:root {
  --primary-color: #4361ee;
  --secondary-color: #3f37c9;
  --bg-color: #f8f9fa;
  --sidebar-bg: #000000;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* Body */
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: #2d3436;
}

/* Sidebar */
.sidebar {
  width: 260px;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background-color: #000 !important;
  background-image: none !important;
  opacity: 1 !important;
  filter: none !important;
  z-index: 1000;
  box-shadow: 4px 0 15px rgba(0, 0, 0, 0.15);
  overflow-y: auto;
}

/* Sidebar Header */
.sidebar h4 {
  color: #ffffff;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 20px;
  margin: 0;
}

.sidebar p {
  color: rgba(255,255,255,0.7);
  padding: 0 20px 20px;
  margin: 0;
  font-size: 14px;
}

/* Sidebar Links */
.sidebar .nav-link {
  color: rgba(255,255,255,0.75);
  padding: 12px 20px;
  margin: 5px 10px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: all 0.3s ease;
}

/* Hover / Active */
.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background: rgba(255,255,255,0.12);
  color: #ffffff;
  transform: translateX(5px);
}

/* Sidebar Icons */
.sidebar .nav-link i {
  margin-right: 12px;
  font-size: 16px;
}

/* Section Titles */
.sidebar .section-title {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  font-weight: 700;
  padding: 20px 20px 10px;
  text-transform: uppercase;
}

/* Content */
.content {
  margin-left: 260px;
  padding: 40px;
  min-height: 100vh;
}

/* Responsive */
@media (max-width: 992px) {
  .sidebar {
    width: 0;
    overflow: hidden;
  }

  .content {
    margin-left: 0;
  }
}