/* Biotecnología — laboratorio v2 */

:root {
  --color-primary: #22c55e;
  --color-accent: #23f0ec;
  --color-secondary: #10b981;
  --lab-bg: #0a0b0d;
  --lab-card: linear-gradient(145deg, rgba(30, 32, 36, 0.95), rgba(35, 39, 43, 0.95));
  --lab-border: rgba(255, 255, 255, 0.1);
  --lab-text: #e4e8ef;
  --lab-muted: #9aa3b2;
  --lab-radius: 16px;
  --lab-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

body.bio-lab {
  margin: 0;
  min-height: 100vh;
  background: var(--lab-bg);
  background-image:
    radial-gradient(at 15% 20%, rgba(34, 197, 94, 0.09) 0px, transparent 45%),
    radial-gradient(at 85% 75%, rgba(35, 240, 236, 0.06) 0px, transparent 45%);
  background-attachment: fixed;
  color: var(--lab-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

/* Hero styles moved to ../css/section-hero.css */

/* Hub sections */
.bio-hub {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.bio-viz-section {
  margin-bottom: 48px;
  padding: 28px;
  background: var(--lab-card);
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius);
}

.bio-section-head {
  margin-bottom: 24px;
}

.bio-section-head--row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: flex-end;
}

.bio-section-head--row .bio-section-title::after {
  margin-left: 0;
  margin-right: auto;
}

.bio-section-title {
  margin: 0 0 8px;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.bio-section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  margin: 12px auto 0;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

.bio-section-desc {
  margin: 0;
  font-size: 14px;
  color: var(--lab-muted);
  line-height: 1.55;
}

/* Filter chips */
.bio-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.bio-chip {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--lab-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--lab-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--lab-transition);
}

.bio-chip:hover {
  border-color: var(--chip-color, var(--color-primary));
  color: #fff;
}

.bio-chip.active {
  border-color: var(--chip-color, var(--color-primary));
  background: color-mix(in srgb, var(--chip-color, var(--color-primary)) 15%, transparent);
  color: #fff;
}

.bio-chip[data-area="all"].active {
  border-color: var(--color-accent);
  background: rgba(35, 240, 236, 0.1);
  color: var(--color-accent);
}

/* Area map cards */
.bio-areas-map {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.bio-area-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 22px 20px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--lab-border);
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  transition: all var(--lab-transition);
  position: relative;
  overflow: hidden;
}

.bio-area-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--area-color);
  opacity: 0.6;
  transition: opacity var(--lab-transition);
}

.bio-area-card:hover,
.bio-area-card.active {
  transform: translateY(-4px);
  border-color: var(--area-color);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.bio-area-card.active {
  background: color-mix(in srgb, var(--area-color) 8%, rgba(0, 0, 0, 0.3));
}

.bio-area-card.active::before { opacity: 1; }

.bio-area-card__icon {
  font-size: 1.75rem;
  margin-bottom: 10px;
  line-height: 1;
}

.bio-area-card__count {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--area-color);
  line-height: 1;
  margin-bottom: 6px;
}

.bio-area-card__title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 6px;
}

.bio-area-card__desc {
  font-size: 12px;
  color: var(--lab-muted);
  line-height: 1.45;
}

/* Search */
.catalog-search-wrap {
  flex: 1;
  min-width: min(100%, 280px);
  max-width: 320px;
}

.catalog-search {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--lab-border);
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color var(--lab-transition), box-shadow var(--lab-transition);
}

.catalog-search::placeholder { color: #6b7280; }

.catalog-search:focus {
  border-color: rgba(34, 197, 94, 0.5);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.12);
}

/* Catalog layout */
.catalog-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  align-items: start;
}

.catalog-sidebar {
  position: sticky;
  top: 20px;
  padding: 18px 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--lab-border);
  border-radius: 14px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}

.catalog-sidebar-title {
  margin: 0 0 12px;
  padding: 0 8px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--lab-muted);
}

.catalog-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.catalog-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--lab-muted);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
  border-left: 3px solid transparent;
  transition: all var(--lab-transition);
}

.catalog-nav-link span { flex: 1; }

.catalog-nav-link small {
  font-size: 11px;
  font-weight: 700;
  color: var(--cat-color, var(--color-primary));
  opacity: 0.8;
}

.catalog-nav-link:hover {
  background: rgba(34, 197, 94, 0.08);
  color: #fff;
  border-left-color: var(--cat-color, var(--color-primary));
}

