:root {
  --tool-ink: #172033;
  --tool-muted: #526075;
  --tool-line: #d9e0ea;
  --tool-soft: #f7f9fc;
  --tool-accent: #9a3412;
  --tool-accent-soft: #fff7ed;
  --tool-success: #166534;
}

.tools-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

.tools-hero {
  padding: 2.75rem;
  border: 1px solid var(--tool-line);
  border-radius: 1.25rem;
  background: linear-gradient(135deg, #fff7ed, #f8fafc 60%, #eef2ff);
}

.tools-hero h1 {
  max-width: 800px;
  margin: .45rem 0 1rem;
  color: var(--tool-ink);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.05;
}

.tools-hero p,
.tool-intro {
  max-width: 800px;
  color: var(--tool-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border: 1px solid var(--tool-line);
  border-radius: 1rem;
  background: #fff;
  color: var(--tool-ink);
  text-decoration: none;
}

.tool-card[href]:hover,
.tool-card[href]:focus-visible {
  border-color: var(--tool-accent);
  box-shadow: 0 12px 32px rgba(15, 23, 42, .09);
  transform: translateY(-2px);
}

.tool-card h2,
.tool-card h3 {
  margin: .65rem 0;
  font-size: 1.2rem;
}

.tool-card p {
  margin: 0;
  color: var(--tool-muted);
  line-height: 1.6;
}

.tool-status {
  align-self: flex-start;
  padding: .25rem .6rem;
  border-radius: 999px;
  background: #dcfce7;
  color: var(--tool-success);
  font-size: .75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.tool-status.planned {
  background: #e2e8f0;
  color: #475569;
}

.builder-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, .75fr);
  gap: 2rem;
  align-items: start;
  margin-top: 2rem;
}

.builder-form,
.builder-output,
.builder-guidance {
  padding: 1.5rem;
  border: 1px solid var(--tool-line);
  border-radius: 1rem;
  background: #fff;
}

.builder-fieldset {
  margin: 0 0 1.5rem;
  padding: 0;
  border: 0;
}

.builder-fieldset legend {
  width: 100%;
  margin-bottom: 1rem;
  padding-bottom: .65rem;
  border-bottom: 1px solid var(--tool-line);
  color: var(--tool-ink);
  font-size: 1.15rem;
  font-weight: 800;
}

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

.builder-field {
  display: grid;
  gap: .4rem;
  margin-bottom: 1rem;
  color: var(--tool-ink);
  font-size: .9rem;
  font-weight: 750;
}

.builder-field small {
  color: var(--tool-muted);
  font-weight: 500;
  line-height: 1.45;
}

.builder-field input,
.builder-field select,
.builder-field textarea {
  width: 100%;
  padding: .75rem .8rem;
  border: 1px solid #b8c2d0;
  border-radius: .55rem;
  background: #fff;
  color: var(--tool-ink);
  font: inherit;
  font-weight: 500;
}

.builder-field input:focus,
.builder-field select:focus,
.builder-field textarea:focus {
  border-color: var(--tool-accent);
  outline: 3px solid rgba(154, 52, 18, .14);
}

.builder-actions,
.output-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}

.builder-actions button,
.output-actions button,
.output-actions a {
  min-height: 2.75rem;
}

.builder-privacy {
  margin-top: 1rem;
  padding: .8rem 1rem;
  border-left: 4px solid var(--tool-success);
  background: #f0fdf4;
  color: #14532d;
  font-size: .9rem;
  line-height: 1.55;
}

.builder-output {
  position: sticky;
  top: 1rem;
}

.brief-preview {
  max-height: 58vh;
  margin: 1rem 0;
  padding: 1rem;
  overflow: auto;
  border: 1px solid var(--tool-line);
  border-radius: .65rem;
  background: var(--tool-soft);
  color: var(--tool-ink);
  font: .88rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
}

.completeness-list {
  padding-left: 1.2rem;
  color: var(--tool-muted);
}

.builder-guidance {
  margin-top: 2rem;
}

.builder-guidance li {
  margin-bottom: .65rem;
  color: var(--tool-muted);
  line-height: 1.55;
}

.tool-breadcrumb {
  margin-bottom: 1rem;
  color: var(--tool-muted);
  font-size: .9rem;
}

