.tools-page {
  background:
    radial-gradient(circle at top left, rgba(20, 153, 255, 0.08), transparent 28%),
    linear-gradient(180deg, #eef6ff 0%, #f7fbff 100%);
}

.tools-page-shell {
  padding-top: clamp(2.2rem, 5vw, 3.6rem);
}

.tools-page-frame {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 1.2rem;
  align-items: start;
}

.tools-sidebar {
  position: sticky;
  top: 92px;
  overflow: hidden;
  border-radius: 24px;
  color: #e8f9ff;
  background:
    linear-gradient(180deg, rgba(0, 213, 255, 0.06), transparent 31%),
    linear-gradient(180deg, #021529 0%, #010d1b 100%);
  border: 1px solid rgba(0, 229, 255, 0.3);
  box-shadow: inset -11px 0 22px rgba(0, 198, 255, 0.12), 0 18px 44px rgba(7, 22, 41, 0.22);
}

.tools-sidebar-brand {
  display: flex;
  align-items: center;
  min-height: 76px;
  padding: 0 1.15rem;
}

.tools-brand-main {
  font: 800 1.22rem/1 "Inter", "Segoe UI", sans-serif;
  letter-spacing: -0.03em;
  text-shadow: 0 0 14px rgba(0, 213, 255, 0.4);
}

.tools-brand-x {
  margin-left: 1px;
  color: #00d5ff;
  font: 900 1.34rem/1 "Inter", "Segoe UI", sans-serif;
  text-shadow: 0 0 14px rgba(0, 213, 255, 0.8);
}

.tools-sidebar-block,
.tools-sidebar-promo {
  margin: 0 0.8rem 0.85rem;
  padding: 0.95rem;
  border-radius: 16px;
  border: 1px solid rgba(110, 223, 255, 0.16);
  background: rgba(255, 255, 255, 0.03);
}

.tools-sidebar-block strong,
.tools-sidebar-promo strong {
  display: block;
  font-family: "Inter", "Segoe UI", sans-serif;
}

.tools-sidebar-block p,
.tools-sidebar-promo p {
  margin-top: 0.5rem;
  color: rgba(216, 237, 255, 0.74);
  font-size: 0.86rem;
}

.tools-sidebar-label {
  margin: 0;
  color: #6fe9ff;
  font: 600 0.72rem/1 "IBM Plex Mono", monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.tools-stat-stack {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.tools-stat-card {
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  background: rgba(5, 46, 85, 0.88);
  border: 1px solid rgba(0, 213, 255, 0.2);
}

.tools-stat-card span {
  display: block;
  color: #f3fdff;
  font: 800 1.25rem/1 "Inter", "Segoe UI", sans-serif;
}

.tools-stat-card small {
  display: block;
  margin-top: 0.3rem;
  color: rgba(216, 237, 255, 0.7);
  font-size: 0.78rem;
  font-weight: 700;
}

.tools-sidebar-nav {
  display: grid;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

.tools-sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 40px;
  padding: 0.72rem 0.85rem;
  border-radius: 12px;
  color: #d8edff;
  background: rgba(255, 255, 255, 0.02);
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
  border: 1px solid transparent;
}

.tools-sidebar-link:hover,
.tools-sidebar-link:focus-visible {
  transform: translateX(1px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 213, 255, 0.36);
}

.tools-sidebar-link.active {
  background: linear-gradient(90deg, rgba(0, 192, 255, 0.32), rgba(4, 71, 125, 0.82));
  border-color: rgba(0, 213, 255, 0.75);
  box-shadow: 0 0 15px rgba(0, 213, 255, 0.2), inset 0 0 14px rgba(0, 213, 255, 0.14);
}

.tools-sidebar-link span:first-child {
  min-width: 0;
  font-size: 0.82rem;
  font-weight: 700;
}

.tools-sidebar-link span:last-child {
  flex: 0 0 auto;
  color: rgba(232, 249, 255, 0.78);
  font: 600 0.73rem/1 "IBM Plex Mono", monospace;
}

.tools-sidebar-empty {
  color: rgba(216, 237, 255, 0.72);
  font-size: 0.84rem;
}

.tools-sidebar-promo {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  padding-top: 108px;
  background:
    radial-gradient(circle at 52% 23%, rgba(42, 183, 255, 0.7) 0 2px, transparent 3px),
    radial-gradient(circle at 39% 36%, rgba(114, 223, 255, 0.7) 0 2px, transparent 3px),
    radial-gradient(circle at 61% 42%, rgba(70, 110, 255, 0.65) 0 2px, transparent 3px),
    linear-gradient(180deg, #052e55, #031326);
}

