/* =============================================
   Alice Pierce — Custom Theme
   ============================================= */

:root {
  --pink: #e86fb1;
  --pink-dark: #b5297a;
  --pink-light: #fdf0f7;
  --pink-border: #f0d6e8;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(232, 111, 177, 0.10);
  --shadow-hover: 0 6px 24px rgba(232, 111, 177, 0.20);
  --transition: 0.2s ease;
}

/* ---- Smooth scrolling ---- */
html {
  scroll-behavior: smooth;
}

/* ---- Skip to content (accessibility) ---- */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--pink-dark);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  border-radius: 0 0 var(--radius) 0;
  font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus {
  top: 0;
}

/* ---- Focus rings ---- */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---- Navbar ---- */
.navbar {
  box-shadow: 0 1px 0 var(--pink-border);
}
.navbar-nav .nav-link.active,
.navbar-nav .nav-item.active .nav-link {
  border-bottom: 2px solid var(--pink);
  color: var(--pink-dark) !important;
}
.navbar-nav .nav-link:hover {
  color: var(--pink-dark) !important;
}

/* ---- CTA Buttons ---- */
.cta-button,
a.cta-button {
  display: inline-block;
  background: var(--pink-dark);
  color: #fff !important;
  padding: 0.5rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  margin-top: 0.5rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(181, 41, 122, 0.25);
}
.cta-button:hover,
a.cta-button:hover {
  background: var(--pink);
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(181, 41, 122, 0.30);
  text-decoration: none;
}

/* ---- Card component ---- */
.card-modern {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--pink-border);
  border-left: 4px solid var(--pink);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card-modern:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.card-modern h3,
.card-modern h4 {
  color: var(--pink-dark);
  margin-top: 0;
}

/* ---- Feature cards (home page) ---- */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--pink-border);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.feature-card .card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.feature-card h3 {
  color: var(--pink-dark);
  font-size: 1.1rem;
  margin: 0 0 0.5rem 0;
}
.feature-card p {
  flex: 1;
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 1rem;
}

/* ---- Education cards ---- */
.edu-card {
  background: linear-gradient(135deg, var(--pink-light) 0%, #fff 55%);
  border-radius: var(--radius);
  border: 1px solid var(--pink-border);
  border-top: 4px solid var(--pink);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.edu-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.edu-card .edu-degree {
  font-size: 1rem;
  font-weight: 700;
  color: #222;
  margin: 0 0 0.15rem 0;
}
.edu-card .edu-school {
  color: var(--pink-dark);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
}
.edu-card .edu-detail {
  font-size: 0.875rem;
  color: #555;
  margin: 0.15rem 0 0 0;
}

/* ---- CV section cards ---- */
.cv-section {
  margin-bottom: 2.5rem;
}
.pub-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--pink-border);
  border-left: 4px solid var(--pink);
  box-shadow: var(--shadow);
  padding: 0.75rem 1rem;
  margin-bottom: 0.6rem;
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.15rem 0.6rem;
}
.pub-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.pub-card .pub-title {
  font-weight: 700;
  color: #222;
  margin: 0;
  font-size: 0.95rem;
  flex-basis: 100%;
}
.pub-card .pub-authors {
  font-size: 0.85rem;
  color: #555;
  margin: 0;
}
.pub-card .pub-journal {
  font-style: italic;
  font-size: 0.85rem;
  color: #888;
  margin: 0;
}
.pub-card .pub-journal::before {
  content: "·";
  margin-right: 0.6rem;
  color: var(--pink);
}
.pub-card .doi-link {
  display: inline-block;
  background: var(--pink-light);
  color: var(--pink-dark);
  border: 1px solid var(--pink-border);
  padding: 0.15rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition);
  margin-left: auto;
}
.pub-card .doi-link:hover {
  background: var(--pink);
  color: #fff;
}

/* ---- Presentation cards ---- */
.presentations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
}
.pres-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--pink-border);
  border-left: 4px solid var(--pink);
  box-shadow: var(--shadow);
  padding: 0.85rem 1rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.pres-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.pres-card .pres-tag {
  display: inline-block;
  padding: 0.15rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}
.tag-oral       { background: #fce4f3; color: #8b1a5c; }
.tag-poster     { background: #e8e4fc; color: #3d2a8b; }
.tag-workshop   { background: #e4f5e8; color: #1a6b35; }
.tag-both       { background: #fde8d8; color: #7a3010; }
.pres-card .pres-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #222;
  margin: 0 0 0.2rem 0;
}
.pres-card .pres-venue {
  font-size: 0.82rem;
  color: #666;
  margin: 0;
}

/* ---- Awards grid ---- */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.award-card {
  background: var(--pink-light);
  border: 1px solid var(--pink-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.award-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.award-card .award-name {
  font-weight: 700;
  color: var(--pink-dark);
  font-size: 0.95rem;
  margin: 0 0 0.2rem 0;
}
.award-card .award-detail {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}

