/* =========================================================================
   tools.css — paper cup calculators (/tools and the four calculator pages)
   Loaded after style.css. Only styles classes that style.css does not own.
   ========================================================================= */

.tool-main {
  padding: 36px 0 0;
}

.tool-wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px 72px;
}

.tool-wrap h1 {
  margin: 8px 0 18px;
  font-size: clamp(34px, 4.2vw, 52px);
  line-height: 1.06;
}

.tool-lead {
  max-width: 760px;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.68;
}

.tool-meta {
  margin: 0 0 26px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-wrap h2 {
  margin: 54px 0 14px;
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.18;
}

.tool-wrap h3 {
  margin: 30px 0 10px;
  font-size: 20px;
}

.tool-wrap p,
.tool-wrap li {
  color: var(--muted);
  line-height: 1.72;
}

.tool-wrap p {
  margin: 0 0 16px;
  max-width: 76ch;
  font-size: 16.5px;
}

.tool-wrap ul,
.tool-wrap ol {
  margin: 10px 0 24px;
  padding-left: 22px;
  max-width: 76ch;
}

.tool-wrap li {
  margin: 7px 0;
  font-size: 16px;
}

.tool-wrap code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--cream);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
}

.tool-note {
  max-width: 76ch;
  margin: 18px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
  background: var(--cream);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
}

/* ---------------------------------------------------------------- calc box */
.calc {
  margin: 26px 0 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  box-shadow: 0 18px 40px rgba(26, 26, 46, 0.06);
}

.calc__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.calc__grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.calc__grid--two {
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  margin-top: 16px;
}

@media (max-width: 900px) {
  .calc__grid,
  .calc__grid--three {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .calc__grid,
  .calc__grid--three,
  .calc__grid--two {
    grid-template-columns: 1fr;
  }
}

.calc__field label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.calc__field label em {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10.5px;
  font-style: normal;
  letter-spacing: 0;
}

.calc__field input,
.calc__field select {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}

.calc__field input {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.calc__field input:focus,
.calc__field select:focus {
  border-color: var(--gold);
  outline: 2px solid rgba(176, 138, 62, 0.22);
  outline-offset: 1px;
}

.calc__out {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.calc__out--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 760px) {
  .calc__out,
  .calc__out--two {
    grid-template-columns: 1fr;
  }
}

.calc__stat {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--cream);
}

.calc__stat span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.calc__stat strong {
  display: block;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.calc__stat small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.calc__stat--hero {
  background: #fdf7ea;
  border-color: rgba(176, 138, 62, 0.35);
}

.calc__stat--hero strong {
  color: #6b4e22;
  font-size: 32px;
}

/* --------------------------------------------------------- blank diagram */
.bl-figure-wrap {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  margin: 22px 0 0;
}

@media (max-width: 760px) {
  .bl-figure-wrap {
    grid-template-columns: 1fr;
  }
}

.bl-figure {
  width: auto;
  max-width: 260px;
  max-height: 340px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.bl-figure .bl-shape {
  fill: rgba(176, 138, 62, 0.24);
  stroke: var(--ink);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 4 3;
}

.bl-figure text {
  fill: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  text-anchor: middle;
}

.bl-legend {
  margin: 0;
  padding: 0;
  list-style: none;
}

.bl-legend li {
  display: flex;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.55;
}

.bl-legend b {
  min-width: 92px;
  color: var(--ink);
  font-weight: 600;
}

/* ------------------------------------------------------------ tool cards */
.tool-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 26px 0 0;
}

@media (max-width: 760px) {
  .tool-cards {
    grid-template-columns: 1fr;
  }
}

.tool-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.tool-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.tool-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.2;
}

.tool-card span {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

.tool-card em {
  margin-top: 14px;
  color: var(--gold);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ----------------------------------------------------------- cross links */
.tool-cross {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 42px 0 0;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--cream);
}

.tool-cross p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
}

.tool-cross a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid rgba(176, 138, 62, 0.45);
  white-space: nowrap;
}

.tool-cross a:hover {
  border-color: var(--gold);
}

/* --------------------------------------------------------------- numbers */
.tool-wrap .num {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.tool-wrap .table-wrap td.num {
  color: var(--ink);
}

/* FAQ list inside the narrow tool column keeps the site's look */
.tool-wrap .faq-list {
  max-width: 76ch;
}

.tool-wrap .faq-item p {
  max-width: 72ch;
}