@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700&display=swap');

:root {
  /* Premium Color Palette */
  --primary: #0A2540; /* Deep sophisticated blue */
  --primary-light: #1A3E6D;
  --secondary: #00D4FF; /* Electric blue accent */
  --secondary-dark: #00A3C4;
  --accent: #FF6B6B; /* Coral/salmon for alerts/highlights */
  
  --bg-main: #F8FAFC; /* Light gray-blue background */
  --bg-card: #FFFFFF;
  --bg-dark: #05101E; /* Very dark background for specific sections */
  
  --text-main: #1E293B; /* Slate 800 */
  --text-muted: #64748B; /* Slate 500 */
  --text-light: #F1F5F9; /* Slate 100 */
  
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;

  /* Shadows for depth */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);

  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: var(--info);
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--primary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}
.section-sm {
  padding: 3rem 0;
}
.section-lg {
  padding: 8rem 0;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.text-center { text-align: center; }
.text-right { text-align: right; }

.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.w-full { width: 100%; }

/* Typography Additions */
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: white !important;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--primary) !important;
  box-shadow: var(--shadow-md);
}
.btn-secondary:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary) !important;
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background-color: var(--primary);
  color: white !important;
}

.btn-block {
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}
.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  font-size: 0.9rem;
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--text-main);
  background-color: var(--bg-main);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--info);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background-color: #fff;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1em;
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid rgba(0,0,0,0.05);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.card-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.glass-dark {
  background: rgba(10, 37, 64, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: white;
}
.glass-dark h1, .glass-dark h2, .glass-dark h3 {
  color: white;
}

/* Alerts / Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-pending { background-color: #FEF3C7; color: #D97706; }
.badge-start { background-color: #E0E7FF; color: #4338CA; }
.badge-inprogress { background-color: #DBEAFE; color: #1D4ED8; }
.badge-completed { background-color: #D1FAE5; color: #059669; }
.badge-rejected { background-color: #FEE2E2; color: #DC2626; }

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-normal);
}
.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
}
.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar-logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.navbar-logo span {
  color: var(--secondary-dark);
}
.navbar-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.navbar-link {
  font-weight: 500;
  color: var(--text-muted);
}
.navbar-link:hover, .navbar-link.active {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}

/* Footer */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 4rem 0 2rem;
}
.footer h4 {
  color: white;
  margin-bottom: 1.5rem;
}
.footer-link {
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.75rem;
}
.footer-link:hover {
  color: var(--secondary);
}
.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fadeIn {
  animation: fadeIn 0.8s ease forwards;
}
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }

/* Responsive */
@media (max-width: 768px) {
  .grid-cols-2, .grid-cols-3, .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
  }
  .navbar-menu.active {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
  .section { padding: 3rem 0; }
}