.shingle-page {
  --shingle-ink: #0e2330;
  --shingle-slate: #425466;
  --shingle-muted: #6c7c86;
  --shingle-green: #5a7d6a;
  --shingle-green-dark: #3f6252;
  --shingle-sage: #dce9e2;
  --shingle-sand: #f4f1e9;
  --shingle-paper: #fff;
  --shingle-line: #d9e4df;
  --shingle-warning: #fff7e8;
  background: #f8faf9;
  color: var(--shingle-slate);
  min-height: 100vh;
}

.shingle-page,
.shingle-page * {
  box-sizing: border-box;
}

.shingle-page [hidden] {
  display: none !important;
}

.shingle-page a {
  color: var(--shingle-green-dark);
}

.shingle-intro {
  background:
    radial-gradient(circle at 86% 18%, rgba(122, 165, 142, .28), transparent 30%),
    linear-gradient(135deg, #0e2330 0%, #173b49 68%, #24515a 100%);
  color: #fff;
  overflow: hidden;
}

.shingle-intro-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 38px 20px 65px;
}

.shingle-eyebrow,
.shingle-kicker {
  color: #bcd9ca;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .16em;
  line-height: 1.3;
  margin: 0 0 13px;
  text-transform: uppercase;
}

.shingle-intro h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  letter-spacing: -.045em;
  line-height: .98;
  margin: 0;
  max-width: 17ch;
}

.shingle-intro-copy {
  color: #d9e9e1;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.65;
  margin: 20px 0 0;
  max-width: 70ch;
}

.shingle-intro-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 25px;
}

.shingle-intro-chip {
  align-items: center;
  color: #e9f3ee;
  display: inline-flex;
  font-size: .88rem;
  gap: 8px;
}

.shingle-intro-chip::before {
  background: #9ac5a9;
  border-radius: 50%;
  content: "";
  display: inline-block;
  height: 7px;
  width: 7px;
}

.shingle-tool-shell {
  margin: -30px auto 0;
  max-width: 1240px;
  padding: 0 20px;
  position: relative;
}

.shingle-tool-frame {
  background: var(--shingle-paper);
  border: 1px solid rgba(14, 35, 48, .1);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(14, 35, 48, .12);
  overflow: hidden;
}

.shingle-tool-heading {
  border-bottom: 1px solid var(--shingle-line);
  padding: 26px 30px 22px;
}

.shingle-tool-heading h2 {
  color: var(--shingle-ink);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  letter-spacing: -.025em;
  line-height: 1.12;
  margin: 0;
}

.shingle-tool-heading p {
  color: var(--shingle-muted);
  line-height: 1.6;
  margin: 8px 0 0;
  max-width: 76ch;
}

.shingle-tool-grid {
  display: grid;
  grid-template-columns: minmax(300px, .88fr) minmax(0, 1.12fr);
}

.shingle-input-panel,
.shingle-results-panel {
  min-width: 0;
  padding: 30px;
}

.shingle-input-panel {
  border-right: 1px solid var(--shingle-line);
}

.shingle-results-panel {
  background: #fbfdfc;
}

.shingle-panel-kicker {
  color: var(--shingle-green-dark);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1.3;
  margin: 0 0 9px;
  text-transform: uppercase;
}

.shingle-panel-title {
  color: var(--shingle-ink);
  font-size: 1.22rem;
  line-height: 1.2;
  margin: 0;
}

.shingle-panel-copy {
  color: var(--shingle-muted);
  font-size: .95rem;
  line-height: 1.58;
  margin: 8px 0 22px;
}

.shingle-field-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
}

.shingle-field {
  min-width: 0;
}

.shingle-field--wide {
  grid-column: 1 / -1;
}

.shingle-field label {
  color: var(--shingle-ink);
  display: block;
  font-size: .88rem;
  font-weight: 750;
  margin-bottom: 7px;
}

