/* Variables - Japanese-inspired Color Palette */
:root {
  /* Traditional Japanese colors */
  --indigo: #223a70;       /* Kon (濃紺) - Dark indigo */
  --deep-red: #9b2335;     /* Enji (臙脂) - Dark red */
  --light-red: #bd5164;    /* Softer version of Enji */
  --black: #1a1a1a;        /* Sumi (墨) - Japanese ink */
  --off-white: #f6f5f0;    /* Gofun (胡粉) - Traditional white */
  --sand: #dcd3b2;         /* Kinariiro (生成り色) - Natural fabric */
  --gold: #b8a256;         /* Kin (金) - Japanese gold */
  --bamboo: #7a8c51;       /* Take (竹) - Bamboo green */
  
  /* Utility colors */
  --text-dark: #1a1a1a;
  --text-light: #4a4a4a;
  --transition: all 0.3s ease;

  /* Dark mode colors */
  --dark-bg: #16192e;          /* Rich dark indigo background */
  --dark-surface: #262a42;     /* Slightly lighter surface color */
  --dark-accent: #724a4a;      /* Dark burgundy accent */
  --dark-text: #e0e0d8;        /* Off-white text for better eye comfort */
  --dark-text-muted: #a9a9a6;  /* Muted text color */
  --dark-gold: #d4af37;        /* Richer gold for dark mode */
  --dark-red: #c75e67;         /* Softer red for dark mode */
  --dark-bamboo: #94aa66;      /* Lighter bamboo for visibility */
  --dark-sand: #5e5546;        /* Dark sand color */
  --dark-header: rgba(22, 25, 46, 0.95); /* Header background for dark mode */
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-dark);
  background-color: var(--off-white);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Cherry Blossom Background - Updated with Japanese paper texture */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://www.transparenttextures.com/patterns/washi.png');
  background-size: 50% auto;
  opacity: 0.08;
  z-index: -1;
  pointer-events: none;
}

/* Canvas Styles */
#cherry-blossom-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  color: var(--indigo);
}

h1 {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
}

h1::after {
  content: '';
  display: block;
  width: 30%;
  height: 3px;
  background-color: var(--deep-red);
  margin-top: 0.5rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

a {
  color: var(--indigo);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--deep-red);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Header with Contact Integration */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(246, 245, 240, 0.95); /* off-white with transparency */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: relative;
}

/* Social Buttons in Header */
.header-social-buttons {
  display: none; /* Hide the old social buttons */
}

.social-button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  font-size: 1.2rem;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.social-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

.github {
  background: var(--black);
}

.twitter {
  background: var(--indigo);
}

.linkedin {
  background: var(--indigo);
}

.email {
  background: var(--bamboo);
}

.cv {
  background: var(--deep-red);
}

.email-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  background: linear-gradient(45deg, var(--indigo), var(--deep-red));
  color: white;
  border-radius: 30px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.email-button i {
  margin-right: 8px;
}

.email-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

/* Navigation */
nav ul {
  display: flex;
  list-style: none;
}

nav li {
  margin-left: 2rem;
}

nav a {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  letter-spacing: 1px;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--deep-red);
  transition: var(--transition);
}

nav a:hover::after {
  width: 100%;
}

.burger {
  display: none;
  cursor: pointer;
}

.burger div {
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 5px;
  transition: var(--transition);
}

/* Hero/About Section */
#about {
  padding-top: 10rem;
  background: linear-gradient(to bottom, var(--off-white), var(--sand));
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
}

.profile-image {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--off-white);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin: 0 auto;
}

.profile-image:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Research Section */
#research {
  background-color: var(--sand);
}

.research-item {
  background-color: var(--off-white);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  border-left: 4px solid var(--bamboo);
}

.research-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--deep-red);
}

.research-title {
  font-weight: 700;
  color: var(--indigo);
  margin-bottom: 0.5rem;
}

.research-status {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-bottom: 1rem;
  background-color: var(--light-red);
  color: var(--white);
  display: flex; /* Use flexbox to align items */
  align-items: center; /* Vertically align items */
  gap: 0.5rem; /* Add some space between text and icon */
}

.research-status span i {
  color: var(--white); /* Adjust the color as needed */
}

/* Projects Section */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--off-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  border-bottom: 3px solid var(--sand);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-bottom: 3px solid var(--gold);
}

