/* NexRen Solar Platform - Design System & Modern Business Dashboard CSS */

:root {
  --bg-dark: #090d16;
  --bg-card: #111827;
  --bg-card-hover: #1f2937;
  --bg-input: #1f293d;
  --sidebar-bg: #0f172a;
  --topbar-bg: #0f172a;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #10b981;
  
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-glow: rgba(16, 185, 129, 0.2);
  
  --secondary: #3b82f6;
  --accent-gold: #eab308;
  --accent-lime: #84cc16;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --info: #06b6d4;

  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dark: #111827;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-main: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 14px;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--accent-lime);
}

/* Layout */
.app-wrapper {
  display: flex;
  min-height: 100vh;
  width: 100vw;
  overflow-x: hidden;
}

.sidebar {
  width: 260px;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--bg-dark);
}

/* Top Navbar */
.topbar {
  height: 64px;
  background-color: var(--topbar-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 0 10px var(--primary-glow);
}

/* Sidebar Navigation */
.sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-color);
}

.brand-logo-text {
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.brand-logo-text span {
  color: var(--primary);
}

.sidebar-menu {
  flex: 1;
  padding: 20px 12px;
  overflow-y: auto;
  list-style: none;
}

.menu-category {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 12px 12px 6px;
}

.menu-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-weight: 500;
  transition: all 0.2s ease;
  margin-bottom: 4px;
}

.menu-item a:hover,
.menu-item.active a {
  background-color: rgba(16, 185, 129, 0.12);
  color: var(--primary);
}

.menu-item.active a {
  font-weight: 700;
  border-left: 3px solid var(--primary);
}

.menu-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Content Container */
.content-body {
  padding: 28px;
  flex: 1;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.page-title {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Cards & Panels */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-main);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

/* Dashboard Grid & Widgets */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: linear-gradient(135deg, rgba(31, 41, 55, 0.6), rgba(17, 24, 39, 0.9));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-glow);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.stat-value {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.table th {
  background-color: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-info { background: rgba(6, 182, 212, 0.15); color: var(--info); border: 1px solid rgba(6, 182, 212, 0.3); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #090d16;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #fff;
  box-shadow: 0 0 15px var(--primary-glow);
}

.btn-secondary {
  background-color: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  color: #fff;
}

.btn-danger {
  background-color: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Permission Matrix Grid */
.permission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.permission-module-box {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

.permission-module-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.permission-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.permission-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
  margin-top: 2px;
}

.permission-label-title {
  font-weight: 700;
  color: #fff;
  font-size: 13px;
}

.permission-label-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.alert-success { background: rgba(16, 185, 129, 0.15); border: 1px solid var(--success); color: #6ee7b7; }
.alert-danger { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--danger); color: #fca5a5; }
.alert-warning { background: rgba(245, 158, 11, 0.15); border: 1px solid var(--warning); color: #fcd34d; }

.btn-close {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 18px;
  cursor: pointer;
}

/* Authentication Screen */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top right, rgba(16, 185, 129, 0.1), transparent 50%),
              radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.1), transparent 50%),
              var(--bg-dark);
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.auth-logo {
  text-align: center;
  margin-bottom: 24px;
}

.auth-title {
  font-size: 20px;
  font-weight: 800;
  text-align: center;
  color: #fff;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 24px;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.show {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
}