/*
 * Real Clear Biogenix — calculator.css
 * Scoped to .rcb-calc-page. Tokens mirror faq.css / quality-control.css exactly.
 */

/* =========================================================
   TOKENS
   ========================================================= */
.rcb-calc-page {
    --v3-dark:       #0a0a0a;
    --v3-navy:       #0a0f1e;
    --v3-navy-2:     #0d1528;
    --v3-light:      #f5f5f5;
    --v3-white:      #ffffff;
    --v3-text:       #111111;
    --v3-muted:      #6b7280;
    --v3-muted-lt:   #9ca3af;
    --v3-blue:       #1e82f0;
    --v3-blue-dk:    #1668cc;
    --v3-blue-lt:    #e6f0fd;
    --v3-border:     #e5e7eb;
    --v3-heading:    'Bebas Neue', 'Impact', 'Arial Narrow', sans-serif;
    --v3-body:       'Inter', system-ui, sans-serif;
    --v3-max:        1200px;
    --v3-px:         40px;
    --v3-radius:     6px;
    --v3-shadow-sm:  0 1px 4px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.05);
    --v3-shadow-md:  0 4px 16px rgba(0,0,0,.1), 0 12px 40px rgba(0,0,0,.08);
}

.rcb-calc-page,
.rcb-calc-page #rcb-main {
    background: var(--v3-light);
    color: var(--v3-text);
    font-family: var(--v3-body);
}

/* =========================================================
   1. HERO — dark background, identical to other pages
   ========================================================= */
.rcb-calc-hero {
    background: linear-gradient(to right, rgba(10,10,10,0.88) 0%, rgba(10,15,30,0.75) 45%, rgba(10,15,30,0.35) 100%),
                url('/wp-content/uploads/2026/06/Gemini-Generated-Image-1.jpg');
    background-size: cover;
    background-position: center;
    padding: 52px var(--v3-px) 72px;
}

.rcb-calc-hero__inner {
    max-width: var(--v3-max);
    margin: 0 auto;
}

/* Breadcrumb */
.rcb-calc-breadcrumb {
    margin-bottom: 40px;
}

.rcb-calc-breadcrumb ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.rcb-calc-breadcrumb li {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--v3-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(255,255,255,.4);
}

.rcb-calc-breadcrumb li a {
    color: rgba(255,255,255,.4);
    text-decoration: none;
    transition: color .15s;
}
.rcb-calc-breadcrumb li a:hover {
    color: rgba(255,255,255,.75);
}

.rcb-calc-breadcrumb li:not(:first-child)::before {
    content: '/';
    color: rgba(255,255,255,.2);
}

/* Badge */
.rcb-calc-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--v3-body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(255,255,255,.5);
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    padding: 6px 16px;
    border-radius: 2px;
    margin-bottom: 20px;
}

/* Heading */
.rcb-calc-hero__heading {
    font-family: var(--v3-heading);
    font-size: clamp(36px, 5.5vw, 76px);
    font-weight: 400;
    line-height: .95;
    letter-spacing: .02em;
    text-transform: uppercase;
    color: #ffffff;
    margin: 0 0 20px;
    max-width: 820px;
}

/* Subtext */
.rcb-calc-hero__sub {
    font-family: var(--v3-body);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.7;
    color: rgba(255,255,255,.55);
    max-width: 520px;
    margin: 0;
}

/* =========================================================
   2. CALCULATOR SECTION — light background, full site width
   ========================================================= */
.rcb-calc-section {
    background: var(--v3-light);
    padding: 72px var(--v3-px) 88px;
}

.rcb-calc-section__inner {
    max-width: var(--v3-max);
    margin: 0 auto;
}

/* Two-column grid: 52% / 48% */
.rcb-calc-grid {
    display: grid;
    grid-template-columns: 52fr 48fr;
    gap: 36px;
    align-items: start;
}

/* ── LEFT: Input column ─────────────────────────── */
.rcb-calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Input cards — white, light border, shadow */
.rcb-calc-card {
    background: var(--v3-white);
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    padding: 28px;
    box-shadow: var(--v3-shadow-sm);
}

/* Card label — blue left border accent */
.rcb-calc-card__label {
    display: flex;
    align-items: center;
    padding-left: 12px;
    border-left: 3px solid var(--v3-blue);
    margin-bottom: 16px;
}

