/* ============================================================
   PANEL inferior — detalle del proyecto seleccionado
   ============================================================ */

.panel {
  z-index: 4;
  padding: 6px clamp(16px, 3vw, 44px) 14px;
  /* altura fija → no se mueve al cambiar de proyecto (flechas estables)
     y el contenido queda anclado en la parte inferior de la pantalla */
  height: min(304px, 47vh);
  flex: none;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.panel__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: end;
  padding: 12px clamp(18px, 2.5vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--glass);
  border: 1px solid var(--stroke);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  backdrop-filter: blur(20px) saturate(1.2);
  box-shadow: var(--shadow-soft);
  animation: panelIn .6s var(--ease-os);
}
@keyframes panelIn { from { opacity: 0; transform: translateY(16px); } }

.panel__key { animation: panelSwap .45s var(--ease-os); }
@keyframes panelSwap { from { opacity: 0; transform: translateY(10px); filter: blur(6px); } }

.panel__title {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 700; line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.panel__desc {
  color: var(--text-1); font-size: .92rem; line-height: 1.5;
  max-width: 62ch;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.panel__stats { display: flex; flex-wrap: wrap; gap: 22px; margin: 10px 0; }
.panel__stat { display: flex; flex-direction: column; gap: 2px; }
.panel__stat b { font-size: 1.15rem; font-weight: 700; }
.panel__stat span { font-size: .7rem; color: var(--text-2); text-transform: uppercase; letter-spacing: .06em; }

.panel__topics { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.topic-tag {
  font-size: .72rem; padding: 5px 11px; border-radius: 999px;
  background: rgba(var(--accent-rgb),0.1); border: 1px solid rgba(var(--accent-rgb),0.25);
  color: var(--text-0);
}

.panel__readme {
  color: var(--text-2); font-size: .82rem; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  border-left: 2px solid rgba(var(--accent-rgb),0.4);
  padding-left: 14px;
  margin-bottom: 4px;
}

.panel__right { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.panel__actions { display: flex; flex-wrap: wrap; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 14px;
  font-size: .88rem; font-weight: 600;
  border: 1px solid var(--stroke);
  background: var(--glass);
  color: var(--text-0);
  transition: transform .25s var(--ease-os), background .25s, box-shadow .25s, border-color .25s;
  flex: 1 1 auto; min-width: 130px;
}
.btn svg { width: 17px; height: 17px; }
.btn:hover { transform: translateY(-3px); border-color: var(--stroke-strong); }
.btn:active { transform: translateY(-1px) scale(.98); }
.btn--primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-deep));
  border-color: rgba(var(--accent-rgb),0.6);
  box-shadow: var(--shadow-glow);
}
.btn--primary:hover { box-shadow: 0 0 54px -4px rgba(var(--accent-rgb),0.7); }
.btn--demo { color: #7dff9b; }
.btn:disabled { opacity: .4; pointer-events: none; }

.panel__langbar {
  display: flex; height: 8px; border-radius: 999px; overflow: hidden;
  background: rgba(255,255,255,0.06); border: 1px solid var(--stroke);
}
.panel__langbar > span { height: 100%; transition: width .6s var(--ease-os); }
.panel__langlegend { display: flex; flex-wrap: wrap; gap: 10px; font-size: .7rem; color: var(--text-2); }
.panel__langlegend span { display: inline-flex; align-items: center; gap: 5px; }
.panel__langlegend i { width: 8px; height: 8px; border-radius: 50%; }

@media (max-width: 900px) {
  .panel__inner { grid-template-columns: 1fr; gap: 14px; padding: 16px; }
  .panel__desc { -webkit-line-clamp: 2; }
  .panel__readme { display: none; }
}

/* Pantallas de poca altura: panel compacto (sin README ni hints) para dejar
   más espacio a las tarjetas, que así se ven claramente más grandes. */
@media (max-height: 820px) {
  .panel { height: min(262px, 38vh); }
  .panel__readme { display: none; }
  .hints { display: none; }
}

/* MÓVIL: el panel toma su altura natural (la página scrollea), sin recortes.
   Va después de la media query de altura para ganar en especificidad. */
@media (max-width: 720px) {
  .panel {
    height: auto;
    overflow: visible;
    padding: 6px 14px 26px;
  }
  .panel__inner {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 16px;
    animation: none;   /* evita saltos al reflowar en móvil */
  }
  .panel__title { font-size: clamp(1.3rem, 6vw, 1.7rem); }
  .panel__desc { -webkit-line-clamp: 3; font-size: .88rem; }
  .panel__stats { gap: 18px; margin: 6px 0; }
  .panel__actions { gap: 8px; }
  .btn { flex: 1 1 100%; padding: 13px 18px; }
}