/* ============================================================
   EFFICIENCO TOOL PAGE VISUAL SYSTEM
   Loaded in the document head after embedded/page-specific CSS.
   This is the shared presentation layer for every calculator.
   ============================================================ */

/* Prevent the embedded legacy layout from painting before the shared
   tool layout and On This Page navigation have been assembled. */
html.efficienco-tool-booting main#main-content > .tool-wrapper {
  visibility: hidden;
}

.tool-page {
  --tool-ink: #172033;
  --tool-text: #344054;
  --tool-muted: #667085;
  --tool-line: #dfe4eb;
  --tool-line-strong: #c8d0dc;
  --tool-canvas: #fbfcfe;
  --tool-workspace: #f5f6f8;
  --tool-surface: #ffffff;
  --tool-warm-surface: #faf8f4;
  --tool-warm-line: #e8e1d7;
  --tool-result: #edf8f5;
  --tool-result-line: #b9ddd4;
  --tool-result-accent: #087a70;
}

.tool-page #main-content {
  background: linear-gradient(180deg, #f8fafc 0, var(--tool-surface) 430px);
}

.tool-page .tool-wrapper {
  padding-top: var(--space-6);
  padding-bottom: var(--space-16);
}

.tool-page .breadcrumb {
  margin-bottom: var(--space-8);
  border-color: var(--tool-line);
  color: var(--tool-muted);
}

.tool-page .tool-title {
  max-width: 24ch;
  margin-bottom: var(--space-3);
  color: var(--tool-ink);
  font-size: clamp(2rem, 3.2vw, 2.5rem);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.tool-page .tool-description {
  max-width: 64ch;
  margin-bottom: var(--space-10);
  color: var(--tool-text);
  font-size: var(--text-lg);
  line-height: 1.65;
}

.tool-page .tool-page-layout {
  grid-template-columns: minmax(0, 760px) minmax(220px, 260px);
  gap: clamp(1.5rem, 3vw, 2rem);
}

.tool-page .tool-page-content {
  color: var(--tool-text);
}

/* Main calculator workspace */
.tool-page .tool-card,
.tool-page .tool-wrapper .tool-card,
.tool-page .wb .tool-card {
  position: relative;
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  overflow: visible;
  background: var(--tool-workspace);
  border: 1px solid var(--tool-line);
  border-top: 3px solid var(--tool-ink);
  border-radius: var(--radius-xl);
  box-shadow: 0 14px 34px rgba(23, 32, 51, .08);
}

.tool-page .tool-card form > :first-child {
  margin-top: 0;
}

.tool-page .tool-card .input-grid {
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.tool-page .tool-card .input-grid > .field {
  margin-bottom: 0;
}

.tool-page .field-label,
.tool-page .wb .field-label {
  margin-bottom: 7px;
  color: #263449;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: 1.35;
}

.tool-page .field-unit {
  background: transparent;
  color: var(--tool-muted);
  padding: 0;
  font-size: var(--text-xs);
}

.tool-page .field-hint,
.tool-page .wb .field-hint,
.tool-page .wb .wb-small {
  margin-top: 6px;
  color: var(--tool-muted);
  font-size: .8125rem;
  line-height: 1.55;
}

.tool-page .input,
.tool-page .select,
.tool-page .tool-wrapper .input,
.tool-page .tool-wrapper .select,
.tool-page .wb .input,
.tool-page .wb .select {
  min-width: 0;
  height: 50px;
  background-color: var(--tool-surface);
  border: 1px solid var(--tool-line-strong);
  border-radius: 9px;
  color: var(--tool-ink);
  box-shadow: 0 1px 2px rgba(23, 32, 51, .035);
}

.tool-page .input:hover,
.tool-page .select:hover,
.tool-page .tool-wrapper .input:hover,
.tool-page .tool-wrapper .select:hover,
.tool-page .wb .input:hover,
.tool-page .wb .select:hover {
  border-color: #98a2b3;
}

.tool-page .input:focus,
.tool-page .select:focus,
.tool-page .tool-wrapper .input:focus,
.tool-page .tool-wrapper .select:focus,
.tool-page .wb .input:focus,
.tool-page .wb .select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(15, 122, 255, .14);
}

.tool-page .input[readonly],
.tool-page .tool-wrapper .input[readonly],
.tool-page .wb .input[readonly] {
  background-color: #f1f3f6;
}

