.tool-page {
  --tool-bg: #eef3ff;
  --tool-card: rgba(255, 255, 255, 0.94);
  --tool-line: #d9e2f3;
  --tool-muted: #667085;
  --tool-primary: #4763ff;
  --tool-primary-dark: #243bd6;
  --tool-success: #17a673;
  --tool-warning: #e59b24;
  --tool-shadow: 0 18px 60px rgba(54, 78, 140, 0.14);
  background:
    radial-gradient(circle at 8% 0%, rgba(255, 255, 255, 0.92) 0, transparent 32%),
    radial-gradient(circle at 100% 12%, rgba(232, 247, 243, 0.9) 0, transparent 30%),
    var(--tool-bg);
}

.tool-page .tool-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--tool-line);
  background:
    linear-gradient(135deg, rgba(23, 32, 51, 0.96), rgba(48, 69, 168, 0.93) 58%, rgba(43, 191, 159, 0.82)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  color: #fff;
}

.tool-page .tool-hero::after {
  content: "| A |";
  position: absolute;
  right: max(24px, calc((100vw - var(--container-width)) / 2));
  bottom: 28px;
  padding: 16px 20px;
  border-left: 4px solid rgba(255, 255, 255, 0.7);
  border-right: 4px solid rgba(255, 255, 255, 0.7);
  color: rgba(255, 255, 255, 0.78);
  font: 800 2rem Consolas, monospace;
}

.tool-page .tool-hero .lead,
.tool-page .tool-hero .breadcrumb,
.tool-page .tool-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.84);
}

.tool-page .tool-hero .eyebrow {
  display: inline-flex;
  color: #fff;
  background: rgba(255, 255, 255, 0.17);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
}

.tool-page .stat-card,
.tool-page .tool-controls,
.tool-page .tool-card,
.tool-page .workspace-placeholder,
.tool-page .detail-panel {
  border-color: rgba(217, 226, 243, 0.88);
  background: var(--tool-card);
  box-shadow: var(--tool-shadow);
  backdrop-filter: blur(8px);
}

.tool-page .stat-card span {
  color: var(--tool-primary);
}

.tool-page .tool-controls {
  display: grid;
  gap: var(--space-3);
}

.tool-page .tool-controls input {
  border-radius: 12px;
  border-color: var(--tool-line);
  background: #fff;
}

.tool-page .filter-button {
  border-radius: 999px;
  border-color: var(--tool-line);
}

.tool-page .filter-button.is-active,
.tool-page .button-primary {
  background: linear-gradient(135deg, var(--tool-primary), #2bbf9f);
  border-color: transparent;
  color: #fff;
}

.tool-page .tool-category h2 {
  margin-bottom: var(--space-4);
}

.tool-page .tool-card {
  min-height: 260px;
  border-radius: 22px;
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.tool-page .tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 64px rgba(54, 78, 140, 0.18);
}

.tool-page .tool-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border-color: #c7d2fe;
  background: #eef2ff;
  color: var(--tool-primary-dark);
}

.tool-page .tool-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

.tool-page .tool-card-actions .button {
  flex: 1 1 128px;
}

.tool-page .disabled-note {
  padding: 0.55rem 0.7rem;
  border: 1px solid #fecaca;
  border-radius: 12px;
  background: #fff1f1;
  color: #b42318;
  font-weight: 700;
}

.tool-page .button-disabled {
  background: #edf0f4;
  color: #667085;
  cursor: not-allowed;
}

.tool-page .workspace-placeholder {
  border-radius: 24px;
  background:
    linear-gradient(90deg, rgba(217, 226, 243, 0.65) 1px, transparent 1px),
    linear-gradient(rgba(217, 226, 243, 0.65) 1px, transparent 1px),
    var(--tool-card);
  background-size: 34px 34px;
}

.tool-page .placeholder-symbol {
  border-left: 4px solid var(--color-text);
  border-right: 4px solid var(--color-text);
  padding-inline: 16px;
  color: var(--tool-primary-dark);
}

.tool-page .detail-panel {
  border-radius: 22px;
}

.tool-page .decouple-note {
  margin: var(--space-4) 0;
  padding: var(--space-3);
  border: 1px dashed #cdd7ff;
  border-radius: 16px;
  background: #f8faff;
  color: var(--tool-muted);
}

.tool-page .decouple-note h3 {
  margin-bottom: 0.25rem;
  color: var(--color-text);
  font-size: 1rem;
}

.tool-page .decouple-note p {
  margin-bottom: 0;
}

@media (max-width: 860px) {
  .tool-page .tool-hero::after {
    display: none;
  }

  .tool-page .tool-card {
    min-height: auto;
  }
}