@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;900&display=swap');

/* ── Palette: Nathan Catania style ── */
:root {
  --primary-gradient: linear-gradient(to right, #4a30cc, #1a96cc, #86d9a8);
  --border-color: #dcdcdc;
  --header-color: #1E2129;
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color: #0a3d8f;
  --border-color: #dcdcdc;
  --primary-gradient: linear-gradient(to right, #0a2463, #0a3d8f, #1a96cc);
  --header-color: #0a1628;
  --card-bg: #f8f9fa;
  --card-border: #e5e7eb;
  --text-dim: #6b7280;
  --accent-light: #eef6ff;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color: #000;
  --md-code-bg-color: #1E2129;
  --border-color: #4a4b50;
  --primary-gradient: linear-gradient(to right, #5b8def, #79adff, #6dd5ed);
  --header-color: #0a1628;
  --md-primary-fg-color: #79adff;
  --card-bg: #111318;
  --card-border: #2a2d35;
  --text-dim: #8892a4;
  --accent-light: #111830;
}

/* ── Header ── */
.md-header {
  background-color: var(--header-color);
  padding: 0.5rem 0;
  font-family: 'Poppins', sans-serif;
}

.md-header[data-md-state="shadow"],
.md-header--shadow {
  box-shadow: none !important;
}

.md-tabs {
  border-bottom: none !important;
  box-shadow: none !important;
  font-family: 'Poppins', sans-serif;
  padding: 0;
  background-color: var(--header-color) !important;
  border-top: none !important;
  outline: none !important;
}

.md-container {
  border-top: none !important;
  box-shadow: none !important;
}

/* ── Footer ── */
.md-footer {
}

/* ── Hide Logo ── */
.md-header__button.md-logo {
  display: none;
}

/* ── Tabs ── */
.md-tabs__link {
  font-weight: 700 !important;
  font-size: 0.7rem !important;
  padding-top: 0.2rem !important;
  padding-bottom: 0.2rem !important;
}

/* ── Gradient Headings ── */
h1, h2 {
  font-weight: 900 !important;
  background-clip: text !important;
  -webkit-background-clip: text !important;
  color: transparent !important;
  background-size: cover !important;
  background-image: var(--primary-gradient) !important;
  font-size: 2rem !important;
}

h1 {
  font-size: 2.2rem !important;
}


h3, h4 {
  font-weight: 700 !important;
  background-clip: text !important;
  -webkit-background-clip: text !important;
  color: transparent !important;
  background-size: cover !important;
  background-image: var(--primary-gradient) !important;
}

/* ── Hero ── */
.hero {
  padding: 2.5rem 2rem;
  margin: -0.6rem -0.6rem 2rem -0.6rem;
  background: var(--card-bg);
  border-bottom: 1px dashed var(--border-color);
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.hero-avatar img {
  width: 250px !important;
  height: 250px !important;
  min-width: 250px;
  border-radius: 50% !important;
  object-fit: cover;
  border: none;
  aspect-ratio: 1 / 1;
}

.hero-text h1 {
  margin: 0 0 0.3rem 0;
  font-size: 2rem;
  background: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  color: var(--md-default-fg-color) !important;
}

.hero-text .role {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: 0 0 0.8rem 0;
  font-weight: 400;
  line-height: 1.5;
}

.hero-text .org {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin: 0 0 1rem 0;
}

.hero-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.hero-links a,
.hero-links a.hero-link {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--md-primary-fg-color);
  border-radius: 4px;
  color: var(--md-primary-fg-color) !important;
  text-decoration: none !important;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.hero-links a:hover {
  background: var(--md-primary-fg-color);
  color: #fff !important;
}

/* ── Dashed Separators ── */
.md-typeset hr,
.hr-dashed {
  border: none;
  border-bottom: 1px dashed var(--border-color);
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.3rem 1.4rem;
  transition: all 0.2s ease;
}

.card:hover {
  border-color: var(--md-primary-fg-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.card-icon {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  display: block;
}

