:root {
  --ts-bg: #f8fbfc;
  --ts-surface: rgba(255, 255, 255, 0.9);
  --ts-surface-solid: #ffffff;
  --ts-text: #263238;
  --ts-muted: #607d8b;
  --ts-border: rgba(38, 50, 56, 0.12);
  --ts-shadow: 0 8px 24px rgba(38, 50, 56, 0.12);
  --ts-shadow-lg: 0 16px 40px rgba(38, 50, 56, 0.16);
  --ts-accent: #3498db;
  --ts-accent-2: #27ae60;
  --ts-ring: rgba(52, 152, 219, 0.3);
  --ts-radius: 16px;
}

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

.tools-services-header {
  padding: 4rem 0 2rem;
  text-align: center;
  border-bottom: 1px solid var(--ts-border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.7)),
    radial-gradient(1000px 400px at 50% 0%, rgba(37, 99, 235, 0.15), transparent 55%);
}

.tools-services-header .page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ts-text);
  margin-bottom: 0.75rem;
}

.tools-services-header .page-description {
  font-size: 1.05rem;
  color: var(--ts-muted);
  max-width: 70ch;
  margin: 0 auto;
}

.tools-services-section {
  padding: 2rem 0 3rem;
}

.tools-services-layout {
  display: grid;
  grid-template-columns: minmax(220px, 20%) minmax(0, 80%);
  gap: 1.25rem;
  align-items: start;
}

.filters-column {
  position: sticky;
  top: 6.75rem;
}

.filters-panel {
  background: var(--ts-surface);
  border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius);
  box-shadow: var(--ts-shadow);
  padding: 1rem;
  display: grid;
  gap: 0.95rem;
}

.filter-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ts-text);
}

.filter-group {
  display: grid;
  gap: 0.45rem;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ts-muted);
}

.search-input,
.filter-select {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--ts-border);
  border-radius: 12px;
  background: var(--ts-surface-solid);
  color: var(--ts-text);
  font-size: 0.95rem;
}

.search-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--ts-accent);
  box-shadow: 0 0 0 4px var(--ts-ring);
}

.clear-filters {
  border: 1px solid rgba(37, 99, 235, 0.25);
  background: rgba(37, 99, 235, 0.08);
  color: rgba(37, 99, 235, 0.95);
  border-radius: 12px;
  padding: 0.6rem 0.85rem;
  font-weight: 700;
  cursor: pointer;
}

.clear-filters:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.content-column {
  min-width: 0;
}

.results-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.results-count {
  color: var(--ts-muted);
  font-size: 0.92rem;
}

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

.item-card {
  background: var(--ts-surface);
  border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius);
  box-shadow: var(--ts-shadow);
  padding: 1rem;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.item-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ts-shadow-lg);
  border-color: rgba(37, 99, 235, 0.26);
}

.item-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.7rem;
}

.item-chip {
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid transparent;
}

.chip-type-project {
  background: rgba(37, 99, 235, 0.1);
  color: #1d4ed8;
  border-color: rgba(37, 99, 235, 0.25);
}

.chip-type-service {
  background: rgba(39, 174, 96, 0.12);
  color: #15803d;
  border-color: rgba(39, 174, 96, 0.28);
}

.chip-category {
  background: rgba(15, 23, 42, 0.05);
  color: rgba(55, 65, 81, 0.9);
  border-color: rgba(15, 23, 42, 0.12);
}

.item-name {
  margin-bottom: 0.55rem;
  font-size: 1.05rem;
  font-weight: 750;
  color: var(--ts-text);
}

.item-description {
  color: rgba(55, 65, 81, 0.9);
  font-size: 0.94rem;
  line-height: 1.55;
  margin-bottom: 0.85rem;
}

.item-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
  color: var(--ts-accent);
  border: 1px solid rgba(52, 152, 219, 0.25);
  background: rgba(52, 152, 219, 0.08);
  border-radius: 10px;
  padding: 0.5rem 0.75rem;
}

.item-link:hover {
  border-color: rgba(52, 152, 219, 0.35);
  background: rgba(52, 152, 219, 0.14);
}

.no-results {
  margin-top: 1rem;
  border: 1px dashed var(--ts-border);
  border-radius: var(--ts-radius);
  padding: 1.5rem;
  text-align: center;
  color: var(--ts-muted);
  background: rgba(255, 255, 255, 0.65);
}

@media (max-width: 980px) {
  .tools-services-layout {
    grid-template-columns: 1fr;
  }

  .filters-column {
    position: static;
  }

  .items-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .items-grid {
    grid-template-columns: 1fr;
  }
}

[data-theme="dark"] {
  --ts-bg: #0f0f0f;
  --ts-surface: #1e1e1e;
  --ts-surface-solid: #1a1a1a;
  --ts-text: rgba(255, 255, 255, 0.95);
  --ts-muted: rgba(200, 200, 200, 0.84);
  --ts-border: rgba(255, 255, 255, 0.1);
  --ts-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  --ts-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.65);
}

[data-theme="dark"] .tools-services-header {
  background:
    linear-gradient(180deg, rgba(15, 15, 15, 0.95), rgba(15, 15, 15, 0.75)),
    radial-gradient(1000px 400px at 50% 0%, rgba(93, 173, 226, 0.12), transparent 55%);
}

[data-theme="dark"] .item-description {
  color: rgba(210, 210, 210, 0.88);
}

[data-theme="dark"] .chip-category {
  color: rgba(220, 220, 220, 0.92);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}