.shingle-field input,
.shingle-field select {
  appearance: none;
  background: #fff;
  border: 1px solid #c9d7d1;
  border-radius: 10px;
  color: var(--shingle-ink);
  font: inherit;
  min-height: 50px;
  padding: 11px 13px;
  width: 100%;
}

.shingle-field select {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--shingle-green-dark) 50%),
    linear-gradient(135deg, var(--shingle-green-dark) 50%, transparent 50%);
  background-position: calc(100% - 17px) 22px, calc(100% - 12px) 22px;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
  padding-right: 33px;
}

.shingle-field input:focus-visible,
.shingle-field select:focus-visible,
.shingle-button:focus-visible,
.shingle-link-button:focus-visible,
.shingle-page summary:focus-visible {
  outline: 3px solid rgba(90, 125, 106, .28);
  outline-offset: 2px;
}

.shingle-field-help {
  color: var(--shingle-muted);
  display: block;
  font-size: .8rem;
  line-height: 1.45;
  margin-top: 6px;
}

.shingle-choice-row {
  display: grid;
  gap: 9px;
  margin: 23px 0;
}

.shingle-choice {
  align-items: flex-start;
  background: #fbfdfc;
  border: 1px solid var(--shingle-line);
  border-radius: 11px;
  cursor: pointer;
  display: flex;
  gap: 10px;
  padding: 12px 13px;
}

.shingle-choice:hover {
  border-color: #a9c1b4;
}

.shingle-choice input {
  accent-color: var(--shingle-green);
  flex: 0 0 auto;
  height: 18px;
  margin: 2px 0 0;
  width: 18px;
}

.shingle-choice strong {
  color: var(--shingle-ink);
  display: block;
  font-size: .9rem;
  line-height: 1.3;
}

.shingle-choice span {
  color: var(--shingle-muted);
  display: block;
  font-size: .8rem;
  line-height: 1.45;
  margin-top: 3px;
}

.shingle-input-note {
  color: var(--shingle-muted);
  font-size: .81rem;
  line-height: 1.5;
  margin: 18px 0 0;
}

.shingle-input-note[data-error="true"] {
  background: #fff0f0;
  border: 1px solid #efb1b1;
  border-radius: 9px;
  color: #8f2d2d;
  padding: 10px 12px;
}

.shingle-actions,
.shingle-result-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 21px;
}

.shingle-button,
.shingle-link-button {
  align-items: center;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  justify-content: center;
  min-height: 46px;
  padding: 10px 15px;
  text-decoration: none;
}

.shingle-button {
  background: transparent;
  border: 1px solid #c9d7d1;
  color: var(--shingle-ink);
}

.shingle-button:hover {
  background: #f1f7f3;
  border-color: #9eb8a9;
}

.shingle-link-button {
  background: var(--shingle-green);
  border: 1px solid var(--shingle-green);
  color: #fff !important;
  font-weight: 750;
}

.shingle-link-button:hover {
  background: var(--shingle-green-dark);
  border-color: var(--shingle-green-dark);
}

.shingle-result-heading {
  align-items: flex-start;
  display: flex;
  gap: 15px;
  justify-content: space-between;
}

.shingle-result-status {
  background: var(--shingle-sage);
  border-radius: 999px;
  color: var(--shingle-green-dark);
  font-size: .77rem;
  font-weight: 800;
  padding: 7px 10px;
  white-space: nowrap;
}

.shingle-total {
  background:
    linear-gradient(135deg, rgba(220, 233, 226, .9), rgba(247, 250, 248, .7)),
    #fff;
  border: 1px solid #c5d9cc;
  border-radius: 17px;
  margin-top: 20px;
  padding: 22px;
}

.shingle-total-label {
  color: var(--shingle-green-dark);
  display: block;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.shingle-total-value {
  color: var(--shingle-ink);
  display: block;
  font-size: clamp(2rem, 4vw, 3.1rem);
  letter-spacing: -.045em;
  line-height: 1;
  margin-top: 9px;
}

.shingle-total-copy {
  color: var(--shingle-slate);
  font-size: .9rem;
  line-height: 1.5;
  margin: 11px 0 0;
}

