:root {
  /* AltaySec Premium Dark Palette */
  --bg-base: #09090b;
  --bg-surface: #121214;
  --bg-surface-elevated: #1c1c1f;
  --bg-glass: rgba(18, 18, 20, 0.7);
  
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --accent-primary: #ef4444; /* AltaySec Red */
  --accent-primary-glow: rgba(239, 68, 68, 0.2);
  --accent-success: #22c55e;
  --accent-warning: #f59e0b;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.12);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.4);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-main);
  overflow-x: hidden;
  line-height: 1.5;
}

/* Background Effects */
.bg-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 0% 0%, rgba(239, 68, 68, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(239, 68, 68, 0.03) 0%, transparent 40%);
  z-index: -1;
  pointer-events: none;
}

/* Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 40px;
}

.brand-logo {
  width: 32px;
  height: 32px;
  background: var(--accent-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: white;
  box-shadow: 0 0 15px var(--accent-primary-glow);
}

.brand-name {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
}

.brand-name span {
  color: var(--accent-primary);
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.nav-link.active {
  border-left: 3px solid var(--accent-primary);
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.1) 0%, transparent 100%);
}

.nav-link i {
  font-size: 1.1rem;
  width: 20px;
}

/* Main Content */
.main-content {
  flex-grow: 1;
  padding: 40px;
  max-width: 1400px;
  margin: 0 auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.page-title h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.page-title p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.header-actions {
  display: flex;
  gap: 16px;
}

/* Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-premium);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
}

.stat-trend {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
}

.trend-up { color: var(--accent-success); background: rgba(34, 197, 94, 0.1); }
.trend-down { color: var(--accent-primary); background: rgba(239, 68, 68, 0.1); }

/* Buttons */
.btn {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.btn-primary:hover {
  background: #dc2626;
  box-shadow: 0 0 20px var(--accent-primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Charts Placeholder & Tables */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
}

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

.panel-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.table-container {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 12px 16px;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
}

td {
  padding: 16px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
}

.status-badge {
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-active { background: rgba(34, 197, 94, 0.1); color: var(--accent-success); }
.status-completed { background: rgba(255, 255, 255, 0.05); color: var(--text-secondary); }

/* Glassmorphism Classes */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
/* Print Styles for Reports */
@media print {
    .sidebar, .header-actions, .nav-group, .btn {
        display: none !important;
    }
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
        background: white !important;
        color: black !important;
    }
    .page-content {
        display: block !important;
    }
    .stat-card, .panel {
        border: 1px solid #eee !important;
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        break-inside: avoid;
    }
    canvas {
        max-width: 100% !important;
        height: auto !important;
    }
    h1, h2, h3, .stat-value {
        color: black !important;
    }
}

/* Mobile Responsiveness for Admin */
@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
        padding: 16px 8px;
    }
    .brand-name, .nav-link span {
        display: none;
    }
    .sidebar .brand {
        justify-content: center;
        padding-bottom: 24px;
    }
    .sidebar .brand img {
        margin-right: 0;
    }
    .nav-link {
        justify-content: center;
    }
    .nav-link i {
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        flex-direction: row;
        padding: 12px 24px;
        overflow-x: auto;
    }
    .sidebar .brand {
        display: none;
    }
    .nav-group {
        flex-direction: row;
        gap: 20px;
    }
    .main-content {
        padding: 24px 16px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .content-grid {
        grid-template-columns: 1fr;
    }
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    .header-actions {
        width: 100%;
    }
    .header-actions .btn {
        flex: 1;
        justify-content: center;
    }
}