/* ═══════════════════════════════════════════════════════════════════════════
 * 401(k) CALCULATOR — Scoped Styles
 * File: assets/css/401k-calc.css
 * Namespace prefix: fkc- (401k-calc)
 * All rules scoped to #fkc-401k-calc or .fkc-* to prevent conflicts.
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ─── LOCAL TOKEN ALIASES (re-uses global brand variables) ──────────────── */
#fkc-401k-calc {
    --fkc-accent:          var(--clr-accent, #0ea5e9);
    --fkc-accent-dark:     var(--clr-accent-dark, #0369a1);
    --fkc-accent-light:    var(--clr-accent-light, #e0f2fe);
    --fkc-accent-hover:    var(--clr-accent-hover, #bae6fd);
    --fkc-interest:        var(--clr-interest, #fbbf24);
    --fkc-teal:            var(--clr-teal, #14b8a6);
    --fkc-green:           var(--clr-green, #22c55e);
    --fkc-warn-text:       var(--clr-warning-text, #b45309);
    --fkc-warn-bg:         var(--clr-warning-bg, #fffbeb);
    --fkc-warn-brd:        var(--clr-warning-brd, #fde68a);
    --fkc-bg:              var(--clr-bg, #ffffff);
    --fkc-bg-soft:         var(--clr-bg-soft, #f8fafc);
    --fkc-bg-muted:        var(--clr-bg-muted, #f1f5f9);
    --fkc-text-primary:    var(--clr-text-primary, #0f172a);
    --fkc-text-secondary:  var(--clr-text-secondary, #475569);
    --fkc-text-muted:      var(--clr-text-muted, #94a3b8);
    --fkc-border:          var(--clr-border, #e2e8f0);
    --fkc-border-soft:     var(--clr-border-soft, #f1f5f9);
    --fkc-shadow-focus:    var(--shadow-focus, 0 0 0 4px rgba(14,165,233,0.15));

    /* Bar colors */
    --fkc-bar-contrib-clr: var(--clr-accent, #0ea5e9);
    --fkc-bar-employer-clr: var(--clr-teal, #14b8a6);
    --fkc-bar-growth-clr:  var(--clr-green, #22c55e);
}

/* ─── WIDGET ROOT ────────────────────────────────────────────────────────── */
#fkc-401k-calc {
    width: 100%;
}

/* ─── HEADING ────────────────────────────────────────────────────────────── */
#fkc-401k-calc .calc-widget-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--fkc-text-primary);
    margin: 0 0 1.25rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--fkc-border);
}

/* ─── TABS ───────────────────────────────────────────────────────────────── */
.fkc-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    background: var(--fkc-bg-muted);
    border-radius: 8px;
    padding: 3px;
    width: fit-content;
}

.fkc-tab {
    padding: 0.45rem 1.1rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--fkc-text-secondary);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.18s, color 0.18s, box-shadow 0.18s;
    line-height: 1.4;
    white-space: nowrap;
}

.fkc-tab:hover:not(.fkc-tab--active) {
    color: var(--fkc-text-primary);
    background: var(--fkc-accent-hover);
}

.fkc-tab--active {
    background: var(--fkc-bg);
    color: var(--fkc-accent-dark);
    box-shadow: 0 1px 3px rgba(0,0,0,0.10), 0 0 0 1px var(--fkc-border);
}

/* ─── INPUTS GRID ────────────────────────────────────────────────────────── */
.fkc-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.25rem;
    margin-bottom: 1.25rem;
}

.fkc-full-row {
    grid-column: 1 / -1;
}

.fkc-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.fkc-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--fkc-text-primary);
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    line-height: 1.3;
}

.fkc-hint {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--fkc-text-muted);
}

.fkc-input-wrap {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--fkc-border);
    border-radius: 7px;
    background: var(--fkc-bg);
    transition: border-color 0.16s, box-shadow 0.16s;
    overflow: hidden;
}

.fkc-input-wrap:focus-within {
    border-color: var(--fkc-accent);
    box-shadow: var(--fkc-shadow-focus);
}

.fkc-prefix,
.fkc-suffix {
    padding: 0 0.55rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--fkc-text-muted);
    background: var(--fkc-bg-soft);
    align-self: stretch;
    display: flex;
    align-items: center;
    border-right: 1px solid var(--fkc-border);
    user-select: none;
    flex-shrink: 0;
}

