/* ═══════════════════════════════════════════════
   intro-esc-menu.css — Menú de configuración ESC
═══════════════════════════════════════════════ */

#esc-menu {
  position:fixed; inset:0; z-index:9000;
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .3s ease, visibility 0s linear .3s;
}
#esc-menu.show { opacity:1; visibility:visible; pointer-events:all; transition:opacity .3s ease, visibility 0s linear 0s; }

#esc-backdrop {
  position:absolute; inset:0;
  background:rgba(0,0,0,.78);
  backdrop-filter:blur(12px);
}

.esc-panel {
  position:relative; z-index:1;
  background:rgba(6,10,28,.98);
  border:1px solid rgba(0,240,255,.2);
  border-radius:16px; width:460px;
  overflow:hidden;
  box-shadow:0 0 80px rgba(0,240,255,.08), 0 40px 80px rgba(0,0,0,.9);
  animation:panelIn .3s var(--ease-out) both;
}
.esc-accent {
  height:3px;
  background:linear-gradient(90deg, transparent, var(--cyan) 30%, var(--blue) 70%, transparent);
}
.esc-header {
  padding:24px 28px 20px;
  border-bottom:1px solid rgba(255,255,255,.06);
  display:flex; align-items:center; justify-content:space-between;
}
.esc-title {
  font-family:var(--font-ui); font-weight:700;
  font-size:20px; letter-spacing:3px;
  color:white; text-transform:uppercase;
}
.esc-close {
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  color:var(--muted); width:34px; height:34px;
  border-radius:50%; cursor:none; font-size:14px;
  display:flex; align-items:center; justify-content:center;
  transition:all .2s;
}
.esc-close:hover { background:rgba(239,68,68,.15); border-color:var(--red); color:var(--red); }

.esc-body { padding:24px 28px; display:flex; flex-direction:column; gap:22px; }

.setting-row { display:flex; flex-direction:column; gap:10px; }
.setting-label {
  font-family:var(--font-ui); font-weight:600;
  font-size:12px; letter-spacing:3px;
  color:var(--muted); text-transform:uppercase;
  display:flex; align-items:center; gap:8px;
}

.volume-row { display:flex; align-items:center; gap:14px; }
.vol-icon   { font-size:16px; color:var(--muted); min-width:20px; text-align:center; }

.vol-slider {
  flex:1; -webkit-appearance:none;
  height:4px; background:rgba(255,255,255,.1);
  border-radius:2px; outline:none; cursor:none;
}
.vol-slider::-webkit-slider-thumb {
  -webkit-appearance:none;
  width:16px; height:16px; border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px var(--cyan);
  cursor:none; transition:transform .15s;
}
.vol-slider::-webkit-slider-thumb:hover { transform:scale(1.3); }

.vol-value {
  font-family:var(--font-mono); font-size:13px;
  color:var(--cyan); min-width:36px; text-align:right;
}

.lang-toggle { display:flex; gap:8px; }
.lang-btn {
  flex:1; padding:10px 0;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.03);
  border-radius:8px;
  font-family:var(--font-ui); font-weight:700;
  font-size:13px; letter-spacing:2px;
  color:var(--muted); cursor:none; text-transform:uppercase;
  transition:all .2s;
  display:flex; align-items:center; justify-content:center; gap:8px;
}
.lang-btn:hover { border-color:rgba(0,240,255,.3); color:white; }
.lang-btn.active {
  background:rgba(0,240,255,.1);
  border-color:var(--cyan); color:var(--cyan);
}

.esc-divider { height:1px; background:rgba(255,255,255,.05); }

.btn-quit {
  width:100%; padding:13px;
  border:1px solid rgba(239,68,68,.3);
  background:rgba(239,68,68,.08);
  border-radius:8px;
  font-family:var(--font-ui); font-weight:700;
  font-size:14px; letter-spacing:3px; text-transform:uppercase;
  color:var(--red); cursor:none; transition:all .25s;
}
.btn-quit:hover {
  background:rgba(239,68,68,.18);
  border-color:var(--red);
  box-shadow:0 0 20px rgba(239,68,68,.2);
}