/* ===== SCALER PAGE — layout shell ===== */

:root {
  --shadow-soft: 0 8px 24px rgba(43, 34, 23, 0.1);
  --border-input: 2.5px solid var(--clr-primary);
  --radius-pill: 99px;
  --clr-black-accent: #2b2217;
  --input-zone-width: 220px;
}

p.white {
  color: var(--clr-white);
}

.scaler-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

/* Hero */
.scaler-hero h1 {
  font-family: var(--ff-label);
  font-size: 2.2rem;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 12px;
}

.scaler-hero .description {
  font-family: var(--ff-body);
  font-size: 1.25rem;
  color: var(--clr-muted);
  margin-bottom: 32px;
  max-width: 640px;
}

/* Two-column workspace — symmetrical columns on desktop */
.scaler-workspace {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
}

#recipe-input-column,
#calculated-results-column {
  flex: 1 1 0;
  min-width: 0;
  max-width: 520px;
}

#calculated-results-column {
  margin-left: auto;
}

.panel-title {
  font-family: var(--ff-label);
  font-size: 1.85rem;
  font-weight: 400;
  margin-bottom: 24px;
  color: var(--clr-dark);
}

/* Yield input rows */
.yield-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding: 4px 0;
}

.yield-label {
  font-family: var(--ff-body);
  font-size: 1.25rem;
  color: var(--clr-dark);
  flex-shrink: 0;
}

.input-box {
  flex: 0 0 var(--input-zone-width);
  width: var(--input-zone-width);
  max-width: var(--input-zone-width);
  display: flex;
  align-items: center;
  border: var(--border-input);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--clr-white);
  margin-left: auto;
}

.input-box input {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  border: none;
  outline: none;
  font-family: var(--ff-body);
  font-size: 1.1rem;
  color: var(--clr-dark);
  text-align: right;
  background: transparent;
}

.input-box input::-webkit-outer-spin-button,
.input-box input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input-box input[type="number"] {
  -moz-appearance: textfield;
}

.input-divider {
  width: 2px;
  align-self: stretch;
  background: var(--clr-primary);
  flex-shrink: 0;
}

.input-unit {
  padding: 14px 16px 14px 12px;
  font-family: var(--ff-body);
  font-size: 1rem;
  color: var(--clr-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Ingredient entry rows */
.ingredient-list {
  margin-top: 8px;
}

.ingredient-row {
  background-color: var(--clr-white);
  border: 2.5px solid var(--clr-primary);
  border-radius: var(--radius-pill);
  height: 54px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 0 20px;
  overflow: hidden;
}

.ingredient-name {
  flex: 1 1 0;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--ff-body);
  font-size: 1.1rem;
  color: var(--clr-dark);
  padding-right: 8px;
}

.ingredient-name::placeholder {
  color: var(--clr-gray);
  opacity: 0.85;
}

.ingredient-amount-zone {
  flex: 0 0 var(--input-zone-width);
  width: var(--input-zone-width);
  max-width: var(--input-zone-width);
  display: flex;
  align-items: center;
  height: 100%;
  flex-shrink: 0;
  margin-left: auto;
}

.ingredient-divider {
  width: 2px;
  align-self: stretch;
  background-color: var(--clr-primary);
  flex-shrink: 0;
}

.ingredient-amount {
  flex: 1 1 0;
  min-width: 0;
  padding: 14px 18px;
  background: transparent;
  border: none;
  outline: none;
  text-align: right;
  font-family: var(--ff-body);
  font-size: 1.1rem;
  color: var(--clr-dark);
}

.ingredient-amount::placeholder {
  color: var(--clr-gray);
  opacity: 0.85;
}

.ingredient-amount::-webkit-outer-spin-button,
.ingredient-amount::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.ingredient-amount[type="number"] {
  -moz-appearance: textfield;
}

.ingredient-unit {
  font-family: var(--ff-body);
  font-size: 1rem;
  color: var(--clr-muted);
  white-space: nowrap;
  flex-shrink: 0;
  padding: 14px 16px 14px 12px;
}

#add-ingredient-trigger.add-btn {
  cursor: pointer;
  color: var(--clr-dark);
  font-family: var(--ff-body);
  margin-top: 16px;
  display: flex;
  align-items: center;
}

#add-ingredient-trigger.add-btn:hover {
  color: var(--clr-muted);
}

/* Mobile-only primary CTA (layout placeholder — logic added later) */
.scale-recipe-btn {
  display: none;
  width: 100%;
  margin-top: 28px;
  padding: 18px 24px;
  background: var(--clr-primary);
  color: var(--clr-dark);
  font-family: var(--ff-label);
  font-size: 1.35rem;
  border: var(--border-input);
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s, box-shadow 0.2s;
}