.tools-promo-art {
  position: absolute;
  inset: 10px 10px auto;
  height: 86px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 30% 40%, rgba(0, 220, 255, 0.85) 0 3px, transparent 4px),
    radial-gradient(circle at 44% 29%, rgba(56, 155, 255, 0.95) 0 3px, transparent 4px),
    radial-gradient(circle at 58% 50%, rgba(95, 92, 255, 0.85) 0 4px, transparent 5px),
    radial-gradient(circle at 66% 35%, rgba(0, 221, 255, 0.7) 0 2px, transparent 3px);
  filter: drop-shadow(0 0 10px rgba(0, 213, 255, 0.65));
}

.tools-promo-art::before,
.tools-promo-art::after {
  content: "";
  position: absolute;
  inset: 12px 18px;
  border: 1px solid rgba(98, 226, 255, 0.45);
  border-radius: 48% 52% 44% 56%;
  transform: rotate(-28deg);
}

.tools-promo-art::after {
  inset: 21px 28px 17px 8px;
  transform: rotate(31deg);
}

.tools-sidebar-promo a {
  display: inline-flex;
  margin-top: 0.8rem;
  color: #00d5ff;
  text-decoration: none;
  font-weight: 800;
}

.tools-main-area {
  min-width: 0;
}

.tools-page-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tools-page-hero h1 {
  margin: 0.35rem 0 0.7rem;
  color: #143f72;
  font: 900 clamp(2rem, 4vw, 3rem)/1.03 "Inter", "Segoe UI", sans-serif;
  letter-spacing: -0.04em;
}

.tools-page-copy {
  max-width: 72ch;
  color: #4f7298;
}

.tools-page-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.tools-page-pill {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 0.9rem;
  border-radius: 999px;
  border: 1px solid #cdeaff;
  background: rgba(255, 255, 255, 0.9);
  color: #2488ea;
  font: 800 0.78rem/1 "IBM Plex Mono", monospace;
}

.tools-featured-strip {
  display: grid;
  grid-template-columns: minmax(220px, 0.95fr) minmax(0, 1.8fr);
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(218, 233, 249, 0.95);
  box-shadow: 0 18px 34px rgba(21, 88, 154, 0.08);
}

.tools-featured-copy h2 {
  margin: 0 0 0.5rem;
  color: #143f72;
  font: 800 1.3rem/1.08 "Inter", "Segoe UI", sans-serif;
}

.tools-featured-copy p:not(.eyebrow) {
  color: #4f7298;
}

.tools-featured-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.tools-featured-card {
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 247, 255, 0.86));
  border: 1px solid #d8edff;
  box-shadow: 0 10px 22px rgba(19, 65, 116, 0.1);
}

.tools-featured-card span,
.tools-featured-card em {
  color: #4f7298;
  font-size: 0.73rem;
  font-style: normal;
}

.tools-featured-card strong {
  color: #143f72;
  font: 800 0.95rem/1.18 "Inter", "Segoe UI", sans-serif;
}

.tools-catalog-screen {
  position: relative;
  overflow: hidden;
  padding: 1.15rem;
  border-radius: 28px;
  background:
    linear-gradient(90deg, rgba(248, 252, 255, 0.84) 0 34%, rgba(232, 246, 255, 0.62) 58%, rgba(1, 27, 58, 0.1) 100%),
    url("bio-molecular-bg.png") center center / cover no-repeat,
    #eaf4ff;
  border: 1px solid rgba(218, 233, 249, 0.95);
  box-shadow: 0 16px 36px rgba(19, 65, 116, 0.12);
}

.tools-catalog-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 0 40%, transparent 72%),
    radial-gradient(ellipse at 55% 52%, rgba(234, 247, 255, 0.4), transparent 29%);
  opacity: 0.8;
}

.tools-catalog-screen::after {
  content: "";
  position: absolute;
  right: -26px;
  top: -52px;
  width: 420px;
  height: 250px;
  pointer-events: none;
  background:
    repeating-linear-gradient(111deg, transparent 0 19px, rgba(98, 221, 255, 0.55) 20px 22px, transparent 23px 43px),
    repeating-linear-gradient(73deg, transparent 0 25px, rgba(80, 172, 255, 0.55) 26px 28px, transparent 29px 55px);
  border-radius: 50%;
  transform: rotate(-17deg);
  opacity: 0.72;
  filter: drop-shadow(0 0 8px rgba(0, 213, 255, 0.75));
}

