.ratio-calculator {
  text-align: center;
  width: 100%;
  margin: 0 auto;
  font-family: var(--hce-font-body);
  color: var(--hce-text);
  margin-bottom: 1.5em;
}

@media only screen and (min-width: 544px) {
  .ratio-calculator {
    width: 80%;
  }
}

/* ── Utility replacements ───────────────── */
.ratio-calculator .d-none   { display: none !important; }
.ratio-calculator .d-block  { display: block !important; }
.ratio-calculator .d-flex   { display: flex !important; }

.ratio-calculator .flex-row    { flex-direction: row !important; }
.ratio-calculator .flex-column { flex-direction: column !important; }

.ratio-calculator .align-items-center { align-items: center !important; }
.ratio-calculator .justify-content-center { justify-content: center !important; }

.ratio-calculator .invisible { visibility: hidden; }
.ratio-calculator .visible   { visibility: visible; }

.ratio-calculator .mb-1 { margin-bottom: 0.25rem !important; }
.ratio-calculator .mb-2 { margin-bottom: 0.5rem !important; }
.ratio-calculator .pt-2 { padding-top: 0.5rem !important; }

.ratio-calculator .gx-0 { column-gap: 0 !important; }

.ratio-calculator .row {
  display: flex !important;
  flex-wrap: wrap;
}

.ratio-calculator .col {
  flex: 1 0 0%;
  min-width: 0;
}

/* ── Settings / Gear button ───────────────────────────────── */
.calc-settings {
  cursor: pointer;
  position: absolute;
  top: 0;
  right: 0;
  font-size: 1.4rem;
  line-height: 1;
  background-color: var(--hce-cta);
  color: var(--hce-text);
  padding: 0.35rem 0.55rem;
  border-radius: 50%;
  border: none;
  transition: background-color var(--hce-transition), transform var(--hce-transition);
}

.calc-settings::before {
  content: "⚙";
}

.calc-settings:hover,
.calc-settings:focus {
  background-color: var(--hce-accent);
  transform: rotate(30deg);
  outline: none;
}

.calc-method-dropdown {
  display: inline-block;
}

/* ── Brew-method picker panel ─────────────────────────────── */
.calc-method-options {
  position: absolute;
  right: 0;
  background-color: var(--hce-white);
  border: 1px solid var(--hce-border);
  box-shadow: var(--hce-shadow-md);
  border-radius: var(--hce-radius-md);
  overflow: auto;
  z-index: 4;
  color: var(--hce-text);
  margin: auto;
  padding: 0.75rem;
  text-align: left;
  width: 60%;
}

.entry-content .calc-method-options img {
  margin-bottom: 0;
}

.calc-method-options p {
  font-size: 0.9rem;
  color: var(--hce-text-light);
  margin-bottom: 0.5rem;
}

.entry-content .single-method > a,
.entry-content .single-method > a:visited {
  color: var(--hce-text);
  text-decoration: none;
  font-size: 0.85rem;
  display: block;
  text-align: center;
  padding: 0.4rem 0.6rem;
  border-radius: var(--hce-radius-sm);
  transition: background-color var(--hce-transition), color var(--hce-transition);
}

.single-method > a:hover,
.single-method > a:active {
  color: var(--hce-primary);
  background-color: var(--hce-primary-muted);
  text-decoration: none;
}

/* ── Units of measurement selects ────────────────────────── */
.input-measurement,
.water-measurement,
.coffee-measurement {
  background-color: transparent;
  border-radius: var(--hce-radius-lg);
  padding: 0.15rem 0.4rem;
  font-family: var(--hce-font-body);
  cursor: pointer;
  width: fit-content;
}

.input-measurement {
  color: var(--hce-neutral);
  border: 1px solid var(--hce-neutral);
}

.water-measurement,
.coffee-measurement {
  color: var(--hce-text);
  border: 1px solid var(--hce-border);
}

.unit {
  background-color: var(--hce-white);
  color: var(--hce-text);
}

/* ── Top section — input ──────────────────────────────────── */
.calculator-input {
  background-color: var(--hce-primary);
  color: var(--hce-neutral);
  padding: 2.5rem 1.5rem;
  border-top-right-radius: var(--hce-radius-xl);
  border-top-left-radius: var(--hce-radius-xl);
}

.calculator-input label {
  font-size: 0.95rem;
  color: var(--hce-primary-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.calc-title-settings {
  position: relative;
}

.calc-title {
  font-family: var(--hce-font-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.75rem;
  color: var(--hce-neutral);
  margin: 0 2.5rem 0.75rem;
}

.row-input {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

input[type="text"].input-amount {
  width: 25%;
  border: var(--hce-border);
  border-radius: var(--hce-radius-md);
  text-align: center;
  padding: 0.4rem;
  font-size: 1.1rem;
}

input[type="text"].input-amount:focus {
  outline: none;
  border-color: var(--hce-accent);
}

@media only screen and (min-width: 400px) {
  input[type="text"].input-amount {
    width: 20%;
  }
}

