:root {
  /* Colors */
  --primary: #005596; /* ADNOC Blue inspired */
  --primary-light: #e6f0f9;
  --primary-dark: #003d6b;
  --accent: #ed1c24; /* ADNOC Red accent */
  --success: #107c10;
  --warning: #ffb900;
  --danger: #d13438;
  --info: #0078d4;
  
  /* Neutral Palette */
  --bg-main: #f3f5f8;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --border-color: #e1e4e8;
  --text-main: #24292e;
  --text-muted: #586069;
  --text-on-primary: #ffffff;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  
  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Layout Structure */
.app-shell {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.top-bar {
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  position: sticky;
  top: 0;
  z-index: 90;
}

.content-body {
  padding: var(--space-lg);
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

/* Sidebar Components */
.sidebar-header {
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.logo-box {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.sidebar-nav {
  padding: var(--space-md) 0;
  flex: 1;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 10px var(--space-lg);
  text-decoration: none;
  color: var(--text-muted);
  transition: all 0.2s;
  font-weight: 500;
}

.nav-item:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

.nav-item.active {
  background-color: var(--primary-light);
  color: var(--primary);
  border-right: 3px solid var(--primary);
}

.nav-label {
  font-size: 11px;
  text-transform: uppercase;
  color: #999;
  font-weight: 700;
  padding: var(--space-lg) var(--space-lg) var(--space-sm);
}

/* Cards & Containers */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.card-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.card-body {
  padding: var(--space-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 14px;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-outline {
  border-color: var(--border-color);
  background: white;
  color: var(--text-main);
}

.btn-outline:hover {
  background: var(--bg-main);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: 12px var(--space-md);
  background: #f8f9fa;
  border-bottom: 2px solid var(--border-color);
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
}

.data-table td {
  padding: 16px var(--space-md);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.data-table tr:hover {
  background: #fcfcfc;
}

/* Badges */
.badge {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef9c3; color: #854d0e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #e0f2fe; color: #075985; }

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.stat-card {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin: 4px 0;
}

.stat-label {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--text-muted);
  font-size: 13px;
}

.breadcrumb-item:after {
  content: "/";
  margin-left: var(--space-sm);
}

.breadcrumb-item:last-child:after {
  content: "";
}

/* Utility */
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; gap: var(--space-sm); }
.text-right { text-align: right; }
.mt-lg { margin-top: var(--space-lg); }

/* Placeholder Icon */
.placeholder-icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Icon classes for SVGs */
.icon-sm { width: 16px; height: 16px; }
.icon-md { width: 24px; height: 24px; }

/* Dashboard Specifics */
.workflow-stepper {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  position: relative;
}

.workflow-stepper::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-color);
  z-index: 1;
}

.step {
  position: relative;
  z-index: 2;
  background: var(--bg-main);
  padding: 0 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.step.active .step-circle {
  border-color: var(--primary);
  color: var(--primary);
}

.step.completed .step-circle {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Template Builder */
.builder-layout {
  display: grid;
  grid-template-columns: 300px 1fr 300px;
  gap: var(--space-lg);
}

.section-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.section-item {
  padding: var(--space-md);
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-item:hover {
  border-color: var(--primary);
}

/* Login Page Specific */
.login-container {
  display: flex;
  height: 100vh;
}

.login-left {
  flex: 1;
  background: var(--primary);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px;
}

.login-right {
  width: 480px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px;
  background: white;
}

/* Search Bar */
.search-wrapper {
  position: relative;
  width: 400px;
}

.search-input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background: #f8f9fa;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}