/* ==========================================================
   AUDIOS – NO HABLO ESPAÑOL
   Paleta del libro: naranja, rosa, verde, azul y gris azulado
   ========================================================== */

:root {
  --navy: #2a374b;
  --muted: #5f6e82;
  --teal: #4a6f7c;
  --bg: #fbf9f6;
  --card: #ffffff;
  --line: rgba(42, 55, 75, .09);

  --orange-bg: #fff0e3; --orange-mid: #ffc698; --orange: #f57e1d;
  --pink-bg:   #f9e5eb; --pink-mid:   #f2b3c1; --pink:   #c92a5c;
  --green-bg:  #e5f9eb; --green-mid:  #bdeccb; --green:  #109334;
  --blue-bg:   #e6e5f9; --blue-mid:   #c5c3f0; --blue:   #2d2ac9;
  --grey-bg:   #e9eff1; --grey-mid:   #9aa8be; --grey:   #608c9a;

  --maxw: 680px;
  --radius: 20px;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --shadow: 0 1px 2px rgba(42, 55, 75, .05), 0 12px 28px -20px rgba(42, 55, 75, .35);
  --shadow-lg: 0 2px 4px rgba(42, 55, 75, .05), 0 22px 44px -24px rgba(42, 55, 75, .45);

  color-scheme: light;
}

.tone-naranja { --t-bg: var(--orange-bg); --t-mid: var(--orange-mid); --t-fg: var(--orange); }
.tone-rosa    { --t-bg: var(--pink-bg);   --t-mid: var(--pink-mid);   --t-fg: var(--pink); }
.tone-verde   { --t-bg: var(--green-bg);  --t-mid: var(--green-mid);  --t-fg: var(--green); }
.tone-azul    { --t-bg: var(--blue-bg);   --t-mid: var(--blue-mid);   --t-fg: var(--blue); }
.tone-gris    { --t-bg: var(--grey-bg);   --t-mid: var(--grey-mid);   --t-fg: var(--grey); }

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--navy);
  background: var(--bg);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

/* Halos pastel de fondo */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(55% 38% at 0% 0%, rgba(255, 198, 152, .38), transparent 70%),
    radial-gradient(48% 34% at 100% 6%, rgba(242, 179, 193, .36), transparent 72%),
    radial-gradient(60% 40% at 50% 104%, rgba(197, 195, 240, .30), transparent 70%),
    radial-gradient(40% 30% at 0% 70%, rgba(189, 236, 203, .22), transparent 70%);
}

a { color: inherit; text-decoration: none; }

/* ---------- Barra superior ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  padding-top: env(safe-area-inset-top);
  background: rgba(251, 249, 246, .8);
  -webkit-backdrop-filter: saturate(1.5) blur(14px);
  backdrop-filter: saturate(1.5) blur(14px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }

.brand-mark {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--orange-mid);
  font-weight: 900;
  font-size: 18px;
}

.brand-text {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand-text b { font-weight: 800; }

.level { position: relative; flex: none; width: 44px; height: 50px; display: grid; place-items: center; }
.level svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.level path { fill: #fff; stroke: var(--navy); stroke-width: 2.6; stroke-linejoin: round; }
.level span { position: relative; font-size: 9.5px; font-weight: 800; letter-spacing: -.01em; }

/* ---------- Contenedor ---------- */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));
}

/* ---------- Cabecera (hero) ---------- */

.hero {
  display: grid;
  justify-items: center;
  text-align: center;
  padding: 34px 0 6px;
}

.cover-wrap { position: relative; isolation: isolate; margin-bottom: 30px; }

.cover-wrap::before {
  content: '';
  position: absolute;
  inset: -12% -26%;
  z-index: -1;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--orange-mid), var(--pink-mid), var(--blue-mid), var(--green-mid), var(--orange-mid));
  filter: blur(40px);
  opacity: .6;
}

.cover {
  position: relative;
  margin: 0;
  width: min(46vw, 196px);
  aspect-ratio: 210 / 297;
  border-radius: 4px 12px 12px 4px;
  overflow: hidden;
  background: #f3f1ee;
  transform: rotate(-3deg);
  box-shadow:
    0 1px 1px rgba(42, 55, 75, .08),
    0 18px 30px -14px rgba(42, 55, 75, .4),
    0 30px 60px -30px rgba(245, 126, 29, .45);
}

