/* Base styles with proper height handling */
html {
  height: 100%;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Fira Code', Menlo, Monaco, 'Courier New', monospace;
  font-size: 16px;
  line-height: 1.6;
  background: #f5f5f5; /* Default light mode background */
  color: #111;
  display: flex;
  flex-direction: column;
}

/* Dark mode classes */
body.dark-mode {
  background: #000; 
  color: #eee;
}

a {
  color: #555;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}
a:hover {
  color: #000;
}
body.dark-mode a {
  color: #aaa;
}
body.dark-mode a:hover {
  color: #fff;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* Header and Nav */
header {
  padding: 1rem;
  background: #fff; /* Light mode: white navbar */
  transition: background 0.3s ease;
}
body.dark-mode header {
  background: #000; /* Dark mode: black navbar */
}

.nav-container {
  max-width: 1200px;
  margin: 0;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

/* Dark Mode Toggle on the left, Hamburger on the right */
.dark-mode-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: #555;
  transition: color 0.3s ease;
}
.dark-mode-toggle:hover {
  color: #111;
}
body.dark-mode .dark-mode-toggle {
  color: #aaa;
}
body.dark-mode .dark-mode-toggle:hover {
  color: #fff;
}

/* Hamburger */
.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  display: none;
  flex-direction: column;
  gap: 5px;
}
.hamburger .bar {
  width: 20px;
  height: 2px;
  background-color: #555;
  transition: background-color 0.3s ease;
}
body.dark-mode .hamburger .bar {
  background-color: #aaa;
}

.hamburger.open .bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.hamburger.open .bar:nth-child(2) {
  opacity: 0;
}
.hamburger.open .bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 600px) {
  .hamburger {
    display: flex;
  }
}

/* Mobile Navigation */
@media (max-width: 600px) {
  .nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff; /* Light mode: white background */
    flex-direction: column;
    align-items: flex-start;
    width: 200px;
    padding: 1rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    display: none;
    z-index: 999; /* Ensure above other elements */
  }
  .nav-links.open {
    display: flex;
  }

  body.dark-mode .nav-links {
    background: #111; /* Dark mode: dark background for menu */
    box-shadow: 0 4px 10px rgba(255,255,255,0.1);
  }
}

/* Main and Footer */
main {
  max-width: 1000px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}
@media (max-width: 600px) {
  main {
    margin: 2rem auto;
    padding: 0 1.5rem;
  }
}

footer {
  max-width: 1000px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: #666;
  padding-bottom: 2rem;
  background: #fff; /* Footer matches light background */
}
body.dark-mode footer {
  background: #000; /* Dark background in dark mode */
  color: #777;
}

/* Intro Section */
.intro {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3rem;
}
.profile-pic {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  filter: grayscale(100%);
  opacity: 0.8;
  transition: filter 0.4s ease, opacity 0.4s ease;
}
.profile-pic:hover {
  filter: grayscale(0%);
  opacity: 1;
}
@media (max-width: 600px) {
  .intro {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  .intro img {
    align-self: flex-start;
    margin-bottom: 1rem;
  }
}

.description h1 {
  margin: 0;
  font-size: 1.75rem;
  margin-bottom: 1rem;
  font-weight: 700;
}
.description p {
  font-size: 1rem;
  color: #444;
}
body.dark-mode .description p {
  color: #ccc;
}

/* Links Section */
.links-section {
  margin-top: 3rem;
}
.links-section h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}
.links-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-start;
}
.link-item {
  display: inline-flex;
  align-items: center;
  margin-right: 1rem;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.link-item:hover {
  transform: translateY(-2px);
}
.link-phone::before {
  content: "📞";
  margin-right: 0.5rem;
}
.link-email::before {
  content: "📧";
  margin-right: 0.5rem;
}
.link-github::before {
  content: "💻";
  margin-right: 0.5rem;
}
.link-linkedin::before {
  content: "🔗";
  margin-right: 0.5rem;
}
.link-resume::before {
  content: "📄";
  margin-right: 0.5rem;
}
.link-item {
  position: relative;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  background-color: #fff;
  border: 1px solid #ddd;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  color: #333;
}
.link-item:hover {
  background-color: #eee;
  border-color: #ccc;
  color: #111;
}
body.dark-mode .link-item {
  background-color: #000;
  border: 1px solid #222;
  color: #aaa;
}
body.dark-mode .link-item:hover {
  background-color: #111;
  border-color: #333;
  color: #fff;
}