.project-image {
  width: 100%;
  height: 200px;
  background-color: var(--indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 2rem;
  opacity: 0.8;
}

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-links {
  margin-top: 1rem;
}

.project-links a {
  display: inline-block;
  margin-right: 1rem;
  color: var(--green-dark);
}

.project-links a:hover {
  color: var(--pink-dark);
}

/* Research Interests Section */
#research-interests {
  background-color: var(--sand);
}

.interests-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr; /* Modified: Changed from 1fr 1.5fr to give more space to the left column */
  gap: 2rem;
}

.interests-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.interest-item-card {
  background-color: var(--off-white);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  cursor: pointer;
  border-left: 4px solid var(--bamboo);
  display: flex;
  align-items: center;
}

.interest-item-card:hover, .interest-item-card.active {
  transform: translateX(5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--deep-red);
  background-color: rgba(34, 58, 112, 0.05);
}

.interest-icon {
  font-size: 1.8rem;
  margin-right: 1rem;
  color: var(--indigo);
  min-width: 2.5rem;
  text-align: center;
}

.interest-title {
  font-weight: 600;
  margin: 0;
}

.interests-sidebar {
  background-color: var(--off-white);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--indigo);
  max-height: 400px;
  overflow-y: auto;
}

.interests-sidebar::-webkit-scrollbar {
  width: 6px;
}

.interests-sidebar::-webkit-scrollbar-track {
  background: var(--gray-light);
  border-radius: 10px;
}

.interests-sidebar::-webkit-scrollbar-thumb {
  background: var(--bamboo);
  border-radius: 10px;
}

.interest-description {
  display: none;
  animation: fadeInRight 0.5s ease forwards;
}

.interest-description.active {
  display: block;
}

.interest-description h3 {
  color: var(--indigo);
  position: relative;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.interest-description h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 3px;
  background-color: var(--deep-red);
}

/* Footer */
footer {
  background-color: var(--black);
  color: var(--white);
  text-align: center;
  padding: 2rem 0;
  position: relative;
}

.footer-text {
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* Add Japanese-inspired decorative elements */
.section-title-container {
  position: relative;
  display: inline-block;
  margin-bottom: 2.5rem;
}

.section-title {
  margin-bottom: 0;
  position: relative;
  z-index: 1;
}

.japanese-symbol {
  font-family: 'Noto Sans JP', sans-serif;
  position: absolute;
  top: -25px;
  right: -30px;
  font-size: 5rem;
  opacity: 0.1;
  color: var(--gold);
  z-index: 0;
  pointer-events: none;
}

/* Stylize research-item to resemble a scroll */
.research-item {
  position: relative;
  padding: 2rem 2rem 2rem 2.5rem;
  overflow: hidden;
}

.research-item::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, transparent 50%, var(--sand) 50%);
}

.project-card {
  position: relative;
  transition: var(--transition), transform 0.4s ease;
}

/* Add stylized Japanese decoration to interest items */
.interest-item-card::before {
  content: '極';
  position: absolute;
  right: 15px;
  top: 10px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 2rem;
  opacity: 0.05;
  color: var(--deep-red);
  pointer-events: none;
}

/* Logo styling (simplified) */
.logo h3 {
  margin-bottom: 0;
  font-size: 1.5rem;
  letter-spacing: 0.5px;
  color: var(--indigo);
}

/* Dark Mode Toggle Button */
.dark-mode-toggle {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 30px;
  margin-right: 20px;
}

.dark-mode-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.dark-mode-label {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--text-dark);
  border-radius: 15px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px;
}

.dark-mode-label i {
  position: relative;
  color: var(--gold);
  transition: transform 0.3s ease;
}

.dark-mode-label .fa-sun {
  display: none;
}

.dark-mode-checkbox:checked + .dark-mode-label {
  background-color: var(--off-white);
}

.dark-mode-checkbox:checked + .dark-mode-label .fa-moon {
  transform: translateX(-20px);
}

.dark-mode-checkbox:checked + .dark-mode-label .fa-sun {
  display: block;
  transform: translateX(20px);
}

/* Dark Mode Styles - Completely Revamped */
body.dark-mode {
  background-color: var(--dark-bg);
  color: var(--dark-text);
}

