/* UI compartida: modal, avisos y botón de música. Prefijo xvui- */

/* ---------- Modal ---------- */
.xvui-modal {
  position: fixed; inset: 0; z-index: var(--z-modal);
  display: flex; align-items: flex-end; justify-content: center;
}
.xvui-modal[hidden] { display: none; }
.xvui-backdrop {
  position: absolute; inset: 0;
  background: rgba(3, 4, 10, .72);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.xvui-sheet {
  position: relative; display: flex; flex-direction: column;
  width: 100%; max-height: 88vh; max-height: 88svh;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(230, 195, 111, .09), transparent 60%),
    linear-gradient(180deg, var(--night-800), var(--night-900));
  border: 1px solid var(--line); border-bottom: 0;
  border-radius: 1.5rem 1.5rem 0 0;
  box-shadow: 0 -20px 60px rgba(0, 0, 0, .55), inset 0 1px 0 rgba(251, 239, 200, .12);
  color: var(--text);
  padding-bottom: env(safe-area-inset-bottom);
  outline: none; will-change: transform;
}
.xvui-head {
  flex: none; text-align: center;
  padding: .6rem 3.25rem .9rem; touch-action: none; cursor: grab;
}
.xvui-grab {
  display: block; width: 2.5rem; height: .25rem; margin: 0 auto .9rem;
  border-radius: 99px; background: var(--line);
}
.xvui-orn { width: 5.5rem; height: auto; margin: 0 auto .35rem; color: var(--gold-400); }
.xvui-title {
  margin: 0; font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.6rem, 6.5vw, 2rem); line-height: 1.15; letter-spacing: .01em;
  background: var(--gold-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
  overflow-wrap: anywhere;
}
.xvui-title[hidden] { display: none; }
.xvui-body {
  flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain;
  padding: .25rem var(--gutter) 1.75rem;
  color: var(--text-muted); font-size: 1rem; line-height: 1.65;
  overflow-wrap: anywhere; -webkit-overflow-scrolling: touch;
}
.xvui-body p { margin: 0 0 1em; }
.xvui-body strong { color: var(--text); font-weight: 500; }
.xvui-close {
  position: absolute; top: .55rem; right: .55rem;
  width: 2.75rem; height: 2.75rem; display: grid; place-items: center;
  background: transparent; border: 1px solid transparent; border-radius: 50%;
  color: var(--gold-300); transition: background var(--dur-fast), border-color var(--dur-fast);
}
.xvui-close svg { width: 1.25rem; height: 1.25rem; }
.xvui-close:hover { background: rgba(230, 195, 111, .1); border-color: var(--line); }

@media (min-width: 641px) {
  .xvui-modal { align-items: center; }
  .xvui-sheet {
    width: min(30rem, calc(100vw - 3rem)); max-height: min(80vh, 44rem); max-height: min(80svh, 44rem);
    border: 1px solid var(--line); border-radius: 1.25rem; padding-bottom: 0;
    box-shadow: 0 30px 90px rgba(0, 0, 0, .6), 0 0 0 1px rgba(230, 195, 111, .06), var(--gold-glow);
  }
  .xvui-grab { display: none; }
  .xvui-head { padding-top: 1.6rem; cursor: default; touch-action: auto; }
}

/* ---------- Aviso (toast) ---------- */
.xvui-toasts {
  position: fixed; left: 0; right: 0; z-index: var(--z-toast);
  bottom: calc(env(safe-area-inset-bottom) + 1.25rem);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  padding: 0 1rem; pointer-events: none;
}
.xvui-toast {
  position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: .6rem;
  max-width: min(24rem, 100%); padding: .7rem 1.1rem .7rem .9rem;
  border-radius: 99px; border: 1px solid var(--gold-500);
  background: rgba(8, 11, 26, .92); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  color: var(--gold-200); font-size: .95rem; line-height: 1.35;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .5), var(--gold-glow);
}
.xvui-toast-star {
  flex: none; width: .9rem; height: .9rem; background: var(--gold-300);
  clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);
}
.xvui-toast-msg { min-width: 0; overflow-wrap: anywhere; }
.xvui-toast::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 242, 196, .28) 50%, transparent 65%);
  transform: translateX(-120%);
}
.xvui-toast.is-shining::after { animation: xvui-shine .9s var(--ease-out) forwards; }
@keyframes xvui-shine { to { transform: translateX(120%); } }

/* ---------- Botón de música ---------- */
.xvui-music {
  position: fixed; z-index: var(--z-music);
  top: calc(env(safe-area-inset-top) + .75rem); right: calc(env(safe-area-inset-right) + .75rem);
  width: 2.75rem; height: 2.75rem; padding: 0; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--line);
  background: rgba(8, 11, 26, .6); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  color: var(--gold-300);
  opacity: 0; visibility: hidden; transform: scale(.6) translateY(-8px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out), visibility 0s .7s,
              border-color var(--dur-fast), color var(--dur-fast);
}
.xvui-music.is-shown { opacity: 1; visibility: visible; transform: none; transition-delay: .2s, .2s, 0s, 0s, 0s; }
.xvui-music:hover { border-color: var(--gold-400); color: var(--gold-200); }
.xvui-music:active { transform: scale(.94); }
.xvui-music svg { width: 1.35rem; height: 1.35rem; overflow: visible; }
.xvui-eq rect { transform-box: fill-box; transform-origin: center; }
.xvui-mute { transition: opacity var(--dur-fast); }
.xvui-music.is-playing .xvui-mute { opacity: 0; }
.xvui-music:not(.is-playing) .xvui-eq { opacity: .75; }
.xvui-music-ring {
  position: absolute; inset: -1px; border-radius: 50%; border: 1px solid var(--gold-400);
  opacity: 0; pointer-events: none;
}
.xvui-music.is-playing { border-color: var(--gold-500); box-shadow: var(--gold-glow); }
.xvui-music.is-playing .xvui-music-ring { animation: xvui-ring 2.8s var(--ease-out) infinite; }
.xvui-music.is-playing .xvui-eq rect { animation: xvui-eq 1.1s var(--ease-in-out) infinite alternate; }
.xvui-music.is-playing .xvui-eq rect:nth-child(2) { animation-duration: .8s; animation-delay: -.3s; }
.xvui-music.is-playing .xvui-eq rect:nth-child(3) { animation-duration: 1.3s; animation-delay: -.6s; }
.xvui-music.is-playing .xvui-eq rect:nth-child(4) { animation-duration: .9s; animation-delay: -.1s; }
.xvui-music.is-playing .xvui-eq rect:nth-child(5) { animation-duration: 1.2s; animation-delay: -.8s; }
@keyframes xvui-eq { from { transform: scaleY(.35); } to { transform: scaleY(1.15); } }
@keyframes xvui-ring { 0% { transform: scale(1); opacity: .6; } 70%, 100% { transform: scale(1.55); opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .xvui-music { transform: none; transition: opacity .3s linear, visibility 0s; }
  .xvui-music.is-playing .xvui-eq rect, .xvui-music.is-playing .xvui-music-ring { animation: none; }
  .xvui-toast::after { display: none; }
}