/* ==========================================================================
   Tools Pages — Custom Styles
   Built on top of style.compiled.css (site's compiled SCSS).
   Uses the same variables: $color-accent: #C7A870, $color-text-primary: #222222,
   $color-text-secondary: #666666, $color-border: #E5E5E5, font-primary: Bai Jamjuree
   ========================================================================== */

:root {
  --color-bg-light: #FFFFFF;
  --color-bg-dark: #111111;
  --color-text-primary: #222222;
  --color-text-secondary: #666666;
  --color-accent: #C7A870;
  --color-border: #E5E5E5;
  --color-border-02: #1111111a;
}

/* ---------- Tools hero (reuses .banner-02 pattern from main site) ---------- */
.tools-hero {
  position: relative;
  height: 42vh;
  min-height: 320px;
  padding-top: 15px;
  padding-bottom: 15px;
}

.tools-hero .bg-img {
  position: absolute;
  left: 50%;
  top: 0;
  width: calc(100% - 60px);
  height: 100%;
  z-index: -1;
  transform: translateX(-50%);
  background-color: var(--color-bg-dark);
  overflow: hidden;
}

.tools-hero .bg-img:after {
  content: ' ';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(17,17,17,0.92), rgba(17,17,17,0.78));
}

.tools-hero .bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.tools-hero .container {
  position: relative;
  z-index: 1;
  height: 100%;
}

.tools-hero .content {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: calc(100% - 40px);
  text-align: center;
  margin: 0 auto;
}

.tools-hero .eyebrow {
  display: inline-block;
  color: var(--color-accent);
  font-family: "Bai Jamjuree", sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.tools-hero h1 {
  color: #fff;
  font-size: clamp(26px, 5vw, 42px);
  margin-bottom: 12px;
}

.tools-hero p {
  color: #d8d8d8;
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb-trail {
  font-size: 13px;
  color: #cfcfcf;
  margin-bottom: 16px;
}

.breadcrumb-trail a {
  color: #cfcfcf;
  font-weight: 500;
}

.breadcrumb-trail a:hover {
  color: var(--color-accent);
}

.breadcrumb-trail span {
  margin: 0 6px;
  color: #777;
}

/* ---------- Tools index grid ---------- */
.tools-grid-section {
  position: relative;
}

.tools-grid-section .row {
  border-top: 1px solid var(--color-border);
}

.tool-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 40px 30px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.3s ease-in-out;
  text-decoration: none;
}

.tool-card:hover {
  text-decoration: none;
  background-color: #fafafa;
}

.tool-card .icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #111111;
  color: var(--color-accent);
  font-size: 24px;
  margin-bottom: 24px;
  transition: all 0.3s ease-in-out;
}

.tool-card:hover .icon-wrap {
  background-color: var(--color-accent);
  color: #111111;
}

.tool-card h4 {
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text-primary);
}

.tool-card p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.tool-card .tool-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tool-card .tool-cta i {
  transition: transform 0.3s ease-in-out;
  font-size: 12px;
}

.tool-card:hover .tool-cta {
  color: var(--color-accent);
}

.tool-card:hover .tool-cta i {
  transform: translateX(4px);
}

.tool-card .tool-tag {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: #f1f1f1;
  padding: 4px 10px;
  border-radius: 20px;
}

.tool-card {
  position: relative;
}

/* ---------- Converter widget ---------- */
.converter-section {
  position: relative;
}

.converter-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 50px 8px 70px;
}

.converter-card {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 40px;
  background: #fff;
}

@media screen and (max-width: 576px) {
  .converter-card {
    padding: 28px 18px;
  }
}

.converter-row {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: end;
  gap: 16px;
}

@media screen and (max-width: 576px) {
  .converter-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.converter-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
}

.converter-field .input-line {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-text-primary);
  padding-bottom: 8px;
  transition: border-color 0.3s ease-in-out;
}

.converter-field .input-line:focus-within {
  border-bottom-color: var(--color-accent);
}

