:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #ffffff;
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-tertiary: #718096;
  --border-color: #e2e8f0;
  --card-bg: #ffffff;
  --card-secondary: #f7fafc;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] { 
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #e5e5e5;
  --text-tertiary: #b3b3b3;
  --border-color: #333333;
  --card-bg: #1a1a1a;
  --card-secondary: #0f0f0f;
  --shadow: rgba(255, 255, 255, 0.05);
  --shadow-hover: rgba(255, 255, 255, 0.1);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.dark-mode-toggle {
  background: transparent;
  border: 2px solid #6c63ff;
  color: #6c63ff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  margin-left: 16px;
}

.dark-mode-toggle:hover {
  background: #6c63ff;
  color: #fff;
  transform: scale(1.1);
}

[data-theme="dark"] .dark-mode-toggle i::before {
  content: "\f185";
}

[data-theme="dark"] header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .nav-links a {
  color: var(--text-primary);
}

[data-theme="dark"] .nav-links a:hover {
  color: #6c63ff;
}

[data-theme="dark"] #about,
[data-theme="dark"] #services,
[data-theme="dark"] #contact,
[data-theme="dark"] #experience,
[data-theme="dark"] #client-work {
  background-color: var(--bg-secondary);
}

[data-theme="dark"] .section-title {
  color: var(--text-primary);
}

[data-theme="dark"] .about-text {
  background: var(--card-bg) !important;
  color: var(--text-primary);
}

[data-theme="dark"] .about-text h3,
[data-theme="dark"] .about-text h4,
[data-theme="dark"] .about-text p {
  color: var(--text-primary);
}

[data-theme="dark"] .education-section,
[data-theme="dark"] .certificates-section {
  color: var(--text-primary);
}

[data-theme="dark"] .education-item {
  color: var(--text-primary);
}

[data-theme="dark"] .education-item strong,
[data-theme="dark"] .education-item p {
  color: var(--text-primary);
}

[data-theme="dark"] .skill-category {
  background: var(--card-bg) !important;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px var(--shadow);
}

[data-theme="dark"] .skill-category:hover {
  box-shadow: 0 8px 30px rgba(108, 99, 255, 0.2);
}

[data-theme="dark"] .category-title,
[data-theme="dark"] .skill-progress-name {
  color: var(--text-primary);
}

[data-theme="dark"] .skill-tab {
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .skill-tab:hover:not(.active) {
  background: var(--card-secondary);
  color: var(--text-primary);
}

[data-theme="dark"] .skill-chip {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .skill-chip:hover {
  background: linear-gradient(135deg, #6c63ff, #4834df);
  color: white;
  border-color: transparent;
}

[data-theme="dark"] .skill-progress-bar {
  background: var(--card-secondary);
}

[data-theme="dark"] .contact-form {
  background: var(--card-bg) !important;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .contact-form label {
  color: var(--text-primary);
}

[data-theme="dark"] .contact-form input,
[data-theme="dark"] .contact-form textarea {
  background: var(--card-secondary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .contact-form input::placeholder,
[data-theme="dark"] .contact-form textarea::placeholder {
  color: var(--text-tertiary);
}

[data-theme="dark"] .contact-info h3,
[data-theme="dark"] .contact-info h4,
[data-theme="dark"] .contact-info p {
  color: var(--text-primary);
}

[data-theme="dark"] .contact-info a {
  color: #6c63ff;
}

[data-theme="dark"] .project-card {
  background: var(--card-bg);
  box-shadow: 0 4px 20px var(--shadow);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .project-card:hover {
  box-shadow: 0 8px 30px var(--shadow-hover);
}

[data-theme="dark"] .project-card h3,
[data-theme="dark"] .project-card p {
  color: var(--text-primary);
}

[data-theme="dark"] .experience-card {
  background: var(--card-bg) !important;
  border: 1px solid var(--border-color);
  color: var(--text-primary) !important;
}

[data-theme="dark"] .timeline-title,
[data-theme="dark"] .timeline-description {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .timeline-date {
  color: #b3b3ff !important;
}

[data-theme="dark"] .timeline-company {
  color: #ffd700 !important;
}

[data-theme="dark"] .single-service {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .single-service h3,
[data-theme="dark"] .single-service p {
  color: var(--text-primary);
}

[data-theme="dark"] .github-section {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .github-title,
[data-theme="dark"] .github-description {
  color: var(--text-primary);
}

