/* =========================================================
   Academia Prenatal · estilos (Mobile First, sin frameworks)
   ========================================================= */
:root {
  --rosa: #c2607d;
  --rosa-osc: #a14765;
  --rosa-claro: #fbe9ee;
  --lila: #7d6bb3;
  --lila-claro: #efebf8;
  --verde: #2f8a7f;
  --verde-claro: #e4f4f1;
  --ambar: #a86a12;
  --ambar-claro: #fdf2dc;
  --rojo: #b3343d;
  --rojo-claro: #fbe6e7;
  --fondo: #fdf8f6;
  --tarjeta: #ffffff;
  --texto: #2e2834;
  --suave: #6b6372;
  --borde: #ecdfe3;
  --radio: 18px;
  --sombra: 0 2px 10px rgba(80, 40, 60, .07);
  --fuente: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--fuente); font-size: 17px; line-height: 1.55;
  color: var(--texto); background: var(--fondo);
  display: flex; flex-direction: column; min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--rosa-osc); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--lila); outline-offset: 2px;
}
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.3rem; }
.h3, h3 { font-size: 1.12rem; }
p { margin: 0 0 .9em; }
.muted { color: var(--suave); }
.small { font-size: .88rem; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: .5rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .06em; font-size: .75rem; font-weight: 700; color: var(--lila); margin-bottom: .3rem; }
code { background: #f4eef0; padding: .1em .35em; border-radius: 6px; font-size: .9em; }

/* ---------- Estructura ---------- */
.container { width: 100%; max-width: 760px; margin: 0 auto; padding: 1rem; flex: 1; }
.container-wide { max-width: 1100px; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  padding: .6rem 1rem; background: #fff; border-bottom: 1px solid var(--borde);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--texto); text-decoration: none; }
.topnav { display: flex; align-items: center; gap: 1rem; }
.topnav a { text-decoration: none; font-weight: 600; }
.inline { display: inline; margin: 0; }
.link-btn { background: none; border: 0; color: var(--rosa-osc); font: inherit; font-weight: 600; cursor: pointer; padding: .4rem 0; }

.site-footer { text-align: center; padding: 1.5rem 1rem 2rem; border-top: 1px solid var(--borde); background: #fff; font-size: .9rem; }
.footer-aviso { font-weight: 600; color: var(--suave); }

/* ---------- Tarjetas ---------- */
.card {
  background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio);
  padding: 1.15rem; margin-bottom: 1rem; box-shadow: var(--sombra);
}
.card.narrow { max-width: 480px; margin-left: auto; margin-right: auto; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; margin-bottom: .5rem; }
.card-head h2 { margin: 0; }
.card-aviso { background: var(--lila-claro); border-color: #ddd5f0; }
.grid-2 { display: grid; gap: 1rem; }
.grid-2 > .card { margin-bottom: 0; }
.grid-2 { margin-bottom: 1rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 48px; padding: .7rem 1.2rem; border-radius: 14px; border: 2px solid transparent;
  font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; text-align: center;
  transition: transform .12s ease, background-color .15s ease;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--rosa); color: #fff; }
.btn-primary:hover { background: var(--rosa-osc); }
.btn-secondary { background: var(--lila-claro); color: #4b3d84; border-color: #d9d0f0; }
.btn-ghost { background: #fff; color: var(--rosa-osc); border-color: var(--borde); }
.btn-danger { background: var(--rojo-claro); color: var(--rojo); border-color: #f1c6c9; }
.btn-lg { min-height: 56px; font-size: 1.05rem; }
.btn-sm { min-height: 38px; padding: .35rem .8rem; font-size: .9rem; border-radius: 10px; }
.btn-block { width: 100%; }
.btn-sub { font-weight: 500; font-size: .82rem; opacity: .9; }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: .8rem 0; }

/* ---------- Formularios ---------- */
.form { display: grid; gap: .9rem; }
.form label { display: grid; gap: .3rem; font-weight: 600; font-size: .95rem; }
input[type=text], input[type=email], input[type=password], input[type=search], select, textarea {
  width: 100%; min-height: 48px; padding: .65rem .8rem; font: inherit; color: inherit;
  border: 2px solid var(--borde); border-radius: 12px; background: #fff;
}
textarea { min-height: 110px; resize: vertical; }
.form label.check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; }
.check input { width: 22px; height: 22px; margin-top: .15rem; flex: none; accent-color: var(--rosa); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-row { align-items: end; }
.radio-group { border: 0; padding: 0; margin: 0; display: grid; gap: .4rem; }

