/* styles.css — v10: Animaciones de fundido + fixes anteriores */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
:root{ --rosa:#ffe6eb; --vino:#5c2a2a; --vino-osc:#4a1f1f; --blanco:#fff }
*{ box-sizing:border-box }
html,body{ height:100%; margin:0 }

body{
  min-height:100vh;
  background:linear-gradient(135deg,var(--rosa),var(--blanco));
  color:var(--vino);
  font-family:'Crimson Text',serif;
  display:block;
  overflow-y:auto;
}

/* ---------- Velo para fundidos ---------- */
#veil{
  position: fixed;
  inset: 0;
  background: #ffffff;
  pointer-events: none;
  opacity: 1;
  transition: opacity .6s ease;
  z-index: 9999;
}
#veil.hidden{ opacity: 0; }

/* Respetar usuarios con reduced motion */
@media (prefers-reduced-motion: reduce){
  #veil{ transition: none; opacity: 0 !important; }
}

.wrap{ width:100%; max-width:960px; padding:24px; margin:0 auto }
.card{
  background:rgba(255,255,255,.75);
  backdrop-filter: blur(8px);
  border-radius:24px;
  box-shadow:0 16px 40px rgba(0,0,0,.1);
  padding:32px 28px;
  margin:0 auto;
  text-align:center;
}

/* Intro visible por defecto */
.intro{
  min-height:100svh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  padding:24px;
  animation:fade .6s ease both;
}
.intro h1{ font-family:'Dancing Script',cursive; font-size:clamp(2.2rem,6vw,3.6rem); margin:0 0 12px }
.intro p{ margin:0 0 24px; font-size:1.15rem; opacity:.9 }
.btn{
  cursor:pointer; padding:14px 28px; border:none; border-radius:999px;
  background:linear-gradient(135deg,var(--vino),var(--vino-osc));
  color:#fff; font-weight:700; font-size:1.05rem; text-decoration:none;
  box-shadow:0 8px 20px rgba(92,42,42,.25);
}

/* Poema oculto inicialmente; se muestra con .show */
.poema-view{ display:none; opacity:0; transform:translateY(8px) }
.poema-view.show{ display:block; opacity:1; transform:none; transition:opacity .45s ease, transform .45s ease }
.heading{ font-family:'Dancing Script',cursive; font-size:clamp(2rem,5vw,3rem); margin:0 0 8px }
.dedicatoria{ margin:0 0 20px; opacity:.8 }

/* ---------- TOPBAR RESPONSIVO ---------- */
.topbar{
  display:grid;
  grid-template-columns: 1fr auto; /* chip a la izq, controles a la der */
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.chip{
  background:rgba(255,255,255,.85);
  padding:6px 12px;
  border-radius:999px;
  justify-self:start;
  max-width:100%;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.controls{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  min-width:0;
  width:100%;
}
.icon-btn{
  border:none; background:rgba(255,255,255,.9);
  padding:8px 12px; border-radius:999px; cursor:pointer;
  font-weight:600; font-size:.95rem;
  flex:0 0 auto;
}
.vol{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,.9);
  padding:6px 10px;
  border-radius:999px;
  flex: 1 1 260px;
  min-width: 140px;
  max-width: 100%;
}
.vol input[type=range]{ width:100%; accent-color: var(--vino); min-width:0; }
.vol .pct{ min-width:34px; text-align:right }

@media (max-width: 560px){
  .topbar{ grid-template-columns: 1fr; gap:10px; }
  .chip{ justify-self:center; }
  .controls{ justify-content:stretch; }
  .icon-btn{ padding:6px 10px; font-size:.9rem; }
  .vol{ gap:6px; padding:6px 8px; flex:1 1 auto; min-width:0; }
  .vol .pct{ min-width:30px; font-size:.9rem; }
}
@media (max-width: 400px){
  .vol span:first-child{ display:none; }
}

/* ---------- POEMA: ajuste uniforme + párrafos ---------- */
.poema{
  font-size: clamp(0.95rem, 3.9vw, 1.25rem); /* máximo por viewport */
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  content-visibility: auto;
  contain-intrinsic-size: 800px 1200px;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}
.poema .poem-line{
  display:block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
  -webkit-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  will-change: font-size;
  font-size: 1em;      /* igual que el contenedor; JS reducirá UNIFORMEMENTE si hace falta */
  line-height: 1.25;
  margin: 0.15em 0;
}
.poema .para-gap{ height: 0.9em; content: "" }

@keyframes fade{ from{ opacity:0; transform:translateY(8px) } to { opacity:1; transform:none } }