/* =========================================================
   02 · PANEL
   Panel lateral (escritorio) / hoja inferior (móvil) con la info de cada letra.
   Lo rellena js/panel.js con los datos de js/00-data.js.

   Animaciones: panel-slide (entrada del panel) · panel-body-swap (al cambiar de letra)
   ========================================================= */
.panel{
  position:fixed;z-index:10;top:0;right:0;bottom:0;width:var(--panel-w);
  background:var(--panel-bg);border-left:1px solid var(--line);overflow-y:auto;
  transform:translateX(100%);visibility:hidden;
  transition:transform .9s var(--ease),visibility 0s .9s;   /* panel-slide */
  --c:var(--accent);--ink:#fff;
}
.panel.is-open{transform:none;visibility:visible;transition:transform .9s var(--ease),visibility 0s}
.panel::before{                      /* brillo del color de la letra, abajo */
  content:"";position:fixed;right:0;bottom:0;width:var(--panel-w);height:55%;pointer-events:none;
  background:radial-gradient(90% 70% at 50% 100%,color-mix(in srgb,var(--c) 14%,transparent),transparent 70%);
}

.panel__close{
  position:absolute;top:18px;right:18px;z-index:2;display:grid;place-items:center;
  width:36px;height:36px;border-radius:50%;color:var(--muted);transition:color .3s,background .3s;
}
.panel__close:hover{color:var(--text);background:rgba(255,255,255,.08)}

.panel__body{position:relative;display:flex;flex-direction:column;min-height:100%;padding:clamp(28px,3.4vw,48px) clamp(24px,3vw,44px)}
.panel__body.is-swap{animation:panel-body-swap .7s var(--ease)}

.panel__title{padding-right:36px;font-size:clamp(2rem,3vw,2.6rem);font-weight:500;letter-spacing:-.035em;line-height:1.05}
.panel__desc{margin-top:16px;max-width:44ch;font-size:1.02rem;line-height:1.45;color:rgba(255,255,255,.9)}

.panel__rows{margin-top:clamp(36px,6vh,72px)}
.panel__row{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:.92rem;
}
.panel__key{color:var(--muted)}
.panel__val{text-align:right}
.panel__link{border-bottom:1px solid var(--muted)}
.panel__link:hover{border-color:var(--text)}
.panel__chips{display:inline-flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.panel__chip{
  padding:2px 9px;border-radius:7px;font-size:.82rem;color:var(--ink);
  border:1px solid var(--c);background:color-mix(in srgb,var(--c) 20%,transparent);
}

.panel__cta{align-self:flex-start;margin-top:28px}

.panel__foot{margin-top:auto;padding-top:40px}
.panel__social{display:flex;gap:18px;flex-wrap:wrap;font-size:.88rem;color:var(--muted)}
.panel__social a{transition:color .3s}
.panel__social a:hover{color:var(--text)}
.panel__note{margin-top:12px;font-size:.78rem;color:var(--muted)}

@keyframes panel-body-swap{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* móvil: hoja inferior */
@media (max-width:760px){
  .panel{
    top:auto;left:0;width:auto;height:var(--sheet-h);
    border-left:0;border-top:1px solid var(--line);border-radius:26px 26px 0 0;
    transform:translateY(100%);
  }
  .panel::before{width:100%;left:0}
}