/* ═══════════════════════════════════════════════════════════════════════════
 * marriage-tax-calc.css  —  CalculatorFix Marriage Tax Calculator
 * Namespace  : mtc-*  (Marriage Tax Calculator)
 * Scoped to  : #mtc-root and .mtc-* to prevent all global conflicts
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ── Local CSS Variables ─────────────────────────────────────────────────── */
#mtc-root {
    --mtc-accent:        #0ea5e9;
    --mtc-accent-dark:   #0369a1;
    --mtc-accent-light:  #e0f2fe;
    --mtc-accent-hover:  #bae6fd;

    --mtc-p1:            #0ea5e9;   /* Partner 1 — sky blue */
    --mtc-p1-light:      #e0f2fe;
    --mtc-p2:            #8b5cf6;   /* Partner 2 — violet */
    --mtc-p2-light:      #ede9fe;
    --mtc-married:       #0d9488;   /* MFJ — teal */
    --mtc-married-light: #ccfbf1;

    --mtc-penalty:       #ef4444;   /* Red: penalty */
    --mtc-penalty-light: #fef2f2;
    --mtc-penalty-brd:   #fecaca;
    --mtc-bonus:         #22c55e;   /* Green: bonus */
    --mtc-bonus-light:   #f0fdf4;
    --mtc-bonus-brd:     #bbf7d0;

    --mtc-amber:         #fbbf24;
    --mtc-amber-dark:    #b45309;
    --mtc-amber-light:   #fffbeb;
    --mtc-amber-brd:     #fde68a;

    --mtc-bg:            #ffffff;
    --mtc-bg-soft:       #f8fafc;
    --mtc-bg-muted:      #f1f5f9;
    --mtc-border:        #e2e8f0;
    --mtc-border-soft:   #f1f5f9;

    --mtc-text:          #0f172a;
    --mtc-text-sec:      #475569;
    --mtc-text-muted:    #94a3b8;

    --mtc-shadow-focus:  0 0 0 4px rgba(14,165,233,0.15);
    --mtc-radius:        10px;
    --mtc-radius-sm:     6px;
    --mtc-radius-lg:     14px;
    --mtc-radius-pill:   999px;

    /* chart colours */
    --mtc-chart-fed:     #0ea5e9;
    --mtc-chart-state:   #14b8a6;
    --mtc-chart-fica:    #fbbf24;
    --mtc-chart-net:     #22c55e;
}

/* ── Top bar ─────────────────────────────────────────────────────────────── */
.mtc-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 18px 22px 14px;
    border-bottom: 1px solid var(--mtc-border);
}

.mtc-topbar-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mtc-widget-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--mtc-text);
    margin: 0;
    line-height: 1.3;
}

.mtc-tagline {
    font-size: 0.72rem;
    color: var(--mtc-text-muted);
    font-weight: 500;
}

/* Year toggle */
.mtc-year-toggle {
    display: flex;
    background: var(--mtc-bg-muted);
    border-radius: 7px;
    padding: 3px;
    gap: 2px;
}

.mtc-yr-btn {
    padding: 4px 14px;
    border: none;
    border-radius: 5px;
    background: transparent;
    color: var(--mtc-text-sec);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.17s, color 0.17s;
    line-height: 1.5;
}

.mtc-yr-btn.mtc-yr-active {
    background: var(--mtc-accent);
    color: #fff;
}

.mtc-yr-btn:not(.mtc-yr-active):hover {
    background: var(--mtc-accent-hover);
    color: var(--mtc-accent-dark);
}

/* ── Main grid ───────────────────────────────────────────────────────────── */
.mtc-main-grid {
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 900px) {
    .mtc-main-grid {
        grid-template-columns: 1fr 1fr;
    }
    .mtc-form-col {
        border-right: 1px solid var(--mtc-border);
        overflow-y: auto;
        max-height: 90vh;
    }
    .mtc-results-col {
        overflow-y: auto;
        max-height: 90vh;
    }
}

/* ── Form column ─────────────────────────────────────────────────────────── */
.mtc-form-col {
    padding: 18px 20px 22px;
}

