/* ===== TOOLS PAGE STYLES ===== */

.link-group {
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg1-color);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  transition: background var(--transition), box-shadow var(--transition);
}

/* ===== GROUP HEADER ===== */
.link-group-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.2rem;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}

.link-group-header:hover {
  background: rgba(255, 255, 255, 0.09);
}

.link-group-header h2 {
  flex-grow: 1;
  font-size: 1.2rem;
  color: var(--accent);
  margin: 0;
  font-weight: 600;
}

.link-group-header .material-icons-round {
  color: var(--accent);
  font-size: 1.4rem;
}

.expand-icon {
  transition: transform 0.25s ease;
}

.expand-icon.rotated {
  transform: rotate(180deg);
}

/* Reuses .link-group / .link-group-header / .expand-icon defined above,
   kept in sync with links.css's category header pattern */

.tools-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  padding: 1rem 1.2rem 1.2rem;
  transition:
    max-height 0.3s ease,
    opacity 0.3s ease,
    padding 0.3s ease;
}

.tools-grid.collapsed {
  max-height: 0;
  opacity: 0;
  padding: 0 1.2rem;
  overflow: hidden;
}

/* ===== TOOL CARD ===== */
.tool-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text-color);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  overflow: hidden;
  padding: 0.9rem 1rem 1.1rem;
  transition:
    transform 0.2s ease,
    box-shadow 0.25s ease,
    background var(--transition);
  backdrop-filter: blur(8px);
}

.tool-card:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.07);
  box-shadow:
    0 0 10px color-mix(in srgb, var(--accent) 35%, transparent),
    0 4px 12px color-mix(in srgb, var(--accent) 20%, transparent);
}

/* ----- live iframe preview (bleeds to card edges) ----- */
.tool-preview {
  position: relative;
  width: calc(100% + 2rem);
  margin: 0 -1rem 0.7rem;
  height: 160px;
  background: #000;
  overflow: hidden;
  pointer-events: none;
  /* clicks pass through to the wrapping <a> */
}

.tool-preview iframe {
  position: absolute;
  top: 0;
  left: 0;
  border: 0;
  transform-origin: top left;
}

/* ----- fallback icon preview (external tools / no iframe) ----- */
.tool-preview.icon-only {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  background: rgba(255, 255, 255, 0.04);
}

.tool-preview.icon-only .material-icons-round {
  font-size: 2.4rem;
  color: var(--accent);
}

/* ===== TOOLBAR ===== */
.links-toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-bottom: 1rem;
  gap: 0.5rem;
}

.toggle-collapse-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--bg1-color);
  color: var(--text-color);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background var(--transition), transform 0.1s ease;
  backdrop-filter: blur(8px);
}

.toggle-collapse-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 25%, transparent);
}

.toggle-collapse-btn .material-icons-round {
  font-size: 1.2rem;
  color: var(--accent);
}

/* ----- name (above preview) ----- */
.tool-name {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}

.tool-name .material-icons-round {
  font-size: 1.1rem;
  color: var(--accent);
}

/* ----- description (below preview) ----- */
.tool-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.35;
}

.tool-badge {
  align-self: flex-start;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

/* ===== EMPTY CATEGORY STATE ===== */
.tools-empty {
  padding: 1rem 1.2rem 1.4rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .tool-preview {
    height: 120px;
  }
}