/* ==========================================================================
   Componentes con efecto cristal (glassmorphism)
   ========================================================================== */

.glass,
.card-glass,
.glass-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-inset), var(--shadow-1);
}

.card-glass {
  padding: var(--space-md);
  transition: background var(--transition-slow), border-color var(--transition-slow),
    transform var(--transition-slow), box-shadow var(--transition-slow);
}

.card-glass:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-inset), var(--shadow-2);
}

/* Header con blur */
.site-header {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 113, 227, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(0, 113, 227, 0.3);
  border-radius: 16px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge.badge-secondary {
  background: rgba(52, 199, 89, 0.15);
  color: var(--accent-secondary);
  border-color: rgba(52, 199, 89, 0.3);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  padding: 14px 32px;
  box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 113, 227, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid rgba(0, 113, 227, 0.3);
  padding: 12px 28px;
}

.btn-secondary:hover {
  background: rgba(0, 113, 227, 0.1);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Toggle de tema */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: var(--text-primary);
}

.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: inline-block; }
[data-theme="light"] .theme-toggle .icon-sun { display: inline-block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Toast notifications */
.toast {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 9999;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  color: var(--text-primary);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-fast);
  pointer-events: none;
}

.toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-success { border-left: 3px solid var(--accent-secondary); }
.toast.toast-error { border-left: 3px solid #ff453a; }

/* Scroll to top */
.scroll-top-btn {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 999;
}

.scroll-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn svg {
  width: 20px;
  height: 20px;
  fill: var(--text-primary);
}