/* ── §1.1  CSS Variables ── */
.ak-calculator {
    /* Background & surface */
    --ak-bg-page:        #f4f2fb;
    --ak-bg-card:        #ffffff;
    --ak-bg-input:       #f9f8fc;

    /* Borders */
    --ak-border:         #e8e4f3;
    --ak-border-focus:   #7c3aed;   /* overridden per calculator */

    /* Accent (overridden per calculator) */
    --ak-accent:         #7c3aed;
    --ak-accent-btn:     #ede9fb;   /* add-button background */
    --ak-accent-hover:   #ddd6fe;   /* add-button hover */

    /* Semantic colours */
    --ak-blue:           #3b82f6;
    --ak-blue-lt:        #eff6ff;
    --ak-blue-border:    #bfdbfe;

    --ak-green:          #22c55e;
    --ak-green-lt:       #f0fdf4;
    --ak-green-border:   #bbf7d0;
    --ak-green-dark:     #166534;

    --ak-amber:          #f59e0b;
    --ak-amber-lt:       #fffbeb;
    --ak-amber-border:   #fde68a;

    --ak-red:            #ef4444;
    --ak-red-lt:         #fef2f2;
    --ak-red-border:     #fecaca;
    --ak-red-dark:       #991b1b;

    /* Typography */
    --ak-txt-h:          #1e1b2e;
    --ak-txt-body:       #4b5563;
    --ak-txt-muted:      #6b7280;

    /* Geometry */
    --ak-radius-card:    24px;
    --ak-radius-inner:   14px;
    --ak-radius-sm:      10px;
    --ak-shadow-card:    0 4px 24px rgba(124,58,237,.08), 0 1px 4px rgba(0,0,0,.06);

    /* Layout */
    font-family: 'Plus Jakarta Sans', sans-serif;
    box-sizing: border-box;
    color: var(--ak-txt-h);
    margin: 0 auto;
    padding: 48px 16px 80px;
}

.ak-calculator *,
.ak-calculator *::before,
.ak-calculator *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


/* ── §1.2  Utility classes ── */
.ak-calculator .ak-hidden  { display: none !important; }
.ak-calculator .ak-fade-in { animation: akFadeIn .3s ease; }

@keyframes akFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ── §1.3  Back link ── */
.ak-calculator .ak-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .875rem;
    font-weight: 500;
    color: var(--ak-txt-body);
    text-decoration: none;
    margin-bottom: 28px;
    transition: color .18s;
}
.ak-calculator .ak-back-link:hover { color: var(--ak-txt-h); }
.ak-calculator .ak-back-link svg   { flex-shrink: 0; }


/* ── §1.4  Hero ── */
.ak-calculator .ak-hero {
    text-align: center;
    margin-bottom: 40px;
}
.ak-calculator .ak-hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 24px;
    margin-bottom: 24px;
    /* gradient overridden per calculator */
    background: linear-gradient(135deg, #7c3aed, #ec4899);
    box-shadow: 0 8px 24px rgba(124,58,237,.30);
}
.ak-calculator .ak-hero-icon svg { color: #fff; }

.ak-calculator .ak-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 12px;
    line-height: 1.15;
}
.ak-calculator .ak-hero p {
    font-size: 1.05rem;
    color: var(--ak-txt-body);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.6;
}


/* ── §1.5  Card ── */
.ak-calculator .ak-card {
    background: var(--ak-bg-card);
    border: 1px solid var(--ak-border);
    border-radius: var(--ak-radius-card);
    box-shadow: var(--ak-shadow-card);
    padding: 32px;
    margin-bottom: 28px;
}
.ak-calculator .ak-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.ak-calculator .ak-card-title svg { color: var(--ak-accent); }


/* ── §1.6  Field (label + input/select) ── */
.ak-calculator .ak-field label {
    display: block;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--ak-txt-body);
    margin-bottom: 8px;
    letter-spacing: .01em;
}
.ak-calculator select,
.ak-calculator input[type="text"],
.ak-calculator input[type="number"] {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--ak-border);
    border-radius: var(--ak-radius-sm);
    background: var(--ak-bg-input);
    font-family: inherit;
    font-size: .9375rem;
    color: var(--ak-txt-h);
    outline: none;
    transition: border-color .18s, box-shadow .18s;
    appearance: none;
    -webkit-appearance: none;
}
.ak-calculator select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 38px;
    cursor: pointer;
}
.ak-calculator select:focus,
.ak-calculator input:focus {
    border-color: var(--ak-border-focus);
    box-shadow: 0 0 0 3px rgba(124,58,237,.12);
    background: #fff;
}


/* ── §1.7  Buttons ── */

/* Add button */
.ak-calculator .ak-btn-add {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--ak-accent-btn);
    color: var(--ak-accent);
    border: none;
    border-radius: var(--ak-radius-sm);
    font-family: inherit;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s;
    white-space: nowrap;
}
.ak-calculator .ak-btn-add:hover { background: var(--ak-accent-hover); }

/* Delete button */
.ak-calculator .ak-btn-del {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 10px;
    background: #fee2e2;
    color: #dc2626;
    border: none;
    border-radius: var(--ak-radius-sm);
    cursor: pointer;
    transition: background .18s;
    flex-shrink: 0;
    align-self: flex-end;
}
.ak-calculator .ak-btn-del:hover { background: #fecaca; }

/* Copy button */
.ak-calculator .ak-btn-copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: #fff;
    border: 1.5px solid var(--ak-border);
    border-radius: var(--ak-radius-sm);
    font-family: inherit;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--ak-txt-body);
    cursor: pointer;
    transition: background .18s, color .18s, border-color .18s;
    white-space: nowrap;
}
.ak-calculator .ak-btn-copy:hover  { background: #f3f4f6; }
.ak-calculator .ak-btn-copy.ak-copied {
    color: #16a34a;
    border-color: #bbf7d0;
    background: #f0fdf4;
}


/* ── §1.8  Person / Room input block ── */
.ak-calculator .ak-person-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 24px;
}
.ak-calculator .ak-person-block {
    background: #fafafa;
    border: 1.5px solid var(--ak-border);
    border-radius: var(--ak-radius-inner);
    padding: 18px;
}
.ak-calculator .ak-person-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: end;
}
.ak-calculator .ak-income-wrap {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}
.ak-calculator .ak-income-wrap input { flex: 1; min-width: 0; }


/* ── §1.9  Sub-header row (section label + action button) ── */
.ak-calculator .ak-sub-hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}
.ak-calculator .ak-sub-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    display: flex;
    align-items: center;
    gap: 8px;
}
.ak-calculator .ak-sub-title svg { color: var(--ak-txt-body); }


/* ── §1.10  Summary box ── */
.ak-calculator .ak-summary {
    background: #f3f4f6;
    border: 1.5px solid #d1d5db;
    border-radius: var(--ak-radius-inner);
    padding: 16px 20px;
}
.ak-calculator .ak-sum-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .9rem;
    color: var(--ak-txt-body);
}
.ak-calculator .ak-sum-row + .ak-sum-row { margin-top: 6px; }
.ak-calculator .ak-sum-row.ak-main {
    font-weight: 700;
    color: var(--ak-txt-h);
    font-size: 1rem;
}
.ak-calculator .ak-sum-row.ak-main .ak-val { font-size: 1.15rem; font-weight: 700; }
.ak-calculator .ak-sum-row .ak-val { font-weight: 600; }


