/* Pausa: letra grande y mucho contraste, pensado para personas mayores en el teléfono. */
:root {
  --bg: #f2f6f7;
  --surface: #ffffff;
  --surface-2: #e3ecef;
  --fg: #12212a;
  --muted: #4c5d66;
  --line: #c6d3d9;
  --accent: #0f6a7a;
  --accent-ink: #ffffff;
  --alto: #a92a1f;
  --alto-bg: #fbe3df;
  --medio: #7d5200;
  --medio-bg: #fbedcc;
  --sin: #1f6a45;
  --sin-bg: #d9f0e2;
  --wa: #128c4a;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1619; --surface: #15222a; --surface-2: #1c2d36; --fg: #e4edf0; --muted: #a2b5be; --line: #2d404a;
    --accent: #5fc4d2; --accent-ink: #062027; --alto: #ff9183; --alto-bg: #3d1916; --medio: #f3c56c; --medio-bg: #3a2b0c;
    --sin: #82d9a6; --sin-bg: #133123; --wa: #3ddc84;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1619; --surface: #15222a; --surface-2: #1c2d36; --fg: #e4edf0; --muted: #a2b5be; --line: #2d404a;
  --accent: #5fc4d2; --accent-ink: #062027; --alto: #ff9183; --alto-bg: #3d1916; --medio: #f3c56c; --medio-bg: #3a2b0c;
  --sin: #82d9a6; --sin-bg: #133123; --wa: #3ddc84;
  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(--fg); font: 18px/1.55 var(--font); }
a { color: var(--accent); }
img { max-width: 100%; }
.wrap { max-width: 760px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; padding-block: 10px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.2rem; color: var(--fg); text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 0.95rem; }
.nav a { color: var(--fg); text-decoration: none; padding: 6px 0; }
.nav a:hover { color: var(--accent); text-decoration: underline; }
main { display: grid; gap: 28px; padding-block: 24px 40px; }
h1 { font-size: clamp(1.7rem, 1.3rem + 2vw, 2.4rem); line-height: 1.15; margin: 0 0 8px; text-wrap: balance; }
h2 { font-size: 1.35rem; line-height: 1.25; margin: 28px 0 10px; text-wrap: balance; }
.hero h1 { margin-top: 8px; }
.lead { font-size: 1.1rem; color: var(--muted); margin: 0; }
.lead + .lead { margin-top: 12px; }
.checker-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 14px; }
.checker-box h2 { margin: 0; }
.checker { display: grid; gap: 10px; }
.checker label[for="mensaje"] { font-weight: 700; }
textarea { width: 100%; min-height: 160px; resize: vertical; font: 1.05rem/1.5 var(--font); color: var(--fg); background: var(--bg); border: 2px solid var(--line); border-radius: 10px; padding: 12px; }
textarea:focus-visible, button:focus-visible, .file-btn:focus-within, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.checker-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.file-input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.file-btn { cursor: pointer; border: 2px solid var(--accent); color: var(--accent); border-radius: 999px; padding: 10px 16px; font-weight: 700; background: transparent; }
.file-name { color: var(--muted); font-size: 0.95rem; overflow-wrap: anywhere; min-width: 0; }
button, .button-link { font: 700 1.05rem var(--font); background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 999px; padding: 12px 22px; cursor: pointer; text-decoration: none; display: inline-block; }
.checker button[type="submit"] { margin-left: auto; }
button[disabled] { opacity: 0.6; cursor: progress; }
.checker-note, .muted { color: var(--muted); font-size: 0.95rem; margin: 0; }
.result { display: grid; gap: 12px; border-top: 1px solid var(--line); padding-top: 14px; }
.result-page { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; border-top: 1px solid var(--line); }
.pill { margin: 0; justify-self: start; display: inline-flex; align-items: center; gap: 8px; font-weight: 800; letter-spacing: 0.03em; text-transform: uppercase; font-size: 0.95rem; border-radius: 999px; padding: 6px 14px; }
.pill::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: currentColor; }
.pill.alto { color: var(--alto); background: var(--alto-bg); }
.pill.medio { color: var(--medio); background: var(--medio-bg); }
.pill.sin_senales { color: var(--sin); background: var(--sin-bg); }
.result-text { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 1.08rem; background: var(--surface-2); border-radius: 4px var(--radius) var(--radius) var(--radius); padding: 14px 16px; }
.share-wa { display: inline-block; justify-self: start; background: var(--wa); color: #ffffff; font-weight: 700; text-decoration: none; border-radius: 999px; padding: 12px 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 18px 18px; }
.steps { padding-left: 1.3em; display: grid; gap: 8px; }
.guide-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.guide-list a { display: grid; gap: 4px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); color: var(--fg); text-decoration: none; }
.guide-list a:hover strong { color: var(--accent); text-decoration: underline; }
.guide-list span { color: var(--muted); font-size: 0.95rem; }
.guide p, .guide li { max-width: 68ch; }
.guide ul { padding-left: 1.2em; display: grid; gap: 6px; }
.example { margin: 0 0 14px; }
.example blockquote { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 4px var(--radius) var(--radius) var(--radius); padding: 12px 16px; font-size: 1.05rem; overflow-wrap: anywhere; }
.example figcaption { color: var(--muted); font-size: 0.88rem; margin-top: 6px; overflow-wrap: anywhere; }
.foot { border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 0.95rem; padding-block: 18px 28px; }
.foot p { margin: 4px 0; }
.lang-pick { display: flex; flex-wrap: wrap; gap: 12px; }
button.secondary { background: transparent; color: var(--accent); border: 2px solid var(--accent); padding: 10px 20px; }
.family-actions { display: grid; gap: 10px; background: var(--alto-bg); border-radius: var(--radius); padding: 14px 16px; }
.family-lead { margin: 0; font-weight: 800; font-size: 1.15rem; }
.call-btn, .wa-btn { display: block; text-align: center; font-weight: 800; font-size: 1.15rem; text-decoration: none; border-radius: 999px; padding: 14px 20px; }
.call-btn { background: var(--accent); color: var(--accent-ink); }
.wa-btn { background: var(--wa); color: #ffffff; }
.family-setup { margin: 0; font-size: 0.95rem; }
.family-form { display: grid; gap: 8px; }
.family-form label { font-weight: 700; }
.family-form input { width: 100%; font: 1.1rem/1.4 var(--font); color: var(--fg); background: var(--bg); border: 2px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.family-form input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.family-status { margin: 0; font-weight: 700; }
.urgent-link { margin: 0; font-weight: 700; }
.urgent-now { font-weight: 700; background: var(--alto-bg); color: var(--fg); border-radius: 10px; padding: 12px 14px; }
@media (max-width: 520px) {
  .checker button[type="submit"] { width: 100%; margin-left: 0; }
}