.rcb-calc-card__label span {
    font-family: var(--v3-body);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--v3-blue);
}

/* ── Preset pill buttons ──────────────────────────── */
.rcb-calc-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.rcb-calc-preset-btn {
    padding: 7px 14px;
    border-radius: 20px;
    border: 1px solid var(--v3-border);
    background: transparent;
    font-family: var(--v3-body);
    font-size: 13px;
    font-weight: 700;
    color: var(--v3-muted);
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    line-height: 1;
    white-space: nowrap;
}

.rcb-calc-preset-btn:hover {
    border-color: var(--v3-blue);
    color: var(--v3-blue);
    background: var(--v3-blue-lt);
}

.rcb-calc-preset-btn--active {
    background: var(--v3-blue);
    border-color: var(--v3-blue);
    color: #ffffff;
}

.rcb-calc-preset-btn--active:hover {
    background: var(--v3-blue-dk);
    border-color: var(--v3-blue-dk);
    color: #ffffff;
}

/* "Other" pill — slightly differentiated with dashed border until active */
.rcb-calc-preset-btn--other {
    border-style: dashed;
}

.rcb-calc-preset-btn--other.rcb-calc-preset-btn--active {
    border-style: solid;
}

/* ── Other / custom input panel ───────────────────── */
.rcb-calc-other-wrap {
    margin-bottom: 12px;
    padding: 14px;
    background: #fafafa;
    border: 1px solid var(--v3-border);
    border-radius: var(--v3-radius);
    animation: rcb-slide-in .18s ease;
}

@keyframes rcb-slide-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Input field wrapper */
.rcb-calc-field-wrap {
    position: relative;
    margin-bottom: 0;
}

/* Input — exact match to checkout form fields */
.rcb-calc-input {
    display: block;
    width: 100%;
    height: 46px;
    padding: 0 14px;
    font-family: var(--v3-body);
    font-size: 14px;
    color: var(--v3-text);
    background: var(--v3-white);
    border: 1px solid var(--v3-border);
    border-radius: var(--v3-radius);
    outline: none;
    box-sizing: border-box;
    transition: border-color .15s, box-shadow .15s;
    appearance: none;
    -webkit-appearance: none;
}

.rcb-calc-input::placeholder {
    color: var(--v3-muted-lt);
}

.rcb-calc-input:focus {
    border-color: var(--v3-blue);
    box-shadow: 0 0 0 3px rgba(30,130,240,.12);
}

.rcb-calc-input--error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239,68,68,.1) !important;
}

/* Input with inline unit label */
.rcb-calc-field-wrap--unit .rcb-calc-input {
    padding-right: 106px;
}

.rcb-calc-field-unit {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--v3-body);
    font-size: 13px;
    font-weight: 500;
    color: var(--v3-muted);
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
}

/* Unit toggle (mcg / mg) inside the Other panel */
.rcb-calc-unit-toggle {
    display: flex;
    gap: 6px;
    margin-top: 10px;
}

.rcb-calc-unit-btn {
    padding: 5px 16px;
    border-radius: 20px;
    border: 1px solid var(--v3-border);
    background: transparent;
    font-family: var(--v3-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--v3-muted);
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    line-height: 1;
}

.rcb-calc-unit-btn--active {
    background: var(--v3-blue);
    border-color: var(--v3-blue);
    color: #ffffff;
}

.rcb-calc-unit-btn:hover:not(.rcb-calc-unit-btn--active) {
    border-color: var(--v3-blue);
    color: var(--v3-blue);
}

/* Helper text */
.rcb-calc-helper {
    font-family: var(--v3-body);
    font-size: 12px;
    color: var(--v3-muted);
    line-height: 1.5;
    margin: 0;
}

/* Error message */
.rcb-calc-error {
    font-family: var(--v3-body);
    font-size: 12px;
    color: #ef4444;
    margin: 8px 0 0;
}

/* ── RIGHT: Result column ───────────────────────── */
.rcb-calc-result-col {
    position: sticky;
    top: 110px;
}

/* Result card — light, matching input cards */
.rcb-calc-result-card {
    background: var(--v3-white);
    border: 1px solid #f0f0f0;
    border-radius: 12px;
    padding: 36px 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    box-shadow: var(--v3-shadow-sm);
}