/* ── §1.11  Shared section-header row (title + Clear All button)
            Used by: income split sec 1, income split sec 3,
                     rental split sec 1, rental split sec 4  ── */
.ak-calculator .ak-is-sec-hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 24px;
}

/* "Clear All" – red ghost button */
.ak-calculator .ak-is-btn-clear {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: #fff1f2;
    color: #dc2626;
    border: 1.5px solid #fecaca;
    border-radius: var(--ak-radius-sm);
    font-family: inherit;
    font-size: .8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s;
    white-space: nowrap;
    flex-shrink: 0;
}
.ak-calculator .ak-is-btn-clear:hover { background: #fee2e2; }


/* ── §1.12  Results-section header row (title + Copy button)
            Used by: income split sec 2,
                     rental split sec 2 & sec 3  ── */
.ak-calculator .ak-is-res-hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.ak-calculator .ak-is-res-hdr h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    display: flex;
    align-items: center;
    gap: 10px;
}


/* ── §1.13  Empty-state paragraph ── */
.ak-calculator .ak-is-empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--ak-txt-body);
    font-size: .9375rem;
    line-height: 1.5;
}


/* ── §1.14  Bill add-form (shared by income split sec 3 and rental split sec 4) ── */
.ak-calculator .ak-is-bill-form {
    margin-bottom: 8px;
}
.ak-calculator .ak-is-bill-inputs {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
    align-items: end;
}
/* "Calculate Split" button */
.ak-calculator .ak-is-btn-calc {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--ak-accent), var(--ak-accent));
    color: #fff;
    border: none;
    border-radius: var(--ak-radius-inner);
    font-family: inherit;
    font-size: .9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .18s;
    white-space: nowrap;
}
.ak-calculator .ak-is-btn-calc:hover:not(:disabled) { opacity: .85; }
.ak-calculator .ak-is-btn-calc:disabled {
    opacity: .4;
    cursor: not-allowed;
}


/* ─────────────────────────────────────────────────────────────
   END §1  SHARED BASE
───────────────────────────────────────────────────────────── */


/* ═══════════════════════════════════════════════════════════════
   §2  BUDGET CALCULATOR  –  #ak-budget-calculator
═══════════════════════════════════════════════════════════════ */

/* ── §2.1  Theme variables ── */
#ak-budget-calculator {
    --ak-border:        #e8e4f3;
    --ak-border-focus:  #7c3aed;
    --ak-bg-input:      #f9f8fc;

    --ak-accent:        #7c3aed;
    --ak-accent-btn:    #ede9fb;
    --ak-accent-hover:  #ddd6fe;

    /* Extra budget-specific tokens */
    --ak-purple:        #7c3aed;
    --ak-purple-dark:   #5b21b6;
}

#ak-budget-calculator .ak-hero-icon {
    background: linear-gradient(135deg, #7c3aed, #ec4899);
    box-shadow: 0 8px 24px rgba(124,58,237,.30);
}


/* ── §2.2  Card variants ── */
#ak-budget-calculator .ak-card-blue {
    background: linear-gradient(135deg, #eff6ff 0%, #eef2ff 100%);
    border-color: var(--ak-blue-border);
}
#ak-budget-calculator .ak-card-amber {
    background: linear-gradient(135deg, #fffbeb 0%, #fff7ed 100%);
    border-color: var(--ak-amber-border);
}


/* ── §2.3  Form row (2-column grid) ── */
#ak-budget-calculator .ak-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}


/* ── §2.4  Children input ── */
#ak-budget-calculator .ak-children-wrap { margin-bottom: 24px; }
#ak-budget-calculator .ak-children-wrap label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--ak-txt-body);
    margin-bottom: 8px;
}
#ak-budget-calculator .ak-children-wrap input { max-width: 240px; }
#ak-budget-calculator .ak-children-note {
    font-size: .8125rem;
    color: var(--ak-txt-muted);
    margin-top: 6px;
    display: none;
}


/* ── §2.5  Budget section header (bud-hdr) ── */
#ak-budget-calculator .ak-bud-hdr {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
#ak-budget-calculator .ak-bud-hdr h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    display: flex;
    align-items: center;
    gap: 10px;
}
#ak-budget-calculator .ak-bud-hdr p {
    font-size: .875rem;
    color: var(--ak-txt-body);
    margin-top: 4px;
}


/* ── §2.6  Metric cards (needs / wants / savings) ── */
#ak-budget-calculator .ak-metric-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 16px;
}
#ak-budget-calculator .ak-metric {
    background: var(--ak-bg-card);
    border-radius: var(--ak-radius-inner);
    padding: 20px;
    border: 1.5px solid var(--ak-border);
}
#ak-budget-calculator .ak-metric.ak-needs   { border-color: var(--ak-blue-border); }
#ak-budget-calculator .ak-metric.ak-wants   { border-color: #e9d5ff; }
#ak-budget-calculator .ak-metric.ak-savings { border-color: var(--ak-green-border); }

#ak-budget-calculator .ak-metric-lbl {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .875rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 10px;
}
#ak-budget-calculator .ak-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    flex-shrink: 0;
}
#ak-budget-calculator .ak-dot-blue   { background: var(--ak-blue); }
#ak-budget-calculator .ak-dot-purple { background: var(--ak-purple); }
#ak-budget-calculator .ak-dot-green  { background: var(--ak-green); }

#ak-budget-calculator .ak-metric-amt {
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
}
#ak-budget-calculator .ak-metric.ak-needs   .ak-metric-amt { color: var(--ak-blue); }
#ak-budget-calculator .ak-metric.ak-wants   .ak-metric-amt { color: var(--ak-purple); }
#ak-budget-calculator .ak-metric.ak-savings .ak-metric-amt { color: var(--ak-green); }

#ak-budget-calculator .ak-metric-pct {
    font-size: .8125rem;
    color: var(--ak-txt-muted);
}
#ak-budget-calculator .ak-metric-diff {
    font-size: .75rem;
    font-weight: 600;
    margin-top: 8px;
}
#ak-budget-calculator .ak-metric-diff.ak-pos { color: var(--ak-amber); }
#ak-budget-calculator .ak-metric-diff.ak-neg { color: var(--ak-txt-muted); }


/* ── §2.7  Horizontal segmented progress bar ── */
#ak-budget-calculator .ak-prog-wrap {
    background: var(--ak-bg-card);
    border-radius: var(--ak-radius-inner);
    padding: 14px;
}
#ak-budget-calculator .ak-prog-bar {
    display: flex;
    height: 48px;
    border-radius: 10px;
    overflow: hidden;
}
#ak-budget-calculator .ak-seg {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .875rem;
    font-weight: 700;
    color: #fff;
    transition: width .4s ease;
    min-width: 0;
    overflow: hidden;
}
#ak-budget-calculator .ak-seg-blue   { background: var(--ak-blue); }
#ak-budget-calculator .ak-seg-purple { background: var(--ak-purple); }
#ak-budget-calculator .ak-seg-green  { background: var(--ak-green); }


/* ── §2.8  Family info box ── */
#ak-budget-calculator .ak-info-box {
    background: var(--ak-bg-card);
    border: 1.5px solid var(--ak-amber-border);
    border-radius: var(--ak-radius-inner);
    padding: 16px 18px;
    margin-bottom: 22px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
#ak-budget-calculator .ak-info-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
#ak-budget-calculator .ak-info-box p {
    font-size: .875rem;
    color: var(--ak-txt-body);
    line-height: 1.55;
}