.fkc-suffix {
    border-right: none;
    border-left: 1px solid var(--fkc-border);
}

.fkc-input {
    flex: 1;
    min-width: 0;
    padding: 0.5rem 0.6rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--fkc-text-primary);
    background: transparent;
    border: none;
    outline: none;
    appearance: none;
    -moz-appearance: textfield;
}

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

.fkc-select {
    padding: 0.5rem 0.6rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--fkc-text-primary);
    background: var(--fkc-bg);
    border: none;
    outline: none;
    cursor: pointer;
    width: 100%;
}

.fkc-desc {
    font-size: 0.69rem;
    color: var(--fkc-text-muted);
    line-height: 1.4;
}

/* ─── IRS LIMIT WARNING ──────────────────────────────────────────────────── */
.fkc-limit-warning {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.65rem 0.85rem;
    background: var(--fkc-warn-bg);
    border: 1px solid var(--fkc-warn-brd);
    border-radius: 7px;
    margin-bottom: 1rem;
    font-size: 0.78rem;
    color: var(--fkc-warn-text);
    font-weight: 500;
    line-height: 1.45;
}

.fkc-limit-warning svg {
    flex-shrink: 0;
    margin-top: 1px;
}

/* ─── ACTION BUTTONS ─────────────────────────────────────────────────────── */
.fkc-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.fkc-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.62rem 1.4rem;
    font-size: 0.875rem;
    font-weight: 700;
    background: var(--fkc-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.18s, transform 0.12s, box-shadow 0.18s;
    box-shadow: 0 2px 8px rgba(14,165,233,0.25);
    letter-spacing: 0.01em;
}

.fkc-submit-btn:hover {
    background: var(--fkc-accent-dark);
    box-shadow: 0 4px 14px rgba(14,165,233,0.35);
}

.fkc-submit-btn:active {
    transform: scale(0.98);
}

.fkc-clear-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.1rem;
    font-size: 0.82rem;
    font-weight: 600;
    background: transparent;
    color: var(--fkc-text-secondary);
    border: 1.5px solid var(--fkc-border);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.16s, border-color 0.16s, color 0.16s;
}

.fkc-clear-btn:hover {
    background: var(--fkc-bg-soft);
    border-color: var(--fkc-text-muted);
    color: var(--fkc-text-primary);
}

/* ─── RESULTS PANEL ──────────────────────────────────────────────────────── */
.fkc-results {
    margin-top: 1.5rem;
    border-top: 1px solid var(--fkc-border);
    padding-top: 1.5rem;
    animation: fkc-fadein 0.3s ease;
}

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

/* ─── RESULTS GRID ───────────────────────────────────────────────────────── */
.fkc-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.fkc-result-card {
    background: var(--fkc-bg-soft);
    border: 1px solid var(--fkc-border);
    border-radius: 9px;
    padding: 0.85rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    transition: box-shadow 0.15s;
}

.fkc-result-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.fkc-result-primary {
    grid-column: 1 / -1;
    background: var(--fkc-accent-light);
    border-color: #bae6fd;
    padding: 1rem 1.15rem;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
}

.fkc-result-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--fkc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.fkc-result-primary .fkc-result-label {
    color: var(--fkc-accent-dark);
    font-size: 0.75rem;
}

.fkc-result-value {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--fkc-text-primary);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.fkc-result-primary .fkc-result-value {
    font-size: 1.85rem;
    color: var(--fkc-accent-dark);
}

.fkc-result-sub {
    font-size: 0.72rem;
    color: var(--fkc-text-muted);
    font-weight: 400;
}

.fkc-result-primary .fkc-result-sub {
    color: var(--fkc-accent-dark);
    opacity: 0.75;
}

/* Primary card inner layout */
.fkc-result-primary .fkc-r-primary-main {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.fkc-result-primary .fkc-r-primary-real {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding-left: 1.25rem;
    border-left: 1px solid #bae6fd;
}

/* ─── BREAKDOWN BAR ──────────────────────────────────────────────────────── */
.fkc-breakdown {
    margin-bottom: 1.25rem;
}

.fkc-breakdown-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--fkc-text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.fkc-breakdown-bar {
    display: flex;
    height: 18px;
    border-radius: 99px;
    overflow: hidden;
    gap: 2px;
    background: var(--fkc-bg-muted);
}

.fkc-bar-contrib,
.fkc-bar-employer,
.fkc-bar-growth {
    height: 100%;
    transition: width 0.5s cubic-bezier(0.34,1.56,0.64,1);
    border-radius: 0;
    min-width: 0;
}

