/* Enhanced Professional Styling - Synchronized across all pages */
:root {
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --secondary-color: #6b7280;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --info-color: #06b6d4;
  --light-bg: #f9fafb;
  --card-bg: #ffffff;
  --dark-text: #111827;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
  --shadow-light: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-medium: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-heavy: 0 8px 25px rgba(0,0,0,0.08);
  --navy-color: #1f2937;
  --radius: 8px;
  --radius-lg: 12px;
  --spacing: 32px;
  --max-width: 1200px;
}

/* Enhanced Body Styling */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--light-bg);
  color: var(--dark-text);
  line-height: 1.6;
}

/* Enhanced Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Enhanced Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  transition: all 0.2s ease-in-out;
}

.card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-heavy);
}

/* Enhanced Buttons */
.btn {
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: all 0.2s ease-in-out;
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-heavy);
  transform: translateY(-2px);
}

.btn-success {
  background: var(--success-color);
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-success:hover {
  background: #059669;
  box-shadow: var(--shadow-heavy);
  transform: translateY(-2px);
}

.btn-warning {
  background: var(--warning-color);
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-warning:hover {
  background: #d97706;
  box-shadow: var(--shadow-heavy);
  transform: translateY(-2px);
}

.btn-danger {
  background: var(--danger-color);
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-danger:hover {
  background: #dc2626;
  box-shadow: var(--shadow-heavy);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--secondary-color);
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-secondary:hover {
  background: #4b5563;
  box-shadow: var(--shadow-heavy);
  transform: translateY(-2px);
}

/* Enhanced Navigation */
.navbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-weight: 700;
  color: var(--dark-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: all 0.2s ease-in-out;
  font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background: rgba(59, 130, 246, 0.1);
}

/* Enhanced Hero Section */
.hero-section {
  background: var(--light-bg);
  padding: var(--spacing) 0;
}

/* Enhanced Tool Cards */
.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  margin-bottom: var(--spacing);
  transition: all 0.2s ease-in-out;
}

.tool-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-heavy);
}

/* Enhanced Footer */
.footer {
  background: var(--light-bg);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing) 0;
  margin-top: var(--spacing);
}

/* Enhanced Form Elements */
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--card-bg);
  transition: all 0.2s ease-in-out;
  font-family: 'Inter', sans-serif;
  color: var(--dark-text);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 8px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 16px;
  line-height: 1.3;
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1.125rem; font-weight: 600; }
h6 { font-size: 1rem; font-weight: 600; }

p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Enhanced Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease-in-out;
}

.badge-primary {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-color);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
}

/* Enhanced Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.p-0 { padding: 0; }
.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }
.p-5 { padding: 48px; }

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .card {
    margin-bottom: 24px;
  }
  
  .btn {
    padding: 14px 20px;
    font-size: 15px;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }
  
  .card {
    margin-bottom: 16px;
  }
  
  .btn {
    padding: 12px 16px;
    font-size: 14px;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus States */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

.slide-up {
  animation: slideUp 0.5s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}