.shingle-result-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 15px;
}

.shingle-result-card {
  background: #fff;
  border: 1px solid var(--shingle-line);
  border-radius: 12px;
  min-width: 0;
  padding: 14px;
}

.shingle-result-label {
  color: var(--shingle-muted);
  display: block;
  font-size: .78rem;
  line-height: 1.35;
}

.shingle-result-value {
  color: var(--shingle-ink);
  display: block;
  font-size: 1.05rem;
  line-height: 1.2;
  margin-top: 6px;
}

.shingle-result-footnote {
  color: var(--shingle-muted);
  font-size: .78rem;
  line-height: 1.48;
  margin: 17px 0 0;
}

.shingle-result-actions {
  border-top: 1px solid var(--shingle-line);
  padding-top: 17px;
}

.shingle-copy-status {
  color: var(--shingle-green-dark);
  font-size: .8rem;
}

.shingle-prose-wrap {
  margin: 0 auto;
  max-width: 1240px;
  padding: 68px 20px 80px;
}

.shingle-prose-layout {
  display: grid;
  gap: 55px;
  grid-template-columns: minmax(0, 1fr) 290px;
}

.shingle-prose {
  color: var(--shingle-slate);
  font-size: 1.03rem;
  line-height: 1.75;
  min-width: 0;
}

.shingle-prose h2 {
  color: var(--shingle-ink);
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  letter-spacing: -.025em;
  line-height: 1.15;
  margin: 48px 0 14px;
}

.shingle-prose h2:first-child {
  margin-top: 0;
}

.shingle-prose h3 {
  color: var(--shingle-ink);
  font-size: 1.18rem;
  line-height: 1.25;
  margin: 28px 0 9px;
}

.shingle-prose p {
  margin: 0 0 17px;
}

.shingle-prose ul,
.shingle-prose ol {
  margin: 0 0 20px;
  padding-left: 1.25rem;
}

.shingle-prose li {
  margin-bottom: 8px;
}

.shingle-lead {
  color: var(--shingle-ink);
  font-size: 1.14rem;
}

.shingle-highlight {
  background: var(--shingle-sand);
  border-left: 4px solid var(--shingle-green);
  border-radius: 0 13px 13px 0;
  margin: 24px 0;
  padding: 18px 20px;
}

.shingle-highlight strong {
  color: var(--shingle-ink);
}

.shingle-table-wrap {
  border: 1px solid var(--shingle-line);
  border-radius: 13px;
  margin: 20px 0 25px;
  overflow-x: auto;
}

.shingle-table {
  border-collapse: collapse;
  min-width: 650px;
  width: 100%;
}

.shingle-table th,
.shingle-table td {
  border-bottom: 1px solid var(--shingle-line);
  padding: 13px 15px;
  text-align: left;
  vertical-align: top;
}

.shingle-table tr:last-child td {
  border-bottom: 0;
}

.shingle-table th {
  background: #f2f7f4;
  color: var(--shingle-ink);
  font-size: .82rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.shingle-table td {
  color: var(--shingle-slate);
  font-size: .94rem;
}

.shingle-table td strong {
  color: var(--shingle-ink);
}

.shingle-bundle-tool {
  background: #fff;
  border: 1px solid var(--shingle-line);
  border-radius: 17px;
  margin: 26px 0;
  padding: 22px;
}

.shingle-bundle-tool h3 {
  margin-top: 0;
}

.shingle-bundle-grid {
  align-items: end;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr 1fr minmax(180px, .8fr);
}

.shingle-bundle-output {
  background: var(--shingle-sage);
  border-radius: 11px;
  min-height: 50px;
  padding: 10px 13px;
}

.shingle-bundle-output span {
  color: var(--shingle-green-dark);
  display: block;
  font-size: .75rem;
  line-height: 1.2;
}

.shingle-bundle-output strong {
  color: var(--shingle-ink);
  display: block;
  font-size: 1.15rem;
  line-height: 1.2;
  margin-top: 4px;
}