[data-theme="dark"] footer {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .footer-logo,
[data-theme="dark"] .copyright {
  color: var(--text-primary);
}

[data-theme="dark"] .filter-buttons button {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .filter-buttons button.active,
[data-theme="dark"] .filter-buttons button:hover {
  background: #6c63ff;
  color: white;
}

[data-theme="dark"] .experience-intro p {
  color: var(--text-secondary);
}

[data-theme="dark"] .hamburger div {
  background: var(--text-primary);
}

[data-theme="dark"] #services h2 {
  color: var(--text-primary);
}

[data-theme="dark"] .wrapper h2 {
  color: var(--text-primary);
}

[data-theme="dark"] .line {
  background: var(--border-color);
}

[data-theme="dark"] .single-service {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .single-service h3 {
  color: var(--text-primary);
}

[data-theme="dark"] .single-service p {
  color: var(--text-secondary);
}

[data-theme="dark"] .single-service .social {
  background: var(--card-secondary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .single-service .social i {
  color: #6c63ff;
}

[data-theme="dark"] .single-service:hover {
  background: var(--card-secondary);
  box-shadow: 0 8px 30px var(--shadow-hover);
}

[data-theme="dark"] .single-service span {
  background: var(--border-color);
}

/* Dropdown specific styles */
[data-theme="dark"] .dropdown-menu {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .dropdown-menu a {
  color: #1a1a1a !important;
}

[data-theme="dark"] .dropdown-menu a:hover {
  color: #6c63ff !important;
}

@media (max-width: 768px) {
  [data-theme="dark"] .dropdown-menu a {
    color: #ffffff !important;
  }

  [data-theme="dark"] .dropdown-menu a:hover {
    color: #6c63ff !important;
  }
}

@media (max-width: 768px) {
  .dark-mode-toggle {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  
  [data-theme="dark"] .nav-links {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
  }
}
/* Project Details Page Dark Mode Styles */
[data-theme="dark"] .project-details {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

[data-theme="dark"] .details-container {
  background-color: var(--bg-primary);
}

[data-theme="dark"] .back-button {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .back-button:hover {
  background: #6c63ff;
  color: white;
  border-color: #6c63ff;
}

[data-theme="dark"] .project-title,
[data-theme="dark"] .project-subtitle {
  color: var(--text-primary);
}

[data-theme="dark"] .project-description h3,
[data-theme="dark"] .tech-stack h3,
[data-theme="dark"] .features-title,
[data-theme="dark"] .screenshots-title {
  color: var(--text-primary);
}

[data-theme="dark"] .project-description p {
  color: var(--text-secondary);
}

[data-theme="dark"] .project-info {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .tech-item {
  background: var(--card-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .tech-item:hover {
  background: #6c63ff;
  color: white;
  border-color: #6c63ff;
  transform: translateY(-2px);
}

[data-theme="dark"] .feature-card {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px var(--shadow);
}

[data-theme="dark"] .feature-card:hover {
  box-shadow: 0 8px 30px rgba(108, 99, 255, 0.2);
  border-color: #6c63ff;
}

[data-theme="dark"] .feature-icon {
  color: #6c63ff;
}

[data-theme="dark"] .feature-title {
  color: var(--text-primary);
}

[data-theme="dark"] .feature-description {
  color: var(--text-secondary);
}

[data-theme="dark"] .project-main-image {
  box-shadow: 0 25px 60px rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .screenshot-item img {
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px var(--shadow);
}

[data-theme="dark"] .screenshot-item:hover img {
  box-shadow: 0 8px 30px rgba(108, 99, 255, 0.2);
}

[data-theme="dark"] .project-link {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 2px solid #6c63ff;
}

[data-theme="dark"] .project-link:hover {
  background: #6c63ff;
  color: white;
  transform: translateY(-2px);
}

[data-theme="dark"] .project-links {
  background: transparent;
}

/* Arrow Top Button Dark Mode */
[data-theme="dark"] #arrowTopBtn {
  background: #6c63ff;
  color: #fff;
  box-shadow: 0 2px 8px rgba(108, 99, 255, 0.3);
}

[data-theme="dark"] #arrowTopBtn:hover {
  background: #5a52d5;
  box-shadow: 0 4px 12px rgba(108, 99, 255, 0.5);
}