/* Typography in Dark Mode */
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
  color: var(--dark-gold);
}

body.dark-mode h1::after {
  background-color: var(--dark-red);
}

body.dark-mode p {
  color: var(--dark-text-muted);
}

body.dark-mode a {
  color: var(--dark-gold);
}

body.dark-mode a:hover {
  color: var(--dark-red);
}

/* Header in Dark Mode */
body.dark-mode header {
  background-color: var(--dark-header);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
}

body.dark-mode .logo h3 {
  color: var(--dark-gold);
}

body.dark-mode nav a::after {
  background-color: var(--dark-red);
}

body.dark-mode .burger div {
  background-color: var(--dark-text);
}

/* Sections in Dark Mode */
body.dark-mode #about {
  background: linear-gradient(to bottom, var(--dark-bg), var(--dark-sand));
}

body.dark-mode #research,
body.dark-mode #research-interests {
  background-color: var(--dark-sand);
}

/* Cards and Items in Dark Mode */
body.dark-mode .research-item,
body.dark-mode .project-card,
body.dark-mode .interest-item-card {
  background-color: var(--dark-surface);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border-color: var(--dark-accent);
}

body.dark-mode .research-item:hover,
body.dark-mode .interest-item-card:hover,
body.dark-mode .interest-item-card.active {
  border-left-color: var(--dark-red);
  background-color: rgba(114, 74, 74, 0.2);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

body.dark-mode .project-card:hover {
  border-bottom-color: var(--dark-gold);
}

body.dark-mode .research-title {
  color: var(--dark-gold);
}

body.dark-mode .research-item::before {
  background: linear-gradient(135deg, transparent 50%, var(--dark-sand) 50%);
}

body.dark-mode .research-status {
  background-color: var(--dark-accent);
}

body.dark-mode .project-image {
  background-color: var(--dark-accent);
  opacity: 0.9;
}

/* Sidebar and Interest Icons */
body.dark-mode .interests-sidebar {
  background-color: var(--dark-surface);
  border-top-color: var(--dark-gold);
}

body.dark-mode .interest-icon {
  color: var(--dark-gold);
}

body.dark-mode .interest-description h3:after {
  background-color: var(--dark-red);
}

/* Japanese Symbol and Decorative Elements */
body.dark-mode .japanese-symbol {
  color: var(--dark-gold);
  opacity: 0.15;
}

body.dark-mode .interest-item-card::before {
  color: var(--dark-red);
  opacity: 0.1;
}

/* Footer in Dark Mode */
body.dark-mode footer {
  background-color: #121525;
}

/* Dark Mode Toggle Custom Styling */
body.dark-mode .dark-mode-checkbox:checked + .dark-mode-label {
  background-color: var(--dark-surface);
  border: 1px solid var(--dark-gold);
}

body.dark-mode .dark-mode-label i {
  color: var(--dark-gold);
}

/* Background Effects */
body.dark-mode::before {
  opacity: 0.05;
  filter: invert(0.9);
}

/* Canvas Background (adjust petals in dark mode) */
body.dark-mode #cherry-blossom-canvas {
  filter: brightness(0.8) saturate(0.8);
}

body.dark-mode .social-button.email {
  background: var(--dark-bamboo);
}

/* Responsive styles */
@media screen and (max-width: 768px) {
  .header-social-buttons {
    position: relative;
    top: auto;
    right: auto;
    margin-top: 20px;
    justify-content: center;
  }
  
  .header-container {
    flex-direction: column;
    padding-bottom: 20px;
  }
  
  nav ul {
    position: absolute;
    right: 0;
    top: 80px;
    height: calc(100vh - 80px);
    background-color: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    width: 50%;
    transform: translateX(100%);
    transition: transform 0.5s ease;
    box-shadow: -5px 0 10px rgba(0, 0, 0, 0.1);
    margin-top: 0;
  }
  
  nav ul.nav-active {
    transform: translateX(0);
  }
  
  .burger {
    display: block;
  }
  
  .burger.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  
  .burger.toggle .line2 {
    opacity: 0;
  }
  
  .burger.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
  }
  
  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
  }
  
  .interests-container {
    grid-template-columns: 1fr; /* Revert to single column on mobile */
  }
  