.shingle-source-note {
  color: var(--shingle-muted);
  font-size: .84rem;
  line-height: 1.55;
}

.shingle-warning {
  background: var(--shingle-warning);
  border: 1px solid #ead4a4;
  border-radius: 13px;
  color: #6c5422;
  margin: 25px 0;
  padding: 16px 18px;
}

.shingle-warning strong {
  color: #4d3a16;
}

.shingle-faq {
  border-top: 1px solid var(--shingle-line);
  margin-top: 20px;
}

.shingle-faq details {
  border-bottom: 1px solid var(--shingle-line);
  padding: 15px 0;
}

.shingle-faq summary {
  color: var(--shingle-ink);
  cursor: pointer;
  font-weight: 750;
  padding-right: 25px;
}

.shingle-faq-answer {
  color: var(--shingle-slate);
  padding: 11px 0 0;
}

.shingle-faq-answer p {
  margin: 0;
}

.shingle-sidebar {
  min-width: 0;
}

.shingle-sidebar-card {
  background: var(--shingle-ink);
  border-radius: 17px;
  color: #d9e9e1;
  padding: 23px;
  position: sticky;
  top: 98px;
}

.shingle-sidebar-card .shingle-kicker {
  color: #bcd9ca;
}

.shingle-sidebar-card h2 {
  color: #fff;
  font-size: 1.35rem;
  line-height: 1.2;
  margin: 0 0 10px;
}

.shingle-sidebar-card p {
  font-size: .93rem;
  line-height: 1.6;
  margin: 0 0 17px;
}

.shingle-sidebar-card a {
  color: #fff;
  display: inline-block;
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.shingle-sidebar-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.shingle-sidebar-list li {
  border-bottom: 1px solid var(--shingle-line);
  padding: 11px 0;
}

.shingle-sidebar-list a {
  font-size: .92rem;
  line-height: 1.4;
  text-decoration: none;
}

.shingle-bottom-cta {
  background: var(--shingle-sage);
  border-radius: 17px;
  margin-top: 46px;
  padding: 25px;
}

.shingle-bottom-cta h2 {
  margin-top: 0;
}

.shingle-bottom-cta .shingle-actions {
  margin-top: 15px;
}

@media (max-width: 930px) {
  .shingle-prose-layout {
    grid-template-columns: 1fr;
  }

  .shingle-sidebar {
    max-width: 620px;
  }

  .shingle-sidebar-card {
    position: static;
  }
}

@media (max-width: 780px) {
  .shingle-tool-grid {
    grid-template-columns: 1fr;
  }

  .shingle-input-panel {
    border-bottom: 1px solid var(--shingle-line);
    border-right: 0;
  }

  .shingle-bundle-grid {
    grid-template-columns: 1fr 1fr;
  }

  .shingle-bundle-output {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .shingle-intro-inner {
    padding-bottom: 55px;
  }

  .shingle-tool-shell,
  .shingle-prose-wrap {
    padding-left: 15px;
    padding-right: 15px;
  }

  .shingle-tool-heading,
  .shingle-input-panel,
  .shingle-results-panel {
    padding: 22px 18px;
  }

  .shingle-field-grid,
  .shingle-result-grid,
  .shingle-bundle-grid {
    grid-template-columns: 1fr;
  }

  .shingle-field--wide,
  .shingle-bundle-output {
    grid-column: auto;
  }

  .shingle-prose {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .shingle-page *,
  .shingle-page *::before,
  .shingle-page *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

@media print {
  .shingle-intro,
  .shingle-sidebar,
  .shingle-bottom-cta,
  .shingle-actions,
  .shingle-result-actions,
  .shingle-bundle-tool {
    display: none !important;
  }

  .shingle-tool-shell {
    margin-top: 20px;
    max-width: none;
    padding: 0;
  }

  .shingle-tool-frame {
    border: 1px solid #999;
    box-shadow: none;
  }

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

  .shingle-input-panel {
    border-bottom: 0;
    border-right: 1px solid #999;
  }
}