/* Design Tokens & Theme Variables */
:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --glass-bg: rgba(15, 23, 42, 0.45);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-glow: rgba(99, 102, 241, 0.15);
  --glass-hover: rgba(30, 41, 59, 0.6);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-purple: #8b5cf6;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-pink: #ec4899;
  
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --sidebar-width: 260px;
  --navbar-height: 70px;
}

/* Base Body Setup */
body {
  background: radial-gradient(circle at 50% 50%, #111827 0%, #030712 100%);
  color: var(--text-primary);
  font-family: var(--font-family);
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Glassmorphism Card System */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 12px 40px 0 rgba(99, 102, 241, 0.08);
}

/* Text Inputs & Form Styling */
.glass-input {
  background: rgba(15, 23, 42, 0.6) !important;
  border: 1px solid var(--glass-border) !important;
  color: var(--text-primary) !important;
  border-radius: 8px !important;
  transition: all 0.2s ease-in-out !important;
}

.glass-input:focus {
  border-color: var(--accent-indigo) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25) !important;
  outline: none !important;
}

.glass-input::placeholder {
  color: var(--text-muted) !important;
}

/* Sidebar Styling */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(8, 12, 22, 0.85);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-menu {
  padding: 20px 12px;
  height: calc(100vh - var(--navbar-height));
  overflow-y: auto;
}

.menu-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 10px;
  margin-bottom: 6px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.menu-item i {
  width: 24px;
  font-size: 1.1rem;
  margin-right: 12px;
}

.menu-item:hover, .menu-item.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--text-primary);
  border-left: 3px solid var(--accent-indigo);
}

/* Layout Wrapper */
.layout-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar Top Styling */
.top-navbar {
  height: var(--navbar-height);
  background: rgba(9, 13, 22, 0.6);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 90;
}

/* Content Container */
.main-content {
  padding: 32px;
  flex: 1;
}

/* Stat Widgets / Badges */
.stat-badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.stat-badge.trend-up {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.stat-badge.trend-down {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

/* Gradient Background Text and Buttons */
.text-gradient {
  background: linear-gradient(135deg, #a78bfa 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-gradient {
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-indigo) 100%);
  color: white;
  border: none;
  font-weight: 600;
  transition: opacity 0.2s ease;
}

.btn-gradient:hover {
  opacity: 0.9;
  color: white;
}

/* User Account Profile Page Cards */
.profile-avatar-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-indigo);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

/* Mobile responsive fixes */
@media (max-width: 991px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.show {
    transform: translateX(0);
  }
  .layout-wrapper {
    margin-left: 0;
  }
  .top-navbar {
    padding: 0 16px;
  }
  .main-content {
    padding: 16px;
  }
}