/* ===== Variables Actualizadas ===== */
:root {
  --sb-w: 280px;
  --sb-w-c: 80px;
  --gap: 0.5rem;
  --glass-bg-light: rgba(255, 255, 255, 0.7);
  --glass-border-light: rgba(0, 0, 0, 0.08);
  --glass-bg-dark: rgba(255, 255, 255, 0.08);
  --glass-border-dark: rgba(255, 255, 255, 0.12);
  --primary-glow: #6366f1;
  --secondary-glow: #8b5cf6;
}

/* ===== Panel Rediseñado ===== */
.sidebar {
  position: relative;
  width: var(--sb-w);
  height: calc(100% - (2 * var(--gap)));
  margin: var(--gap);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border-light);
  border-radius: 16px;
  padding: 1rem 0.5rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  min-height: 0;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* Colapsado más elegante */
.sidebar.collapsed { 
  width: var(--sb-w-c); 
  padding: 1rem 0.25rem;
}

.sidebar.collapsed .sidebar__info,
.sidebar.collapsed .sidebar__link span,
.sidebar.collapsed .sidebar__title { 
  display: none; 
}

/* ===== Layout Interno Mejorado ===== */
.sidebar__container {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar__content {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  row-gap: 2rem;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding-inline: 0.75rem;
  box-sizing: border-box;
  overscroll-behavior: contain;
}

/* ===== Usuario Futurista ===== */
.sidebar__user {
  margin: 0 !important;
  display: flex; 
  align-items: center; 
  gap: 0.75rem;
  padding: 1rem 0.75rem;
  border-bottom: 1px solid var(--glass-border-light);
  position: relative;
}

.sidebar__user::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--primary-glow) 50%, 
    transparent 100%);
}

.sidebar__avatar {
  width: 40px; 
  height: 40px; 
  border-radius: 12px;
  display: inline-flex; 
  align-items: center; 
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
  flex: 0 0 40px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.sidebar__avatar i { 
  font-size: 1.2rem; 
  color: #fff; 
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.sidebar__name {
  font-size: 0.95rem; 
  font-weight: 600; 
  color: #1f2937; 
  margin: 0; 
  line-height: 1.2;
  max-width: 150px; 
  white-space: nowrap; 
  overflow: hidden; 
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

/* ===== Títulos Rediseñados ===== */
.sidebar__title {
  padding-left: 0.75rem; 
  font-size: 0.7rem; 
  font-weight: 700; 
  color: var(--primary-glow);
  margin: 0.5rem 0; 
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
}

.sidebar__title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 12px;
  background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
  border-radius: 2px;
}

/* ===== Links Futuristas ===== */
.sidebar__list { 
  display: flex; 
  flex-direction: column; 
  gap: 0.5rem; 
}

.sidebar__link {
  display: flex; 
  align-items: center; 
  gap: 0.75rem;
  color: #6b7280; 
  font-weight: 500; 
  font-size: 0.9rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
  border-radius: 12px; 
  padding: 0.75rem;
  position: relative; 
  cursor: pointer; 
  text-decoration: none;
  border: 1px solid transparent;
  background: rgba(99, 102, 241, 0.03);
  backdrop-filter: blur(10px);
}

.sidebar__link i { 
  font-size: 1.3rem; 
  color: inherit; 
  transition: all 0.3s ease;
  min-width: 24px;
}

.sidebar__link:hover {
  color: var(--primary-glow);
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.sidebar__link:hover i {
  transform: scale(1.1);
}

.sidebar__link.active-link {
  color: var(--primary-glow) !important; 
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.1), 
    rgba(139, 92, 246, 0.05)) !important; 
  font-weight: 600;
  border: 1px solid rgba(99, 102, 241, 0.3);
  box-shadow: 
    0 4px 16px rgba(99, 102, 241, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.sidebar__link.active-link i { 
  color: var(--primary-glow) !important; 
  filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.4));
}

.sidebar__link.active-link::after {
  content: ''; 
  position: absolute; 
  right: 12px; 
  top: 50%; 
  transform: translateY(-50%);
  width: 6px; 
  height: 6px; 
  background: var(--primary-glow); 
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary-glow);
}

/* Logout con efecto especial */
.sidebar__logout {
  background: rgba(239, 68, 68, 0.05) !important;
  border: 1px solid rgba(239, 68, 68, 0.1) !important;
}

.sidebar__logout:hover {
  background: rgba(239, 68, 68, 0.1) !important;
  border-color: rgba(239, 68, 68, 0.3) !important;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15) !important;
  color: #ef4444 !important;
}

.sidebar__logout i { 
  transform: translateX(0); 
  transition: transform 0.3s ease;
}

.sidebar__logout:hover i { 
  transform: translateX(2px); 
}

/* Scrollbar personalizada */
.sidebar__content::-webkit-scrollbar {
  width: 4px;
}

.sidebar__content::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar__content::-webkit-scrollbar-thumb {
  background: var(--glass-border-light);
  border-radius: 2px;
}

.sidebar__content::-webkit-scrollbar-thumb:hover {
  background: var(--primary-glow);
}

/* ===== DARK MODE ===== */
html.dark .sidebar {
  background: rgba(15, 23, 42, 0.95) !important;
  border: 1px solid rgba(99, 102, 241, 0.2) !important;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

html.dark .sidebar__user {
  border-bottom-color: var(--glass-border-dark);
}

html.dark .sidebar__name {
  color: #f8fafc !important;
}

html.dark .sidebar__link {
  color: #cbd5e1 !important;
  background: rgba(99, 102, 241, 0.05);
}

html.dark .sidebar__link:hover {
  color: #fff !important;
  background: rgba(99, 102, 241, 0.15) !important;
  border-color: rgba(99, 102, 241, 0.3) !important;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2) !important;
}

html.dark .sidebar__link.active-link {
  color: #fff !important;
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.2), 
    rgba(139, 92, 246, 0.15)) !important;
  border: 1px solid rgba(99, 102, 241, 0.4) !important;
  box-shadow: 
    0 4px 16px rgba(99, 102, 241, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
}

html.dark .sidebar__logout {
  background: rgba(239, 68, 68, 0.1) !important;
  border: 1px solid rgba(239, 68, 68, 0.2) !important;
}

html.dark .sidebar__logout:hover {
  background: rgba(239, 68, 68, 0.2) !important;
  border-color: rgba(239, 68, 68, 0.4) !important;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2) !important;
}

html.dark .sidebar__content::-webkit-scrollbar-thumb {
  background: var(--glass-border-dark);
}

html.dark .sidebar__content::-webkit-scrollbar-thumb:hover {
  background: var(--primary-glow);
}