/* ── §2.9  Actual spending fields ── */
#ak-budget-calculator .ak-spend-field { margin-bottom: 22px; }
#ak-budget-calculator .ak-spend-field label {
    display: block;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--ak-txt-body);
    margin-bottom: 8px;
}
#ak-budget-calculator .ak-diff {
    display: none;
    align-items: center;
    gap: 6px;
    font-size: .875rem;
    font-weight: 600;
    margin-top: 6px;
}
#ak-budget-calculator .ak-diff.ak-show     { display: flex; }
#ak-budget-calculator .ak-diff.ak-over     { color: var(--ak-red); }
#ak-budget-calculator .ak-diff.ak-under    { color: var(--ak-green); }
#ak-budget-calculator .ak-diff.ak-undergol { color: var(--ak-red); }
#ak-budget-calculator .ak-diff-icon { font-size: .9rem; }
#ak-budget-calculator .ak-diff-txt  { font-size: .875rem; }


/* ── §2.10  Remaining budget box ── */
#ak-budget-calculator .ak-remaining {
    border-radius: var(--ak-radius-inner);
    padding: 16px 20px;
    display: none;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 12px;
}
#ak-budget-calculator .ak-remaining.ak-ok {
    background: var(--ak-green-lt);
    border: 1.5px solid var(--ak-green-border);
}
#ak-budget-calculator .ak-remaining.ak-bad {
    background: var(--ak-red-lt);
    border: 1.5px solid var(--ak-red-border);
}
#ak-budget-calculator .ak-remaining span { font-size: .9375rem; font-weight: 600; }
#ak-budget-calculator .ak-remaining.ak-ok  span { color: var(--ak-green-dark); }
#ak-budget-calculator .ak-remaining.ak-bad span { color: var(--ak-red-dark); }
#ak-budget-calculator .ak-rem-val { font-size: 1.15rem; font-weight: 700; }


/* ── §2.11  Tips / smart-money box ── */
#ak-budget-calculator .ak-tips {
    border-radius: var(--ak-radius-inner);
    padding: 20px;
    border: 1.5px solid;
    display: none;
}
#ak-budget-calculator .ak-tips.ak-ok {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border-color: var(--ak-green-border);
}
#ak-budget-calculator .ak-tips.ak-bad {
    background: linear-gradient(135deg, #fef2f2, #fff7ed);
    border-color: var(--ak-red-border);
}
#ak-budget-calculator .ak-tips-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
#ak-budget-calculator .ak-tips-emoji { font-size: 1.5rem; flex-shrink: 0; }
#ak-budget-calculator .ak-tips-head h3 { font-size: 1rem; font-weight: 700; }
#ak-budget-calculator .ak-tips.ak-ok  .ak-tips-head h3 { color: var(--ak-green-dark); }
#ak-budget-calculator .ak-tips.ak-bad .ak-tips-head h3 { color: var(--ak-red-dark); }
#ak-budget-calculator .ak-tips-desc {
    font-size: .875rem;
    margin-bottom: 14px;
    padding-left: 42px;
    line-height: 1.55;
}
#ak-budget-calculator .ak-tips.ak-ok  .ak-tips-desc { color: #166534; }
#ak-budget-calculator .ak-tips.ak-bad .ak-tips-desc { color: #991b1b; }
#ak-budget-calculator .ak-tips-list {
    list-style: none;
    padding-left: 42px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
#ak-budget-calculator .ak-tips-list li {
    font-size: .875rem;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
#ak-budget-calculator .ak-tips.ak-ok  .ak-tips-list li { color: #15803d; }
#ak-budget-calculator .ak-tips.ak-bad .ak-tips-list li { color: #b91c1c; }
#ak-budget-calculator .ak-tip-dot { flex-shrink: 0; margin-top: 4px; font-size: .8rem; }


/* ── §2.12  Budget calculator CTA banner ── */
#ak-budget-calculator .ak-cta {
    background: linear-gradient(135deg, #2563eb 0%, #0d9488 100%);
    border-radius: var(--ak-radius-card);
    box-shadow: var(--ak-shadow-card);
    padding: 40px 32px;
    margin-bottom: 28px;
    text-align: center;
}
#ak-budget-calculator .ak-cta h3 {
    font-size: clamp(1.4rem, 3vw, 1.875rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    line-height: 1.2;
}
#ak-budget-calculator .ak-cta p {
    font-size: 1.05rem;
    color: #dbeafe;
    max-width: 580px;
    margin: 0 auto 24px;
    line-height: 1.65;
}
#ak-budget-calculator .ak-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: #ffffff;
    color: #2563eb;
    border-radius: var(--ak-radius-inner);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0,0,0,.15);
    transition: background .18s, transform .18s;
}
#ak-budget-calculator .ak-cta-btn:hover {
    background: #eff6ff;
    transform: translateY(-1px);
}
#ak-budget-calculator .ak-cta-btn svg { flex-shrink: 0; }


/* ─────────────────────────────────────────────────────────────
   END §2  BUDGET CALCULATOR
───────────────────────────────────────────────────────────── */


/* ═══════════════════════════════════════════════════════════════
   §3  INCOME SPLIT CALCULATOR  –  #ak-income-split
═══════════════════════════════════════════════════════════════ */

/* ── §3.1  Green theme variables ── */
#ak-income-split {
    --ak-bg-page:       #f0fdf4;
    --ak-border-focus:  #16a34a;
    --ak-accent:        #16a34a;
    --ak-accent-btn:    #dcfce7;
    --ak-accent-hover:  #bbf7d0;
}

#ak-income-split .ak-hero-icon {
    background: linear-gradient(135deg, #16a34a, #0d9488);
    box-shadow: 0 8px 24px rgba(22,163,74,.30);
}

/* Focus ring override */
#ak-income-split select:focus,
#ak-income-split input:focus {
    border-color: #16a34a;
    box-shadow: 0 0 0 3px rgba(22,163,74,.12);
}


/* ── §3.2  Currency selector – constrained width ── */
#ak-income-split .ak-is-currency-wrap {
    margin-bottom: 24px;
    max-width: 280px;
}


/* ── §3.3  Calculate Split button – green gradient ── */
#ak-income-split .ak-is-btn-calc {
    background: linear-gradient(135deg, #16a34a, #0d9488);
    box-shadow: 0 4px 12px rgba(22,163,74,.25);
}


/* ── §3.4  Results card (Section 2) ── */
#ak-income-split .ak-is-results-card {
    background: linear-gradient(135deg, #f0fdf4 0%, #f0fdfa 100%);
    border-color: #bbf7d0;
}


/* ── §3.5  Results list ── */
#ak-income-split .ak-is-results-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Individual person result card */
#ak-income-split .ak-is-person-result {
    background: var(--ak-bg-card);
    border: 1.5px solid #bbf7d0;
    border-radius: var(--ak-radius-inner);
    padding: 20px;
}
#ak-income-split .ak-is-result-hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}
#ak-income-split .ak-is-result-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 4px;
}
#ak-income-split .ak-is-result-salary {
    font-size: .8125rem;
    color: var(--ak-txt-muted);
}
#ak-income-split .ak-is-pct-wrap { text-align: right; flex-shrink: 0; }
#ak-income-split .ak-is-pct {
    font-size: 1.875rem;
    font-weight: 700;
    color: #16a34a;
    line-height: 1;
}
#ak-income-split .ak-is-pct-label {
    font-size: .8125rem;
    color: var(--ak-txt-muted);
    margin-top: 3px;
}