/* Section headers */
.mtc-section-hdr {
    font-size: 0.69rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--mtc-text-muted);
    padding-bottom: 6px;
    border-bottom: 1px solid var(--mtc-border-soft);
    margin: 14px 0 10px;
}

.mtc-section-hdr:first-child { margin-top: 0; }

.mtc-section-hdr-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
}

/* Deduction toggle */
.mtc-ded-toggle {
    display: flex;
    background: var(--mtc-bg-muted);
    border-radius: 6px;
    padding: 2px;
    gap: 2px;
}

.mtc-ded-btn {
    padding: 3px 11px;
    border: none;
    border-radius: 4px;
    background: transparent;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--mtc-text-sec);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.mtc-ded-btn.mtc-ded-active {
    background: var(--mtc-accent);
    color: #fff;
}

.mtc-ded-btn:not(.mtc-ded-active):hover {
    background: var(--mtc-accent-hover);
    color: var(--mtc-accent-dark);
}

/* Standard deduction info pill */
.mtc-std-info {
    margin-bottom: 8px;
}

.mtc-std-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--mtc-accent-light);
    border: 1px solid var(--mtc-accent-hover);
    border-radius: var(--mtc-radius-sm);
    padding: 6px 12px;
    font-size: 0.78rem;
    color: var(--mtc-accent-dark);
    font-weight: 500;
    flex-wrap: wrap;
}

.mtc-std-div {
    color: var(--mtc-accent-hover);
    font-weight: 300;
}

/* Itemized block */
.mtc-itemized-block {
    background: var(--mtc-bg-soft);
    border: 1px dashed var(--mtc-border);
    border-radius: var(--mtc-radius-sm);
    padding: 12px;
    margin-bottom: 4px;
}

/* Partner cards */
.mtc-partner-card {
    border-radius: var(--mtc-radius);
    padding: 12px 14px;
    margin-bottom: 10px;
    border: 1.5px solid var(--mtc-border);
}

.mtc-partner-1 {
    border-left: 3px solid var(--mtc-p1);
    background: linear-gradient(135deg, var(--mtc-p1-light) 0%, var(--mtc-bg) 60%);
}

.mtc-partner-2 {
    border-left: 3px solid var(--mtc-p2);
    background: linear-gradient(135deg, var(--mtc-p2-light) 0%, var(--mtc-bg) 60%);
}

.mtc-partner-hdr {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 10px;
}

.mtc-partner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.mtc-dot-1 { background: var(--mtc-p1); }
.mtc-dot-2 { background: var(--mtc-p2); }

.mtc-partner-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--mtc-text);
}

/* Grids */
.mtc-grid {
    display: grid;
    gap: 10px;
    margin-bottom: 4px;
}

.mtc-g2 { grid-template-columns: 1fr 1fr; }

/* Fields */
.mtc-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mtc-label {
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--mtc-text);
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
    line-height: 1.4;
}

/* Badges */
.mtc-badge {
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--mtc-text-muted);
    background: var(--mtc-bg-muted);
    padding: 1px 5px;
    border-radius: 4px;
    white-space: nowrap;
}

.mtc-limit-badge {
    font-size: 0.61rem;
    font-weight: 600;
    color: var(--mtc-accent-dark);
    background: var(--mtc-accent-light);
    padding: 1px 5px;
    border-radius: 4px;
    white-space: nowrap;
}

/* Input wrapper */
.mtc-iw {
    position: relative;
    display: flex;
    align-items: center;
}

.mtc-pfx {
    position: absolute;
    left: 9px;
    font-size: 0.79rem;
    font-weight: 600;
    color: var(--mtc-text-muted);
    pointer-events: none;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.mtc-input {
    width: 100%;
    padding: 7px 9px 7px 22px;
    border: 1.5px solid var(--mtc-border);
    border-radius: var(--mtc-radius-sm);
    font-size: 0.83rem;
    color: var(--mtc-text);
    background: var(--mtc-bg-soft);
    transition: border-color 0.17s, box-shadow 0.17s, background 0.17s;
    box-sizing: border-box;
    -moz-appearance: textfield;
}