.tools-molecule-backdrop {
  position: absolute;
  left: 320px;
  top: 210px;
  width: 360px;
  height: 210px;
  opacity: 0.16;
  pointer-events: none;
  background:
    radial-gradient(circle at 17% 58%, rgba(0, 155, 255, 0.95) 0 3px, transparent 4px),
    radial-gradient(circle at 29% 40%, rgba(53, 170, 255, 0.9) 0 4px, transparent 5px),
    radial-gradient(circle at 43% 55%, rgba(0, 206, 255, 0.75) 0 3px, transparent 4px),
    radial-gradient(circle at 60% 42%, rgba(96, 128, 255, 0.75) 0 5px, transparent 6px),
    radial-gradient(circle at 74% 52%, rgba(123, 83, 255, 0.7) 0 5px, transparent 6px),
    linear-gradient(15deg, transparent 0 48%, rgba(0, 155, 255, 0.2) 49% 51%, transparent 52%),
    linear-gradient(-16deg, transparent 0 44%, rgba(98, 221, 255, 0.28) 45% 47%, transparent 48%);
  filter: blur(0.2px) drop-shadow(0 0 16px rgba(0, 165, 255, 0.55));
}

.tools-topbar,
.tools-content-layout,
.tools-catalog-content,
.tools-detail-panel {
  position: relative;
  z-index: 1;
}

.tools-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tools-search-wrap {
  position: relative;
  display: block;
  width: min(100%, 420px);
}

.tools-search-wrap input {
  width: 100%;
  height: 46px;
  color: #21476f;
  background: rgba(255, 255, 255, 0.93);
  border: 1px solid rgba(220, 235, 250, 0.95);
  border-radius: 14px;
  padding: 0 46px 0 48px;
  font: 700 0.92rem/1.2 "Inter", "Segoe UI", sans-serif;
  box-shadow: 0 6px 16px rgba(31, 91, 148, 0.1);
}

.tools-search-wrap input::placeholder {
  color: #89a4c2;
}

.tools-search-wrap input:focus {
  outline: none;
  border-color: rgba(20, 153, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(20, 153, 255, 0.12), 0 6px 16px rgba(31, 91, 148, 0.1);
}

.tools-search-icon,
.tools-search-clear {
  position: absolute;
  top: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
}

.tools-search-icon {
  left: 16px;
  color: #1499ff;
  pointer-events: none;
}

.tools-search-icon svg,
.tools-search-clear svg {
  width: 18px;
  height: 18px;
}

.tools-search-clear {
  right: 12px;
  padding: 0;
  color: #7d98b7;
  background: transparent;
  border: 0;
  border-radius: 50%;
}

.tools-search-clear:hover,
.tools-search-clear:focus-visible {
  background: #eef6ff;
}

.tools-topbar-meta {
  color: #315d89;
  font: 700 0.84rem/1.3 "IBM Plex Mono", monospace;
}

.tools-content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.72fr);
  gap: 1rem;
  align-items: start;
}

.tools-catalog-content {
  min-width: 0;
}

.tools-search-result-line {
  margin: 0 0 0.9rem;
  color: #315d89;
  font-size: 0.88rem;
  font-weight: 700;
}

.tools-search-result-line strong {
  color: #0c4e91;
}

.tools-category-section + .tools-category-section {
  margin-top: 1.05rem;
}

.tools-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.7rem;
  padding-right: 0.2rem;
}

.tools-category-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.tools-category-icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #2589ff;
  background: rgba(255, 255, 255, 0.72);
  border-radius: 12px;
  border: 1px solid #d8edff;
  box-shadow: 0 6px 16px rgba(31, 91, 148, 0.08);
}

.tools-category-icon svg {
  width: 20px;
  height: 20px;
}

.tools-category-label {
  color: #174a86;
  font: 900 0.84rem/1 "IBM Plex Mono", monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tools-category-count {
  color: #3b87ce;
  font: 800 0.82rem/1 "IBM Plex Mono", monospace;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.tools-card {
  display: flex;
  gap: 0.9rem;
  min-height: 160px;
  padding: 1rem;
  cursor: pointer;
  text-align: left;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(218, 233, 249, 0.95);
  border-radius: 20px;
  box-shadow: 0 10px 26px rgba(19, 65, 116, 0.12), 0 2px 6px rgba(24, 61, 103, 0.08);
  backdrop-filter: blur(7px);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.12s ease;
}

.tools-card:hover,
.tools-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(20, 153, 255, 0.36);
  box-shadow: 0 16px 30px rgba(21, 88, 154, 0.14), 0 4px 10px rgba(24, 61, 103, 0.12);
}

