/* simple.css - Minimalist Academic Style Sheet */
:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #555555;
  --accent: #1c5cff;
  --accent-hover: #0040e0;
  --accent-soft: rgba(28, 92, 255, 0.08);
  --border: #eaeaea;
  --max-width: 800px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color-scheme: light;
}

html.dark {
  --bg: #0f1115;
  --text: #e0e0e0;
  --muted: #a0a0a0;
  --accent: #5b8aff;
  --accent-hover: #82a8ff;
  --accent-soft: rgba(91, 138, 255, 0.15);
  --border: #262930;
  color-scheme: dark;
}

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

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 5rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Header & Nav */
.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.1rem;
  font-weight: 600;
}

.logo a {
  color: var(--text);
}

.logo a:hover {
  text-decoration: none;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 1.25rem;
  align-items: center;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-mode-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent) !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
}

.nav-mode-btn:hover {
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
}

/* Main Layout Container */
.main-container {
  max-width: var(--max-width);
  margin: 2.5rem auto 0;
  padding: 0 1.5rem;
}

/* Profile / Bio Section */
.profile-section {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2.5rem;
  align-items: center;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.profile-description {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.profile-name {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.profile-bio {
  font-size: 1.05rem;
  color: var(--text);
}

.profile-bio strong {
  font-weight: 600;
}

.profile-links {
  font-size: 0.95rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.profile-links a {
  font-weight: 500;
}

/* Headings */
.section-heading {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 2.5rem 0 1.2rem;
  padding-bottom: 0.4rem;
  border-bottom: 1.5px solid var(--text);
  letter-spacing: -0.01em;
}

/* News Section */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
}

.news-item {
  font-size: 0.98rem;
  line-height: 1.5;
}

.news-date {
  font-weight: 700;
  margin-right: 0.5rem;
  white-space: nowrap;
}

/* Publications Section */
.pub-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  list-style: none;
}

.pub-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.8rem;
  align-items: flex-start;
}

.pub-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pub-media img,
.pub-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pub-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.pub-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
}

.pub-authors {
  font-size: 0.92rem;
  color: var(--muted);
}

.pub-authors strong {
  font-weight: 600;
  color: var(--text);
}

.pub-venue {
  font-size: 0.9rem;
  font-weight: 600;
  font-style: italic;
  color: var(--muted);
}

.pub-links {
  font-size: 0.9rem;
  display: flex;
  gap: 0.8rem;
}

.pub-links a {
  font-weight: 500;
}

/* Profile Photo */
.prof-image-container {
  display: flex;
  justify-content: center;
}

.prof-image {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

/* Footer */
.footer {
  max-width: var(--max-width);
  margin: 3.5rem auto 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .profile-section {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.8rem;
  }
  
  .prof-image-container {
    order: -1;
  }

  .profile-links {
    justify-content: center;
  }

  .pub-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .pub-media {
    max-width: 320px;
    margin: 0 auto;
  }
}

/* Experience Section Styles */
.xp-group {
  margin-top: 1.8rem;
}

.xp-group-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
}

.xp-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  list-style: none;
}

.xp-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.95rem;
}

.xp-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 2px;
}

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

/* Theme Toggle Button */
.theme-toggle-simple {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.25s ease-in-out;
}

.theme-toggle-simple:hover {
  color: var(--text);
  border-color: var(--text);
  transform: scale(1.05);
}

.theme-toggle-simple svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  stroke: currentColor;
}

.theme-toggle-simple .icon-sun {
  display: block;
}
.theme-toggle-simple .icon-moon {
  display: none;
}

html.dark .theme-toggle-simple .icon-sun {
  display: none;
}
html.dark .theme-toggle-simple .icon-moon {
  display: block;
}