/* Design tokens and component style adapted from the sorteos_espana public site.
   System fonts only: this site must not make any third-party request. */
:root {
  --bg: #f4f6f9; --panel: #ffffff; --text: #0f172a; --soft: #475569; --line: #dbe2ea;
  --accent: #1d4ed8; --accent-text: #ffffff;
  --ok: #047857; --ok-bg: #d1fae5; --warn: #92400e; --warn-bg: #fef3c7; --bad: #b91c1c; --bad-bg: #fee2e2;
  --hero-1: #eaf0ff; --hero-2: #f4f6f9; --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220; --panel: #131c2e; --text: #e6ebf3; --soft: #9fb0c8; --line: #26334a;
    --accent: #6ea0ff; --accent-text: #0b1220; --ok: #6ee7b7; --ok-bg: #0f3b2e;
    --warn: #fcd34d; --warn-bg: #3b2f0d; --bad: #fca5a5; --bad-bg: #3f1717;
    --hero-1: #14213d; --hero-2: #0b1220;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; line-height: 1.2; margin: 0 0 .5rem; }
a { color: var(--accent); }
[hidden] { display: none !important; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 780px; }
.narrow h2 { margin-top: 1.8rem; }

header.top { border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 10; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.logo { font-family: Georgia, serif; font-weight: 700; font-size: 1.25rem; text-decoration: none; color: var(--text); }
nav.links { display: flex; gap: 16px; flex-wrap: wrap; font-size: .93rem; }
nav.links a { color: var(--soft); text-decoration: none; }
nav.links a:hover, nav.links a[aria-current="page"] { color: var(--accent); }
nav.links { align-items: center; }
nav.links .menu-cta { order: 9; margin-left: 4px; padding: 6px 14px; border-radius: 10px; background: var(--accent); border: 1px solid var(--accent); font-weight: 600; }
nav.links a.menu-cta, nav.links a.menu-cta:hover, nav.links a.menu-cta[aria-current="page"] { color: var(--accent-text); }
nav.links .menu-cta:hover { filter: brightness(1.08); }
nav.links details.menu-group { position: relative; background: none; border: 0; border-radius: 0; padding: 0; margin: 0; }
nav.links .menu-group > summary { list-style: none; padding: 0; font-weight: 400; color: var(--soft); cursor: pointer; display: inline-flex; align-items: center; gap: 4px; }
nav.links .menu-group > summary::-webkit-details-marker { display: none; }
nav.links .menu-group > summary::after { content: ""; width: 6px; height: 6px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform .15s; }
nav.links .menu-group[open] > summary::after { transform: rotate(-135deg) translateY(-2px); }
nav.links .menu-group > summary:hover, nav.links .menu-group[open] > summary, nav.links .menu-group > summary.here { color: var(--accent); }
nav.links .menu-panel { position: absolute; left: -12px; top: calc(100% + 10px); min-width: 200px; display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 6px; box-shadow: 0 8px 24px rgba(15, 23, 42, .14); z-index: 20; }
nav.links .menu-panel a { padding: 8px 12px; border-radius: 8px; white-space: nowrap; }
nav.links .menu-panel a:hover { background: var(--bg); }
nav.links summary:focus-visible, nav.links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
/* Desktop: every top-level item is the same kind of button; the sub-options open as a vertical list underneath. */
@media (min-width: 721px) {
  nav.links { gap: 8px; }
  nav.links > a:not(.menu-cta), nav.links .menu-group > summary, nav.links .menu-cta {
    display: inline-flex; align-items: center; gap: 6px; box-sizing: border-box; min-height: 36px; padding: 6px 14px;
    border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--text);
    font-size: .93rem; font-weight: 500; line-height: 1.2; text-decoration: none; cursor: pointer; }
  nav.links > a:not(.menu-cta):hover, nav.links .menu-group > summary:hover, nav.links .menu-group[open] > summary {
    border-color: var(--accent); color: var(--accent); }
  nav.links > a[aria-current="page"], nav.links .menu-group > summary.here {
    border-color: var(--accent); color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, var(--panel)); }
  nav.links .menu-cta { margin-left: 4px; background: var(--accent); border-color: var(--accent); font-weight: 600; }
  nav.links a.menu-cta, nav.links a.menu-cta:hover, nav.links a.menu-cta[aria-current="page"] { color: var(--accent-text); background: var(--accent); }
  nav.links .menu-panel { align-items: stretch; gap: 2px; left: 0; }
  nav.links .menu-panel a { display: block; text-align: left; }
}
.menu-btn { display: none; }

