/* ==========================================================================
   Novia a la Fuga · Selector de canciones
   Diseño mobile first: negro cálido, hilos dorados, serif para los títulos.
   ========================================================================== */

:root{
  --bg:#0a0a0c;
  --bg-soft:#101014;
  --surface:#141419;
  --surface-2:#1c1c23;
  --gold:#d8c08a;
  --gold-dim:#9c8757;
  --line:rgba(216,192,138,.15);
  --line-2:rgba(216,192,138,.30);
  --text:#f3f1ed;
  --muted:#98948d;
  --err:#e39494;
  --ok:#93c9ab;
  --r:14px;
  --r-sm:10px;
  --bar:84px;
  --pad:20px;
  --maxw:760px;
  --serif:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  font-weight:300;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(var(--bar) + env(safe-area-inset-bottom));
  overflow-x:hidden;
}

button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}

.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--gold);color:#000;padding:.75rem 1.1rem;font-weight:500}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ============================== PORTADA ============================== */
.hero{
  position:relative;
  min-height:78svh;
  display:grid;
  place-items:center;
  text-align:center;
  padding:4rem var(--pad) 3.5rem;
  overflow:hidden;
  background:
    radial-gradient(90% 60% at 50% 0%,rgba(216,192,138,.10) 0%,transparent 70%),
    linear-gradient(180deg,#101014 0%,var(--bg) 100%);
}
.hero__veil{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 45% at 50% 42%,rgba(216,192,138,.07),transparent 70%);
}
.hero__inner{position:relative;max-width:30rem}

.hero__kicker{
  margin:0 0 1.6rem;
  font-size:.66rem;letter-spacing:.42em;text-transform:uppercase;
  color:var(--gold-dim);font-weight:500;
}
.hero__title{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(3rem,15vw,4.6rem);
  line-height:1.02;
  letter-spacing:.005em;
  margin:0;
  color:var(--text);
}
.hero__rule{
  display:flex;align-items:center;justify-content:center;gap:.9rem;
  margin:1.5rem auto 1.7rem;max-width:13rem;
  color:var(--gold);font-size:.85rem;
}
.hero__rule span{flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent)}

.hero__lead{
  font-family:var(--serif);
  font-size:clamp(1.25rem,5vw,1.5rem);
  font-style:italic;
  line-height:1.5;
  color:var(--text);
  margin:0 0 .9rem;
}
.hero__note{margin:0;color:var(--muted);font-size:.9rem}
.hero__note strong{color:var(--gold);font-weight:500}

.hero__cta{
  display:inline-block;margin-top:2.6rem;
  padding:.95rem 2.8rem;
  border:1px solid var(--line-2);
  color:var(--gold);
  text-decoration:none;
  font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;font-weight:500;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.hero__cta:hover{background:var(--gold);color:#000;border-color:var(--gold)}

/* =============================== LAYOUT =============================== */
main{max-width:var(--maxw);margin-inline:auto;padding:0 var(--pad)}

.card{
  padding:2.4rem 0;
  border-top:1px solid var(--line);
}
.card:first-of-type{border-top:0;padding-top:2.8rem}

.card__step{
  margin:0 0 .85rem;
  font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;
  color:var(--gold-dim);font-weight:500;
}
.card__title{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(1.85rem,7vw,2.4rem);
  line-height:1.15;margin:0 0 .5rem;
}
.card__sub{margin:0 0 1.9rem;color:var(--muted);font-size:.92rem}
.card__sub strong{color:var(--gold);font-weight:500}

/* =============================== CAMPOS =============================== */
.fields{display:grid;gap:1.3rem;grid-template-columns:1fr 1fr}
.field{display:flex;flex-direction:column;gap:.5rem;min-width:0}
.field--wide{grid-column:1/-1}

/* Solo las etiquetas de los campos: .song tambien es un <label>. */
.field > label{
  font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);font-weight:500;
}
.field > label i{color:var(--gold);font-style:normal}

input[type=text],input[type=email],input[type=tel],
input[type=date],input[type=time],input[type=search],textarea{
  width:100%;
  min-height:52px;
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
  padding:.55rem 0;
  font-size:16px; /* evita el zoom automatico en iOS */
  font-weight:300;
  transition:border-color .2s ease;
  -webkit-appearance:none;appearance:none;
}
input::placeholder,textarea::placeholder{color:#5f5c57}
input:focus,textarea:focus{outline:none;border-bottom-color:var(--gold)}
input[aria-invalid=true]{border-bottom-color:var(--err)}
textarea{min-height:5rem;resize:vertical;font-family:inherit;line-height:1.6}
input[type=date],input[type=time]{color-scheme:dark}

