:root {
  --noche: #1F2F40;
  --noche-2: #2C3E52;
  --nata: #FBF6EF;
  --arena: #F5E8D8;
  --tinta: #1F2F40;
  --suave: #6B7480;
  --linea: rgba(31, 47, 64, 0.12);
  --amanecer: linear-gradient(160deg, #E6DCDF 0%, #F4DAC6 38%, #FAD6AE 72%, #FCD49F 100%);
  --radio: 18px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--nata);
  color: var(--tinta);
  font-family: "Figtree", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  min-height: 100dvh;
}
h1, h2, h3, .sora { font-family: "Sora", system-ui, sans-serif; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: 1.65rem; font-weight: 600; line-height: 1.2; }
h2 { font-size: 1.1rem; font-weight: 600; }
h3 { font-size: 1rem; font-weight: 600; }
p { margin: 0; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }

.proto-band {
  position: sticky; top: 0; z-index: 20;
  text-align: center; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: calc(env(safe-area-inset-top, 0px) + 6px) 16px 6px;
  background: var(--noche); color: #F4E6D4;
}

main { max-width: 560px; margin: 0 auto; padding: 22px 16px calc(96px + var(--safe-b)); }
.screen { display: grid; gap: 26px; animation: aparece .35s ease both; }
@keyframes aparece { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.eyebrow { font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--suave); }
.muted { color: var(--suave); }
.small { font-size: 0.85rem; }
.ejemplo {
  display: inline-block; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 99px; border: 1px solid var(--linea); color: var(--suave);
  background: rgba(255,255,255,.55);
}
.stack { display: grid; gap: 12px; }
.row { display: flex; align-items: center; gap: 12px; }
.between { justify-content: space-between; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 99px; padding: 14px 22px; font-weight: 600;
  background: var(--noche); color: var(--nata); text-decoration: none;
}
.btn.ghost { background: transparent; color: var(--noche); border: 1px solid var(--linea); }
.btn.block { width: 100%; }
.btn:disabled { opacity: .35; cursor: default; }
.link { background: none; border: 0; padding: 0; color: var(--suave); text-decoration: underline; text-underline-offset: 3px; font-size: .9rem; }

/* Cuestionario */
.quiz-step { display: grid; gap: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  border: 1px solid var(--linea); background: #fff; border-radius: 99px; padding: 11px 18px;
  font-weight: 500; transition: background .15s, color .15s, border-color .15s;
}
.chip[aria-pressed="true"] { background: var(--noche); color: var(--nata); border-color: var(--noche); }
.progress-dots { display: flex; gap: 6px; }
.progress-dots i { width: 22px; height: 3px; border-radius: 3px; background: var(--linea); }
.progress-dots i.on { background: var(--noche); }

/* Portadas: imagen sencilla con luz que se mueve muy despacio */
.cover {
  position: relative; overflow: hidden; border-radius: var(--radio);
  aspect-ratio: 4 / 3; background: var(--amanecer); isolation: isolate;
}
.cover::before {
  content: ""; position: absolute; inset: -30%; z-index: -1;
  background: radial-gradient(closest-side, rgba(255,255,255,.55), transparent 70%);
  transform: translate(-12%, -8%);
  animation: luz 18s ease-in-out infinite alternate;
}
.cover.dormir { background: linear-gradient(170deg, #2C3E52 0%, #1F2F40 60%, #182533 100%); }
.cover.dormir::before { background: radial-gradient(closest-side, rgba(252,212,159,.28), transparent 70%); }
.cover.calma { background: linear-gradient(165deg, #EDE6E8 0%, #E6DCDF 45%, #F4DAC6 100%); }
.cover.mananas { background: linear-gradient(165deg, #F4DAC6 0%, #FAD6AE 55%, #FCD49F 100%); }
.cover .horizon {
  position: absolute; left: 0; right: 0; bottom: 0; height: 34%;
  background: linear-gradient(to top, rgba(31,47,64,.10), transparent);
}
.cover.dormir .horizon { background: linear-gradient(to top, rgba(0,0,0,.25), transparent); }
.cover .orb {
  position: absolute; width: 22%; aspect-ratio: 1; border-radius: 50%; right: 16%; top: 22%;
  background: rgba(255,255,255,.6); filter: blur(.5px);
  animation: deriva 24s ease-in-out infinite alternate;
}
.cover.dormir .orb { background: #F4E6D4; opacity: .85; width: 14%; }
.cover.mananas .orb { background: #FFF3DF; top: 48%; }
.cover .cover-label {
  position: absolute; left: 14px; bottom: 12px; right: 14px; display: flex; justify-content: space-between; align-items: end;
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(31,47,64,.7);
}
.cover.dormir .cover-label { color: rgba(244,230,212,.75); }
@keyframes luz { to { transform: translate(10%, 6%); } }
@keyframes deriva { to { transform: translate(-6px, 4px); } }
@media (prefers-reduced-motion: reduce) { .cover::before, .cover .orb { animation: none; } }