/* ── §3.6  Progress bar (thin, green) ── */
#ak-income-split .ak-is-prog-track {
    background: #e5e7eb;
    border-radius: 999px;
    height: 12px;
    overflow: hidden;
}
#ak-income-split .ak-is-prog-fill {
    background: linear-gradient(90deg, #16a34a, #0d9488);
    height: 100%;
    border-radius: 999px;
    transition: width .5s ease;
}


/* ── §3.7  Bill section – bills list, bill card, split rows ── */
#ak-income-split .ak-is-bills-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
}

#ak-income-split .ak-is-bill-card {
    background: linear-gradient(135deg, #f0fdf4 0%, #f0fdfa 100%);
    border: 1.5px solid #bbf7d0;
    border-radius: var(--ak-radius-inner);
    padding: 24px;
}
#ak-income-split .ak-is-bill-card-hdr {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}
#ak-income-split .ak-is-bill-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 4px;
}
#ak-income-split .ak-is-bill-total {
    font-size: 1.5rem;
    font-weight: 700;
    color: #16a34a;
}

/* Remove-bill button */
#ak-income-split .ak-is-btn-del-bill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    background: #fee2e2;
    color: #dc2626;
    border: none;
    border-radius: var(--ak-radius-sm);
    cursor: pointer;
    flex-shrink: 0;
    transition: background .18s;
}
#ak-income-split .ak-is-btn-del-bill:hover { background: #fecaca; }

/* Per-person split rows inside a bill card */
#ak-income-split .ak-is-bill-splits {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#ak-income-split .ak-is-split-row {
    background: var(--ak-bg-card);
    border: 1.5px solid #bbf7d0;
    border-radius: var(--ak-radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
#ak-income-split .ak-is-split-name {
    font-size: .9375rem;
    font-weight: 600;
    color: var(--ak-txt-h);
    margin-bottom: 2px;
}
#ak-income-split .ak-is-split-pct {
    font-size: .8rem;
    color: var(--ak-txt-muted);
}
#ak-income-split .ak-is-split-amt {
    font-size: 1.2rem;
    font-weight: 700;
    color: #16a34a;
    flex-shrink: 0;
}


/* ── §3.8  Total Summary block (2+ bills) ── */
#ak-income-split .ak-is-total-summary {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border: 2px solid #93c5fd;
    border-radius: var(--ak-radius-inner);
    padding: 24px;
}
#ak-income-split .ak-is-summary-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
#ak-income-split .ak-is-summary-grand {
    background: rgba(255,255,255,.18);
    border-radius: var(--ak-radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}
#ak-income-split .ak-is-summary-grand span:first-child {
    font-size: .9375rem;
    font-weight: 600;
    color: #fff;
}
#ak-income-split .ak-is-grand-val {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
#ak-income-split .ak-is-summary-rows {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#ak-income-split .ak-is-summary-row {
    background: var(--ak-bg-card);
    border: 1.5px solid #bfdbfe;
    border-radius: var(--ak-radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
#ak-income-split .ak-is-summary-row-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ak-txt-h);
    margin-bottom: 2px;
}
#ak-income-split .ak-is-summary-row-pct {
    font-size: .8rem;
    color: var(--ak-txt-muted);
}
#ak-income-split .ak-is-summary-row-amt {
    font-size: 1.35rem;
    font-weight: 700;
    color: #2563eb;
    flex-shrink: 0;
}


/* ── §3.9  CTA banner (inside bill section) ── */
#ak-income-split .ak-is-bill-cta {
    background: linear-gradient(135deg, #2563eb 0%, #0d9488 100%);
    border-radius: var(--ak-radius-card);
    padding: 40px 32px;
    text-align: center;
    margin-top: 1.5rem;
}
#ak-income-split .ak-is-bill-cta h3 {
    font-size: clamp(1.3rem, 3vw, 1.75rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.2;
}
#ak-income-split .ak-is-bill-cta p {
    font-size: .9375rem;
    color: #dbeafe;
    max-width: 520px;
    margin: 0 auto 24px;
    line-height: 1.65;
}
#ak-income-split .ak-is-bill-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: #ffffff;
    color: #2563eb;
    border-radius: var(--ak-radius-inner);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0,0,0,.18);
    transition: background .18s, transform .18s;
}
#ak-income-split .ak-is-bill-cta-btn:hover {
    background: #eff6ff;
    transform: translateY(-2px);
}
#ak-income-split .ak-is-bill-cta-btn svg { flex-shrink: 0; }


/* ─────────────────────────────────────────────────────────────
   END §3  INCOME SPLIT
───────────────────────────────────────────────────────────── */


/* ═══════════════════════════════════════════════════════════════
   §4  RENTAL SPLIT CALCULATOR  –  #ak-rental-split
═══════════════════════════════════════════════════════════════ */

/* ── §4.1  Blue/cyan theme variables ── */
#ak-rental-split {
    --ak-bg-page:       #eff6ff;
    --ak-border-focus:  #2563eb;
    --ak-accent:        #2563eb;
    --ak-accent-btn:    #dbeafe;
    --ak-accent-hover:  #bfdbfe;
}

#ak-rental-split .ak-hero-icon {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    box-shadow: 0 8px 24px rgba(59,130,246,.28);
}

/* Focus ring override */
#ak-rental-split select:focus,
#ak-rental-split input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}


/* ── §4.2  4-column top grid (rent / property size / unit / currency) ── */
#ak-rental-split .ak-rs-top-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}


/* ── §4.3  Room row – 3-column grid (name / size / occupants+del) ── */
#ak-rental-split .ak-rs-room-fields {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 14px;
    align-items: end;
}


/* ── §4.4  Calculate Split button – blue gradient ── */
#ak-rental-split .ak-is-btn-calc {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    box-shadow: 0 4px 12px rgba(59,130,246,.25);
}


/* ── §4.5  Section 2: Rent Distribution card ── */
#ak-rental-split .ak-rs-dist-card {
    background: linear-gradient(135deg, #eff6ff 0%, #ecfeff 100%);
    border-color: #bfdbfe;
}


/* ── §4.6  Shared-space info box (cyan tint) ── */
#ak-rental-split .ak-rs-shared-box {
    background: #ecfeff;
    border: 1.5px solid #a5f3fc;
    border-radius: var(--ak-radius-inner);
    padding: 16px 18px;
    margin-bottom: 18px;
}
#ak-rental-split .ak-rs-shared-box h3 {
    font-size: .9375rem;
    font-weight: 700;
    color: #0e7490;
    margin-bottom: 8px;
}
#ak-rental-split .ak-rs-shared-box p {
    font-size: .8125rem;
    color: #0891b2;
    line-height: 1.55;
    margin-bottom: 6px;
}
#ak-rental-split .ak-rs-shared-box p:last-child { margin-bottom: 0; }