.fkc-bar-contrib  { background: var(--fkc-bar-contrib-clr);  }
.fkc-bar-employer { background: var(--fkc-bar-employer-clr); }
.fkc-bar-growth   { background: var(--fkc-bar-growth-clr);   }

.fkc-breakdown-legend {
    display: flex;
    gap: 1rem;
    margin-top: 0.6rem;
    flex-wrap: wrap;
}

.fkc-legend-item {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--fkc-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.fkc-legend-item::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

.fkc-legend-contrib::before  { background: var(--fkc-bar-contrib-clr); }
.fkc-legend-employer::before { background: var(--fkc-bar-employer-clr); }
.fkc-legend-growth::before   { background: var(--fkc-bar-growth-clr); }

/* ─── TABLE TOGGLE ───────────────────────────────────────────────────────── */
.fkc-table-toggle {
    margin-bottom: 0.85rem;
}

.fkc-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.9rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--fkc-accent-dark);
    background: var(--fkc-accent-light);
    border: 1px solid #bae6fd;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.fkc-toggle-btn:hover {
    background: var(--fkc-accent-hover);
    border-color: var(--fkc-accent);
}

/* ─── YEAR-BY-YEAR TABLE ─────────────────────────────────────────────────── */
.fkc-table-wrap {
    animation: fkc-fadein 0.25s ease;
}

.fkc-table-scroll {
    overflow-x: auto;
    border: 1px solid var(--fkc-border);
    border-radius: 9px;
}

.fkc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
    color: var(--fkc-text-secondary);
}

.fkc-table thead th {
    background: var(--fkc-bg-muted);
    color: var(--fkc-text-primary);
    font-weight: 700;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.6rem 0.85rem;
    text-align: right;
    white-space: nowrap;
    border-bottom: 1px solid var(--fkc-border);
}

.fkc-table thead th:first-child,
.fkc-table thead th:nth-child(2) {
    text-align: left;
}

.fkc-table tbody td {
    padding: 0.52rem 0.85rem;
    text-align: right;
    border-bottom: 1px solid var(--fkc-border-soft);
    font-variant-numeric: tabular-nums;
}

.fkc-table tbody td:first-child,
.fkc-table tbody td:nth-child(2) {
    text-align: left;
    font-weight: 600;
    color: var(--fkc-text-primary);
}

.fkc-table tbody tr:last-child td {
    border-bottom: none;
}

.fkc-table tbody tr:hover td {
    background: var(--fkc-bg-soft);
}

.fkc-table tbody tr.fkc-row-highlight td {
    background: var(--fkc-accent-light);
    font-weight: 700;
    color: var(--fkc-accent-dark);
}

/* ─── TAX ROW VISIBILITY (controlled via JS) ─────────────────────────────── */
.fkc-tax-row {
    transition: opacity 0.2s;
}

.fkc-tax-row.fkc-hidden {
    opacity: 0.4;
    pointer-events: none;
}

/* ─── RESPONSIVE — TABLET ────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .fkc-inputs {
        grid-template-columns: 1fr 1fr;
        gap: 0.85rem 1rem;
    }

    .fkc-results-grid {
        grid-template-columns: 1fr 1fr;
    }

    .fkc-result-primary {
        grid-column: 1 / -1;
    }

    .fkc-tabs {
        width: 100%;
    }

    .fkc-tab {
        flex: 1;
        text-align: center;
    }
}

/* ─── RESPONSIVE — MOBILE ────────────────────────────────────────────────── */
@media (max-width: 520px) {
    .fkc-inputs {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .fkc-full-row {
        grid-column: 1;
    }

    .fkc-results-grid {
        grid-template-columns: 1fr;
    }

    .fkc-result-primary {
        grid-column: 1;
    }

    .fkc-result-primary .fkc-r-primary-real {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid #bae6fd;
        padding-top: 0.5rem;
        margin-top: 0.25rem;
    }

    .fkc-result-value {
        font-size: 1.25rem;
    }

    .fkc-result-primary .fkc-result-value {
        font-size: 1.55rem;
    }

    .fkc-breakdown-legend {
        flex-direction: column;
        gap: 0.4rem;
    }

    .fkc-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .fkc-submit-btn,
    .fkc-clear-btn {
        justify-content: center;
        width: 100%;
    }
}