.tool-page .btn {
  border-radius: 9px;
  font-weight: var(--font-semibold);
}

.tool-page .btn-primary {
  box-shadow: 0 4px 12px rgba(15, 122, 255, .18);
}

.tool-page .btn-secondary {
  background: var(--tool-surface);
  border-color: var(--tool-line-strong);
  color: #344054;
}

.tool-page .btn-secondary:hover {
  background: #f9fafb;
  border-color: #98a2b3;
}

/* Results are a separate semantic surface, not another blue panel. */
.tool-page .tool-card .result-section-title,
.tool-page .tool-card #results-title {
  margin: var(--space-10) 0 var(--space-3) !important;
  color: var(--tool-ink) !important;
  font-size: var(--text-xl) !important;
  font-weight: var(--font-semibold) !important;
  letter-spacing: -.015em;
}

.tool-page .result-section {
  margin-top: var(--space-3);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--tool-result);
  border: 1px solid var(--tool-result-line);
  border-left: 4px solid var(--tool-result-accent);
  border-radius: var(--radius-lg);
  box-shadow: none;
}

.tool-page .result-label {
  color: var(--tool-result-accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.tool-page .result-primary,
.tool-page .result-item-value {
  color: var(--tool-ink);
}

.tool-page .result-primary {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 650;
}

.tool-page .result-secondary {
  color: #40576a;
  line-height: 1.6;
}

.tool-page .result-breakdown {
  border-color: #cfe6df;
}

.tool-page .result-item-label {
  color: #5c716d;
}

/* Nested controls in advanced workbenches */
.tool-page .wb .wb-advanced,
.tool-page #cmu-workbench.wb .cmu-wall,
.tool-page #cmu-workbench.wb .cmu-opening,
.tool-page #cmu-workbench.wb .cmu-special,
.tool-page .wb .ha-line {
  background: var(--tool-surface);
  border-color: var(--tool-line-strong);
  box-shadow: 0 1px 2px rgba(23, 32, 51, .025);
}

.tool-page .wb .wb-advanced {
  margin: var(--space-4) 0;
}

.tool-page .wb .wb-advanced > summary,
.tool-page .wb .ha-line summary {
  color: var(--tool-ink);
  font-weight: var(--font-semibold);
}

.tool-page .wb .wb-tabs button[aria-pressed='true'] {
  background: #edf3fb;
}

.tool-page .wb .wb-notice {
  background: #f8fafc;
  border-color: var(--tool-line);
}

.tool-page .wb .wb-table {
  background: var(--tool-surface);
  border-color: var(--tool-line);
}

.tool-page .wb th {
  background: #f3f5f7;
  color: #344054;
}

.tool-page .wb th,
.tool-page .wb td {
  border-color: #e7eaf0;
}

.tool-page .wb .wb-diagram,
.tool-page #cmu-workbench .cmu-diagram {
  background: #f4f6f8;
  border: 1px solid var(--tool-line);
}

/* Supporting content: generous rhythm with one quiet separator per section. */
.tool-page .tool-page-content > .divider {
  display: none;
}

.tool-page .tool-page-content > section {
  margin: var(--space-12) 0 0;
  padding-top: var(--space-10);
  border-top: 1px solid var(--tool-line);
}

.tool-page .tool-page-content > .about-section {
  padding: var(--space-8);
  background: var(--tool-warm-surface);
  border: 1px solid var(--tool-warm-line);
  border-radius: var(--radius-xl);
}

.tool-page .tool-page-content > .related-section {
  padding-top: var(--space-10);
}

.tool-page .section-title,
.tool-page .wb .wb-section > .section-title {
  margin-bottom: var(--space-5);
  color: var(--tool-ink);
  font-size: clamp(1.35rem, 2.2vw, 1.6rem);
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: -.025em;
  text-wrap: balance;
}

.tool-page .tool-page-content section h3,
.tool-page .wb .wb-section h3 {
  color: #263449;
  font-size: var(--text-lg) !important;
  font-weight: var(--font-semibold) !important;
  line-height: 1.35;
}

.tool-page .tool-page-content section p,
.tool-page .tool-page-content section li {
  color: #465568;
  line-height: 1.75;
}

.tool-page .how-to-steps {
  gap: var(--space-5);
}

.tool-page .step-number {
  background: #e9eff7;
  color: #28537e;
}

.tool-page .step-title {
  color: var(--tool-ink);
  font-weight: var(--font-semibold);
}

.tool-page .formula-block {
  margin: var(--space-5) 0;
  padding: var(--space-5) var(--space-6);
  background: #f8f4ee;
  border-color: #e8ded0;
  border-left-color: #ad6b35;
  color: #382d24;
  line-height: 1.75;
}