.card h3 {
  margin: 0 0 0.4rem 0;
  font-size: 1rem;
}

.card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ── Stats ── */
.stats {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
  margin: 1.5rem 0;
}

.stat {
  padding: 0.4rem 1rem;
  border: 1px solid var(--card-border);
  border-radius: 6px;
  background: var(--card-bg);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
}

.stat-number {
  font-weight: 700;
  color: var(--md-primary-fg-color);
}

/* ── Timeline ── */
.timeline {
  position: relative;
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  border-left: 1px dashed var(--border-color);
}

.timeline-item {
  position: relative;
  padding-bottom: 1.8rem;
  padding-left: 0.5rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.75rem;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--md-primary-fg-color);
}

.timeline-item h3 {
  margin: 0 0 0.1rem 0;
  font-size: 1rem;
}

.timeline-item .meta {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
}

.timeline-item .meta .dates {
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

/* ── Education ── */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.edu-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  border-left: 3px solid var(--md-primary-fg-color);
}

.edu-card h3 { margin: 0 0 0.2rem 0; font-size: 1rem; }
.edu-card .school { color: var(--md-primary-fg-color); font-weight: 500; font-size: 0.88rem; }
.edu-card .year { color: var(--text-dim); font-size: 0.82rem; }
.edu-card .details { margin-top: 0.4rem; font-size: 0.82rem; color: var(--text-dim); line-height: 1.5; }

/* ── Publications ── */
.pub-item {
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--border-color);
}

.pub-item:last-child { border-bottom: none; }
.pub-item .pub-title { font-weight: 600; font-size: 0.9rem; }
.pub-item .pub-journal { color: var(--md-primary-fg-color); font-size: 0.82rem; font-style: italic; }
.pub-item .pub-authors { color: var(--text-dim); font-size: 0.8rem; }

/* ── Skill Tags ── */
.skill-section { margin-bottom: 1.5rem; }

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0 1rem 0;
}

.skill-tag {
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--md-primary-fg-color);
  border: 1px solid var(--card-border);
  background: var(--accent-light);
}

/* ── Interest Tags ── */
.interest-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.interest-tag {
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  border: 1px solid var(--card-border);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--card-bg);
}

/* ── Talk List ── */
.talk-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 1rem 0;
}

.talk-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1rem 1.4rem;
  transition: all 0.2s ease;
}

.talk-item:hover {
  border-color: var(--md-primary-fg-color);
}

.talk-item strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.talk-item span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ── Talk Cards (unused) ── */
.talk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.talk-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.talk-card:hover {
  border-color: var(--md-primary-fg-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.talk-card h3 {
  margin: 0.5rem 0 0.4rem 0;
  font-size: 0.9rem;
  line-height: 1.4;
}

.talk-card p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  flex-grow: 1;
}

.talk-card .talk-date {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
}

.talk-type {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  width: fit-content;
}

.talk-type.invited {
  background: #e0f2fe;
  color: #0369a1;
}

.talk-type.oral {
  background: #e0e7ff;
  color: #4338ca;
}

.talk-type.poster {
  background: #fef3c7;
  color: #92400e;
}

.talk-type.tutorial {
  background: #d1fae5;
  color: #065f46;
}

[data-md-color-scheme="slate"] .talk-type.invited {
  background: #0c2d48;
  color: #7dd3fc;
}

[data-md-color-scheme="slate"] .talk-type.oral {
  background: #1e1b4b;
  color: #a5b4fc;
}

[data-md-color-scheme="slate"] .talk-type.poster {
  background: #422006;
  color: #fcd34d;
}

[data-md-color-scheme="slate"] .talk-type.tutorial {
  background: #052e16;
  color: #6ee7b7;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-inner { flex-direction: column; text-align: center; }
  .hero-avatar img { width: 140px; height: 140px; }
  .hero-text h1 { font-size: 1.6rem; }
  .hero-links { justify-content: center; }
  .card-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .stats { justify-content: center; }
}