/* ── §4.7  Room result cards ── */
#ak-rental-split .ak-rs-room-result {
    background: var(--ak-bg-card);
    border: 1.5px solid #bfdbfe;
    border-radius: var(--ak-radius-inner);
    padding: 20px;
    margin-bottom: 14px;
}
#ak-rental-split .ak-rs-room-result:last-of-type { margin-bottom: 0; }

#ak-rental-split .ak-rs-result-hdr {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
#ak-rental-split .ak-rs-result-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 3px;
}
#ak-rental-split .ak-rs-result-meta {
    font-size: .8125rem;
    color: var(--ak-txt-muted);
    margin-bottom: 2px;
}
#ak-rental-split .ak-rs-result-shared {
    font-size: .75rem;
    color: #6b7280;
    margin-top: 3px;
}
#ak-rental-split .ak-rs-result-right { text-align: right; flex-shrink: 0; }
#ak-rental-split .ak-rs-result-amt {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    line-height: 1;
    margin-bottom: 3px;
}
#ak-rental-split .ak-rs-result-pct {
    font-size: .8125rem;
    color: var(--ak-txt-muted);
}


/* ── §4.8  Progress bar (thin, blue/cyan) ── */
#ak-rental-split .ak-rs-prog-track {
    background: #e5e7eb;
    border-radius: 999px;
    height: 12px;
    overflow: hidden;
    margin-bottom: 12px;
}
#ak-rental-split .ak-rs-prog-fill {
    background: linear-gradient(90deg, #3b82f6, #06b6d4);
    height: 100%;
    border-radius: 999px;
    transition: width .5s ease;
}


/* ── §4.9  Per-person row (inside room result card) ── */
#ak-rental-split .ak-rs-per-person {
    background: #eff6ff;
    border-radius: var(--ak-radius-sm);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
#ak-rental-split .ak-rs-per-person span:first-child {
    font-size: .875rem;
    font-weight: 600;
    color: #1e40af;
}
#ak-rental-split .ak-rs-pp-val {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1e3a8a;
    flex-shrink: 0;
}


/* ── §4.10  Inner feature-list CTA (bottom of Section 2) ── */
#ak-rental-split .ak-rs-inner-cta {
    background: linear-gradient(135deg, #eff6ff 0%, #ecfeff 100%);
    border: 1.5px solid #bfdbfe;
    border-radius: var(--ak-radius-inner);
    padding: 24px;
    margin-top: 24px;
}
#ak-rental-split .ak-rs-inner-cta h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 8px;
    text-align: center;
}
#ak-rental-split .ak-rs-inner-cta > p {
    font-size: .875rem;
    color: var(--ak-txt-body);
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.55;
}
#ak-rental-split .ak-rs-feat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}
#ak-rental-split .ak-rs-feat-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: .8125rem;
    color: var(--ak-txt-body);
    line-height: 1.45;
}
#ak-rental-split .ak-rs-feat-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #dbeafe;
    flex-shrink: 0;
    margin-top: 1px;
}
#ak-rental-split .ak-rs-feat-check svg { color: #2563eb; }
#ak-rental-split .ak-rs-inner-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #fff;
    border: none;
    border-radius: var(--ak-radius-inner);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(59,130,246,.30);
    transition: opacity .18s, transform .18s;
}
#ak-rental-split .ak-rs-inner-cta-btn:hover {
    opacity: .88;
    transform: translateY(-1px);
}


/* ── §4.11  Section 3: Utility Bill Percentages card ── */
#ak-rental-split .ak-rs-pct-card {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border-color: #bbf7d0;
}

#ak-rental-split .ak-rs-pct-list-wrap {
    background: var(--ak-bg-card);
    border: 1.5px solid #bbf7d0;
    border-radius: var(--ak-radius-inner);
    padding: 20px;
    margin-bottom: 16px;
}
#ak-rental-split .ak-rs-pct-intro {
    font-size: .875rem;
    color: var(--ak-txt-body);
    margin-bottom: 14px;
    line-height: 1.55;
}
#ak-rental-split .ak-rs-pct-rows {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#ak-rental-split .ak-rs-pct-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: #f0fdf4;
    border-radius: var(--ak-radius-sm);
    padding: 10px 14px;
}
#ak-rental-split .ak-rs-pct-row-name {
    font-size: .9375rem;
    font-weight: 600;
    color: var(--ak-txt-h);
}
#ak-rental-split .ak-rs-pct-row-val {
    font-size: 1.15rem;
    font-weight: 700;
    color: #16a34a;
    flex-shrink: 0;
}

/* How-to steps box */
#ak-rental-split .ak-rs-howto {
    background: #ecfdf5;
    border: 1.5px solid #6ee7b7;
    border-radius: var(--ak-radius-inner);
    padding: 18px 20px;
}
#ak-rental-split .ak-rs-howto h3 {
    font-size: .9375rem;
    font-weight: 700;
    color: #065f46;
    margin-bottom: 10px;
}
#ak-rental-split .ak-rs-howto ol {
    list-style: decimal;
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
#ak-rental-split .ak-rs-howto ol li {
    font-size: .8125rem;
    color: #047857;
    line-height: 1.5;
}


/* ── §4.12  Section 4: Split a Bill output ── */
#ak-rental-split .ak-rs-bills-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
}

/* Individual bill card */
#ak-rental-split .ak-rs-bill-card {
    background: linear-gradient(135deg, #eff6ff 0%, #ecfeff 100%);
    border: 1.5px solid #bfdbfe;
    border-radius: var(--ak-radius-inner);
    padding: 24px;
}
#ak-rental-split .ak-rs-bill-card-hdr {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}
#ak-rental-split .ak-rs-bill-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 4px;
}
#ak-rental-split .ak-rs-bill-total {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

/* Remove-bill button */
#ak-rental-split .ak-rs-btn-del-bill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    background: #fee2e2;
    color: #dc2626;
    border: none;
    border-radius: var(--ak-radius-sm);
    cursor: pointer;
    flex-shrink: 0;
    transition: background .18s;
}
#ak-rental-split .ak-rs-btn-del-bill:hover { background: #fecaca; }

/* Per-room split rows inside bill card */
#ak-rental-split .ak-rs-bill-splits {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#ak-rental-split .ak-rs-split-row {
    background: var(--ak-bg-card);
    border: 1.5px solid #bfdbfe;
    border-radius: var(--ak-radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
#ak-rental-split .ak-rs-split-name {
    font-size: .9375rem;
    font-weight: 600;
    color: var(--ak-txt-h);
    margin-bottom: 2px;
}
#ak-rental-split .ak-rs-split-pct {
    font-size: .8rem;
    color: var(--ak-txt-muted);
}
#ak-rental-split .ak-rs-split-amt {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2563eb;
    flex-shrink: 0;
}


/* ── §4.13  Total Summary block (2+ bills) ── */
#ak-rental-split .ak-rs-total-summary {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border: 2px solid #93c5fd;
    border-radius: var(--ak-radius-inner);
    padding: 24px;
}
#ak-rental-split .ak-rs-summary-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
#ak-rental-split .ak-rs-summary-grand {
    background: rgba(255,255,255,.18);
    border-radius: var(--ak-radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}
#ak-rental-split .ak-rs-summary-grand span:first-child {
    font-size: .9375rem;
    font-weight: 600;
    color: #fff;
}
#ak-rental-split .ak-rs-grand-val {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
#ak-rental-split .ak-rs-summary-rows {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#ak-rental-split .ak-rs-summary-row {
    background: var(--ak-bg-card);
    border: 1.5px solid #bfdbfe;
    border-radius: var(--ak-radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
#ak-rental-split .ak-rs-summary-row-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ak-txt-h);
    margin-bottom: 2px;
}
#ak-rental-split .ak-rs-summary-row-pct {
    font-size: .8rem;
    color: var(--ak-txt-muted);
}
#ak-rental-split .ak-rs-summary-row-amt {
    font-size: 1.35rem;
    font-weight: 700;
    color: #2563eb;
    flex-shrink: 0;
}


