last-child, .prose th:last-child { text-align: right; font-family: var(--mono); }
.elo-calc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; align-items: end; }
.elo-calc input { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font: 16px var(--mono); color: var(--ink); background: var(--bg); }
.calc-out { grid-column: 1 / -1; display: grid; gap: 6px; background: var(--bg); border-radius: 12px; padding: 14px; }
.calc-big { font: 800 32px var(--display); line-height: 1; }
.calc-row { font: 500 14px var(--mono); }
.calc-row b { font: 700 14px var(--body); margin-right: 8px; }
@media (max-width: 560px) { .elo-calc { grid-template-columns: 1fr 1fr; } .elo-calc label:last-of-type { grid-column: 1 / -1; } }
.cta { text-align: center; justify-items: center; }

/* Botón de Ko-fi (réplica del widget oficial, color elegido en Ko-fi) */
.kofi-button { display: inline-flex; align-items: center; gap: 6px; flex: none; padding: 7px 14px; border-radius: 7px; background: #72a4f2; color: #fff; font: 700 14px/1.4 var(--body); text-decoration: none; white-space: nowrap; box-shadow: 1px 1px 0 rgb(0 0 0 / .2); text-shadow: 0 1px 1px rgb(0 0 0 / .25); }
.kofi-button:hover { opacity: .88; color: #fff; }
.kofi-button img { width: 22px; height: 15px; animation: kofi-wiggle 3s infinite; }
@keyframes kofi-wiggle { 0%, 60%, 100% { transform: none; } 75% { transform: scale(1.12); } 84%, 92% { transform: rotate(-10deg) scale(1.1); } 88%, 96% { transform: rotate(10deg) scale(1.1); } }
@media (prefers-reduced-motion: reduce) { .kofi-button img { animation: none; } }
footer { align-items: center; }
.donate-note { flex-wrap: wrap; }

/* Portada: cómo funciona, encuesta destacada y usos */
.badges { margin: 0; color: var(--muted); font-size: 14px; }
.how .lede { max-width: 70ch; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: minmax(0, 1fr); } }
.steps > li { display: grid; gap: 6px; align-content: start; background: var(--bg); border-radius: 14px; padding: 16px; }
.steps .num { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--bg); font: 800 14px var(--display); }
.steps strong { font: 700 17px/1.25 var(--display); }
.steps p { margin: 0; color: var(--muted); font-size: 14px; }
.mini-duel { display: grid; grid-template-columns: 1fr auto 1fr; gap: 6px; align-items: center; margin-top: 6px; font: 700 13px var(--display); text-align: center; }
.mini-duel span { padding: 12px 4px; border-radius: 10px; border: 2px solid transparent; }
.mini-duel .a { background: var(--a-soft); border-color: var(--a); }
.mini-duel .b { background: var(--b-soft); }
.mini-duel b { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--bg); font-size: 10px; }
.mini-rank { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 4px; font-size: 13px; font-weight: 700; }
.mini-rank li { display: grid; grid-template-columns: 16px 1fr auto; gap: 8px; padding: 6px 8px; border-radius: 8px; background: var(--surface); }
.mini-rank i { font: 500 12px var(--mono); font-style: normal; color: var(--muted); }
.mini-rank li:first-child i { color: var(--a); }
.mini-rank b { font: 500 12px var(--mono); }
.featured { display: grid; gap: 12px; }
.featured-head { display: grid; gap: 4px; }
.featured-head p { margin: 0; }
.featured-card { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); align-items: center; gap: 24px; }
@media (max-width: 820px) { .featured-card { grid-template-columns: minmax(0, 1fr); } }
.featured-info { display: grid; gap: 12px; }
.featured-info h3 { margin: 0; font: 800 clamp(22px, 3vw, 28px)/1.15 var(--display); }
.featured-info h3 a { color: var(--ink); text-decoration: none; }
.featured-info h3 a:hover { text-decoration: underline; }
.uses { display: grid; gap: 14px; }
.use-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 900px) { .use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .use-grid { grid-template-columns: minmax(0, 1fr); } }
.use-grid .point:nth-child(4) { border-color: var(--line); }

/* Podio al final de la animación de la gráfica */
.chart .tip.podium-mode { min-width: 250px; max-width: 280px; }
.chart .podium { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; align-items: end; padding-top: 4px; }
.chart .podium .step { display: grid; justify-items: center; gap: 2px; text-align: center; min-width: 0; }
.chart .podium .medal { font-size: 22px; line-height: 1; animation: medal-pop .45s cubic-bezier(.3, 1.6, .5, 1) both; }
.chart .podium .pname { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 700; font-size: 12px; }
.chart .podium b { font: 500 11px var(--mono); color: var(--muted); }
.chart .podium .block { width: 100%; display: grid; place-items: start center; padding-top: 4px; border-radius: 6px 6px 0 0; font: 800 15px var(--display); color: #2a2414; transform-origin: bottom; animation: podium-grow .5s ease-out both; }
.chart .podium .s1 .block { height: 56px; background: linear-gradient(#f6d365, #e0a82e); }
.chart .podium .s2 .block { height: 40px; background: linear-gradient(#e3e7ec, #aab3be); }
.chart .podium .s3 .block { height: 28px; background: linear-gradient(#e8b183, #bf7a45); }
/* Primero el bronce, luego la plata y al final el oro */
.chart .podium .s3 .block, .chart .podium .s3 .medal { animation-delay: 0s; }
.chart .podium .s2 .block, .chart .podium .s2 .medal { animation-delay: .2s; }
.chart .podium .s1 .block, .chart .podium .s1 .medal { animation-delay: .4s; }
@keyframes podium-grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes medal-pop { from { transform: scale(0); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .chart .podium .block, .chart .podium .medal { animation: none; } }