/* Tarjetas */
.card {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden;
}
.hero-card { display: grid; text-decoration: none; }
.hero-card .cover { border-radius: 0; aspect-ratio: 16 / 10; }
.hero-card .body { padding: 16px 18px 18px; display: grid; gap: 6px; }

.list { display: grid; gap: 10px; }
.item {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; align-items: center;
  padding: 10px; background: #fff; border: 1px solid var(--linea); border-radius: 16px; text-decoration: none;
}
.item .cover { aspect-ratio: 1; border-radius: 12px; }
.item .cover .orb { width: 30%; }
.item .meta { display: grid; gap: 2px; min-width: 0; }
.item .meta h3 { font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item .meta p { font-size: .82rem; color: var(--suave); }

.fav {
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%;
  border: 0; background: transparent; color: var(--noche);
}
.fav svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.fav[aria-pressed="true"] svg { fill: currentColor; }

.reason { font-size: .85rem; color: var(--suave); }
.tag { font-size: .75rem; color: var(--suave); display: inline-flex; gap: 6px; align-items: center; }

/* Filtros de explorar */
.seg { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin: 0 -16px; padding: 0 16px; }
.seg::-webkit-scrollbar { display: none; }

/* Estadísticas */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: var(--arena); border-radius: 16px; padding: 14px; display: grid; gap: 2px; }
.stat b { font-family: "Sora", sans-serif; font-size: 1.5rem; font-weight: 600; }
.stat span { font-size: .78rem; color: var(--suave); }
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.week div { display: grid; gap: 6px; justify-items: center; font-size: .72rem; color: var(--suave); }
.week i { width: 100%; aspect-ratio: 1; max-width: 34px; border-radius: 50%; border: 1px solid var(--linea); background: #fff; }
.week i.on { background: var(--amanecer); border-color: transparent; }
.week i.today { outline: 1.5px solid var(--noche); outline-offset: 2px; }

/* Programa */
.program-head { border-radius: var(--radio); padding: 22px; background: var(--amanecer); display: grid; gap: 10px; }
.bar { height: 4px; border-radius: 4px; background: rgba(31,47,64,.12); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--noche); }
.day { display: grid; grid-template-columns: 38px 1fr auto; gap: 12px; align-items: center; padding: 12px 14px; border-radius: 14px; background: #fff; border: 1px solid var(--linea); text-decoration: none; }
.day .n { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-family: "Sora", sans-serif; font-size: .85rem; border: 1px solid var(--linea); }
.day.done .n { background: var(--noche); color: var(--nata); border-color: var(--noche); }
.day.next { border-color: var(--noche); }
.day.locked { opacity: .5; pointer-events: none; }

/* Reproductor */
.player { display: grid; gap: 22px; }
.player .cover { aspect-ratio: 1; }
.player .cover.video { aspect-ratio: 16 / 9; }
.controls { display: grid; justify-items: center; gap: 14px; }
.play {
  width: 76px; height: 76px; border-radius: 50%; border: 0; background: var(--noche); color: var(--nata);
  display: grid; place-items: center;
}
.play svg { width: 28px; height: 28px; fill: currentColor; }
.time { font-family: "Sora", sans-serif; font-size: 2.4rem; font-weight: 500; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.player .bar { height: 3px; }
.back { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; color: var(--suave); font-size: .9rem; }
.note { background: var(--arena); border-radius: 14px; padding: 14px 16px; font-size: .88rem; color: #4A5562; }

.done-card { text-align: center; display: grid; gap: 14px; justify-items: center; padding: 28px 18px; border-radius: var(--radio); background: var(--amanecer); }

/* Pestañas */
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: rgba(251,246,239,.94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--linea);
  padding: 8px 8px calc(8px + var(--safe-b));
}
.tabs a { display: grid; justify-items: center; gap: 2px; text-decoration: none; color: var(--suave); font-size: .72rem; padding: 4px 0; }
.tabs svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.tabs a.on { color: var(--noche); font-weight: 600; }
body.playing .tabs { display: none; }