  .interests-sidebar {
    max-height: none;
  }
}

/* Polish - Enhanced Dark Mode */
body.dark-mode {
  background-color: #0f1118; /* Deeper dark background for better contrast */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%23212435' fill-opacity='0.15'%3E%3Cpath opacity='.5' d='M96 95h4v1h-4v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9zm-1 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9z'/%3E%3Cpath d='M6 5V0H5v5H0v1h5v94h1V6h94V5H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Polish - Enhanced Cards */
body.dark-mode .research-item,
body.dark-mode .project-card,
body.dark-mode .interest-item-card,
body.dark-mode .interests-sidebar {
  background-color: rgba(30, 32, 46, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

body.dark-mode .research-item:hover,
body.dark-mode .project-card:hover,
body.dark-mode .interest-item-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(111, 76, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.1);
}

/* Polish - Accent Colors */
body.dark-mode .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  margin-top: 10px;
  background: linear-gradient(90deg, #bb86fc, #6200ea);
  border-radius: 2px;
}

body.dark-mode .japanese-symbol {
  color: #bb86fc;
  text-shadow: 0 0 15px rgba(187, 134, 252, 0.3);
}

/* Polish - Scroll Bar */
body.dark-mode::-webkit-scrollbar {
  width: 10px;
}

body.dark-mode::-webkit-scrollbar-track {
  background: #121212;
}

body.dark-mode::-webkit-scrollbar-thumb {
  background: #bb86fc;
  border-radius: 5px;
}

body.dark-mode::-webkit-scrollbar-thumb:hover {
  background: #6200ea;
}

/* Polish - Link Hover Effects */
body.dark-mode a {
  position: relative;
  transition: color 0.3s ease;
}

body.dark-mode a:not(.social-button):after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background: linear-gradient(90deg, #bb86fc, #6200ea);
  transition: width 0.3s ease;
}

body.dark-mode a:not(.social-button):hover:after {
  width: 100%;
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #0f1118;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 5px solid rgba(187, 134, 252, 0.3);
  border-radius: 50%;
  border-top-color: #bb86fc;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Bonsai Animation Styling */
.bonsai-container {
  margin: 2.5rem 0;
  background-color: var(--off-white);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  border-left: none;
  border-top: 4px solid var(--bamboo);
  width: 100%; /* Expand to fill available space */
  box-sizing: border-box;
  /* Added margin to push content to fill the space */
  margin-right: -1rem;
  margin-left: -1rem;
  padding-left: 3rem;
  padding-right: 3rem;
}

body.dark-mode .bonsai-container {
  background-color: rgba(30, 32, 46, 0.7);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-top: 4px solid var(--dark-bamboo);
}

/* New wrapper for images */
.bonsai-images-wrapper {
  display: flex;
  justify-content: space-around; /* Distribute space evenly */
  align-items: flex-start; /* Align items to the start */
  width: 100%;
  gap: 2rem; /* Increased gap between the image and GIF */
}

.kf-panda-image-container {
  width: 60%; /* Increased: Give more space to the Kung Fu Panda image */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.kf-panda-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition: transform 0.5s ease;
  object-fit: cover; /* Ensure the image covers the area */
}

.bonsai-gif-container {
  width: 40%; /* Reduced to give more space to the Kung Fu Panda image */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bonsai-gif {
  width: 100%;
  border-radius: 8px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  transition: transform 0.5s ease;
}

.bonsai-container:hover .kf-panda-image,
.bonsai-container:hover .bonsai-gif {
  transform: scale(1.02);
}

.bonsai-caption {
  margin-top: 1rem;
  font-style: italic;
  opacity: 0.8;
  font-size: 0.9rem;
  max-width: 600px;
}

body.dark-mode .bonsai-caption {
  color: var(--dark-text-muted);
}

/* Add special styling for mobile view */
@media screen and (max-width: 768px) {
  .bonsai-container {
    padding: 1.5rem;
    margin: 2rem 0;
    gap: 1.5rem;
  }
  
  /* Stack images vertically on smaller screens */
  .bonsai-images-wrapper {
    flex-direction: column;
    align-items: center;
  }
  
  .kf-panda-image-container,
  .bonsai-gif-container {
    width: 100%; /* Full width on smaller screens */
  }
  
  .kf-panda-image {
    max-width: 100%;
  }
  
  .bonsai-gif {
    max-width: 100%;
  }
  
  .bonsai-caption {
    font-size: 0.85rem;
  }
}

/* Enhanced Bonsai Container */
.bonsai-container {
  margin: 2.5rem 0;
  background-color: var(--off-white);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  border-left: none;
  border-top: 4px solid var(--bamboo);
  width: 100%; /* Expand to fill available space */
}

body.dark-mode .bonsai-container {
  background-color: rgba(30, 32, 46, 0.7);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-top: 4px solid var(--dark-bamboo);
}