.scale-recipe-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 216, 150, 0.5);
}

/* Results card */
.results-card {
  background: var(--clr-white);
  border-radius: 20px;
  padding: 8px 0 4px;
}

.results-card .panel-title {
  margin-bottom: 20px;
}

/* Result rows (from parts/result-box.html) */
.result-row {
  display: flex;
  align-items: center;
  margin-bottom: 14px;
  height: 48px;
  border: 2px solid var(--clr-primary);
  border-radius: 24px;
  overflow: hidden;
}

.result-label {
  background-color: var(--clr-primary);
  color: var(--clr-dark);
  font-family: var(--ff-label);
  font-size: 1.05rem;
  width: 118px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 500;
}

.result-output {
  padding: 0 20px;
  font-family: var(--ff-body);
  font-size: 1.1rem;
  color: var(--clr-dark);
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  background-color: var(--clr-white);
  user-select: all;
  font-weight: 500;
}

/* CTA buttons (from parts/cta-btn.html) */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 50px;
}

.cta-btn {
  font-family: var(--ff-label);
  font-size: 1.4rem;
  padding: 16px 40px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  font-weight: bold;
  box-shadow: var(--shadow-soft);
  transition: all 0.2s;
  flex: 1;
  min-width: 140px;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(255, 216, 150, 0.5);
}

.cta-btn--export {
  background: var(--clr-primary);
  color: var(--clr-white);
  border: 2.5px solid var(--clr-primary);
}

.cta-btn--copy {
  background: var(--clr-white);
  color: var(--clr-dark);
  border: var(--border-input);
}

/* ===== TABLET & MOBILE ≤ 768px ===== */
@media (max-width: 768px) {
  .scaler-page {
    padding: 20px 16px calc(48px + env(safe-area-inset-bottom, 0px));
  }

  .scaler-hero h1 {
    font-size: 1.65rem;
    margin-bottom: 8px;
  }

  .scaler-hero .description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .scaler-workspace {
    flex-direction: column;
    gap: 24px;
  }

  #recipe-input-column,
  #calculated-results-column {
    max-width: 100%;
    width: 100%;
  }

  #calculated-results-column {
    margin-left: 0;
  }

  .panel-title {
    font-size: 1.35rem;
    margin-bottom: 16px;
  }

  .yield-row {
    margin-bottom: 14px;
  }

  .yield-label {
    font-size: 1.05rem;
  }

  :root {
    --input-zone-width: 180px;
  }

  .input-box {
    flex: 0 0 var(--input-zone-width);
    width: var(--input-zone-width);
    max-width: var(--input-zone-width);
  }

  .input-box input {
    padding: 11px 14px;
    font-size: 1rem;
  }

  .input-unit {
    padding: 11px 12px 11px 10px;
    font-size: 0.9rem;
  }

  .ingredient-row {
    height: 52px;
    padding: 0 0 0 14px;
    margin-bottom: 10px;
  }

  .ingredient-name {
    font-size: 1rem;
  }

  .ingredient-amount {
    padding: 11px 14px;
    font-size: 1rem;
  }

  .ingredient-unit {
    padding: 11px 12px 11px 10px;
    font-size: 0.9rem;
  }

  #add-ingredient-trigger.add-btn {
    font-size: 1rem;
    margin-top: 12px;
  }

  .scale-recipe-btn {
    display: block;
    margin-top: 20px;
    padding: 14px 20px;
    font-size: 1.15rem;
  }

  .result-row {
    height: 42px;
    margin-bottom: 10px;
  }

  .result-label {
    width: 100px;
    font-size: 0.92rem;
  }

  .result-output {
    font-size: 0.95rem;
    padding: 0 14px;
  }

  .cta-row {
    margin-top: 20px;
    gap: 10px;
  }

  .cta-btn {
    font-size: 1.1rem;
    padding: 12px 24px;
    min-width: 0;
  }
}

/* ===== SMALL PHONE ≤ 520px ===== */
@media (max-width: 520px) {
  .scaler-page {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  }

  .scaler-hero h1 {
    font-size: 1.45rem;
  }

  .scaler-workspace {
    gap: 18px;
  }

  .yield-row {
    flex-wrap: nowrap;
    gap: 10px;
  }

  :root {
    --input-zone-width: 160px;
  }

  .input-box {
    flex: 0 0 var(--input-zone-width);
    width: var(--input-zone-width);
    max-width: var(--input-zone-width);
  }

  .ingredient-row {
    padding: 0 0 0 12px;
  }

  .ingredient-name {
    font-size: 0.95rem;
  }

  .ingredient-amount {
    font-size: 0.95rem;
  }
  .add-btn h2 {
    font-size: 1rem;
  }
}