/* ---------- Alertas ---------- */
.alert { padding: .8rem 1rem; border-radius: 12px; margin-bottom: 1rem; font-weight: 500; border: 1px solid; overflow-wrap: anywhere; }
.alert-success { background: var(--verde-claro); border-color: #bfe3dc; color: #1e5f57; }
.alert-error { background: var(--rojo-claro); border-color: #f1c6c9; color: #8c2730; }
.alert-info { background: var(--lila-claro); border-color: #d9d0f0; color: #46397a; }

/* ---------- Portada ---------- */
.hero { text-align: center; padding: 1rem 0 1.5rem; }
.hero-img { margin: 0 auto 1rem; width: 260px; }
.lead { font-size: 1.1rem; color: var(--suave); }
.hero .actions { justify-content: center; }
.features { display: grid; gap: .8rem; }
.feature { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 1rem; }
.feature h3 { margin: .3rem 0; }
.feature p { margin: 0; color: var(--suave); }
.feature-ico { font-size: 1.6rem; }

/* ---------- Panel del estudiante ---------- */
.welcome h1 { margin-bottom: .3rem; }
.reminder {
  background: var(--verde-claro); color: #1e5f57; border-radius: 12px; padding: .6rem .9rem;
  font-size: .92rem; font-weight: 600; display: inline-block;
}
.course-card { background: #fff; border-radius: var(--radio); border: 1px solid var(--borde); overflow: hidden; margin-bottom: 1rem; box-shadow: var(--sombra); }
.course-cover { width: 100%; aspect-ratio: 16/7; object-fit: cover; background: var(--rosa-claro); }
.course-body { padding: 1.1rem; }
.progress-wrap { display: flex; align-items: center; gap: .7rem; margin: .6rem 0; }
.progress { flex: 1; height: 12px; background: #f1e6ea; border-radius: 99px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--rosa), var(--lila)); border-radius: 99px; transition: width .4s ease; }
.progress-thin { height: 6px; }
.progress-num { min-width: 3.2rem; text-align: right; }
.stats-inline { list-style: none; padding: 0; margin: .4rem 0; display: flex; flex-wrap: wrap; gap: .3rem 1rem; font-size: .92rem; color: var(--suave); }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.list li { display: grid; }

/* ---------- Curso / módulos ---------- */
.breadcrumb { font-size: .88rem; color: var(--suave); margin-bottom: .6rem; }
.course-head { margin-bottom: 1rem; }
.module-card { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 1rem; margin-bottom: 1rem; box-shadow: var(--sombra); }
.module-head { display: flex; gap: .8rem; align-items: flex-start; }
.module-num { flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--rosa-claro); color: var(--rosa-osc); display: grid; place-items: center; font-weight: 800; }
.lesson-list { list-style: none; padding: 0; margin: .6rem 0 0; display: grid; gap: .5rem; }
.lesson-item a { display: flex; gap: .8rem; align-items: center; padding: .75rem; border-radius: 14px; border: 1px solid var(--borde); text-decoration: none; color: inherit; min-height: 56px; }
.lesson-item a:hover { background: #fffafb; }
.lesson-ico { flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: #f4eef0; font-weight: 700; }
.estado-completada .lesson-ico { background: var(--verde-claro); color: var(--verde); }
.estado-en_curso .lesson-ico { background: var(--lila-claro); color: var(--lila); }
.lesson-title { display: grid; font-weight: 600; }
.lesson-title small { font-weight: 400; }
.quiz-item a { border-style: dashed; }

/* ---------- Lección ---------- */
.lesson-head { margin-bottom: 1rem; }
.badge { display: inline-block; padding: .3rem .7rem; border-radius: 99px; font-size: .8rem; font-weight: 700; margin: 0 .3rem .5rem 0; }
.badge-warn { background: var(--ambar-claro); color: var(--ambar); }
.badge-ok { background: var(--verde-claro); color: var(--verde); }
.stepper { display: flex; align-items: center; gap: .7rem; }
.stepper .progress { max-width: 100%; }
.blocks { list-style: none; padding: 0; margin: 0; }
.block { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 1.2rem; margin-bottom: 1rem; box-shadow: var(--sombra); }
.is-stepper .block { display: none; }
.is-stepper .block.is-current { display: block; animation: aparecer .25s ease; }
@keyframes aparecer { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.block-title { color: var(--rosa-osc); }
.prose p:last-child { margin-bottom: 0; }
.figure { margin: 0 0 1rem; background: var(--rosa-claro); border-radius: 14px; padding: .6rem; }
.callout { display: flex; gap: .8rem; background: var(--verde-claro); border-radius: 14px; padding: 1rem; color: #1e4f49; }
.callout > span { font-size: 1.5rem; }
.summary { margin: 0; padding-left: 1.2rem; display: grid; gap: .45rem; }
.summary li::marker { color: var(--rosa); }
.video { position: relative; aspect-ratio: 16/9; margin-bottom: 1rem; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; border-radius: 12px; }
.lesson-nav { display: none; gap: .6rem; justify-content: space-between; position: sticky; bottom: 0; padding: .7rem 0; background: linear-gradient(to top, var(--fondo) 75%, transparent); }
.js .lesson-nav { display: flex; }
.lesson-nav .btn { flex: 1; }
.lesson-end { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px dashed var(--borde); }