/* YOUR RESULT label */
.rcb-calc-result-label {
    display: block;
    font-family: var(--v3-body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--v3-blue);
}

/* Two-column body: syringe | result data */
.rcb-calc-result-body {
    display: flex;
    gap: 28px;
    align-items: center;
    flex: 1;
}

/* Syringe column */
.rcb-calc-syringe-col {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rcb-syringe-svg {
    width: 130px;
    height: auto;
    display: block;
}

/* Result info column */
.rcb-calc-result-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Empty state */
.rcb-calc-result-empty {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Filled result state */
.rcb-calc-result-data {
    display: flex;
    flex-direction: column;
    animation: rcb-fade-in .3s ease;
}

@keyframes rcb-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Main result number */
.rcb-calc-result-number {
    font-family: var(--v3-heading);
    font-size: clamp(44px, 4.5vw, 62px);
    font-weight: 400;
    line-height: 1;
    letter-spacing: .02em;
    color: var(--v3-navy);
    margin-bottom: 8px;
    white-space: nowrap;
}

.rcb-calc-result-number--empty {
    color: rgba(0,0,0,.10);
    font-size: clamp(52px, 5vw, 72px);
}

/* Description */
.rcb-calc-result-desc {
    font-family: var(--v3-body);
    font-size: 13px;
    line-height: 1.5;
    color: var(--v3-muted);
    margin: 0 0 20px;
}

.rcb-calc-result-desc--empty {
    color: var(--v3-muted-lt);
    font-size: 13px;
    margin: 0;
}

/* Divider */
.rcb-calc-result-divider {
    width: 100%;
    height: 1px;
    background: var(--v3-border);
    margin-bottom: 14px;
}

/* Secondary rows */
.rcb-calc-result-secondary {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rcb-calc-result-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.rcb-calc-result-row__label {
    font-family: var(--v3-body);
    font-size: 12px;
    font-weight: 500;
    color: var(--v3-muted);
}

.rcb-calc-result-row__value {
    font-family: var(--v3-body);
    font-size: 12px;
    font-weight: 600;
    color: var(--v3-text);
    text-align: right;
    white-space: nowrap;
}

/* Reset button */
.rcb-calc-reset-btn {
    width: 100%;
    padding: 9px 20px;
    background: transparent;
    border: 1px solid var(--v3-border);
    border-radius: var(--v3-radius);
    color: var(--v3-muted);
    font-family: var(--v3-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color .15s, color .15s;
    flex-shrink: 0;
}

.rcb-calc-reset-btn:hover {
    border-color: var(--v3-blue);
    color: var(--v3-blue);
}

/* =========================================================
   3. DISCLAIMER — white background, bordered box
   ========================================================= */
.rcb-calc-disclaimer {
    background: var(--v3-white);
    padding: 56px var(--v3-px) 64px;
}

.rcb-calc-disclaimer__inner {
    max-width: var(--v3-max);
    margin: 0 auto;
}

.rcb-calc-disclaimer__box {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    background: #f9fafb;
    border: 1px solid var(--v3-border);
    border-left: 3px solid var(--v3-blue);
    border-radius: 0 6px 6px 0;
}

.rcb-calc-disclaimer__box svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--v3-blue);
}

.rcb-calc-disclaimer__box p {
    font-family: var(--v3-body);
    font-size: 13px;
    line-height: 1.65;
    margin: 0;
    color: var(--v3-muted);
}

/* =========================================================
   MOBILE — single column, full width
   ========================================================= */
@media (max-width: 768px) {
    .rcb-calc-hero {
        padding: 40px 20px 56px;
    }

    .rcb-calc-hero__heading {
        font-size: 38px;
    }

    .rcb-calc-section {
        padding: 48px 20px 64px;
    }

    .rcb-calc-grid {
        grid-template-columns: 1fr;
    }

    .rcb-calc-result-col {
        position: static;
    }

    .rcb-syringe-svg {
        width: 88px;
    }

    .rcb-calc-result-number {
        font-size: clamp(36px, 8vw, 48px);
    }

    .rcb-calc-disclaimer {
        padding: 48px 20px 56px;
    }

    .rcb-calc-preset-btn {
        font-size: 12px;
        padding: 6px 12px;
    }
}