/* Fast-Oil Theme System */
:root {
  /* Light theme colors */
  --primary-color: #2563EB;
  --secondary-color: #10B981;
  --accent-color: #F59E0B;
  --danger-color: #DC2626;
  
  /* Light theme backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  
  /* Light theme text */
  --text-primary: #1F2937;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --text-inverse: #FFFFFF;
  
  /* Light theme borders and shadows */
  --border-color: #E5E7EB;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.15);

  /* Light gradients */
  --gradient-main: linear-gradient(135deg, var(--primary-color) 0%, #1E40AF 50%, var(--secondary-color) 100%);
  --gradient-header: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  --gradient-navbar: linear-gradient(135deg, var(--primary-color) 0%, #1E40AF 100%);
}

[data-theme="dark"] {
  /* Dark theme colors */
  --primary-color: #3B82F6;
  --secondary-color: #34D399;
  --accent-color: #FBBF24;
  --danger-color: #EF4444;
  
  /* Dark theme backgrounds */
  --bg-primary: #1E293B;
  --bg-secondary: #0F172A;
  --bg-tertiary: #334155;
  
  /* Dark theme text */
  --text-primary: #F8FAFC;
  --text-secondary: #E2E8F0;
  --text-muted: #94A3B8;
  --text-inverse: #0F172A;
  
  /* Dark theme borders and shadows */
  --border-color: #334155;
  --shadow: rgba(0, 0, 0, 0.3);
  --shadow-hover: rgba(0, 0, 0, 0.4);

  /* Dark gradients */
  --gradient-main: linear-gradient(135deg, var(--primary-color) 0%, #1E3A8A 50%, var(--secondary-color) 100%);
  --gradient-header: linear-gradient(135deg, #334155 0%, #1E293B 100%);
  --gradient-navbar: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
}

/* Global theme transitions */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Modern Landing Theme Support */
.section-modern {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.results-section {
  background-color: var(--bg-secondary) !important;
}

.problems-section {
  background-color: var(--bg-primary) !important;
}

.solutions-section {
  background-color: var(--bg-secondary) !important;
}

.testimonials-section {
  background-color: var(--bg-primary) !important;
}

/* Modern Footer Theme Support */
.footer-modern {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary);
}

.footer-background {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%) !important;
}

.footer-logo-text {
  color: var(--primary-color) !important;
}

.footer-description {
  color: var(--text-secondary) !important;
}

.footer-social-link {
  background-color: var(--bg-primary) !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary);
}

.footer-social-link:hover {
  background-color: var(--primary-color) !important;
  color: white;
}

.footer-column-title {
  color: var(--text-primary) !important;
}

.footer-link {
  color: var(--text-secondary) !important;
}

.footer-link:hover {
  color: var(--primary-color) !important;
}

.footer-contact-item {
  color: var(--text-secondary) !important;
}

.footer-bottom {
  border-top-color: var(--border-color) !important;
}

.footer-copyright,
.footer-made {
  color: var(--text-muted) !important;
}

.footer-link-inline {
  color: var(--primary-color) !important;
}

/* Footer stats theming */
.footer-stat-number {
  color: var(--primary-color) !important;
}

.footer-stat-label {
  color: var(--text-muted) !important;
}

.footer-tagline {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color)) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

[data-theme="dark"] .footer-tagline {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color)) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

/* Dark theme specific overrides */
[data-theme="dark"] .hero-section-modern {
  --gradient-main: linear-gradient(135deg, #1E3A8A 0%, #0F172A 50%, #065F46 100%);
}

[data-theme="dark"] .cta-section-modern {
  --gradient-main: linear-gradient(135deg, #1E3A8A 0%, #0F172A 50%, #065F46 100%);
}

/* Card theming */
.stat-card {
  background-color: var(--bg-primary) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary) !important;
  transition: all 0.3s ease;
}

.stat-card:hover {
  background-color: var(--bg-tertiary) !important;
  box-shadow: 0 8px 25px var(--shadow-hover) !important;
  transform: translateY(-5px);
}

.testimonial-card {
  background-color: var(--bg-primary) !important;
  border: 1px solid var(--border-color) !important;
  padding: 2rem !important;
  border-radius: 1rem !important;
  box-shadow: 0 4px 15px var(--shadow) !important;
  color: var(--text-primary) !important;
}

/* Text theme classes */
.text-themed {
  color: var(--text-primary) !important;
}

.text-muted-themed {
  color: var(--text-muted) !important;
}

/* Background theme classes */
.bg-light-themed {
  background-color: var(--bg-secondary) !important;
}

/* Utility classes for theming */
.border-themed {
  border-color: var(--border-color) !important;
}

.shadow-themed {
  box-shadow: 0 4px 15px var(--shadow) !important;
}

/* Main content area theme support */
#main .container {
  background-color: transparent;
}

/* Ensure all section headers are properly themed */
.section-modern h2,
.section-modern h3,
.section-modern h4,
.section-modern h5,
.section-modern h6 {
  color: var(--text-primary) !important;
}

.section-modern p,
.section-modern .lead {
  color: var(--text-secondary) !important;
}

/* Body and main containers */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

#main {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.container {
  color: var(--text-primary);
}

/* Ensure proper text colors throughout */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
}

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

/* Header styles */
.navbar, .navbar-themed {
  background-color: var(--bg-primary) !important;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 4px var(--shadow);
  transition: all 0.3s ease;
}