/* Actividades */
.activity fieldset { border: 0; padding: 0; margin: 0 0 .8rem; }
.activity-q, .quiz-q legend { font-weight: 700; font-size: 1.05rem; margin-bottom: .6rem; padding: 0; }
.options { display: grid; gap: .5rem; }
.option {
  display: flex; gap: .7rem; align-items: center; padding: .75rem .9rem; min-height: 52px;
  border: 2px solid var(--borde); border-radius: 14px; cursor: pointer; font-weight: 500; background: #fff;
}
.option input { width: 22px; height: 22px; flex: none; accent-color: var(--rosa); }
.option:has(input:checked) { border-color: var(--lila); background: var(--lila-claro); }
.option.is-right { border-color: var(--verde); background: var(--verde-claro); }
.option.is-wrong { border-color: var(--rojo); background: var(--rojo-claro); }
.feedback { margin-top: .8rem; }
.fb { padding: .7rem .9rem; border-radius: 12px; font-weight: 600; margin-bottom: .4rem; }
.fb-ok { background: var(--verde-claro); color: #1e5f57; }
.fb-bad { background: var(--rojo-claro); color: #8c2730; }
.fb-info { background: var(--lila-claro); color: #46397a; }
.explicacion { background: #faf6f8; border-radius: 10px; padding: .6rem .8rem; }

/* Evaluación */
.quiz-q { border: 1px solid var(--borde); }
.q-num { color: var(--rosa); }
.result-ok { border-color: #bfe3dc; background: #f4fbf9; }
.result-bad { border-color: #f1c6c9; background: #fff8f8; }
.result-score { font-size: 1.2rem; }
.result-list { padding-left: 1.2rem; display: grid; gap: .5rem; }
.result-list .ok > span { color: var(--verde); }
.result-list .bad > span { color: var(--rojo); }

/* ---------- Administración ---------- */
.topbar-admin { background: #2f2a3a; border-color: #2f2a3a; }
.topbar-admin .brand, .topbar-admin .link-btn { color: #fff; }
.admin-nav { display: flex; gap: .3rem; overflow-x: auto; background: #fff; border-bottom: 1px solid var(--borde); padding: .4rem .6rem; }
.admin-nav a { padding: .55rem .9rem; border-radius: 10px; text-decoration: none; color: var(--texto); font-weight: 600; white-space: nowrap; }
.admin-nav a[aria-current="page"] { background: var(--lila-claro); color: #4b3d84; }
.kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; margin-bottom: 1rem; }
.kpi { background: #fff; border: 1px solid var(--borde); border-radius: 14px; padding: .9rem; display: grid; gap: .2rem; text-decoration: none; color: var(--suave); font-size: .88rem; }
.kpi-num { font-size: 1.7rem; font-weight: 800; color: var(--texto); }
.kpi-warn .kpi-num { color: var(--ambar); }
.kpi-ok .kpi-num { color: var(--verde); }
.kpi-bad .kpi-num { color: var(--rojo); }
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--borde); vertical-align: top; }
.table th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--suave); }
.pill { display: inline-block; padding: .2rem .6rem; border-radius: 99px; font-size: .78rem; font-weight: 700; white-space: nowrap; }
.pill-activo_sin_verificar { background: var(--ambar-claro); color: var(--ambar); }
.pill-verificado { background: var(--verde-claro); color: var(--verde); }
.pill-en_revision { background: var(--lila-claro); color: var(--lila); }
.pill-bloqueado { background: var(--rojo-claro); color: var(--rojo); }
.link-card.is-off { opacity: .75; }
.copy-row { display: flex; gap: .5rem; margin: .6rem 0; }
.copy-row input { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85rem; }
.dl { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1rem; margin: 0; }
.dl dt { color: var(--suave); }
.dl dd { margin: 0; overflow-wrap: anywhere; }
.mini-course { margin-bottom: 1rem; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1rem; }
.checklist { list-style: none; padding: 0; display: grid; gap: .4rem; }
.checklist .ok span:first-child { color: var(--verde); }
.checklist .fail span:first-child { color: var(--rojo); }
.prose ul { padding-left: 1.2rem; }