.tools-card.is-selected {
  border-color: rgba(20, 153, 255, 0.54);
  box-shadow: 0 0 0 3px rgba(20, 153, 255, 0.12), 0 16px 30px rgba(21, 88, 154, 0.14);
}

.tools-card-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1499ff;
  background: #eff8ff;
  border: 1px solid #cdeaff;
  border-radius: 14px;
}

.tools-card-icon svg {
  width: 24px;
  height: 24px;
}

.tools-card-body {
  min-width: 0;
  flex: 1;
  display: grid;
  align-content: start;
}

.tools-card-body h3 {
  margin: 0 0 0.32rem;
  color: #143f72;
  font: 900 1rem/1.14 "Inter", "Segoe UI", sans-serif;
  overflow-wrap: anywhere;
}

.tools-card-id {
  color: #2488ea;
  font: 700 0.72rem/1 "IBM Plex Mono", monospace;
}

.tools-card-body p {
  margin: 0.55rem 0 0;
  color: #4f7298;
  font-size: 0.83rem;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tools-card-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.tools-tag-row {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tools-tag {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 24px;
  padding: 0 0.65rem;
  color: #2488ea;
  background: #eef7ff;
  border: 1px solid #d8edff;
  border-radius: 999px;
  font-size: 0.71rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tools-tag.is-actionable {
  cursor: pointer;
}

.tools-tag.is-actionable:hover,
.tools-tag.is-actionable:focus-visible {
  color: #006fcf;
  background: #e5f3ff;
}

.tools-badge {
  flex: 0 0 auto;
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 0.75rem;
  border-radius: 999px;
  font: 800 0.72rem/1 "IBM Plex Mono", monospace;
  white-space: nowrap;
}

.tools-badge-gpu {
  color: #067647;
  background: #edfff8;
  border: 1px solid #bbf7d0;
}

.tools-badge-cpu {
  color: #0c4e91;
  background: #eef7ff;
  border: 1px solid #cdeaff;
}

.tools-detail-panel {
  position: sticky;
  top: 104px;
  align-self: start;
  max-height: calc(100vh - 126px);
  overflow: auto;
  padding: 1.1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(218, 233, 249, 0.95);
  box-shadow: 0 12px 26px rgba(19, 65, 116, 0.12);
}

.tools-detail-panel h2 {
  margin: 0.35rem 0 0.65rem;
  color: #143f72;
  font: 900 1.4rem/1.08 "Inter", "Segoe UI", sans-serif;
}

.tools-detail-panel p {
  color: #4f7298;
}

.tools-detail-meta {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.tools-detail-block {
  padding: 0.9rem;
  border-radius: 16px;
  background: #f8fbff;
  border: 1px solid #d8edff;
}

.tools-detail-block strong {
  display: block;
  margin-bottom: 0.4rem;
  color: #143f72;
  font-size: 0.82rem;
}

.tools-detail-block p {
  margin: 0;
  line-height: 1.55;
}

.tools-detail-block code {
  background: #eef6ff;
}

.tools-detail-block-wide {
  grid-column: 1 / -1;
}

.tools-detail-path {
  display: grid;
  gap: 0.2rem;
  margin-top: 0.9rem;
  color: #315d89;
  font: 700 0.76rem/1.5 "IBM Plex Mono", monospace;
  overflow-wrap: anywhere;
}

.tools-empty-state {
  width: min(100%, 420px);
  margin-top: 2rem;
  padding: 2rem 1.5rem;
  color: #4f7298;
  text-align: center;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid #dbe9f8;
  border-radius: 22px;
  box-shadow: 0 10px 26px rgba(19, 65, 116, 0.08);
}

.tools-empty-state strong,
.tools-empty-state span {
  display: block;
}

.tools-empty-state strong {
  margin-bottom: 0.45rem;
  color: #143f72;
}

@media (max-width: 1180px) {
  .tools-page-frame,
  .tools-content-layout,
  .tools-featured-strip {
    grid-template-columns: 1fr;
  }

  .tools-sidebar {
    position: static;
  }

  .tools-detail-panel {
    top: 82px;
    order: -1;
    max-height: calc(100vh - 104px);
  }
}

@media (max-width: 900px) {
  .tools-grid,
  .tools-featured-grid {
    grid-template-columns: 1fr;
  }

  .tools-page-hero,
  .tools-topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .tools-page-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .tools-page-frame {
    gap: 0.9rem;
  }

  .tools-catalog-screen {
    padding: 0.85rem;
    border-radius: 22px;
  }

  .tools-detail-panel {
    top: 12px;
    max-height: none;
  }

  .tools-card {
    min-height: 0;
  }

  .tools-card-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}