.hero { background: linear-gradient(180deg, var(--hero-1), var(--hero-2)); padding: 48px 0 36px; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(1.9rem, 4.4vw, 2.9rem); max-width: 22ch; }
.lead { font-size: 1.08rem; color: var(--soft); max-width: 62ch; margin: .8rem 0 1.4rem; }
.kicker { display: inline-block; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 700; color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); padding: 4px 10px; border-radius: 999px; margin-bottom: 12px; }
.small { font-size: .85rem; color: var(--soft); }
.counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 8px; }
.counter { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.counter b { display: block; font-family: Georgia, serif; font-size: 1.9rem; line-height: 1.1; }
.counter span { color: var(--soft); font-size: .85rem; }

section { padding: 28px 0; }
.sub { color: var(--soft); margin: 0 0 1rem; }
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
input[type=search] { padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font: inherit; min-width: 220px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font: inherit; font-size: .85rem; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; }
.chip.on { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }

.table-scroll { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; font-size: .92rem; background: var(--panel); border: 1px solid var(--line); }
table.t th, table.t td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t th { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--soft); white-space: nowrap; }
table.t th button { all: unset; cursor: pointer; }
table.t td.num, table.t th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pill { display: inline-block; font-size: .75rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--hero-1); color: var(--accent); white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 14px; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin: 12px 0; }
.fact { background: var(--bg); border-radius: 10px; padding: 10px 12px; }
.fact b { display: block; font-size: 1.4rem; font-family: Georgia, serif; }
.fact span { font-size: .8rem; color: var(--soft); }
.finding { border-left: 4px solid var(--line); padding: 8px 14px; margin-bottom: 10px; background: var(--panel); border-radius: 0 10px 10px 0; }
.finding.notable { border-left-color: var(--accent); }
.note { background: var(--warn-bg); color: var(--warn); border-radius: 10px; padding: 10px 14px; font-size: .9rem; margin: 12px 0; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; counter-reset: step; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.step::before { counter-increment: step; content: counter(step); display: inline-flex; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--accent-text); align-items: center; justify-content: center; font-weight: 700; margin-bottom: 8px; }
details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 4px 16px; margin-bottom: 10px; }
details summary { padding: 10px 0; font-weight: 600; cursor: pointer; }
.btn { display: inline-block; padding: 8px 16px; border-radius: 10px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); font-weight: 600; text-decoration: none; font-size: .92rem; }
.btn.sec { background: transparent; color: var(--accent); }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.cards .card { margin: 0; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }

.spark { max-width: 100%; height: auto; display: block; }
.spark-line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; }
.spark-dot { fill: var(--accent); }
.bars { width: 100%; max-width: 640px; height: auto; display: block; }
.bars-a { fill: var(--accent); }
.bars-b { fill: #d97706; }
.bars-label, .bars-num, .bars-legend { fill: var(--text); font: 12px system-ui, sans-serif; }
.bars-num { fill: var(--soft); font-size: 11px; }
.bars-key-a { fill: var(--accent); color: var(--accent); }
.bars-key-b { fill: #d97706; color: #d97706; }
@media (prefers-color-scheme: dark) { .bars-b { fill: #fcd34d; } .bars-key-b { fill: #fcd34d; color: #fcd34d; } }
.checker { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin: 0 0 18px; max-width: 560px; }
.checker label { display: block; margin-bottom: 6px; }
.checker-row { display: flex; gap: 8px; }
.checker-row input { flex: 1; min-width: 0; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; }
.checker .btn { cursor: pointer; }
.checker .note { margin-bottom: 0; }

pre { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; overflow-x: auto; font-size: .85rem; }
td details { border: 0; padding: 0; margin: 4px 0 0; background: transparent; }
td details summary { padding: 2px 0; font-weight: 400; color: var(--soft); }

footer { border-top: 1px solid var(--line); margin-top: 30px; padding: 24px 0 40px; color: var(--soft); font-size: .86rem; }
footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 10px; }
footer a { color: var(--soft); }

@media (max-width: 720px) {
  .js .menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: transparent; color: var(--text); cursor: pointer; font-size: 1.2rem; }
  .js nav.links { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 0; font-size: 1rem; }
  .js .open nav.links { display: flex; }
  .js nav.links a { padding: 12px 4px; border-top: 1px solid var(--line); }
  .js nav.links .menu-cta { order: -1; margin: 6px 0 10px; padding: 12px 16px; text-align: center; border-top: 1px solid var(--accent); }
  .js nav.links .menu-group > summary { display: flex; justify-content: space-between; padding: 12px 4px; min-height: 44px; border-top: 1px solid var(--line); }
  .js nav.links .menu-panel { position: static; box-shadow: none; border: 0; border-radius: 0; background: none; padding: 0 0 6px 14px; min-width: 0; }
  .js nav.links .menu-panel a { padding: 12px 4px; border-radius: 0; border-top: 1px solid var(--line); white-space: normal; }
  nav.links .menu-group > summary::after { width: 8px; height: 8px; }
}