/* Carrusel de ejemplos de «Cómo funciona» */
.how-head { display: flex; justify-content: space-between; align-items: center; gap: 10px 16px; flex-wrap: wrap; }
.ex-nav { display: flex; align-items: center; gap: 8px; }
.ex-arrow { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: 700 20px/1 var(--display); cursor: pointer; display: grid; place-items: center; padding-bottom: 2px; }
.ex-arrow:hover { border-color: var(--ink); }
.ex-dots { display: flex; gap: 2px; }
/* Punto visible de 8 px, zona de toque de 24 px */
.ex-dot { width: 24px; height: 24px; border: 0; padding: 0; background: none; cursor: pointer; display: grid; place-items: center; }
.ex-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--line); transition: width .2s, background .2s; }
.ex-dot[aria-current="true"]::before { width: 20px; border-radius: 4px; background: var(--ink); }
.how { touch-action: pan-y; }
/* Las tarjetas se deslizan dentro de este marco (la animación está en showExample, app.js) */
.ex-viewport { overflow: hidden; margin: -4px; padding: 4px; }
.ex-slide { display: grid; gap: 18px; will-change: transform; }

/* Ranking: etiqueta «provisional» y leyenda «Cómo leer el ranking» */
.prov { display: inline-block; margin-top: 3px; padding: 1px 7px; border-radius: 999px; background: var(--b-soft); color: var(--ink); font: 700 11px var(--body); letter-spacing: .02em; }

/* Tooltip propio para [data-tip]: al pasar el ratón, al enfocar con el teclado o al tocar (clase tip-open) */
[data-tip] { position: relative; cursor: help; text-decoration: underline dotted; text-underline-offset: 3px; }
.prov[data-tip] { text-decoration: none; }
[data-tip]::after {
  content: attr(data-tip); position: absolute; z-index: 20; bottom: calc(100% + 8px); width: max-content; max-width: min(240px, 70vw);
  padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  box-shadow: 0 6px 20px -8px rgb(0 0 0 / .35); font: 400 12px/1.4 var(--body); letter-spacing: 0; text-align: left; white-space: normal;
  opacity: 0; transform: translateY(4px); pointer-events: none; transition: opacity .15s, transform .15s;
}
/* El margen está a la derecha de la fila y la etiqueta a la izquierda: el tooltip se abre hacia dentro */
.margin[data-tip]::after { right: 0; }
.prov[data-tip]::after { left: 0; }
[data-tip]:hover::after, [data-tip]:focus-visible::after, [data-tip].tip-open::after { opacity: 1; transform: none; }
.rank-help dl { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 12px 18px; align-items: baseline; }
.rank-help dt { text-align: right; }
.rank-help dt .elo { font: 500 15px var(--mono); }
.rank-help dt .margin { font: 500 13px var(--mono); color: var(--muted); }
.rank-help dd { margin: 0; color: var(--muted); font-size: 14px; }
@media (max-width: 560px) { .rank-help dl { grid-template-columns: minmax(0, 1fr); gap: 4px; } .rank-help dt { text-align: left; margin-top: 8px; } }

/* Ranking lateral al votar: destello de la candidata que sube o baja (la animación de orden está en app.js) */
.rank li.flash-up { animation: flash-up 1s ease-out; }
.rank li.flash-down { animation: flash-down 1s ease-out; }
@keyframes flash-up { from { background: color-mix(in srgb, var(--ok) 28%, transparent); } }
@keyframes flash-down { from { background: color-mix(in srgb, var(--warn) 22%, transparent); } }
@media (prefers-reduced-motion: reduce) { .rank li.flash-up, .rank li.flash-down { animation: none; } }

/* Explorar: la primera encuesta a doble ancho con su gráfica (solo cuando hay sitio para dos columnas) */
@media (min-width: 680px) { .cards > li.wide { grid-column: span 2; } }
#list { grid-auto-flow: row dense; } /* si la grande no es la primera, la siguiente rellena el hueco */
.card-wide { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 20px; align-items: center; }
@media (max-width: 679px) { .card-wide { grid-template-columns: minmax(0, 1fr); } }
.card-info { display: grid; gap: 10px; align-content: start; min-width: 0; }
.card-wide h3 { font-size: 22px; }
.card-chart { min-width: 0; }
.card-chart .legend { font-size: 12px; }

/* Encuestas relacionadas bajo cada encuesta */
.related { display: grid; gap: 12px; }
.related .cards { grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.card-mini { gap: 6px; align-content: start; }
.card-mini h3 { font-size: 16px; }
.mini-rank li.mini-votes { display: block; background: none; padding: 2px 8px 0; font-weight: 400; color: var(--muted); font-size: 12px; }