.err{margin:0;font-size:.78rem;color:var(--err)}
.err:empty{display:none}
.err--block{margin-top:1.1rem}

/* =============================== BUSCADOR =============================== */
.search{position:relative;margin-bottom:1rem}
.search svg{
  position:absolute;left:0;top:50%;translate:0 -50%;
  width:1rem;height:1rem;fill:var(--muted);pointer-events:none;
}
.search input{padding-left:1.8rem;padding-right:2.2rem}
.search input::-webkit-search-cancel-button{display:none}
.search button{
  position:absolute;right:0;top:50%;translate:0 -50%;
  width:2.2rem;height:2.2rem;border:0;background:transparent;
  color:var(--muted);font-size:1.4rem;line-height:1;
}
.search button:hover{color:var(--gold)}

.filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.4rem}
.pill{
  border:1px solid var(--line);
  background:transparent;color:var(--muted);
  padding:.55rem 1.1rem;border-radius:999px;
  font-size:.76rem;letter-spacing:.09em;font-weight:400;
  display:inline-flex;align-items:center;gap:.45rem;
  min-height:40px;
  transition:all .18s ease;
}
.pill:hover{border-color:var(--line-2);color:var(--text)}
.pill[aria-pressed=true]{background:var(--gold);border-color:var(--gold);color:#000;font-weight:500}
.pill--quiet{margin-left:auto}
.pill__n{
  background:var(--surface-2);color:var(--muted);
  border-radius:999px;padding:0 .45rem;font-size:.7rem;min-width:1.35rem;text-align:center;
}
.pill[aria-pressed=true] .pill__n{background:rgba(0,0,0,.22);color:#000}

.empty{
  margin:0 0 1.2rem;padding:2rem 1rem;text-align:center;
  color:var(--muted);font-size:.9rem;font-style:italic;
  border:1px dashed var(--line);border-radius:var(--r-sm);
}

/* =============================== CANCIONES =============================== */
.songs{display:grid;gap:1px;background:var(--line);border-block:1px solid var(--line)}

.song{
  position:relative;display:flex;align-items:center;gap:1rem;
  padding:.95rem .2rem;min-height:64px;
  background:var(--bg);
  cursor:pointer;
  transition:background .18s ease,padding-left .18s ease;
  -webkit-tap-highlight-color:transparent;
}
.song:hover{background:var(--bg-soft)}
.song input{position:absolute;opacity:0;width:0;height:0}

.song__box{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line-2);
  display:grid;place-items:center;
  transition:all .2s ease;
}
.song__box svg{width:11px;height:11px;fill:#000;opacity:0;transform:scale(.4);transition:all .2s ease}

.song__txt{min-width:0;flex:1}
/* El titulo de la cancion es lo que se lee primero; el grupo, debajo. */
.song__t{
  display:block;font-family:var(--serif);
  font-size:1.28rem;font-weight:600;line-height:1.25;
  color:var(--text);letter-spacing:.005em;overflow-wrap:anywhere;
}
.song__a{
  display:block;margin-top:.12rem;
  font-size:.74rem;font-weight:400;line-height:1.3;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);overflow-wrap:anywhere;
}

.song input:checked ~ .song__box{background:var(--gold);border-color:var(--gold)}
.song input:checked ~ .song__box svg{opacity:1;transform:scale(1)}
.song.is-on{background:var(--bg-soft);padding-left:.75rem;box-shadow:inset 2px 0 0 var(--gold)}
.song.is-on .song__t{color:var(--gold)}
.song input:focus-visible ~ .song__box{outline:2px solid var(--gold);outline-offset:3px}

.song.is-off{opacity:.34;cursor:not-allowed}
.song.is-off:hover{background:var(--bg)}
.song[hidden]{display:none}

/* ================================ RESUMEN ================================ */
.picked{border:1px solid var(--line);border-radius:var(--r);padding:1.3rem 1.4rem;margin-bottom:1.6rem}
.picked__head{
  margin:0 0 1rem;display:flex;align-items:center;gap:.7rem;
  font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:500;
}
.picked__n{background:var(--gold);color:#000;border-radius:999px;padding:.05rem .6rem;font-size:.72rem;font-weight:600}
.picked__list{margin:0;padding-left:1.3rem;display:grid;gap:.45rem}
.picked__list li{overflow-wrap:anywhere;color:var(--muted);line-height:1.35}
.picked__list li em{
  font-family:var(--serif);font-style:normal;font-weight:600;
  font-size:1.08rem;color:var(--text);
}
.picked__list li strong{
  font-size:.7rem;font-weight:400;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);
}
.picked__empty{list-style:none;margin-left:-1.3rem;font-style:italic}