.checker-row { flex-wrap: wrap; }
.checker-row input { min-width: 0; flex: 1 1 160px; }

details.fold { padding: 4px 20px; }
details.fold > summary { font-family: Georgia, serif; font-size: 1.35rem; font-weight: 700; padding: 12px 0; list-style: none; display: flex; align-items: center; gap: 10px; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::before { content: ""; width: 9px; height: 9px; border-right: 3px solid var(--accent); border-bottom: 3px solid var(--accent); transform: rotate(-45deg); transition: transform .15s; flex: none; margin: 0 6px 0 2px; }
details.fold[open] > summary::before { transform: rotate(45deg); }
details.fold > .sub { margin-top: 0; }
footer .credit { text-align: center; margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--line); }
footer .credit p { margin: 2px 0; }

/* Short links page: the example cards show label/value pairs, stacked on narrow screens. */
dl.demo-facts { margin: 0 0 12px; display: grid; grid-template-columns: minmax(150px, 220px) 1fr; gap: 0; }
dl.demo-facts dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--soft); font-weight: 700; padding: 10px 12px 10px 0; border-top: 1px solid var(--line); }
dl.demo-facts dd { margin: 0; padding: 8px 0; border-top: 1px solid var(--line); overflow-wrap: anywhere; }
@media (max-width: 720px) {
  dl.demo-facts { grid-template-columns: 1fr; }
  dl.demo-facts dt { padding: 10px 0 0; border-top: 1px solid var(--line); }
  dl.demo-facts dd { padding: 2px 0 10px; border-top: 0; }
}

/* Browser check page */
.bc-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 0 0 16px; }
.bc-tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.bc-tile-label { font-size: .8rem; color: var(--soft); }
.bc-tile-value { font-size: 1.4rem; font-weight: 700; margin: 2px 0 4px; }
.bc-tile-note { font-size: .82rem; color: var(--soft); margin: 0; }
.bc-code code { font-size: 1rem; word-break: break-all; }
.bc-list details.bc-entry { padding: 2px 14px; margin-bottom: 8px; }
.bc-head { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(0, 2fr) auto; gap: 10px; align-items: center; font-weight: 400; }
.bc-title { font-weight: 600; }
.bc-value { color: var(--soft); font-size: .88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bc-detail h4 { margin: 10px 0 2px; font-size: .9rem; }
.bc-detail p, .bc-what { margin: 0 0 8px; }
.bc-raw { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: .82rem; white-space: pre-wrap; word-break: break-word; margin: 0 0 8px; }
@media (max-width: 640px) { .bc-head { grid-template-columns: 1fr; gap: 2px; } .bc-value { white-space: normal; } }

.bc-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 12px 0; }
.bc-paste { width: 100%; font: .82rem/1.4 ui-monospace, Consolas, monospace; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.bc-extra { background: var(--hero-1); border-radius: 8px; padding: 6px 10px; font-size: .88rem; }
.bc-controls { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin: 16px 0 6px; }
.bc-toggle { display: inline-flex; gap: 6px; }
#bc-select { font: inherit; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--text); max-width: 100%; }
.bc-glossary dt { font-weight: 600; margin-top: .8rem; }
.bc-glossary dd { margin: 0 0 .2rem; color: var(--soft); }

/* Home page hero: the Browser check preview beside the title (below the text on a phone) */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 8px 32px; align-items: center; }
.hero-grid .counters { grid-column: 1 / -1; }
.hero-shot { display: block; text-decoration: none; color: inherit; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; box-shadow: 0 8px 24px rgba(15, 23, 42, .12); }
.hero-shot img { display: block; width: 100%; height: auto; border-radius: 8px; }
.hero-shot-cta { display: block; margin-top: 8px; font-weight: 700; text-align: center; color: var(--accent); }
.hero-shot-note { display: block; text-align: center; color: var(--soft); font-size: .82rem; margin-top: 2px; }
.hero-shot:hover .hero-shot-cta, .hero-shot:focus-visible .hero-shot-cta { text-decoration: underline; }
@media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; } .hero-shot { max-width: 520px; } }
.bc-summary h4 { margin: 12px 0 2px; font-size: .92rem; }
.bc-summary-list { margin: 0 0 6px; padding-left: 1.2rem; }
.bc-summary-list li { margin-bottom: 4px; }
.bc-tile-list { margin-top: 8px; padding: 0 10px; font-size: .85rem; }
.bc-tile-list summary { padding: 6px 0; font-weight: 600; font-size: .85rem; }
.bc-tile-list ul { margin: 0 0 6px; padding-left: 1.1rem; columns: 1; }
.bc-tile-list li { margin-bottom: 2px; }
.bc-tiles { align-items: start; }
.bc-entry, .bc-summary { scroll-margin-top: 84px; }