/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
  background-color: #f8f9fc;
  color: #333;
}

/* Sidebar */
#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background-color: #2C2F33;
  overflow-y: auto;
  padding: 20px 0;
}
#sidebar .logo {
  padding: 0 20px;
  font-size: 1.5rem;
  color: #FFF;
  font-weight: bold;
}
#sidebar .sidebar-title {
  padding: 4px 20px 20px;
  font-size: 0.9rem;
  color: #AAA;
  font-weight: 600;
}
#sidebar .nav-list {
  list-style: none;
}
#sidebar .nav-list li a {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: #B0B3B8;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  border-radius: 8px;
  margin: 4px 20px;
}
#sidebar .nav-list li a i {
  margin-right: 10px;
}
#sidebar .nav-list li a:hover,
#sidebar .nav-list li a.active {
  background-color: #40444B;
  color: #FFF;
}
#sidebar .nav-list li a.active {
  border-left: 4px solid #7289DA;
}
#sidebar .nav-list li a.logout {
  margin-top: auto;
  color: #FF5C5C;
  font-weight: bold;
  justify-content: center;
}
#sidebar .nav-list li a.logout:hover {
  background-color: #992E2E;
  color: #FFF;
}

/* Main Content */
#main-content {
  margin-left: 280px;
  padding: 30px;
}

/* Header */
.main-header {
  background: rgba(255,255,255,0.8);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  border-bottom: 1px solid #dee2e6;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.company-name {
  font-size: 1.1rem;
  font-weight: bold;
  color: #333;
}
.menu-toggle {
  background: none;
  border: none;
  color: #333;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.header-center .search-wrapper {
  position: relative;
}
.search-wrapper i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
}
.search-wrapper input[type="search"] {
  width: 250px;
  padding: 8px 12px 8px 36px;
  border: 1px solid #ccc;
  border-radius: 20px;
  font-size: 0.95rem;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 30px;
}
.icon-group i {
  font-size: 1.2rem;
  cursor: pointer;
}
.profile {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.profile-icon {
  font-size: 2em;
  color: #555;
}
.profile-name {
  font-size: 0.95rem;
  color: #333;
}
.dropdown-icon {
  font-size: 0.8rem;
  color: #777;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.grid-item {
  background: rgba(255,255,255,0.8);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}
.grid-item h2 {
  margin-bottom: 15px;
  font-size: 1.3rem;
  color: #333;
}

/* Responsive Chart Container (16:9) */
.chart-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 aspect ratio */
}
.chart-container canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
}