/* New wrapper for images */
.bonsai-images-wrapper {
  display: flex;
  justify-content: space-around; /* Distribute space evenly */
  align-items: flex-start; /* Align items to the start */
  width: 100%;
  gap: 1rem; /* Space between the image and GIF */
}

.kf-panda-image-container {
  width: 50%; /* Take up half the container width */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.kf-panda-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition: transform 0.5s ease;
  object-fit: cover; /* Ensure the image covers the area */
}

.bonsai-gif-container {
  width: 50%; /* Take up half the container width */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bonsai-gif {
  width: 100%;
  border-radius: 8px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  transition: transform 0.5s ease;
}

.bonsai-container:hover .kf-panda-image,
.bonsai-container:hover .bonsai-gif {
  transform: scale(1.02);
}

.bonsai-caption {
  margin-top: 1rem;
  font-style: italic;
  opacity: 0.8;
  font-size: 0.9rem;
  max-width: 600px;
}

body.dark-mode .bonsai-caption {
  color: var(--dark-text-muted);
}

/* Add special styling for mobile view */
@media screen and (max-width: 768px) {
  .bonsai-container {
    padding: 1.5rem;
    margin: 2rem 0;
    gap: 1.5rem;
  }
  
  /* Stack images vertically on smaller screens */
  .bonsai-images-wrapper {
    flex-direction: column;
    align-items: center;
  }
  
  .kf-panda-image-container,
  .bonsai-gif-container {
    width: 100%; /* Full width on smaller screens */
  }
  
  .kf-panda-image {
    max-width: 100%;
  }
  
  .bonsai-gif {
    max-width: 100%;
  }
  
  .bonsai-caption {
    font-size: 0.85rem;
  }
}

/* Bonsai Animation Styling - Full Width Version */
.bonsai-container {
  margin: 3rem -2rem; /* Negative margin to break out of parent container */
  width: calc(100% + 4rem); /* Full width plus the negative margins */
  max-width: 100vw; /* Ensure it doesn't overflow the viewport */
  background-color: var(--off-white);
  border-radius: 10px;
  padding: 2.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  border-left: none;
  border-top: 4px solid var(--bamboo);
  position: relative;
  box-sizing: border-box;
}

body.dark-mode .bonsai-container {
  background-color: rgba(30, 32, 46, 0.7);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-top: 4px solid var(--dark-bamboo);
}

/* New wrapper for images - Enhanced for better visibility */
.bonsai-images-wrapper {
  display: flex;
  justify-content: space-between; /* Space items evenly */
  align-items: center; /* Center items vertically */
  width: 100%;
  gap: 2rem; /* Increased space between images */
  max-width: 1200px; /* Max width for larger screens */
  margin: 0 auto; /* Center the wrapper */
}

.kf-panda-image-container {
  width: 65%; /* Give more space to the Kung Fu Panda image */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.kf-panda-image {
  width: 100%;
  height: auto;
  max-height: 400px; /* Set a max height but allow scaling */
  border-radius: 8px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition: transform 0.5s ease;
  object-fit: contain; /* Changed to contain to show the full image */
}

.bonsai-gif-container {
  width: 35%; /* Reduced to give more space to the Kung Fu Panda image */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bonsai-gif {
  width: 100%;
  max-height: 300px; /* Set a max height */
  border-radius: 8px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  transition: transform 0.5s ease;
  object-fit: contain; /* Changed to contain to show the full gif */
}

.bonsai-container:hover .kf-panda-image,
.bonsai-container:hover .bonsai-gif {
  transform: scale(1.03); /* Slightly enhanced hover effect */
}

.bonsai-caption {
  margin-top: 1rem;
  font-style: italic;
  opacity: 0.8;
  font-size: 0.9rem;
  max-width: 100%; /* Allow captions to use more width */
  padding: 0 1rem;
}

/* Style adjustments for the Research Interests section to accommodate the full-width bonsai */
#research-interests .container {
  overflow: visible; /* Allow content to overflow for the bonsai container */
}

.interests-list {
  position: relative; /* For the bonsai container positioning */
  overflow: visible; /* Allow bonsai to overflow */
}

