:root {
  --primary: #0d6efd; /* Biru tegas yang gagah */
  --success: #198754;
  --warning: #ffc107;
  --danger: #dc3545;
  --info: #0dcaf0;
  --body-bg: #F4F6F9; /* Abu-abu sangat terang yang bersih */
  --card-bg: #FFFFFF;
  --text-main: #212529; /* Teks sangat gelap agar kontras dan jelas */
  --text-muted: #6c757d;
  --sidebar-bg: #FFFFFF;
  --border-color: #dee2e6;
}

[data-theme="dark"] {
  --primary: #3b82f6; /* Biru yang disesuaikan untuk dark mode */
  --success: #28C76F;
  --warning: #FF9F43;
  --danger: #EA5455;
  --info: #00CFE8;
  --body-bg: #1e1e2d; /* Gelap pekat yang elegan */
  --card-bg: #2b2b40;
  --text-main: #ffffff;
  --text-muted: #a1a5b7;
  --sidebar-bg: #2b2b40;
  --border-color: #474761;
}

body {
  background-color: var(--body-bg);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  margin: 0;
  overflow-x: hidden;
}

/* Base Components */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  box-shadow: 0 4px 24px 0 rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.2);
}

.btn-primary { background-color: var(--primary); border-color: var(--primary); }
.btn-success { background-color: var(--success); border-color: var(--success); }
.btn-warning { background-color: var(--warning); border-color: var(--warning); color: #fff; }
.btn-danger { background-color: var(--danger); border-color: var(--danger); }
.btn-info { background-color: var(--info); border-color: var(--info); color: #fff; }

.btn {
  transition: all 0.3s ease;
}

/* Sidebar */
#sidebar {
  width: 260px;
  background-color: var(--sidebar-bg);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  border-right: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s;
}
#sidebar .brand {
  padding: 1.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
#sidebar .nav-link {
  color: var(--text-muted);
  padding: 10px 15px;
  margin: 5px 15px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: all 0.2s;
}
#sidebar .nav-link:hover, #sidebar .nav-link.active {
  background-color: rgba(115, 103, 240, 0.12);
  color: var(--primary);
}

/* Main Content */
#main-content {
  margin-left: 260px;
  min-height: 100vh;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.navbar {
  background-color: var(--card-bg) !important;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}
.navbar .nav-link {
  color: var(--text-main) !important;
}
.content-wrapper {
  padding: 2rem;
  flex: 1;
}

/* Offcanvas for mobile */
@media (max-width: 992px) {
  #sidebar {
    left: -260px;
  }
  #sidebar.show {
    left: 0;
  }
  #main-content {
    margin-left: 0;
  }
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s;
}
.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* Datatable Dark Mode Fixes */
.table { color: var(--text-main); }
.table-bordered > :not(caption) > * > * { border-color: var(--border-color); }
table.dataTable tbody tr { background-color: transparent !important; }
div.dt-container .dt-paging .dt-paging-button.current { background: var(--primary) !important; color: #fff !important; border: none; }
div.dt-container .dt-search input, div.dt-container .dt-length select {
    background-color: var(--body-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

/* Product Grid */
.product-card { cursor: pointer; }
.product-card:hover { transform: scale(1.02); }

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--card-bg) 25%, var(--border-color) 50%, var(--card-bg) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}
@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-text { height: 16px; margin-bottom: 10px; width: 100%; }
.skeleton-title { height: 24px; margin-bottom: 15px; width: 70%; }