/* Placeholder del navbar: mientras nav-component.js inyecta el header,
   #nav-root está vacío. Dibujamos una barra fija con el mismo fondo, alto y
   z-index que el nav real para que no haya "pop" al cargar la página.
   Desaparece en cuanto #nav-root deja de estar vacío. */
#nav-root:empty::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 68px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 68px;
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}
.nav.scrolled {
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-text);
  flex-shrink: 0;
}
.nav__logo-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
}
.nav__logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}
.nav__link {
  position: relative;
  padding: var(--space-2) var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover { color: var(--color-text); background: var(--color-surface-offset); }
.nav__link.active { color: var(--color-primary); }
.nav__link--dropdown { display: flex; align-items: center; gap: var(--space-1); }
.nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}
/* HyperChallenge: en escritorio solo el texto; el icono ⚡ aparece al colapsar el
   nav (≤1200px, ver mobile.css). Ambos van siempre en el DOM → el resize lo
   resuelve el CSS, sin JS (evita círculos vacíos / banner sin texto). */
.nav__right .btn--accent .hc-icon { display: none; }
.nav__search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.nav__search:hover { border-color: var(--color-primary); background: var(--color-surface-2); }
.nav__search input {
  background: none; border: none; outline: none;
  font: inherit; color: var(--color-text);
  width: 140px;
}
.nav__search input::placeholder { color: var(--color-text-muted); }
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn:active { transform: scale(0.97); }
.btn--ghost {
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover { color: var(--color-text); border-color: var(--color-text-muted); }
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 0 16px var(--color-primary-glow);
}
.btn--primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-glow); }
.btn--accent {
  background: var(--color-accent);
  color: #fff;
}
.btn--accent:hover { background: var(--color-accent-hover); }
.theme-toggle {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }
.nav__menu-btn {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.nav__menu-btn:hover { color: var(--color-text); background: var(--color-surface-offset); }
.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav-user__avatar {
  width: 32px; height: 32px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--color-primary);
}
.nav-user__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}
.nav-user__avatar-wrap {
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-user__dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s, visibility 0.18s, transform 0.18s;
  z-index: 200;
}
.nav-user__dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-user__dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  width: 100%;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.15s;
  text-decoration: none;
}
.nav-user__dropdown-item:hover {
  background: var(--color-surface-offset);
}
.nav-user__dropdown-item--danger { color: var(--color-error, #ef4444); }
.nav-user__dropdown-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.nav-equipo__badge {
  width: 44px; height: 44px;
  aspect-ratio: 1 / 1;
  flex-shrink: 0;
  object-fit: contain;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,.5));
  transition: transform var(--transition);
}
.nav-equipo__badge:hover { transform: scale(1.15); }

/* ── Modal selector de equipo ── */
.modal-content--equipos {
  max-width: 640px;
  width: 95vw;
  max-height: 80vh;
  overflow-y: auto;
}
.equipos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.equipo-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  background: var(--color-surface-offset);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.equipo-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-2);
  transform: translateY(-2px);
}
.equipo-btn.selected {
  border-color: var(--color-primary);
  background: oklch(from var(--color-primary) l c h / 0.12);
}
.equipo-btn img {
  width: 52px; height: 52px;
  object-fit: contain;
}
.equipo-btn span {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.2;
}
.btn-omitir {
  display: block;
  width: 100%;
  padding: var(--space-2);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
}
.btn-omitir:hover { color: var(--color-text); }

.equipo-card {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.equipo-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: 
    0 12px 24px rgba(76, 175, 106, 0.25),
    0 0 0 2px var(--color-primary);
}

.equipo-card:hover::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shine 0.6s ease;
}

@keyframes shine {
  to { left: 100%; }
}