/* ── Strength buttons ─────────────────────────────────────── */
.brew-btn {
  border-radius: var(--hce-radius-lg);
  font-size: 0.95rem;
  background-color: transparent;
  color: var(--hce-neutral);
  border: 1px solid rgba(255,255,255,0.2);
  width: 100px;
  cursor: pointer;
  padding: 0.5rem 0.25rem;
  transition: border-color var(--hce-transition), background-color var(--hce-transition);
  line-height: 1.4;
  font-family: var(--hce-font-body);
}

.brew-btn:hover,
.brew-btn:focus {
  border-color: var(--hce-accent);
  background-color: rgba(255,255,255,0.07);
  outline: none;
}

.brew-btn i {
  display: block;
  font-style: normal;
  font-size: 1.6rem;
  color: var(--hce-accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

#brewFPWeaker i::before,
#brewChemWeaker i::before,
#brewV60Weaker i::before  { content: "−"; }

#brewFPStronger i::before,
#brewChemStronger i::before,
#brewV60Stronger i::before { content: "+"; }

.ratio-text {
  padding: 0 1rem;
  font-weight: 600;
  margin: auto;
  color: var(--hce-neutral);
  line-height: 1.5;
  font-size: 0.95rem;
}

@media only screen and (max-width: 420px) {
  .brew-btn {
    width: 120px;
    padding: 0.4rem 0;
    font-size: 0.7rem;
  }

  .ratio-text {
    padding: 0 0.25rem;
  }
}

/* ── Error modals ─────────────────────────────────────────── */
.error-modal {
  position: relative;
  z-index: 4;
  padding-top: 0.75rem;
  width: 100%;
  overflow: auto;
}

.error-content {
  display: inline-block;
  background-color: var(--hce-white);
  color: var(--hce-text);
  border: 1px solid var(--hce-border);
  border-left: 3px solid var(--hce-cta);
  margin: auto;
  padding: 0.5rem 0.75rem;
  border-radius: var(--hce-radius-md);
  width: 60%;
  text-align: left;
}

.entry-content .error-content > p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* ── Close button (×) ─────────────────────────────────────── */
.close-btn {
  color: var(--hce-text-muted);
  float: right;
  font-size: 1.5rem;
  font-weight: bold;
  padding-left: 0.6rem;
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover,
.close-btn:focus {
  color: var(--hce-text);
  text-decoration: none;
}

/* ── Bottom section — output ──────────────────────────────── */
.calculator-output {
  background-color: var(--hce-primary-muted);
  border: 1px solid var(--hce-border);
  border-top: none;
  padding: 1.5rem;
  border-bottom-right-radius: var(--hce-radius-xl);
  border-bottom-left-radius: var(--hce-radius-xl);
  color: var(--hce-text);
}

.ratio-table {
  width: 70%;
  border: none;
  margin: 0 auto 0.5rem;
  border-collapse: collapse;
}

.ratio-table td {
  padding: 0.4rem 0.5rem;
  text-align: left;
  font-size: 1rem;
  border: none;
}

.ratio-table td:first-child {
  color: var(--hce-text-light);
  white-space: nowrap;
}

td.quantity-output {
  width: 30%;
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--hce-primary);
  text-align: center;
}

#waterQuantity,
#coffeeQuantity {
  border-bottom: 2px solid var(--hce-accent);
}

/* ── Tooltip — replaces bi-question-circle ────────────────── */
/* The <i class="bi bi-question-circle tooltip-question"> renders as ? */
.tooltip-question {
  color: var(--hce-secondary);
  cursor: pointer;
  position: relative;
  display: inline-block;
  font-style: normal;
  font-family: var(--hce-font-body);
  font-size: 0.85rem;
  font-weight: bold;
  background-color: var(--hce-primary-muted);
  border: 1px solid var(--hce-secondary);
  border-radius: 50%;
  width: 1.2em;
  height: 1.2em;
  line-height: 1.15em;
  text-align: center;
  vertical-align: middle;
}

.tooltip-question::before {
  content: "?";
}

.tooltip-question > .info-tooltip {
  display: none;
  background-color: var(--hce-primary);
  color: var(--hce-neutral);
  border-radius: var(--hce-radius-md);
  box-shadow: var(--hce-shadow-sm);
  padding: 0.5rem 0.75rem;
  position: absolute;
  z-index: 4;
  width: 250px;
  left: -115px;
  bottom: calc(100% + 10px);
  font-size: 0.85rem;
  font-style: normal;
  text-align: left;
}

.tooltip-question > .info-tooltip::after {
  content: '';
  border-top: 7px solid var(--hce-primary);
  border-right: 7px solid transparent;
  border-left: 7px solid transparent;
  bottom: -7px;
  display: block;
  left: 50%;
  margin-left: -10px;
  position: absolute;
}

.tooltip-question:hover > .info-tooltip,
.tooltip-question:focus > .info-tooltip {
  display: block;
}

@media only screen and (min-width: 330px) and (max-width: 540px) {
  .tooltip-question > .info-tooltip {
    width: 180px;
  }

  .tooltip-question > .info-tooltip::after {
    left: 70%;
  }
}

/* ── Signature / powered-by bar ───────────────────────────── */
.entry-content p.signature-text {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--hce-text-muted);
  margin: auto 0;
}

.entry-content img.signature-logo {
  padding-left: 0.75rem;
  max-height: 40px;
  margin-bottom: 0;
}