/* ===== COST CALC 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);
transition: transform 0.3s ease;
}

.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);
}

.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;
}

/* 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;
}

.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;
    }

    :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 ===== */
    .region-selector-row {
    margin-bottom: 24px;
    }

    #region-profile {
    width: 100%;
    border: none;
    outline: none;
    padding: 14px 18px;
    font-family: var(--ff-body);
    font-size: 1.1rem;
    color: var(--clr-dark);
    background: transparent;
    cursor: pointer;
    }

    .total-cost-row {
    margin-top: 24px;
    border-width: 3px !important;
    }

    #total-estimated-cost {
        font-size: 1.4rem;
        font-weight: bold;
    }

    /* Ensure breakdown rows look consistent */
    #cost-breakdown-list .result-row {
        animation: fadeIn 0.3s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(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;
    }

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

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