/* sombra del lomo y brillo suave, como un libro de verdad */
.cover::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(42, 55, 75, .22) 0, rgba(42, 55, 75, .05) 3.5%, rgba(255, 255, 255, .18) 5%, rgba(255, 255, 255, 0) 9%),
    linear-gradient(160deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, 0) 40%);
}

.cover-img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }

.eyebrow {
  margin: 0 0 12px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal);
}
.eyebrow span + span::before { content: '·'; margin-right: 10px; color: var(--orange); }

.title {
  margin: 0;
  font-size: clamp(38px, 11.5vw, 60px);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.025em;
  text-transform: uppercase;
}
.title-line { display: block; }

/* guiño a la cubierta: el «NO» izado y girado */
.title-no {
  display: inline-block;
  color: var(--orange);
  transform: rotate(-10deg) translateY(-.1em);
  margin-right: .06em;
}

.author { margin: 18px 0 0; display: grid; gap: 3px; }

.author-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.author-name { font-size: 19px; font-weight: 700; }

.chips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px 7px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .85);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 12.5px;
  font-weight: 600;
}
.chip::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--t-mid); }

/* Botón hacia la web de la autora (venta cruzada) */
.cta {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 8px 20px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  text-align: left;
  box-shadow: 0 14px 28px -16px rgba(42, 55, 75, .7);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.cta:hover { transform: translateY(-2px); box-shadow: 0 18px 32px -16px rgba(42, 55, 75, .75); }
.cta:focus-visible { outline: 2.5px solid var(--orange); outline-offset: 3px; }

.cta-arrow {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--orange-mid);
  color: var(--navy);
  transition: transform .3s var(--ease);
}
.cta-arrow svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cta:hover .cta-arrow { transform: rotate(45deg); }

.footer-link { text-decoration: underline; text-decoration-color: var(--orange-mid); text-underline-offset: 3px; }

.palette {
  width: 100%;
  max-width: 210px;
  margin: 28px auto 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.palette span { height: 5px; border-radius: 3px; }
.palette span:nth-child(1) { background: var(--orange-mid); }
.palette span:nth-child(2) { background: var(--pink-mid); }
.palette span:nth-child(3) { background: var(--green-mid); }
.palette span:nth-child(4) { background: var(--blue-mid); }
.palette span:nth-child(5) { background: var(--grey-mid); }

/* ---------- Unidades ---------- */

.units { padding: 38px 0 0; }

.units-head { margin: 0 4px 16px; }

.units-title { margin: 0; font-size: 24px; font-weight: 800; letter-spacing: -.01em; }
.units-title span { margin-left: 6px; font-size: 15px; font-weight: 500; color: var(--teal); }

.hint {
  margin: 8px 0 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
}
.hint svg {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  fill: none;
  stroke: var(--orange);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hint [lang="uk"] { font-size: 12.5px; }

.unit-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }

.unit {
  scroll-margin-top: 86px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow .35s var(--ease), transform .35s var(--ease);
}
.unit.is-open { box-shadow: 0 0 0 1.5px var(--t-mid), var(--shadow-lg); }

.unit-head {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  margin: 0;
  padding: 14px 16px 14px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 0;
  border-radius: var(--radius);
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.unit-head:focus-visible { outline: 2.5px solid var(--t-fg); outline-offset: 2px; }

.unit-num {
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: var(--t-mid);
  font-size: 17px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  transition: transform .45s var(--ease), border-radius .45s var(--ease);
}
.unit.is-open .unit-num { border-radius: 50%; transform: rotate(-8deg); }

.unit-meta { flex: 1; min-width: 0; display: grid; gap: 3px; }

.unit-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
}

.unit-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
  text-wrap: pretty;
}

.unit-chev {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--t-bg);
  color: var(--t-fg);
  transition: transform .45s var(--ease), background-color .3s, color .3s;
}
.unit-chev svg { width: 18px; height: 18px; }
.unit.is-open .unit-chev { transform: rotate(180deg); background: var(--t-mid); color: var(--navy); }