.converter-field input[type="number"],
.converter-field input[type="text"] {
  border: none;
  background: transparent;
  width: 100%;
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 600;
  font-family: "Bai Jamjuree", sans-serif;
  color: var(--color-text-primary);
  padding: 0;
}

.converter-field input:focus {
  outline: none;
  box-shadow: none;
}

.converter-field select {
  border: none;
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  font-family: "Bai Jamjuree", sans-serif;
  color: var(--color-text-secondary);
  padding: 0;
  cursor: pointer;
}

.converter-field select:focus {
  outline: none;
  box-shadow: none;
}

.swap-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
  color: var(--color-text-primary);
}

.swap-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  transform: rotate(180deg);
}

@media screen and (max-width: 576px) {
  .swap-btn {
    transform: rotate(90deg);
  }
  .swap-btn:hover {
    transform: rotate(270deg);
  }
}

.converter-result {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.converter-result .result-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.converter-result .result-value {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 600;
  color: var(--color-accent);
}

.rate-note {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rate-note.is-error {
  color: #b54343;
}

.rate-note .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4caf50;
  display: inline-block;
}

.rate-note.is-loading .dot {
  background: #c7a870;
  animation: pulse-dot 1s infinite ease-in-out;
}

.rate-note.is-error .dot {
  background: #b54343;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* quick reference chips */
.quick-values {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.quick-values button {
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all 0.3s ease-in-out;
}

.quick-values button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: #fbf8f2;
}

/* reference table */
.ref-table-wrap {
  overflow-x: auto;
}

.ref-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.ref-table th {
  background: var(--color-bg-dark);
  color: #fff;
  padding: 14px 16px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
}

.ref-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

.ref-table tr:nth-child(even) {
  background: #fafafa;
}

/* content blocks (how it works / formula / faq intro) */
.tool-content-block {
  padding: 70px 0 20px;
}

.tool-content-block h2 {
  margin-bottom: 16px;
}

.tool-content-block .formula-box {
  background: #f8f6f2;
  border-left: 3px solid var(--color-accent);
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 600;
  font-family: "Bai Jamjuree", sans-serif;
  margin: 24px 0;
  border-radius: 0 4px 4px 0;
}

/* related tools strip */
.related-tools {
  padding: 60px 0 90px;
}

.related-tools h3 {
  margin-bottom: 30px;
}

.related-tools .row {
  border-top: 1px solid var(--color-border);
}

.related-tools .tool-card {
  border-bottom: none;
}

/* CTA banner reused on every tool page */
.tools-cta {
  background: var(--color-bg-dark);
  padding: 60px 20px;
  text-align: center;
}

.tools-cta h3 {
  color: #fff;
  margin-bottom: 10px;
}

.tools-cta p {
  color: #b9b9b9;
  margin-bottom: 24px;
}

.tools-cta a.btn {
  display: inline-block;
  border: 1px solid var(--color-accent);
  color: #fff;
  padding: 12px 32px;
  border-radius: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.4px;
  transition: all 0.3s ease-in-out;
}

.tools-cta a.btn:hover {
  background: var(--color-accent);
  color: #111;
  text-decoration: none;
}

/* FAQ accordion (matches site's white-bg accordion buttons) */
.tool-faq .accordion-item {
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
}

.tool-faq .accordion-button {
  background-color: #fff;
  font-family: "Bai Jamjuree", sans-serif;
  font-weight: 600;
  font-size: 16px;
  padding: 20px 4px;
  color: var(--color-text-primary);
}

.tool-faq .accordion-button:focus {
  outline: none;
  border: none;
  box-shadow: none;
}

.tool-faq .accordion-button:not(.collapsed) {
  color: var(--color-accent);
  background-color: #fff;
}

.tool-faq .accordion-button::after {
  filter: none;
}

.tool-faq .accordion-body {
  padding: 0 4px 24px;
  color: var(--color-text-secondary);
}