/* ── §4.14  CTA banner (inside bill section) ── */
#ak-rental-split .ak-rs-bill-cta {
    background: linear-gradient(135deg, #2563eb 0%, #0d9488 100%);
    border-radius: var(--ak-radius-card);
    padding: 40px 32px;
    text-align: center;
    margin-top:1.5rem;
}
#ak-rental-split .ak-rs-bill-cta h3 {
    font-size: clamp(1.3rem, 3vw, 1.75rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.2;
}
#ak-rental-split .ak-rs-bill-cta p {
    font-size: .9375rem;
    color: #dbeafe;
    max-width: 480px;
    margin: 0 auto 24px;
    line-height: 1.65;
}
#ak-rental-split .ak-rs-bill-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: #ffffff;
    color: #2563eb;
    border-radius: var(--ak-radius-inner);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0,0,0,.18);
    transition: background .18s, transform .18s;
}
#ak-rental-split .ak-rs-bill-cta-btn:hover {
    background: #eff6ff;
    transform: translateY(-2px);
}
#ak-rental-split .ak-rs-bill-cta-btn svg { flex-shrink: 0; }


/* SUBSCRIPTION VALUE CALCULATOR */
#ak-sub-value {
    --ak-bg-page:       #f0f9ff;   /* slate-50 / light blue tint */
    --ak-border-focus:  #2563eb;
    --ak-accent:        #2563eb;
    --ak-accent-btn:    #dbeafe;
    --ak-accent-hover:  #bfdbfe;
}

#ak-sub-value .ak-hero-icon {
    background: linear-gradient(135deg, #2563eb, #0d9488);
    box-shadow: 0 8px 24px rgba(37,99,235,.28);
}

#ak-sub-value select:focus,
#ak-sub-value input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}


/* ── 2. Input section: cost + currency row (2fr 1fr) ── */
#ak-sub-value .ak-sv-cost-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
    align-items: start;
}

/* Input hint text */
#ak-sub-value .ak-sv-hint {
    font-size: .75rem;
    color: var(--ak-txt-muted);
    margin-top: 6px;
    line-height: 1.4;
}


/* ── 3. Frequency toggle (Monthly / Yearly buttons) ── */
#ak-sub-value .ak-sv-freq-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 24px;
}
#ak-sub-value .ak-sv-freq-btn {
    padding: 12px 16px;
    border: 1.5px solid var(--ak-border);
    border-radius: var(--ak-radius-inner);
    background: #f3f4f6;
    color: var(--ak-txt-body);
    font-family: inherit;
    font-size: .9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s, color .18s, border-color .18s, box-shadow .18s;
    text-align: center;
}
#ak-sub-value .ak-sv-freq-btn:hover:not(.ak-sv-freq-btn--active) {
    background: #e5e7eb;
}
#ak-sub-value .ak-sv-freq-btn--active {
    background: #2563eb;
    color: #fff;
    border-color: #1d4ed8;
    box-shadow: 0 4px 12px rgba(37,99,235,.25);
}


/* ── 4. Section title used by how-we-calc and break-even cards ── */
#ak-sub-value .ak-sv-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}


/* ── 5. Section 2: Cost Analysis card ── */
#ak-sub-value .ak-sv-analysis-card {
    background: linear-gradient(135deg, #eff6ff 0%, #f0fdfa 100%);
    border-color: #bfdbfe;
}

/* 2x2 stat grid */
#ak-sub-value .ak-sv-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}
#ak-sub-value .ak-sv-stats-grid--bottom {
    margin-bottom: 0;
}

/* Individual stat cards */
#ak-sub-value .ak-sv-stat-card {
    background: var(--ak-bg-card);
    border-radius: var(--ak-radius-inner);
    padding: 20px;
    border: 1.5px solid var(--ak-border);
}
#ak-sub-value .ak-sv-stat-card--blue   { border-color: #bfdbfe; }
#ak-sub-value .ak-sv-stat-card--teal   { border-color: #99f6e4; }
#ak-sub-value .ak-sv-stat-card--blue-dk { border-color: #93c5fd; }
#ak-sub-value .ak-sv-stat-card--purple { border-color: #d8b4fe; }

#ak-sub-value .ak-sv-stat-title {
    font-size: .9375rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 10px;
}
#ak-sub-value .ak-sv-stat-val {
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
}
/* Smaller value for monthly/annual */
#ak-sub-value .ak-sv-stat-val--lg  { font-size: 1.875rem; }
/* Larger value for cost-per-use / daily */
#ak-sub-value .ak-sv-stat-val--xl  { font-size: 2.25rem; }

#ak-sub-value .ak-sv-stat-card--blue    .ak-sv-stat-val { color: #2563eb; }
#ak-sub-value .ak-sv-stat-card--teal    .ak-sv-stat-val { color: #0d9488; }
#ak-sub-value .ak-sv-stat-card--blue-dk .ak-sv-stat-val { color: #1d4ed8; }
#ak-sub-value .ak-sv-stat-card--purple  .ak-sv-stat-val { color: #7c3aed; }

#ak-sub-value .ak-sv-stat-sub {
    font-size: .8125rem;
    color: var(--ak-txt-muted);
}


/* ── 6. Section 3: Value Assessment (rating) card ── */
#ak-sub-value .ak-sv-rating-card {
    border-radius: var(--ak-radius-card);
    box-shadow: var(--ak-shadow-card);
    padding: 32px;
    margin-bottom: 28px;
    border: 1.5px solid;
}
/* Color variants */
#ak-sub-value .ak-sv-rating-card--green {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-color: #bbf7d0;
}
#ak-sub-value .ak-sv-rating-card--blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #bfdbfe;
}
#ak-sub-value .ak-sv-rating-card--amber {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: #fde68a;
}
#ak-sub-value .ak-sv-rating-card--red {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border-color: #fecaca;
}

/* Inner layout: emoji + content */
#ak-sub-value .ak-sv-rating-inner {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}
#ak-sub-value .ak-sv-rating-emoji {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}
#ak-sub-value .ak-sv-rating-body { flex: 1; min-width: 0; }

#ak-sub-value .ak-sv-rating-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 10px;
}
#ak-sub-value .ak-sv-rating-card--green .ak-sv-rating-title { color: #14532d; }
#ak-sub-value .ak-sv-rating-card--blue  .ak-sv-rating-title { color: #1e3a8a; }
#ak-sub-value .ak-sv-rating-card--amber .ak-sv-rating-title { color: #78350f; }
#ak-sub-value .ak-sv-rating-card--red   .ak-sv-rating-title { color: #7f1d1d; }

