/* music.css — control de música (vitrola 2D), fijo arriba a la derecha. */

.music-toggle {
  position: fixed;
  top: max(env(safe-area-inset-top), 0.75rem); right: 0.75rem;
  z-index: 60;
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: 0.4rem 0.7rem 0.4rem 0.4rem;
  background: rgba(253, 250, 243, 0.82);
  backdrop-filter: blur(6px);
  border: 1px solid var(--gold-light);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}

.vitrola { position: relative; width: 2.4rem; height: 2.4rem; flex: none; }
.vitrola__disc {
  position: absolute; inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--gold-light) 0 12%, transparent 13%),
    repeating-radial-gradient(circle at 50% 50%, #3a3128 0 1.5px, #2a231b 1.5px 3px);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.2);
}
.vitrola__label {
  position: absolute; inset: 34%;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, var(--gold-light), var(--gold-dark));
}
.music-toggle.is-playing .vitrola__disc { animation: spin 2.4s linear infinite; }

.vitrola__arm {
  position: absolute; top: -2px; right: 2px;
  width: 1.05rem; height: 0.28rem;
  background: var(--gold-dark);
  border-radius: var(--radius-pill);
  transform-origin: right center;
  /* En reposo el brazo está LEVANTADO (apoyado en su descanso, fuera del
     disco); al sonar baja la púa sobre los surcos. */
  transform: rotate(6deg);
  transition: transform 0.4s var(--ease-out);
}
.vitrola__arm::before {
  content: ""; position: absolute; left: -2px; top: -1px;
  width: 0.35rem; height: 0.5rem; border-radius: 2px; background: var(--gold);
}
.music-toggle.is-playing .vitrola__arm { transform: rotate(-32deg); }

.music-toggle__hint {
  font-family: var(--font-display); font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--gold-dark);
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   CUE — cartelito manuscrito que aparece al abrir la invitación, con una
   flecha curva que apunta a la vitrola. Se va solo al tocar, al scrollear o
   a los ~9s.
   ========================================================================== */

.music-cue {
  position: fixed;
  top: calc(max(env(safe-area-inset-top), 0.75rem) + 3.5rem);
  right: 1.1rem;
  z-index: 59;                 /* justo debajo del botón */
  /* En una sola línea (nota + flecha): apilado ocupa demasiado alto y en
     pantallas cortas se monta sobre el título de la portada. */
  display: flex;
  align-items: flex-end;
  gap: 0.3rem;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), visibility 0.6s;
}
.music-cue.is-on {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* Flecha curva dibujada a mano, apuntando arriba a la derecha (a la vitrola) */
.music-cue__arrow {
  flex: none;
  width: 2.7rem;
  height: 2rem;
  background: no-repeat center / contain
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 62 46'%3E%3Cg fill='none' stroke='%23A67C34' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 44 C 6 24 14 10 40 5'/%3E%3Cpath d='M30 12 L41 4.6 L44 17'/%3E%3C/g%3E%3C/svg%3E");
  animation: cue-bob 2.4s var(--ease-in-out) infinite;
}
@keyframes cue-bob {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(2px, -4px); }
}

.music-cue__text {
  font-family: var(--font-script);
  font-size: 1.3rem;
  line-height: 1.15;
  white-space: nowrap;
  padding-bottom: 0.15rem;
  color: var(--gold-dark);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.7);
}

/* Halo latiendo en el botón mientras el cartelito está a la vista */
.music-toggle.is-hinting { animation: cue-halo 2.4s var(--ease-in-out) infinite; }
@keyframes cue-halo {
  0%, 100% { box-shadow: var(--shadow-sm), 0 0 0 0 rgba(193, 152, 75, 0); }
  50%      { box-shadow: var(--shadow-sm), 0 0 0 9px rgba(193, 152, 75, 0.13); }
}

@media (prefers-reduced-motion: reduce) {
  .music-toggle.is-playing .vitrola__disc { animation: none; }
  .music-cue__arrow,
  .music-toggle.is-hinting { animation: none; }
}