/* Area blocks */
.bio-area-block {
  margin-bottom: 36px;
  padding: 24px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--lab-border);
  scroll-margin-top: 20px;
}

.bio-area-block .catalog-section-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--lab-border);
}

.bio-area-block__icon {
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
}

.catalog-section-title {
  margin: 0 0 4px;
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}

.catalog-section-desc {
  margin: 0;
  font-size: 13px;
  color: var(--lab-muted);
}

/* Subject cards grid */
.bio-subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.bio-subject-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--lab-border);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  color: inherit;
  transition: all var(--lab-transition);
}

.bio-subject-card:hover {
  border-color: var(--card-color, var(--color-primary));
  background: color-mix(in srgb, var(--card-color, var(--color-primary)) 8%, transparent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.bio-subject-card__icon {
  font-size: 1.25rem;
  opacity: 0.9;
}

.bio-subject-card__name {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

.bio-subject-card__status {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--lab-muted);
  border: 1px solid var(--lab-border);
}

.catalog-empty {
  padding: 40px 24px;
  text-align: center;
  color: var(--lab-muted);
  border: 1px dashed var(--lab-border);
  border-radius: 12px;
  margin-top: 16px;
}

/* Drawer */
.bio-drawer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0.3s;
}

.bio-drawer.open {
  pointer-events: auto;
  visibility: visible;
}

.bio-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.bio-drawer.open .bio-drawer__backdrop { opacity: 1; }

.bio-drawer__panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(420px, 100vw);
  padding: 32px 28px;
  background: var(--lab-card);
  border-left: 1px solid var(--lab-border);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.bio-drawer.open .bio-drawer__panel { transform: translateX(0); }

.bio-drawer__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  transition: background var(--lab-transition);
}

.bio-drawer__close:hover { background: rgba(255, 255, 255, 0.12); }

.bio-drawer__tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: color-mix(in srgb, var(--area-color, var(--color-primary)) 15%, transparent);
  color: var(--area-color, var(--color-primary));
  border: 1px solid color-mix(in srgb, var(--area-color, var(--color-primary)) 35%, transparent);
  margin-bottom: 16px;
}

.bio-drawer__panel h2 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  padding-right: 40px;
}

.bio-drawer__area {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
}

.bio-drawer__panel p {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--lab-muted);
  line-height: 1.65;
}

.bio-drawer__features {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.bio-drawer__features li {
  position: relative;
  padding: 8px 0 8px 20px;
  font-size: 13px;
  color: var(--lab-text);
  border-bottom: 1px solid var(--lab-border);
}

.bio-drawer__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.bio-drawer__slug code {
  font-size: 12px;
  color: var(--lab-muted);
  background: rgba(0, 0, 0, 0.3);
  padding: 4px 8px;
  border-radius: 6px;
}

/* Apuntes */
.bio-apuntes-section {
  background: transparent;
  border: none;
  padding: 0;
}

.bio-apuntes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.bio-apunte-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  border-radius: 14px;
  background: var(--lab-card);
  border: 1px solid var(--lab-border);
  text-decoration: none;
  color: inherit;
  transition: all var(--lab-transition);
}

.bio-apunte-card:hover {
  border-color: rgba(34, 197, 94, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.bio-apunte-session {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.bio-apunte-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
}

.bio-apunte-card time {
  font-size: 12px;
  color: var(--lab-muted);
  margin-top: auto;
}

/* Footer */
.bio-footer {
  padding: 28px 24px;
  text-align: center;
  border-top: 1px solid var(--lab-border);
}

.bio-footer p {
  margin: 0;
  font-size: 13px;
  color: var(--lab-muted);
}

.bio-footer a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
}

.bio-footer a:hover { color: #fff; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .catalog-layout { grid-template-columns: 1fr; }

  .catalog-sidebar {
    position: static;
    max-height: none;
  }

  .catalog-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .catalog-nav-link {
    flex: 1 1 auto;
    min-width: 140px;
  }

  .bio-section-head--row {
    flex-direction: column;
    align-items: stretch;
  }

  .catalog-search-wrap { max-width: none; }

  .bio-drawer__panel {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--lab-border);
    top: auto;
    height: 85vh;
    border-radius: 20px 20px 0 0;
    transform: translateY(100%);
  }

  .bio-drawer.open .bio-drawer__panel { transform: translateY(0); }
}

@media (max-width: 480px) {
  .bio-viz-section { padding: 20px 16px; }
  .bio-areas-map { grid-template-columns: 1fr 1fr; }
  .bio-subjects-grid { grid-template-columns: 1fr; }
}