.mtc-input.mtc-input-plain {
    padding-left: 9px;
}

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

.mtc-input:focus {
    outline: none;
    border-color: var(--mtc-accent);
    box-shadow: var(--mtc-shadow-focus);
    background: var(--mtc-bg);
}

.mtc-select {
    width: 100%;
    padding: 7px 28px 7px 9px;
    border: 1.5px solid var(--mtc-border);
    border-radius: var(--mtc-radius-sm);
    font-size: 0.83rem;
    color: var(--mtc-text);
    background: var(--mtc-bg-soft)
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='7' viewBox='0 0 11 7'%3E%3Cpath d='M1 1l4.5 4.5L10 1' stroke='%2394a3b8' stroke-width='1.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E")
        no-repeat right 9px center;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: border-color 0.17s, box-shadow 0.17s;
    box-sizing: border-box;
}

.mtc-select:focus {
    outline: none;
    border-color: var(--mtc-accent);
    box-shadow: var(--mtc-shadow-focus);
}

/* Buttons */
.mtc-btn-row {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.mtc-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 20px;
    border-radius: var(--mtc-radius-sm);
    font-size: 0.875rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: background 0.17s, transform 0.1s, box-shadow 0.17s;
    white-space: nowrap;
}

.mtc-btn:active { transform: scale(0.975); }

.mtc-btn-primary {
    background: var(--mtc-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(14,165,233,0.22);
}

.mtc-btn-primary:hover {
    background: var(--mtc-accent-dark);
    box-shadow: 0 4px 14px rgba(14,165,233,0.32);
}

.mtc-btn-ghost {
    background: var(--mtc-bg-muted);
    color: var(--mtc-text-sec);
    border: 1.5px solid var(--mtc-border);
    padding: 8px 15px;
}

.mtc-btn-ghost:hover {
    background: var(--mtc-accent-hover);
    border-color: var(--mtc-accent);
    color: var(--mtc-accent-dark);
}

/* ══════════════════════════════════════════════════════════════
   RESULTS COLUMN
══════════════════════════════════════════════════════════════ */
.mtc-results-col {
    padding: 18px 20px 22px;
    background: var(--mtc-bg-soft);
    border-top: 1px solid var(--mtc-border);
}

@media (min-width: 900px) {
    .mtc-results-col { border-top: none; }
}

.mtc-res-hdr {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.mtc-res-title {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--mtc-text);
    margin: 0;
}

.mtc-res-year-badge {
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--mtc-accent);
    color: #fff;
    padding: 2px 9px;
    border-radius: var(--mtc-radius-pill);
}

/* Block label */
.mtc-block-lbl {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--mtc-text-muted);
    margin: 0 0 8px;
}

/* ── Verdict banner ──────────────────────────────────────────────────────── */
.mtc-verdict-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    border-radius: var(--mtc-radius);
    padding: 14px 16px;
    margin-bottom: 14px;
    border: 2px solid var(--mtc-penalty-brd);
    background: var(--mtc-penalty-light);
    transition: background 0.3s, border-color 0.3s;
}

.mtc-verdict-banner.mtc-is-bonus {
    border-color: var(--mtc-bonus-brd);
    background: var(--mtc-bonus-light);
}

.mtc-verdict-banner.mtc-is-neutral {
    border-color: var(--mtc-border);
    background: var(--mtc-bg-muted);
}

.mtc-verdict-icon {
    font-size: 2rem;
    line-height: 1;
    flex-shrink: 0;
}

.mtc-verdict-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--mtc-penalty);
}

.mtc-verdict-banner.mtc-is-bonus  .mtc-verdict-label { color: var(--mtc-bonus); }
.mtc-verdict-banner.mtc-is-neutral .mtc-verdict-label { color: var(--mtc-text-muted); }

.mtc-verdict-amount {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--mtc-penalty);
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.mtc-verdict-banner.mtc-is-bonus   .mtc-verdict-amount { color: var(--mtc-bonus); }
.mtc-verdict-banner.mtc-is-neutral .mtc-verdict-amount { color: var(--mtc-text-muted); }

