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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", sans-serif;
  background-color: #fafafa;
  color: #333333;
  line-height: 1.7;
  font-size: 16px;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark theme */
body[data-theme="dark"] {
  background-color: #0a0a0a;
  color: #e5e5e5;
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: none;
  border: 1px solid #e5e5e5;
  color: #666666;
  cursor: pointer;
  padding: 0.75rem;
  border-radius: 6px;
  background-color: #ffffff;
  z-index: 1000;
  transition: all 0.15s ease;
}

.theme-toggle:hover {
  background-color: #f8f8f8;
  color: #555555;
}

body[data-theme="dark"] .theme-toggle {
  color: #999999;
  background-color: #111111;
  border: none;
}

body[data-theme="dark"] .theme-toggle:hover {
  background-color: #1a1a1a;
  color: #cccccc;
}

/* Main Layout */
.main-layout {
  display: grid;
  grid-template-columns: 350px 1fr;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  gap: 4rem;
}

/* Sidebar - Fixed and Centered */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background-color: #fafafa;
  padding: 4rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
  transition: background-color 0.3s ease;
  overflow-y: auto;
}

body[data-theme="dark"] .sidebar {
  background-color: #0a0a0a;
}

/* Profile Section */
.profile-section {
  text-align: center;
  max-width: 280px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-image {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid #e5e5e5;
  margin: 0 auto 2rem;
  transition: border-color 0.15s ease;
}

.profile-image:hover {
  border-color: #999999;
}

body[data-theme="dark"] .profile-image {
  border-color: #333333;
}

body[data-theme="dark"] .profile-image:hover {
  border-color: #666666;
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.name {
  font-size: 1.8rem;
  font-weight: 600;
  color: #4183df;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

body[data-theme="dark"] .name {
  color: #4183df;
}

.email {
  color: #666666;
  font-size: 1rem;
  margin-bottom: 2rem;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

body[data-theme="dark"] .email {
  color: #999999;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background-color: transparent;
  color: #4183df;
  text-decoration: none;
  transition: all 0.15s ease;
  border: 1px solid #e5e5e5;
}

.social-link:hover {
  background-color: #f8f8f8;
  color: #5b9af2;
}

body[data-theme="dark"] .social-link {
  color: #999999;
  border-color: #333333;
}

body[data-theme="dark"] .social-link:hover {
  background-color: #1a1a1a;
  color: #cccccc;
}

/* Main Content */
.main-content {
  padding: 3rem 0;
  max-width: 800px;
  display: flex;
  justify-content: center;
}

.main-content-inner {
  max-width: 900px;
  width: 100%;
}

.content-section {
  margin-bottom: 2rem;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: #4183df;
  margin-bottom: 0rem;
  letter-spacing: -0.01em;
}

body[data-theme="dark"] .section-title {
  color: #4183df;
}

.text-content {
  font-size: 1rem;
  line-height: 1.8;
}

.text-content p {
  margin-bottom: 1.5rem;
  color: #666666;
}

.text-content p:last-child {
  margin-bottom: 0;
}

body[data-theme="dark"] .text-content p {
  color: #cccccc;
}

/* Experience */
.experience-item {
  margin-bottom: 1.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid #e5e5e5;
  transition: border-color 0.15s ease;
}

.experience-item:hover {
  border-color: #cccccc;
}

body[data-theme="dark"] .experience-item {
  border-color: #333333;
}

body[data-theme="dark"] .experience-item:hover {
  border-color: #555555;
}

.experience-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #333333;
  margin-bottom: 0;
  margin-left: 1rem;
}

body[data-theme="dark"] .experience-title {
  color: #e5e5e5;
}

/* Project Links */
.project-link {
  color: #4183df;
  text-decoration: none;
  transition: color 0.15s ease;
}

.project-link:hover {
  color: #5b9af2;
  text-decoration: underline;
}

body[data-theme="dark"] .project-link {
  color: #5b9af2;
}

body[data-theme="dark"] .project-link:hover {
  color: #7bb3f5;
}

.experience-company {
  font-size: 1.1rem;
  color: #666666;
  margin-bottom: 0.25rem;
  font-weight: 500;
  margin-left: 1rem;
}

body[data-theme="dark"] .experience-company {
  color: #999999;
}

.experience-description {
  color: #666666;
  line-height: 1.7;
  font-size: 1.1rem;
  margin-left: 1rem;
}

body[data-theme="dark"] .experience-description {
  color: #cccccc;
}

/* Skills List */
.skills-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skills-list li {
  padding: 0.5rem 1rem;
  background-color: #f5f5f5;
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  color: #666666;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

.skills-list li:hover {
  background-color: #f0f0f0;
  color: #555555;
}

body[data-theme="dark"] .skills-list li {
  background-color: #222222;
  border-color: #333333;
  color: #999999;
}

body[data-theme="dark"] .skills-list li:hover {
  background-color: #2a2a2a;
  color: #cccccc;
}

/* Responsive Design */
@media (min-width: 1400px) {
  .main-layout {
    max-width: 1600px;
    gap: 6rem;
  }
}

@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    padding: 0 1rem;
  }

  .sidebar {
    padding: 2rem 1.5rem;
  }

  .main-content {
    padding: 2rem 0;
  }

  .profile-image {
    width: 150px;
    height: 150px;
  }

  .name {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .main-layout {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
  }

  .sidebar {
    position: relative;
    height: auto;
    padding: 2rem 1rem;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-content {
    padding: 2rem 1.5rem;
  }

  .theme-toggle {
    top: 1rem;
    right: 1rem;
  }

  .profile-image {
    width: 120px;
    height: 120px;
  }

  .name {
    font-size: 1.4rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .text-content {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .sidebar {
    padding: 1.5rem 1rem;
  }

  .main-content {
    width: 100%;
    padding: 1.5rem 1rem;
  }

  .profile-image {
    width: 100px;
    height: 100px;
  }

  .name {
    font-size: 1.2rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .social-links {
    gap: 0.75rem;
  }

  .social-link {
    width: 35px;
    height: 35px;
  }
}

/* Selection styles */
::selection {
  background-color: #f0f0f0;
  color: #333333;
}

body[data-theme="dark"] ::selection {
  background-color: #333333;
  color: #e5e5e5;
}