/* Color Theme Variables */
:root {
  --bg-color: #121212;
  --text-color: #e4e4e7;
  --card-bg: #1e1e24;
  --card-border: #2d2d34;
  --timeline-line: #2d2d34;
  --timeline-box-bg: #1e293b;
  --timeline-box-border: #334155;
  --accent-blue: #60a5fa;
  --accent-green: #09eb89;
  --text-muted: #94a3b8;
  --text-secondary: #cbd5e1;
}

[data-theme="light"] {
  --bg-color: #ffffff;
  --text-color: #171c19;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --timeline-line: #e2e8f0;
  --timeline-box-bg: #f0f7ff;
  --timeline-box-border: #e0f2fe;
  --accent-blue: #3b82f6;
  --accent-green: #24ad72;
  --text-muted: #64748b;
  --text-secondary: #475569;
}

/* Core Layout & Typography */
body {
  width: 80%;
  margin: auto;
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
  font-family: system-ui, -apple-system, sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
}

header { text-align: center; }
#theme-toggle { position: fixed; top: 20px; right: 20px; z-index: 9999; }

/* Navigation */
nav > ul { list-style: none; display: flex; align-items: center; justify-content: center; gap: 20px; padding: 0; }
nav > ul > li > a { text-decoration: none; color: var(--text-color); }
nav > ul > li > a:hover { color: var(--accent-green); }

/* Profile Asset */
.circle-photo { width: 450px; height: 450px; border-radius: 50%; object-fit: cover; }

/* Brand Accents */
.realm-green, h1.realm-green { color: #09eb89 !important; }
.realm-dgreen { color: #24ad72 !important; }

.btn-outline-secondary { border-color: #08c875 !important; color: #08c875 !important; }
.btn-outline-secondary:hover { background: #24ad72; border-color: #08c875 !important; color: #08c875 !important; }

/* Inline Anchor Highlight */
.inline-btn-link { text-decoration: none; display: inline; }
.inline-btn-link strong {
  color: var(--accent-green) !important;
  padding: 1px 4px;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.inline-btn-link:hover strong {
  background-color: rgba(36, 173, 114, 0.15);
  color: #09eb89 !important;
}

/* Interactive Rotating Header */
.interests-container { display: flex; justify-content: center; }
.rotating-interests-container {
  position: relative;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 2rem 0 0 0;
}
.rotating-item {
  position: absolute;
  font-size: 2rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
  white-space: nowrap;
}
.rotating-item.active { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* Cards & Sections */
.portfolio-card-section {
  max-width: 800px;
  margin: 2.5rem auto;
  padding: 2.5rem;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.centered-section-title {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
}

/* Timeline Layout */
.timeline-container { position: relative; padding-left: 2rem; }
.timeline-container::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 2px;
  background-color: var(--timeline-line);
}

.timeline-item { position: relative; margin-bottom: 1.75rem; }
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 1.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  border: 2px solid var(--card-bg);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
  z-index: 1;
}

.timeline-content {
  background-color: var(--timeline-box-bg);
  border: 1px solid var(--timeline-box-border);
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.timeline-content:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.resume-style-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  margin-bottom: 0.5rem;
  gap: 1.5rem;
}
.header-left-block { display: flex; flex-direction: column; gap: 0.15rem; }
.header-right-block { display: flex; flex-direction: column; align-items: flex-end; text-align: right; gap: 0.15rem; }

.degree { font-size: 1.15rem; font-weight: 700; }
.institution { font-size: 1rem; font-weight: 500; color: var(--text-secondary) !important; }
.location { font-size: 0.95rem; font-weight: 600; }
.date { font-size: 0.9rem; font-weight: 500; color: var(--text-muted) !important; white-space: nowrap; }
.timeline-content .details,
.timeline-bullets li { font-size: 0.9rem; line-height: 1.5; color: var(--text-secondary) !important; }

.timeline-bullets { margin-top: 0.5rem; padding-left: 1.25rem; list-style-type: disc; }
.timeline-bullets li { margin-bottom: 0.4rem; }
.timeline-bullets li:last-child { margin-bottom: 0; }

/* Links */
.title-link {
  text-decoration: none;
  color: #2563eb !important;
  transition: color 0.15s ease-in-out;
}
.title-link:hover {
  color: #3b82f6 !important;
}

/* Honors & Awards (Consolidated) */
.centered-awards-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  width: 100%;
}
.award-centered-item {
  background-color: var(--timeline-box-bg);
  border: 1px solid var(--timeline-box-border);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}
.award-centered-item:nth-child(even) {
  flex-direction: row-reverse;
}
.award-centered-item > .entry-text-pane,
.award-centered-item > .entry-media-pane {
  flex: 1;
  width: 50%;
}
.award-title { font-size: 1.15rem; font-weight: 600; line-height: 1.4; margin-bottom: 0.5rem; }
.award-details, .award-bullets-centered li { font-size: 0.9rem; line-height: 1.5; color: var(--text-secondary) !important; }
.award-bullets-centered { list-style-type: none; padding: 0; margin: 0 auto; max-width: 650px; }
.award-bullets-centered li { margin-bottom: 0.4rem; }
.award-bullets-centered li:last-child { margin-bottom: 0; }

.award-image {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

/* Media / Video Wrappers */
.entry-media-pane { width: 100%; border-radius: 8px; overflow: hidden; }
.video-aspect-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}
.video-aspect-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Projects Split Grid */
.projects-split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: 100%;
}
.project-panel-left, 
.project-panel-right {
  display: flex;
  flex-direction: column;
  height: 100%;
  box-sizing: border-box;
}
.panel-subtitle {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-color); /* Fixed hardcoded dark text bug */
  margin-bottom: 0.6rem;
}
.project-narrative-text,
.project-description-body {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary) !important;
  margin-bottom: 1.25rem;
}

/* Badges */
.badge.tech-badge, 
.badge.bg-secondary {
  background-color: #343a40 !important;
  color: #ffffff !important;
  border: 1px solid #495057;
  border-radius: 0.375rem;
}
[data-bs-theme="light"] .badge.tech-badge,
body.light-mode .badge.tech-badge {
  background-color: #e9ecef !important;
  color: #212529 !important;
  border: 1px solid #ced4da;
}

/* Responsive Breakpoints */
@media (min-width: 768px) {
  .media-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 1.5rem;
    align-items: center;
  }
  .award-centered-item .entry-text-pane { text-align: center; }
  .projects-split-grid { grid-template-columns: 1fr 1.1fr; }
}

@media (max-width: 768px) {
  .award-centered-item,
  .award-centered-item:nth-child(even) {
    flex-direction: column;
  }
  .entry-text-pane, 
  .entry-media-pane {
    width: 100%;
  }
}

@media (max-width: 576px) {
  body { width: 95%; }
  .resume-style-header { flex-direction: column; gap: 0.25rem; }
  .header-right-block { align-items: flex-start; text-align: left; }
}