/* ---------- Pantallas medianas y grandes ---------- */
@media (min-width: 640px) {
  h1 { font-size: 2rem; }
  .container { padding: 1.5rem; }
  .features { grid-template-columns: repeat(3, 1fr); }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .lesson-nav .btn { flex: 0 0 auto; min-width: 160px; }
}
@media (min-width: 960px) {
  .kpis { grid-template-columns: repeat(5, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Ajustes ---------- */
.form label.option { display: flex; font-weight: 500; }
.brand span, .topnav a { white-space: nowrap; }
.topnav { gap: .8rem; }
@media (max-width: 400px) { .brand span { font-size: .95rem; } }
/* La leyenda de un fieldset se dibuja sobre el borde; flotarla la mete dentro de la tarjeta. */
.quiz-q legend { float: left; width: 100%; }
.quiz-q legend + * { clear: both; }
.quiz-q .options { clear: both; }

/* ---------- Lectura en voz alta ---------- */
.tts-btn {
  float: right; margin: -.2rem -.2rem .5rem .6rem; display: inline-flex; align-items: center; gap: .35rem;
  min-height: 40px; padding: .35rem .8rem; border-radius: 99px; border: 2px solid #d9d0f0;
  background: var(--lila-claro); color: #4b3d84; font: inherit; font-size: .88rem; font-weight: 700; cursor: pointer;
}
.tts-btn.is-playing { background: var(--rosa); border-color: var(--rosa); color: #fff; animation: latido 1.4s ease-in-out infinite; }
.tts-btn[hidden] { display: none; }
@keyframes latido { 50% { box-shadow: 0 0 0 5px rgba(194, 96, 125, .18); } }
.block::after { content: ""; display: block; clear: both; }

/* =========================================================
   Fase 2 · actividades, constructor y certificados
   ========================================================= */
.nowrap { white-space: nowrap; }
.btn-xs { min-height: 32px; padding: .2rem .55rem; font-size: .82rem; border-radius: 8px; }
.grid-3 { display: grid; gap: .9rem; }
details > summary { cursor: pointer; font-weight: 700; padding: .3rem 0; }
details[open] > summary { margin-bottom: .8rem; }

/* Actividades nuevas */
.case { background: var(--ambar-claro); border-left: 4px solid var(--ambar); border-radius: 12px; padding: .8rem 1rem; margin-bottom: .9rem; }
.case-tag { font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--ambar); margin-bottom: .3rem; }
.fill { font-size: 1.08rem; line-height: 2.4; }
.fill-input { display: inline-block; width: 9em; min-height: 40px; padding: .25rem .5rem; margin: 0 .2rem; border: 2px solid var(--lila); border-radius: 10px; font: inherit; text-align: center; background: #fff; }
.match, .order { display: grid; gap: .55rem; }
.match-row { display: grid; gap: .35rem; padding: .7rem; border: 2px solid var(--borde); border-radius: 14px; background: #fff; }
.match-left { font-weight: 700; }
.order-row { display: flex; align-items: center; gap: .7rem; padding: .55rem .7rem; border: 2px solid var(--borde); border-radius: 14px; background: #fff; }
.order-row select { width: 4.2rem; flex: none; min-height: 44px; padding: .3rem; text-align: center; }
.hotspot { position: relative; display: inline-block; max-width: 100%; border-radius: 12px; overflow: hidden; border: 2px solid var(--borde); cursor: crosshair; }
.hotspot img { display: block; width: 100%; }
.hotspot-mark { position: absolute; width: 26px; height: 26px; margin: -13px 0 0 -13px; border-radius: 50%; border: 3px solid #fff; background: var(--rosa); box-shadow: 0 0 0 2px var(--rosa); pointer-events: none; }
.audio { width: 100%; margin-bottom: .8rem; }
.quiz-q .q-num { font-size: .8rem; font-weight: 700; color: var(--rosa); margin: 0 0 .3rem; }