.tool-page .seo-faq-list {
  margin-top: var(--space-2);
}

.tool-page .seo-faq-block {
  margin: 0 !important;
  padding: var(--space-5) 0;
  border-top: 1px solid var(--tool-line);
}

.tool-page .seo-faq-block:first-child {
  border-top: 0;
}

.tool-page .seo-faq-block h3 {
  margin: 0 0 var(--space-2) !important;
}

.tool-page .seo-faq-block p,
.tool-page .seo-faq-block > div {
  color: #465568 !important;
  line-height: 1.7 !important;
}

.tool-page .related-grid {
  gap: var(--space-4);
}

.tool-page .related-card {
  padding: var(--space-5);
  border-color: var(--tool-line);
  box-shadow: 0 2px 7px rgba(23, 32, 51, .035);
}

.tool-page .related-card:hover {
  background: #f7faff;
  box-shadow: 0 6px 16px rgba(23, 32, 51, .07);
}

.tool-page .related-card-title {
  color: var(--tool-ink);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}

.tool-page .related-card-desc {
  color: var(--tool-muted);
  font-size: .8125rem;
  line-height: 1.55;
}

/* On This Page */
.tool-page .article-sidebar {
  top: calc(var(--header-h) + var(--space-5));
}

.tool-page .article-toc-card {
  background: rgba(255, 255, 255, .92);
  border-color: var(--tool-line);
  box-shadow: 0 8px 24px rgba(23, 32, 51, .05);
}

.tool-page .article-toc {
  padding: var(--space-4);
}

.tool-page .article-toc-title {
  color: var(--tool-muted);
}

.tool-page .article-toc a {
  padding: 8px 10px;
  border-left-width: 3px;
  border-radius: 0 6px 6px 0;
  color: #526071;
  line-height: 1.4;
}

.tool-page .article-toc a:first-of-type {
  color: var(--tool-ink);
  font-weight: var(--font-semibold);
}

.tool-page .article-toc a:hover,
.tool-page .article-toc a.is-active {
  background: #f2f6fb;
  color: var(--tool-ink);
}

@media (max-width: 900px) {
  .tool-page .tool-page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
  }

  .tool-page .article-toc-card {
    border-color: #cfd7e3;
    box-shadow: 0 6px 18px rgba(23, 32, 51, .08);
  }

  .tool-page .article-toc-toggle {
    background: var(--tool-ink);
  }

  .tool-page .article-toc-toggle:hover {
    background: #24324a;
  }

  .tool-page .article-toc.is-open {
    background: var(--tool-surface);
  }
}

@media (max-width: 640px) {
  .tool-page .tool-wrapper {
    padding: var(--space-5) var(--space-4) var(--space-12);
  }

  .tool-page .breadcrumb {
    margin-bottom: var(--space-6);
  }

  .tool-page .tool-title {
    font-size: 1.75rem;
    line-height: 1.16;
  }

  .tool-page .tool-description {
    margin-bottom: var(--space-8);
    font-size: 1rem;
    line-height: 1.6;
  }

  .tool-page .tool-card,
  .tool-page .tool-wrapper .tool-card,
  .tool-page .wb .tool-card {
    padding: var(--space-5);
    border-radius: var(--radius-lg);
  }

  .tool-page .tool-card .input-grid {
    gap: 0;
    margin-bottom: 0;
  }

  .tool-page .tool-card .input-grid > .field,
  .tool-page .tool-card form > .field {
    margin-bottom: var(--space-5);
  }

  .tool-page .result-section {
    padding: var(--space-5);
  }

  .tool-page .tool-page-content > section {
    margin-top: var(--space-10);
    padding-top: var(--space-8);
  }

  .tool-page .tool-page-content > .about-section {
    padding: var(--space-5);
  }

  .tool-page .section-title,
  .tool-page .wb .wb-section > .section-title {
    font-size: 1.35rem;
  }

  .tool-page .formula-block {
    padding: var(--space-4);
  }

  .tool-page .related-grid {
    grid-template-columns: 1fr;
  }
}

@media screen and (forced-colors: active) {
  .tool-page .tool-card,
  .tool-page .result-section,
  .tool-page .tool-page-content > section {
    border-color: CanvasText;
  }
}

@media print {
  .tool-page #main-content,
  .tool-page .tool-card,
  .tool-page .result-section {
    background: white;
    box-shadow: none;
  }
}