.mtc-verdict-sub {
    font-size: 0.74rem;
    color: var(--mtc-text-sec);
    margin-top: 2px;
}

/* ── KPI row ─────────────────────────────────────────────────────────────── */
.mtc-kpi-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 14px;
}

.mtc-kpi {
    background: var(--mtc-bg);
    border: 1.5px solid var(--mtc-border);
    border-radius: var(--mtc-radius);
    padding: 9px 11px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.mtc-kpi-single1 { border-left: 3px solid var(--mtc-p1); }
.mtc-kpi-single2 { border-left: 3px solid var(--mtc-p2); }
.mtc-kpi-combined { border-left: 3px solid var(--mtc-text-muted); }
.mtc-kpi-married { border-left: 3px solid var(--mtc-married); background: var(--mtc-married-light); }

.mtc-kpi-lbl {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--mtc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.mtc-kpi-val {
    font-size: 1rem;
    font-weight: 800;
    color: var(--mtc-text);
    font-variant-numeric: tabular-nums;
}

.mtc-kpi-married .mtc-kpi-val { color: var(--mtc-married); }

/* ── Bar Chart ───────────────────────────────────────────────────────────── */
.mtc-chart-block {
    margin-bottom: 14px;
}

.mtc-chart-title {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--mtc-text-muted);
    margin: 0 0 10px;
}

.mtc-bar-chart {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    height: 130px;
    padding: 0 4px 0;
    background: var(--mtc-bg);
    border: 1px solid var(--mtc-border);
    border-radius: var(--mtc-radius);
    padding: 10px 12px 0;
    overflow: hidden;
    position: relative;
}

/* Gridlines via pseudo */
.mtc-bar-chart::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent calc(25% - 1px),
        var(--mtc-border-soft) calc(25% - 1px),
        var(--mtc-border-soft) 25%
    );
    pointer-events: none;
    z-index: 0;
}

.mtc-bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    flex: 1;
    position: relative;
    z-index: 1;
    justify-content: flex-end;
}

.mtc-bar-stack {
    display: flex;
    flex-direction: column-reverse;
    width: 100%;
    max-width: 52px;
    border-radius: 4px 4px 0 0;
    overflow: hidden;
    transition: height 0.5s cubic-bezier(.4,0,.2,1);
}

.mtc-bar-seg {
    width: 100%;
    transition: height 0.45s cubic-bezier(.4,0,.2,1);
    min-height: 0;
}

.mtc-bar-seg-fed   { background: var(--mtc-chart-fed); }
.mtc-bar-seg-state { background: var(--mtc-chart-state); }
.mtc-bar-seg-fica  { background: var(--mtc-chart-fica); }
.mtc-bar-seg-net   { background: var(--mtc-chart-net); }

.mtc-bar-label {
    font-size: 0.64rem;
    font-weight: 600;
    color: var(--mtc-text-muted);
    text-align: center;
    margin-top: 4px;
    padding-bottom: 6px;
    line-height: 1.2;
    white-space: nowrap;
}

/* Chart legend */
.mtc-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.mtc-cleg {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.69rem;
    color: var(--mtc-text-sec);
    font-weight: 500;
}

.mtc-cleg::before {
    content: '';
    width: 9px;
    height: 9px;
    border-radius: 2px;
    display: inline-block;
    flex-shrink: 0;
}

.mtc-cleg-fed::before   { background: var(--mtc-chart-fed); }
.mtc-cleg-state::before { background: var(--mtc-chart-state); }
.mtc-cleg-fica::before  { background: var(--mtc-chart-fica); }
.mtc-cleg-net::before   { background: var(--mtc-chart-net); }

/* ── Comparison table ────────────────────────────────────────────────────── */
.mtc-compare-block {
    margin-bottom: 12px;
}

.mtc-cmp-table-wrap {
    overflow-x: auto;
    border-radius: var(--mtc-radius);
    border: 1.5px solid var(--mtc-border);
    -webkit-overflow-scrolling: touch;
}