/* Add special styling for mobile view */
@media screen and (max-width: 768px) {
  .bonsai-container {
    margin: 2rem -1rem; /* Smaller negative margin on mobile */
    width: calc(100% + 2rem);
    padding: 1.5rem;
  }
  
  /* Stack images vertically on smaller screens */
  .bonsai-images-wrapper {
    flex-direction: column;
    align-items: center;
  }
  
  .kf-panda-image-container,
  .bonsai-gif-container {
    width: 100%; /* Full width on smaller screens */
    margin-bottom: 1.5rem;
  }
  
  .kf-panda-image,
  .bonsai-gif {
    max-height: none; /* Remove max height on mobile */
  }
}

/* About header with social buttons */
.about-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.about-header h1 {
  margin-bottom: 0;
  margin-right: 1rem;
}

.about-social-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Social Buttons in About section */
.about-social-buttons .social-button {
  width: 36px;
  height: 36px;
  font-size: 1rem;
  box-shadow: 0 4px 8px rgba(0,0,0,0.12);
}

/* Responsive adjustments for social buttons */
@media screen and (max-width: 768px) {
  .about-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .about-header h1 {
    margin-right: 0;
    margin-bottom: 1rem;
  }
  
  .about-header h1::after {
    margin: 0.5rem auto 0;
  }
}

/* Enhanced Inspiration Section */
.inspiration-section {
  padding: 4rem 0;
  margin-top: 2rem;
  width: 100%;
  overflow: visible;
  position: relative;
}

.inspiration-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.inspiration-images {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: stretch;
  gap: 30px;
  width: 100%;
}

.inspiration-item {
  flex: 0 0 48%;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  transition: all 0.4s ease;
  transform-origin: center;
  background-color: var(--dark-surface);
}

body.dark-mode .inspiration-item {
  background-color: rgba(30, 32, 46, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.inspiration-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 40px rgba(111, 76, 255, 0.25);
}

.inspiration-image {
  width: 100%;
  border-radius: 8px 8px 0 0;
  transition: transform 0.5s ease;
}

.bonsai-gif, .kf-panda-image {
  height: 300px;
  object-fit: cover;
  width: 100%;
}

.inspiration-caption {
  padding: 1.5rem;
  text-align: center;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--dark-text-muted);
  background: linear-gradient(to bottom, rgba(30, 32, 46, 0.7), rgba(22, 25, 46, 0.9));
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Scroll Progress Indicator */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 1001;
  background: transparent;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #bb86fc, #6200ea);
  box-shadow: 0 0 10px rgba(187, 134, 252, 0.5);
  transition: width 0.1s ease;
}

/* Enhanced Footer */
footer {
  background-color: rgba(15, 17, 24, 0.95);
  color: var(--dark-text);
  padding: 3rem 0 1.5rem;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.footer-left {
  flex: 1;
  min-width: 250px;
}

.footer-left h3 {
  color: var(--dark-gold);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.footer-tagline {
  font-style: italic;
  opacity: 0.8;
  max-width: 300px;
  font-size: 0.95rem;
}

.footer-right {
  flex: 1;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.footer-contact {
  text-align: right;
  margin-bottom: 1rem;
}

.footer-contact p {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--dark-text-muted);
}

.footer-contact i {
  margin-right: 0.5rem;
  color: var(--dark-gold);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: var(--dark-text);
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  color: var(--dark-gold);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-text, .footer-credits {
  font-size: 0.85rem;
  opacity: 0.7;
  margin: 0;
}

/* Enhanced Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #0f1118;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(187, 134, 252, 0.2);
  border-radius: 50%;
  border-top-color: #bb86fc;
  animation: spin 1s ease-in-out infinite;
  margin-bottom: 1rem;
}

.preloader-text {
  color: var(--dark-text);
  font-size: 1.2rem;
  letter-spacing: 3px;
  animation: pulse 1.5s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Better transitions for all interactive elements */
a, button, .project-card, .research-item, .interest-item-card {
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Enhanced Fade-In Effect */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Footer */
@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
  }
  
  .footer-right {
    align-items: flex-start;
    margin-top: 2rem;
  }
  
  .footer-contact {
    text-align: left;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .inspiration-images {
    flex-direction: column;
  }
  
  .inspiration-item {
    flex: 0 0 100%;
    margin-bottom: 2rem;
  }
}