#ak-sub-value .ak-sv-rating-msg {
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 14px;
}
#ak-sub-value .ak-sv-rating-card--green .ak-sv-rating-msg { color: #166534; }
#ak-sub-value .ak-sv-rating-card--blue  .ak-sv-rating-msg { color: #1e40af; }
#ak-sub-value .ak-sv-rating-card--amber .ak-sv-rating-msg { color: #92400e; }
#ak-sub-value .ak-sv-rating-card--red   .ak-sv-rating-msg { color: #991b1b; }

/* Advice box inside rating card */
#ak-sub-value .ak-sv-rating-advice {
    background: rgba(255,255,255,.75);
    border-radius: var(--ak-radius-sm);
    padding: 14px 16px;
    border: 1.5px solid;
    font-size: .875rem;
    font-weight: 600;
    line-height: 1.5;
}
#ak-sub-value .ak-sv-rating-card--green .ak-sv-rating-advice { border-color: #86efac; color: #14532d; }
#ak-sub-value .ak-sv-rating-card--blue  .ak-sv-rating-advice { border-color: #93c5fd; color: #1e3a8a; }
#ak-sub-value .ak-sv-rating-card--amber .ak-sv-rating-advice { border-color: #fcd34d; color: #78350f; }
#ak-sub-value .ak-sv-rating-card--red   .ak-sv-rating-advice { border-color: #fca5a5; color: #7f1d1d; }


/* ── 7. Section 4: How We Calculate Value ── */

/* Spacing between subsections */
#ak-sub-value .ak-sv-how-output > * + * { margin-top: 28px; }

/* Bar label row (label left, value right) */
#ak-sub-value .ak-sv-bar-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}
#ak-sub-value .ak-sv-bar-lbl {
    font-size: .875rem;
    font-weight: 500;
    color: var(--ak-txt-body);
}
#ak-sub-value .ak-sv-bar-val-lbl {
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
}
#ak-sub-value .ak-sv-bar-val-lbl--blue   { color: #1d4ed8; }
#ak-sub-value .ak-sv-bar-val-lbl--gray   { color: var(--ak-txt-body); }
#ak-sub-value .ak-sv-bar-val-lbl--teal   { color: #0d9488; }
#ak-sub-value .ak-sv-bar-val-lbl--green  { color: #16a34a; }

/* Comparison bar tracks (h-8 = 32px) */
#ak-sub-value .ak-sv-bar-track {
    background: #e5e7eb;
    border-radius: 999px;
    height: 32px;
    overflow: hidden;
    position: relative;
}
/* Usage bar tracks (h-6 = 24px) */
#ak-sub-value .ak-sv-bar-track--sm {
    height: 24px;
}

/* Bar fills */
#ak-sub-value .ak-sv-bar-fill {
    height: 100%;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    transition: width .5s ease;
    min-width: 0;
    overflow: hidden;
}
#ak-sub-value .ak-sv-bar-fill--blue   { background: linear-gradient(90deg, #3b82f6, #2563eb); }
#ak-sub-value .ak-sv-bar-fill--gray   { background: linear-gradient(90deg, #9ca3af, #6b7280); }
#ak-sub-value .ak-sv-bar-fill--green  { background: linear-gradient(90deg, #4ade80, #16a34a); }
#ak-sub-value .ak-sv-bar-fill--teal   { background: linear-gradient(90deg, #2dd4bf, #0d9488); }
#ak-sub-value .ak-sv-bar-fill--amber  { background: linear-gradient(90deg, #fbbf24, #d97706); }
#ak-sub-value .ak-sv-bar-fill--red    { background: linear-gradient(90deg, #f87171, #dc2626); }

/* Bar label inside the fill */
#ak-sub-value .ak-sv-bar-inner-label {
    font-size: .6875rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
}


/* Value Ratio Breakdown box (slate) */
#ak-sub-value .ak-sv-breakdown-box {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1.5px solid #cbd5e1;
    border-radius: var(--ak-radius-inner);
    padding: 20px;
}
#ak-sub-value .ak-sv-breakdown-title {
    font-size: .9375rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
#ak-sub-value .ak-sv-breakdown-rows {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
#ak-sub-value .ak-sv-breakdown-row {
    font-size: .875rem;
    color: var(--ak-txt-body);
    line-height: 1.5;
}
#ak-sub-value .ak-sv-breakdown-row strong { color: var(--ak-txt-h); }
#ak-sub-value .ak-sv-text-saving { color: #166534; font-weight: 700; }
#ak-sub-value .ak-sv-text-losing { color: #991b1b; font-weight: 700; }


/* Usage vs Break-Even container box (blue/teal tint) */
#ak-sub-value .ak-sv-usage-chart {
    background: linear-gradient(135deg, #eff6ff 0%, #f0fdfa 100%);
    border: 1.5px solid #bfdbfe;
    border-radius: var(--ak-radius-inner);
    padding: 20px;
}
#ak-sub-value .ak-sv-usage-chart-title {
    font-size: .9375rem;
    font-weight: 700;
    color: var(--ak-txt-h);
    margin-bottom: 18px;
}
#ak-sub-value .ak-sv-usage-bars {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

/* Status note at bottom of usage chart */
#ak-sub-value .ak-sv-status-note {
    border-top: 1.5px solid #bfdbfe;
    padding-top: 14px;
    margin-top: 4px;
    font-size: .8125rem;
    font-weight: 600;
    line-height: 1.5;
}
#ak-sub-value .ak-sv-status-note--red    { color: #991b1b; }
#ak-sub-value .ak-sv-status-note--amber  { color: #92400e; }
#ak-sub-value .ak-sv-status-note--green  { color: #166534; }


/* ── 8. Section 5: Break-Even & Cancellation Analysis ── */

/* 3-column metric grid */
#ak-sub-value .ak-sv-be-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 20px;
}

/* Individual metric card */
#ak-sub-value .ak-sv-be-metric {
    border-radius: var(--ak-radius-inner);
    padding: 20px;
    border: 1.5px solid;
}
#ak-sub-value .ak-sv-be-metric--blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #93c5fd;
}
#ak-sub-value .ak-sv-be-metric--teal {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
    border-color: #5eead4;
}
#ak-sub-value .ak-sv-be-metric--rose {
    background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 100%);
    border-color: #fda4af;
}

#ak-sub-value .ak-sv-be-metric-title {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--ak-txt-body);
    margin-bottom: 10px;
    line-height: 1.35;
}

/* Large metric value */
#ak-sub-value .ak-sv-be-metric-val {
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
}
/* "less than" prefix + value */
#ak-sub-value .ak-sv-be-metric--blue .ak-sv-be-metric-val { color: #1d4ed8; }
#ak-sub-value .ak-sv-be-metric--teal .ak-sv-be-metric-val { color: #0f766e; }
#ak-sub-value .ak-sv-be-metric--rose .ak-sv-be-metric-val { color: #be123c; }

#ak-sub-value .ak-sv-be-metric-unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--ak-txt-muted);
}

#ak-sub-value .ak-sv-be-metric-sub {
    font-size: .75rem;
    color: var(--ak-txt-muted);
    margin-bottom: 10px;
    line-height: 1.4;
}

/* Status row inside metric card */
#ak-sub-value .ak-sv-be-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .8125rem;
    font-weight: 600;
    line-height: 1.35;
}
#ak-sub-value .ak-sv-be-status--green { color: #16a34a; }
#ak-sub-value .ak-sv-be-status--red   { color: #dc2626; }
#ak-sub-value .ak-sv-be-status--amber { color: #d97706; }