.sendnote{margin:0;font-size:.84rem;color:var(--muted)}
.sendnote strong{color:var(--gold);font-weight:400}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.alert{
  margin-top:1.3rem;padding:1rem 1.1rem;border-radius:var(--r-sm);
  font-size:.87rem;line-height:1.6;
  border:1px solid var(--err);background:rgba(227,148,148,.08);color:#f0c4c4;
}
.alert strong{font-weight:600}
.alert a{color:var(--gold)}
.alert small{display:block;margin-top:.5rem;opacity:.7;font-size:.78rem;word-break:break-word}

/* ================================= ÉXITO ================================= */
.done{max-width:var(--maxw);margin:0 auto;padding:4rem var(--pad) 3rem;text-align:center}
.done__mark{font-size:2.4rem;color:var(--gold);margin:0 0 1rem;line-height:1}
.done h2{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,8vw,2.7rem);margin:0 0 1rem}
.done__lead{margin:0 auto;max-width:28rem;color:var(--muted);font-size:.95rem}

/* ========================== BARRA DE ENVÍO ========================== */
.bar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  background:rgba(10,10,12,.93);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding:.85rem var(--pad) calc(.85rem + env(safe-area-inset-bottom));
}
.bar__inner{
  max-width:var(--maxw);margin-inline:auto;
  display:flex;align-items:center;gap:1.1rem;
}
.bar__meter{flex:1;min-width:0}
.bar__count{margin:0;font-family:var(--serif);line-height:1;display:flex;align-items:baseline;gap:.15rem}
.bar__count strong{font-size:1.75rem;font-weight:600;color:var(--gold)}
.bar__count span{font-size:1rem;color:var(--muted)}
.bar__count i{font-style:normal}
.bar__track{height:2px;background:var(--surface-2);margin:.45rem 0 .35rem;overflow:hidden}
.bar__track i{display:block;height:100%;width:0;background:var(--gold);transition:width .3s ease}
.bar.is-full .bar__track i{background:var(--ok)}
.bar__label{margin:0;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.send{
  flex:0 0 auto;
  border:1px solid var(--gold);background:var(--gold);color:#000;
  padding:0 1.9rem;min-height:52px;border-radius:999px;
  font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  transition:opacity .2s ease,transform .15s ease;
}
.send:hover:not(:disabled){transform:translateY(-1px)}
.send:disabled{opacity:.5;cursor:not-allowed;transform:none}
.send__spin{
  display:none;width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(0,0,0,.25);border-top-color:#000;
  animation:spin .7s linear infinite;
}
.send.is-busy .send__spin{display:block}
@keyframes spin{to{transform:rotate(360deg)}}

/* ================================ FOOTER ================================ */
.footer{text-align:center;padding:3rem var(--pad) 2.5rem;border-top:1px solid var(--line);margin-top:2rem}
.footer__brand{
  font-family:var(--serif);font-size:1.15rem;margin:0 0 .7rem;color:var(--gold);letter-spacing:.04em;
}
.footer__links{margin:0;font-size:.82rem;color:var(--muted);display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap}
.footer a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line)}
.footer a:hover{color:var(--gold)}

/* ================================= TOAST ================================= */
.toast{
  position:fixed;left:50%;bottom:calc(var(--bar) + 1rem + env(safe-area-inset-bottom));
  translate:-50% 0;z-index:70;
  background:var(--gold);color:#000;
  padding:.7rem 1.3rem;border-radius:999px;
  font-size:.8rem;font-weight:500;letter-spacing:.02em;
  max-width:min(90vw,24rem);text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,.5);
  animation:rise .22s ease;
}
@keyframes rise{from{opacity:0;translate:-50% 10px}to{opacity:1;translate:-50% 0}}

/* ============================== ESCRITORIO ============================== */
@media(min-width:680px){
  :root{--pad:32px}
  .card{padding:3.2rem 0}
  .songs{grid-template-columns:1fr 1fr;gap:1px}
  .song{padding-inline:1rem}
  .picked__list{grid-template-columns:1fr 1fr;column-gap:1.8rem}
}

/* Movil estrecho: la barra respira mejor en dos alturas */
@media(max-width:400px){
  .bar__inner{gap:.8rem}
  .send{padding:0 1.4rem;letter-spacing:.14em}
  .bar__count strong{font-size:1.5rem}
}

body.is-done{padding-bottom:0}
.bar[hidden],
.hero[hidden]{display:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}