.navbar-brand {
  color: var(--primary-color) !important;
  font-weight: 700;
  transition: color 0.3s ease;
}

.navbar-brand:hover {
  color: var(--secondary-color) !important;
}

.navbar-nav .nav-link {
  color: var(--text-primary) !important;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--primary-color) !important;
}

/* Dropdown menu theming */
.dropdown-menu {
  background-color: var(--bg-primary) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: 0 4px 6px var(--shadow) !important;
}

.dropdown-item {
  color: var(--text-primary) !important;
  transition: all 0.3s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--bg-secondary) !important;
  color: var(--primary-color) !important;
}

/* Navbar toggler for mobile */
.navbar-toggler {
  border: 1px solid var(--border-color);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='#{to-string(var(--text-primary))}' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Navbar logout button */
.navbar-logout-btn {
  color: var(--text-primary) !important;
  background: none !important;
  transition: color 0.3s ease;
}

.navbar-logout-btn:hover {
  color: var(--danger-color) !important;
  background: none !important;
}

/* Theme toggle button */
.theme-toggle {
  background: none;
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: rotate(180deg);
}

/* Language switcher - simplified as dropdown styles are handled above */
.language-option {
  cursor: pointer;
}

/* Cards and containers */
.card, .testimonial-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 6px -1px var(--shadow), 0 2px 4px -1px var(--shadow);
}

.card:hover, .testimonial-card:hover {
  box-shadow: 0 20px 25px -5px var(--shadow-hover), 0 10px 10px -5px var(--shadow-hover);
}

/* Hero section */
.hero-section {
  background: var(--gradient-main);
  color: var(--text-inverse);
}

/* CTA section */
.cta-section {
  background: var(--gradient-main);
  color: var(--text-inverse);
}

/* Buttons */
.btn-cta {
  background: linear-gradient(135deg, var(--accent-color), #FBBF24);
  color: var(--text-inverse);
  border: none;
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.39);
}

.btn-cta:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px 0 rgba(245, 158, 11, 0.6);
  color: var(--text-inverse);
  background: linear-gradient(135deg, #FBBF24, var(--accent-color));
}

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

.btn-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

/* Feature icons */
.feature-icon {
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.feature-icon:hover {
  color: var(--secondary-color);
  transform: scale(1.1) rotate(5deg);
}

/* Statistics */
.stat-number {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Modal styles */
.modal-content {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  color: var(--text-primary);
}

/* Form elements */
.form-control, .auth-input {
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
}

.form-control:focus, .auth-input:focus {
  background-color: var(--bg-primary);
  border-color: var(--primary-color);
  color: var(--text-primary);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.form-label {
  color: var(--text-secondary);
}

/* Footer - force override Bootstrap styles */
footer.footer,
#footer.footer {
  background-color: var(--bg-secondary) !important;
  border-top: 1px solid var(--border-color) !important;
  color: var(--text-secondary) !important;
  transition: all 0.3s ease;
}

.footer h5, 
.footer h6,
footer h5,
footer h6 {
  color: var(--text-primary) !important;
}

.footer p,
footer p {
  color: var(--text-secondary) !important;
}

.footer-link {
  color: var(--text-muted) !important;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover,
.footer-link:focus {
  color: var(--primary-color) !important;
  text-decoration: none;
}

.footer-divider,
footer hr {
  border-color: var(--border-color) !important;
  opacity: 0.5;
}

/* Ensure footer text elements are properly themed */
footer .container {
  color: var(--text-secondary) !important;
}

footer .container * {
  transition: color 0.3s ease;
}

/* Additional footer text overrides */
footer .container .col-md-4 h5,
footer .container .col-md-4 h6 {
  color: var(--text-primary) !important;
}

footer .container .col-md-4 p {
  color: var(--text-secondary) !important;
}

footer .container .row .col p {
  color: var(--text-secondary) !important;
}

/* Force all footer text to use theme colors */
footer * {
  color: inherit !important;
}

footer h1, footer h2, footer h3, footer h4, footer h5, footer h6 {
  color: var(--text-primary) !important;
}

footer p, footer li, footer span {
  color: var(--text-secondary) !important;
}

/* Section backgrounds */
.bg-light-themed {
  background-color: var(--bg-secondary) !important;
}

.bg-white-themed {
  background-color: var(--bg-primary) !important;
}

/* Text colors */
.text-themed {
  color: var(--text-primary);
}

.text-muted-themed {
  color: var(--text-muted);
}

.text-secondary-themed {
  color: var(--text-secondary);
}

/* Feature icons with proper theme support */
.icon-primary {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.icon-secondary {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--secondary-color);
  transition: all 0.3s ease;
}

.icon-accent {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
  transition: all 0.3s ease;
}

.icon-primary:hover,
.icon-secondary:hover,
.icon-accent:hover {
  transform: scale(1.1) rotate(5deg);
}

/* Stat card improvements */
.stat-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px var(--shadow);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px var(--shadow-hover);
  border-color: var(--primary-color);
}

/* Gradient text improvements */
.gradient-text {
  background: var(--gradient-main);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Animations */
@keyframes float {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
  }
  50% { 
    transform: translateY(-20px) rotate(180deg); 
  }
}

.floating-animation {
  animation: float 20s ease-in-out infinite;
}

/* Responsive design */
@media (max-width: 768px) {
  .theme-toggle, .language-switcher .dropdown-toggle {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
  }
}