/* Despliegue suave: de 0fr a 1fr */
.unit-panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows .45s var(--ease), visibility 0s linear .45s;
}
.unit.is-open .unit-panel {
  grid-template-rows: 1fr;
  visibility: visible;
  transition: grid-template-rows .45s var(--ease), visibility 0s;
}

.unit-panel-inner { min-height: 0; overflow: hidden; }

.unit-panel-inner > * {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .25s, transform .35s var(--ease);
}
.unit.is-open .unit-panel-inner > * {
  opacity: 1;
  transform: none;
  transition-delay: .08s;
}

/* ---------- Pistas ---------- */

.tracks { list-style: none; margin: 0; padding: 0 12px 12px; display: grid; gap: 8px; }

.track {
  padding: 12px 12px 10px;
  border-radius: 14px;
  background: var(--t-bg);
  transition: background-color .3s, box-shadow .3s;
}
.track.is-playing { background: #fff; box-shadow: 0 0 0 1.5px var(--t-mid); }

.track-info { display: flex; align-items: center; gap: 10px; margin: 0 2px 9px; }

.track-n {
  flex: none;
  padding: 4px 9px;
  border-radius: 999px;
  background: #fff;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  transition: background-color .3s;
}
.track.is-playing .track-n { background: var(--t-mid); }

.track-title { flex: 1; min-width: 0; font-size: 14px; font-weight: 600; line-height: 1.3; }

/* ecualizador animado mientras suena la pista */
.eq { display: none; flex: none; align-items: flex-end; gap: 2px; height: 14px; }
.eq i {
  width: 3px;
  height: 100%;
  border-radius: 2px;
  background: var(--t-fg);
  transform-origin: bottom;
  animation: eq .9s ease-in-out infinite;
}
.eq i:nth-child(2) { animation-delay: -.3s; }
.eq i:nth-child(3) { animation-delay: -.6s; }
.track.is-playing .eq { display: inline-flex; }

@keyframes eq {
  0%, 100% { transform: scaleY(.3); }
  50% { transform: scaleY(1); }
}

audio { display: block; width: 100%; height: 40px; border-radius: 999px; }
audio::-webkit-media-controls-panel { background-color: #fff; }

.track-error { margin: 8px 2px 0; font-size: 12.5px; font-weight: 600; color: var(--pink); }

/* Unidad sin audios todavía */
.empty {
  margin: 0 12px 12px;
  padding: 18px 16px;
  display: grid;
  justify-items: center;
  gap: 4px;
  border: 1.5px dashed var(--t-mid);
  border-radius: 14px;
  background: var(--t-bg);
  text-align: center;
  font-size: 14px;
  font-weight: 600;
}
.empty svg {
  width: 24px;
  height: 24px;
  margin-bottom: 4px;
  fill: none;
  stroke: var(--t-fg);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.empty [lang="uk"] { font-size: 13px; font-weight: 500; color: var(--muted); }

.noscript, .load-error { padding: 16px; border-radius: 14px; background: var(--pink-bg); font-weight: 600; text-align: center; }

/* ---------- Pie ---------- */

.footer {
  max-width: var(--maxw);
  margin: 44px auto 0;
  padding: 0 16px calc(36px + env(safe-area-inset-bottom));
  display: grid;
  gap: 4px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}
.footer .palette { margin: 0 auto 18px; max-width: 120px; }
.footer strong { font-size: 12.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--navy); }

/* ---------- Pantallas grandes ---------- */

@media (min-width: 760px) {
  .hero {
    grid-template-columns: auto 1fr;
    align-items: center;
    justify-items: start;
    column-gap: 48px;
    padding: 56px 0 10px;
    text-align: left;
  }
  .cover-wrap { margin: 0 0 0 12px; }
  .cover { width: 210px; }
  .eyebrow, .chips { justify-content: flex-start; }
  .hero-text .palette { margin-left: 0; }
  .unit-head:hover .unit-chev { background: var(--t-mid); }
  .unit:hover { transform: translateY(-1px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
    animation: none !important;
  }
}