/* Advisory / usage status box (amber/orange) */
#ak-sub-value .ak-sv-be-status-box {
    background: linear-gradient(135deg, #fffbeb 0%, #fff7ed 100%);
    border: 1.5px solid #fcd34d;
    border-radius: var(--ak-radius-inner);
    padding: 20px;
}
#ak-sub-value .ak-sv-be-status-box-title {
    font-size: .9375rem;
    font-weight: 700;
    color: #78350f;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
#ak-sub-value .ak-sv-be-status-msg {
    font-size: .875rem;
    font-weight: 600;
    line-height: 1.55;
}
#ak-sub-value .ak-sv-be-status-msg--green { color: #166534; }
#ak-sub-value .ak-sv-be-status-msg--blue  { color: #1e40af; }
#ak-sub-value .ak-sv-be-status-msg--red   { color: #991b1b; }


/* ── 9. CTA Banner ── */
#ak-sub-value .ak-sv-cta {
    background: linear-gradient(135deg, #2563eb 0%, #0d9488 100%);
    border-radius: var(--ak-radius-card);
    box-shadow: var(--ak-shadow-card);
    padding: 48px 40px;
    text-align: center;
    margin-bottom: 28px;
}
#ak-sub-value .ak-sv-cta h3 {
    font-size: clamp(1.4rem, 3vw, 1.875rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
}
#ak-sub-value .ak-sv-cta p {
    font-size: 1.05rem;
    color: #bfdbfe;
    margin: 0 auto 28px;
    line-height: 1.65;
}
#ak-sub-value .ak-sv-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: #ffffff;
    color: #2563eb;
    border-radius: var(--ak-radius-inner);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0,0,0,.18);
    transition: background .18s, transform .18s;
}
#ak-sub-value .ak-sv-cta-btn:hover {
    background: #eff6ff;
    transform: translateY(-2px);
}
#ak-sub-value .ak-sv-cta-btn svg { flex-shrink: 0; }

/* ── 860px: outer padding ── */
@media (max-width: 860px) {
    .ak-calculator {
        padding: 32px 16px 60px;
    }
}

/* ── 768px: rental top grid, card padding ── */
@media (max-width: 768px) {
    .ak-calculator .ak-card {
        padding: 24px;
    }
    /* Rental: 4-col → 2-col */
    #ak-rental-split .ak-rs-top-grid {
        grid-template-columns: 1fr 1fr;
    }
    #ak-sub-value .ak-sv-be-grid {
        grid-template-columns: 1fr;
    }
    #ak-sub-value .ak-sv-cta {
        padding: 36px 24px;
    }
}

/* ── 640px: hero title, summary grand value ── */
@media (max-width: 640px) {
    .ak-calculator .ak-hero h1 { font-size: 1.75rem; }

    #ak-income-split .ak-is-grand-val,
    #ak-rental-split .ak-rs-grand-val {
        font-size: 1.4rem;
    }
    /* Budget metric grid: 3-col → 1-col */
    #ak-budget-calculator .ak-metric-grid {
        grid-template-columns: 1fr;
    }
    /* Budget remaining: stack vertically */
    #ak-budget-calculator .ak-remaining {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    /* Prog bar: smaller text */
    #ak-budget-calculator .ak-seg { font-size: .75rem; }
    #ak-sub-value .ak-sv-stats-grid {
        grid-template-columns: 1fr;
    }
    #ak-sub-value .ak-sv-be-grid {
        grid-template-columns: 1fr 1fr;
    }
    #ak-sub-value .ak-sv-stat-val--xl { font-size: 1.75rem; }
}

/* ── 560px: person/room fields, form rows, bill inputs ── */
@media (max-width: 560px) {
    /* Card padding tighter */
    .ak-calculator .ak-card { padding: 18px; }

    /* Budget: form-row 2-col → 1-col */
    #ak-budget-calculator .ak-form-row {
        grid-template-columns: 1fr;
    }

    /* Income + Budget: person-fields 2-col → 1-col */
    .ak-calculator .ak-person-fields {
        grid-template-columns: 1fr;
    }

    /* Income: currency wrap full width */
    #ak-income-split .ak-is-currency-wrap { max-width: 100%; }

    /* Bill inputs (shared): 2:1 → 1-col */
    .ak-calculator .ak-is-bill-inputs {
        grid-template-columns: 1fr;
    }

    /* Rental: room fields 3-col → 2-col */
    #ak-rental-split .ak-rs-room-fields {
        grid-template-columns: 1fr 1fr;
    }

    /* Budget CTA padding */
    #ak-budget-calculator .ak-cta { padding: 28px 20px; }

    /* Income/Rental CTA buttons: full width */
    #ak-income-split .ak-is-bill-cta-btn,
    #ak-rental-split .ak-rs-bill-cta-btn {
        width: 100%;
        justify-content: center;
    }

    /* Summary grand value */
    #ak-income-split .ak-is-grand-val,
    #ak-rental-split .ak-rs-grand-val {
        font-size: 1.25rem;
    }

    /* Tips padding */
    #ak-budget-calculator .ak-tips-desc,
    #ak-budget-calculator .ak-tips-list { padding-left: 0; }

    /* Rental feat grid: 2-col → 1-col */
    #ak-rental-split .ak-rs-feat-grid { grid-template-columns: 1fr; }

    /* Rental: inner CTA button padding */
    #ak-rental-split .ak-rs-bill-cta { padding: 28px 20px; }
    #ak-sub-value .ak-sv-cost-row {
        grid-template-columns: 1fr;
    }
    #ak-sub-value .ak-sv-rating-inner {
        flex-direction: column;
        gap: 12px;
    }
    #ak-sub-value .ak-sv-cta-btn {
        width: 100%;
        justify-content: center;
    }
    #ak-sub-value .ak-sv-cta { padding: 28px 18px; }
}

/* ── 480px: rental top grid → 1-col ── */
@media (max-width: 480px) {
    #ak-rental-split .ak-rs-top-grid {
        grid-template-columns: 1fr;
    }
    /* Rental room fields → 1-col */
    #ak-rental-split .ak-rs-room-fields {
        grid-template-columns: 1fr;
    }
    /* Section header: allow wrapping */
    .ak-calculator .ak-is-sec-hdr,
    .ak-calculator .ak-is-res-hdr,
    .ak-calculator .ak-sub-hdr {
        flex-wrap: wrap;
    }
    /* Large percentage text */
    #ak-income-split .ak-is-pct { font-size: 1.5rem; }

    /* Budget metric card value */
    #ak-budget-calculator .ak-metric-amt { font-size: 1.5rem; }

    /* Budget prog bar height */
    #ak-budget-calculator .ak-prog-bar { height: 36px; }
    #ak-sub-value .ak-sv-be-grid {
        grid-template-columns: 1fr;
    }
    #ak-sub-value .ak-sv-be-metric-val { font-size: 1.5rem; }
}

/* ── 360px: very small phones ── */
@media (max-width: 360px) {
    .ak-calculator { padding: 16px 12px 48px; }
    .ak-calculator .ak-card { padding: 14px; }
    #ak-budget-calculator .ak-cta,
    #ak-income-split .ak-is-bill-cta,
    #ak-rental-split .ak-rs-bill-cta { padding: 20px 14px; }
    #ak-budget-calculator .ak-bud-hdr { flex-direction: column; }
}