.tool-breadcrumb a {
  color: var(--tool-accent);
  font-weight: 700;
}

.tool-detail-hero {
  margin-top: 1rem;
}

.utility-form,
.utility-output {
  padding: 1.5rem;
  border: 1px solid var(--tool-line);
  border-radius: 1rem;
  background: #fff;
}

.utility-form {
  margin-top: 1.5rem;
}

.utility-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: 2rem;
  align-items: start;
  margin-top: 1.5rem;
}

.utility-layout .utility-form { margin-top: 0; }

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

.comparison-card {
  min-width: 0;
  margin: 0;
  padding: 1.1rem;
  border: 1px solid var(--tool-line);
  border-radius: .8rem;
  background: var(--tool-soft);
}

.comparison-card legend {
  padding: 0 .3rem;
  color: var(--tool-ink);
  font-weight: 800;
}

.comparison-card legend span {
  color: var(--tool-muted);
  font-size: .75rem;
  font-weight: 600;
}

.comparison-card .builder-grid { grid-template-columns: 1fr 1fr; gap: .7rem; }
.comparison-card .builder-field { font-size: .82rem; }
.utility-notes { margin-top: 1.25rem; }

.utility-output {
  margin-top: 2rem;
}

.utility-layout .utility-output {
  position: sticky;
  top: 1rem;
  margin-top: 0;
}

.utility-summary {
  color: var(--tool-muted);
  line-height: 1.6;
}

.utility-table-wrap {
  margin: 1rem 0;
  overflow-x: auto;
  border: 1px solid var(--tool-line);
  border-radius: .7rem;
}

.utility-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: .85rem;
}

.utility-table th,
.utility-table td {
  min-width: 120px;
  padding: .8rem;
  border-bottom: 1px solid var(--tool-line);
  text-align: left;
  vertical-align: top;
}

.utility-table th { background: var(--tool-soft); color: var(--tool-ink); }
.utility-table tr:last-child td { border-bottom: 0; }

.tool-caution {
  padding: .85rem 1rem;
  border-left: 4px solid #b45309;
  background: #fffbeb;
  color: #78350f;
  font-size: .9rem;
  line-height: 1.55;
}

.review-checklist {
  gap: .75rem;
}

.review-checklist label {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: .65rem;
  align-items: start;
  color: var(--tool-muted);
  font-size: .92rem;
  line-height: 1.5;
}

.review-checklist input { margin-top: .2rem; accent-color: var(--tool-accent); }

.review-gate {
  margin-top: 1.5rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid #f59e0b;
  border-left-width: 5px;
  border-radius: .8rem;
  background: #fffbeb;
  color: #78350f;
}

.review-gate h2 { margin: .25rem 0 .55rem; font-size: 1.3rem; }
.review-gate p:last-child { margin: 0; line-height: 1.6; }

.calculator-component {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  margin: 0 0 1rem;
  padding: 1rem;
  border: 1px solid var(--tool-line);
  border-radius: .75rem;
  background: var(--tool-soft);
}

.calculator-component legend {
  padding: 0 .35rem;
  color: var(--tool-ink);
  font-weight: 800;
}

.workflow-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem 1rem;
}

.workflow-check {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: .65rem;
  align-items: start;
  padding: .7rem .8rem;
  border: 1px solid var(--tool-line);
  border-radius: .55rem;
  background: var(--tool-soft);
  color: var(--tool-muted);
  font-size: .9rem;
  line-height: 1.45;
}

.workflow-check input { margin-top: .15rem; accent-color: var(--tool-accent); }

@media (max-width: 860px) {
  .tool-grid,
  .builder-layout,
  .builder-grid,
  .utility-layout,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .builder-output,
  .utility-layout .utility-output {
    position: static;
  }

  .tools-hero {
    padding: 1.5rem;
  }

  .comparison-card .builder-grid { grid-template-columns: 1fr; }
  .calculator-component { grid-template-columns: 1fr; }
  .workflow-field-grid { grid-template-columns: 1fr; }
}

@media print {
  .site-header,
  .site-footer,
  .builder-form,
  .utility-form,
  .builder-guidance,
  .output-actions,
  .builder-privacy {
    display: none !important;
  }

  .builder-layout {
    display: block;
  }

  .builder-output,
  .brief-preview {
    position: static;
    max-height: none;
    border: 0;
    box-shadow: none;
  }
}