:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --secondary: #64748b;
  --accent: #06b6d4;
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --glass: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius: 12px;
}

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

.glass {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

.premium-card {
  background: var(--bg-surface);
  border-radius: var(--radius);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.premium-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.btn-premium {
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
}

.btn-premium-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.btn-premium-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
  color: white;
}

.grad-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* Sidebar Modern */
.sidebar-modern {
  background: #0f172a;
  height: 100vh;
  padding: 24px 0;
  color: white;
  z-index: 2000;
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.main-content {
  margin-left: 260px;
  min-height: 100vh;
  background-color: var(--bg-main);
  transition: margin-left 0.3s ease;
}

/* Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  backdrop-filter: blur(2px);
}

@media (max-width: 768px) {
  .sidebar-modern {
    left: -260px;
  }

  .sidebar-modern.show {
    left: 0;
  }

  .main-content {
    margin-left: 0 !important;
  }

  .sidebar-overlay.show {
    display: block;
  }

  .mobile-toggle {
    display: flex !important;
  }
}

.mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 10px;
  color: var(--text-main);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  margin-right: 15px;
}

.nav-link-modern {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: #94a3b8;
  border-radius: 10px;
  margin-bottom: 8px;
  text-decoration: none;
  transition: all 0.3s;
}

.nav-link-modern:hover,
.nav-link-modern.active {
  background: rgba(255, 255, 255, 0.05);
  color: white;
}

.nav-link-modern i {
  width: 24px;
  margin-right: 12px;
  font-size: 1.1rem;
}

.nav-link-modern.active i {
  color: var(--accent);
}