/* ---- Section dividers ---- */
.section-divider {
  border: none;
  border-top: 2px solid var(--pink-border);
  margin: 2rem 0;
}

/* ---- Art lightbox grid ---- */
.art-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
@media (max-width: 600px) {
  .art-grid {
    grid-template-columns: 1fr;
  }
}
.art-item {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--pink-border);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
}
.art-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.art-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}
.art-item:hover img {
  transform: scale(1.04);
}
.art-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(181, 41, 122, 0.75));
  color: #fff;
  text-align: center;
  padding: 0.75rem 0.5rem 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition);
}
.art-item:hover figcaption {
  opacity: 1;
}

/* ---- Lightbox dialog ---- */
#lightbox {
  background: rgba(0, 0, 0, 0.88);
  border: none;
  border-radius: 0;
  max-width: 100vw;
  max-height: 100vh;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 9999;
}
#lightbox[open] {
  display: flex;
}
#lightbox::backdrop {
  background: transparent;
}
#lightbox img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
#lightbox figcaption {
  color: #fff;
  font-size: 1rem;
  margin-top: 1rem;
  font-weight: 600;
}
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: color var(--transition);
}
.lightbox-close:hover {
  color: var(--pink);
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background var(--transition);
}
.lightbox-nav:hover {
  background: rgba(232, 111, 177, 0.5);
}
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* ---- Explore / interactive app button ---- */
.explore-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--pink) 0%, var(--pink-dark) 100%);
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.65rem 1.35rem;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 3px 12px rgba(181, 41, 122, 0.25);
  margin-top: 1rem;
}
.explore-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(181, 41, 122, 0.35);
  color: #fff;
  text-decoration: none;
}
.explore-btn .btn-icon {
  font-size: 1.1rem;
}

/* ---- Shiny app embed page ---- */
.shiny-embed-wrap {
  width: 100%;
  margin: 1rem 0;
  padding: 0 1rem;
  box-sizing: border-box;
}
.shiny-embed-wrap iframe {
  width: 100%;
  height: 85vh;
  min-height: 620px;
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.shiny-placeholder {
  background: var(--pink-light);
  border: 2px dashed var(--pink-border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  color: #888;
}

/* ---- R Package card ---- */
.pkg-card {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: linear-gradient(135deg, var(--pink-light) 0%, #fff 60%);
  border: 1px solid var(--pink-border);
  border-left: 5px solid var(--pink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem 2rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.pkg-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.pkg-logo-link {
  flex-shrink: 0;
}
.pkg-logo {
  width: 200px;
  height: auto;
  border-radius: 12px;
  display: block;
  transition: transform var(--transition);
}
.pkg-logo:hover {
  transform: scale(1.05);
}
.pkg-info {
  flex: 1;
}
.pkg-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: #222;
  margin: 0 0 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.pkg-badge {
  background: var(--pink);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.pkg-desc {
  font-size: 0.92rem;
  color: #555;
  margin: 0 0 1rem 0;
  line-height: 1.6;
}

/* ---- Contact page ---- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: #fff;
  border: 1px solid var(--pink-border);
  border-top: 4px solid var(--pink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem 1.25rem 1.5rem;
  text-decoration: none;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  color: inherit;
}
.contact-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-top-color: var(--pink-dark);
  text-decoration: none;
  color: inherit;
}
.contact-icon {
  font-size: 2rem;
  margin-bottom: 0.6rem;
  line-height: 1;
}
.contact-platform {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--pink-dark);
  margin-bottom: 0.3rem;
}
.contact-handle {
  font-size: 0.82rem;
  color: #777;
  word-break: break-all;
}

/* ---- Responsive tweaks ---- */
/* ---- Resource stack (horizontal stacked cards) ---- */
.resource-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}
.resource-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: #fff;
  border: 1px solid var(--pink-border);
  border-left: 4px solid var(--pink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.resource-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.resource-item .res-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 8px;
}
.resource-item .res-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  width: 2.5rem;
  text-align: center;
}
.resource-item .res-info {
  flex: 1;
  min-width: 0;
}
.resource-item .res-title {
  font-weight: 700;
  font-size: 0.97rem;
  color: #222;
  margin: 0 0 0.2rem 0;
}
.resource-item .res-desc {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}
.resource-item .res-action {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .feature-cards {
    grid-template-columns: 1fr;
  }
  .awards-grid {
    grid-template-columns: 1fr;
  }
  .art-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pkg-card {
    flex-direction: column;
    text-align: center;
  }
  .pkg-name {
    justify-content: center;
  }
  .resource-item {
    flex-wrap: wrap;
  }
  .resource-item .res-action {
    width: 100%;
  }
}