.mtc-cmp-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.77rem;
    min-width: 320px;
}

.mtc-cmp-table thead th {
    background: var(--mtc-bg-muted);
    padding: 7px 10px;
    text-align: right;
    font-size: 0.67rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--mtc-text-muted);
    border-bottom: 1px solid var(--mtc-border);
    white-space: nowrap;
}

.mtc-cmp-table thead th:first-child { text-align: left; }

.mtc-cmp-table tbody tr {
    border-bottom: 1px solid var(--mtc-border-soft);
    transition: background 0.12s;
}

.mtc-cmp-table tbody tr:hover { background: var(--mtc-accent-light); }

.mtc-cmp-table tbody td {
    padding: 6px 10px;
    color: var(--mtc-text-sec);
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.mtc-cmp-table tbody td:first-child {
    text-align: left;
    color: var(--mtc-text);
    font-weight: 500;
    white-space: normal;
}

.mtc-row-total {
    background: var(--mtc-bg-muted);
    font-weight: 700;
}

.mtc-row-total td { font-weight: 700; color: var(--mtc-text) !important; border-top: 1.5px solid var(--mtc-border); }

.mtc-row-takehome {
    background: #f0fdf4;
}

.mtc-row-takehome td { color: #15803d !important; font-weight: 700; }

/* Diff cell colours */
.mtc-td-penalty { color: var(--mtc-penalty) !important; font-weight: 700; }
.mtc-td-bonus   { color: var(--mtc-bonus)   !important; font-weight: 700; }
.mtc-td-neutral { color: var(--mtc-text-muted) !important; }

/* ── MFS block ───────────────────────────────────────────────────────────── */
.mtc-mfs-block {
    margin-bottom: 12px;
}

.mtc-mfs-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.mtc-mfs-item {
    flex: 1;
    min-width: 90px;
    background: var(--mtc-bg);
    border: 1.5px solid var(--mtc-border);
    border-radius: var(--mtc-radius);
    padding: 9px 12px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.mtc-mfs-lbl {
    font-size: 0.64rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--mtc-text-muted);
}

.mtc-mfs-val {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--mtc-text);
    font-variant-numeric: tabular-nums;
}

/* ── Effective rates ─────────────────────────────────────────────────────── */
.mtc-rates-block {
    margin-bottom: 12px;
}

.mtc-rates-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mtc-rate-chip {
    flex: 1;
    min-width: 90px;
    background: var(--mtc-bg);
    border: 1.5px solid var(--mtc-border);
    border-radius: var(--mtc-radius-sm);
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.mtc-rate-chip-accent {
    border-color: var(--mtc-married);
    background: var(--mtc-married-light);
}

.mtc-rate-lbl {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--mtc-text-muted);
}

.mtc-rate-val {
    font-size: 1rem;
    font-weight: 800;
    color: var(--mtc-accent-dark);
    font-variant-numeric: tabular-nums;
}

.mtc-rate-chip-accent .mtc-rate-val { color: var(--mtc-married); }

/* ── Disclaimer ──────────────────────────────────────────────────────────── */
.mtc-disclaimer {
    font-size: 0.68rem;
    color: var(--mtc-text-muted);
    background: var(--mtc-amber-light);
    border: 1px solid var(--mtc-amber-brd);
    border-radius: var(--mtc-radius-sm);
    padding: 7px 11px;
    margin: 0;
    line-height: 1.5;
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
    .mtc-topbar { padding: 14px 14px 10px; }
    .mtc-form-col,
    .mtc-results-col { padding: 14px; }
    .mtc-g2 { grid-template-columns: 1fr; }
    .mtc-kpi-row { grid-template-columns: 1fr 1fr; }
    .mtc-btn-row { flex-direction: column; }
    .mtc-btn { justify-content: center; }
    .mtc-verdict-amount { font-size: 1.4rem; }
    .mtc-bar-chart { height: 100px; }
}

@media (max-width: 400px) {
    .mtc-kpi-row { grid-template-columns: 1fr; }
    .mtc-topbar { flex-direction: column; align-items: flex-start; }
}