/* Curso: módulos bloqueados y certificado */
.module-card.is-locked { opacity: .6; }
.module-card.is-locked .lesson-item a { pointer-events: none; }
.cert-card { background: linear-gradient(135deg, #fff, var(--rosa-claro)); }

/* Constructor */
.builder-list { list-style: none; padding: 0; margin: .7rem 0; display: grid; gap: .45rem; }
.builder-list li { display: flex; align-items: center; gap: .5rem; }
.builder-item { flex: 1; display: grid; gap: .1rem; padding: .6rem .8rem; border: 1px solid var(--borde); border-radius: 12px; text-decoration: none; color: var(--texto); background: #fff; }
.builder-item:hover { background: #fffafb; }
.builder-quiz { border-style: dashed; }
.builder-blocks { list-style: none; padding: 0; margin: 0; }
.builder-block .card-head { align-items: flex-start; }
.module-num-sm { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--rosa-claro); color: var(--rosa-osc); font-size: .9rem; }
.mover { display: inline-flex; gap: .2rem; flex: none; }
.form-inline { display: flex; gap: .5rem; flex-wrap: wrap; flex: 1; }
.form-inline input { flex: 1; min-width: 200px; }
.quiz-row .pts { display: flex; align-items: center; gap: .4rem; font-size: .85rem; white-space: nowrap; }
.quiz-row .pts input { width: 4.5rem; min-height: 38px; }
.sticky-actions { position: sticky; bottom: 0; background: var(--fondo); padding: .7rem 0; margin: 0; z-index: 2; }
.media-picker { border: 1px dashed var(--borde); border-radius: 14px; padding: .8rem; display: grid; gap: .6rem; margin: 0; }
.media-picker legend { font-weight: 700; padding: 0 .3rem; }
.media-actual { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }
.media-thumb { max-height: 110px; width: auto; border-radius: 10px; border: 1px solid var(--borde); }
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .8rem; }
.media-item { margin: 0; border: 1px solid var(--borde); border-radius: 12px; padding: .5rem; background: #fff; display: grid; gap: .4rem; }
.media-item img { aspect-ratio: 4/3; object-fit: cover; border-radius: 8px; width: 100%; background: #f4eef0; }
.media-item figcaption { overflow-wrap: anywhere; }
.media-audio { display: grid; gap: .4rem; padding: .7rem 0; border-bottom: 1px solid var(--borde); }
.media-audio audio { width: 100%; }

/* Editor de opciones */
.opt-table td { vertical-align: middle; }
.opt-table input[type=text] { min-height: 42px; }
.opt-n { color: var(--suave); font-weight: 700; width: 1.5rem; }
.opt-actions { white-space: nowrap; }
.opt-check input { width: 24px; height: 24px; accent-color: var(--verde); }
@media (max-width: 700px) {
  .opt-table thead { display: none; }
  .opt-table, .opt-table tbody, .opt-table tr, .opt-table td { display: block; width: 100%; }
  .opt-table tr { border: 1px solid var(--borde); border-radius: 12px; padding: .5rem; margin-bottom: .6rem; }
  .opt-table td { border: 0; padding: .25rem 0; }
  .opt-table td[data-label]::before { content: attr(data-label); display: block; font-size: .78rem; color: var(--suave); font-weight: 700; }
}
.zone-canvas { position: relative; display: inline-block; max-width: 100%; margin-top: .5rem; border: 2px solid var(--borde); border-radius: 10px; overflow: hidden; }
.zone-canvas img { display: block; max-width: 100%; }
.zone-canvas.is-marking { border-color: var(--rosa); cursor: crosshair; box-shadow: 0 0 0 4px rgba(194, 96, 125, .2); }
.zone-box { position: absolute; border: 2px dashed var(--rojo); background: rgba(179, 52, 61, .15); color: #fff; font-weight: 800; font-size: .8rem; display: grid; place-items: center; text-shadow: 0 1px 2px #000; pointer-events: none; }
.zone-box.is-ok { border-color: var(--verde); background: rgba(47, 138, 127, .22); }

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .match-row { grid-template-columns: 1fr 1fr; align-items: center; }
}

/* Ajustes Fase 2 */
[hidden] { display: none !important; }
.block fieldset, .block .options, .block .hotspot, .block .case { clear: both; }
.fill input.fill-input { display: inline-block; width: 8.5em; min-height: 40px; padding: .2rem .5rem; }
.health-note { display: flex; gap: .5rem; align-items: flex-start; background: var(--verde-claro); color: #1e4f49; border-radius: 12px; padding: .6rem .8rem; font-size: .9rem; margin: .4rem 0 .8rem; }