/* Link Icons */
.link-github::before {
  content: "★";
  margin-right: 0.5rem;
  color: #555;
}
.link-linkedin::before {
  content: "★";
  margin-right: 0.5rem;
  color: #0a66c2;
}
.link-phone::before {
  content: "📞";
  margin-right: 0.5rem;
  color: #555;
}
.link-email::before {
  content: "📧";
  margin-right: 0.5rem;
  color: #555;
}

@media (max-width: 600px) {
  .links-container {
    flex-direction: column;
    gap: 0.75rem;
  }
  .link-item {
    text-align: left;
    padding: 0.7rem 0.7rem;
  }
}

/* Projects Section */
.projects-section {
  margin-top: 3rem;
}
.projects-section h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}
.project {
  margin-bottom: 2rem;
}
.project h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}
.project p {
  font-size: 0.95rem;
  color: #444;
  margin-bottom: 0.75rem;
}
body.dark-mode .project p {
  color: #ccc;
}
.project a {
  font-size: 0.9rem;
  color: #555;
  border-bottom: 1px dashed #555;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.project a:hover {
  color: #000;
  border-color: #000;
}
body.dark-mode .project a {
  color: #aaa;
  border-bottom-color: #aaa;
}
body.dark-mode .project a:hover {
  color: #fff;
  border-color: #fff;
}

/* Book List */
.book-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}
.book-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid #ddd;
  padding-bottom: 1rem;
  transition: border-color 0.2s ease;
}
.book-item:hover {
  border-color: #ccc;
}
body.dark-mode .book-item {
  border-color: #222;
}
body.dark-mode .book-item:hover {
  border-color: #333;
}
.book-cover {
  width: 50px;
  height: 70px;
  object-fit: cover;
  border-radius: 4px;
  background: #fff;
}
body.dark-mode .book-cover {
  background: #111;
}
.book-details strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: #111;
}
body.dark-mode .book-details strong {
  color: #eee;
}
.book-details p {
  font-size: 0.95rem;
  color: #444;
}
body.dark-mode .book-details p {
  color: #ccc;
}

/* If not dark-mode, then light mode */
body:not(.dark-mode) {
  background: #f5f5f5;
  color: #111;
}

a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #fff;
}

/* Light mode link colors */
body:not(.dark-mode) a {
  color: #555;
}
body:not(.dark-mode) a:hover {
  color: #000;
}

/* Header, Footer: No background */
header, footer {
  background: none;
}

/* Nav Container */
.nav-container {
  max-width: 1200px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: #eee;
}
.dark-mode-toggle:hover {
  color: #fff;
}

/* Light mode toggle colors */
body:not(.dark-mode) .dark-mode-toggle {
  color: #555;
}
body:not(.dark-mode) .dark-mode-toggle:hover {
  color: #111;
}

/* Hamburger */
.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  display: none;
  flex-direction: column;
  gap: 5px;
}
.hamburger .bar {
  width: 20px;
  height: 2px;
  background: #eee; /* visible in dark mode */
}
body:not(.dark-mode) .hamburger .bar {
  background: #333; /* visible in light mode */
}

.hamburger.open .bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.hamburger.open .bar:nth-child(2) {
  opacity: 0;
}
.hamburger.open .bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 600px) {
  .hamburger {
    display: flex;
  }
}

/* Resume Styles */
.resume-container {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.resume-container section {
  margin-bottom: 2.5rem;
}

.resume-container h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.resume-container h2 {
  font-size: 1.8rem;
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-info a {
  color: var(--text-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-info a:hover {
  color: var(--primary-color);
}

.experience-item, .education-item, .project-item {
  margin-bottom: 2rem;
}

.job-header, .education-info {
  margin-bottom: 1rem;
}

.job-info, .education-info {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.experience-item h3, .education-item h3, .project-item h3 {
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.experience-item ul, .project-item ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}

.experience-item li, .project-item li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.skills .skill-group {
  margin-bottom: 1rem;
}

.skill-group h3 {
  color: var(--text-color);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.skill-group p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.tech-stack {
  color: var(--primary-color);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.profile-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.profile-links a {
  color: var(--text-color);
  text-decoration: none;
}

.profile-links a:hover {
  color: var(--primary-color);
}

.gpa, .grades {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

@media (max-width: 768px) {
  .resume-container {
    padding: 0 1rem;
  }

  .contact-info {
    flex-direction: column;
    gap: 1rem;
  }

  .job-info, .education-info {
    flex-direction: column;
    gap: 0.5rem;
  }
}

.resume-section {
  padding: 4rem 0;
  background-color: var(--bg-secondary);
}

section {
  scroll-margin-top: 80px; /* This ensures the header doesn't overlap content when scrolling to anchors */
}