/* ============================================================
   PlanSmart Account Optimizer – Frontend Styles
   Uses PlanSmartFi theme CSS variables where possible.
   Falls back to inline values if variables are not defined.
   ============================================================ */

/* ── Variables / fallbacks ───────────────────────────────────────────────── */
#pso-optimizer {
    --pso-ink:     var(--ink,     #0a0a0f);
    --pso-bg:      var(--bg,      #faf9f6);
    --pso-violet:  var(--violet,  #4a3fbf);
    --pso-amber:   var(--amber,   #c98a00);
    --pso-muted:   var(--muted,   #7a7a9a);
    --pso-success: #2d9e6b;
    --pso-danger:  #cc3333;
    --pso-warning: #c98a00;
    --pso-radius:  8px;
    --pso-shadow:  0 2px 12px rgba(10,10,15,0.08);
    --pso-border:  1px solid rgba(10,10,15,0.1);
    font-family:   var(--font-body, 'DM Sans', system-ui, sans-serif);
    color:         var(--pso-ink);
    max-width:     860px;
    margin:        0 auto;
}

/* ── Cards ───────────────────────────────────────────────────────────────── */
.pso-card {
    background:    var(--pso-bg);
    border:        var(--pso-border);
    border-radius: var(--pso-radius);
    padding:       28px 32px;
    margin-bottom: 20px;
    box-shadow:    var(--pso-shadow);
}
.pso-card-title {
    font-family:   var(--font-headline, 'Syne', sans-serif);
    font-weight:   800;
    font-size:     1.45rem;
    color:         var(--pso-ink);
    margin-top:    0;
    margin-bottom: 6px;
}
.pso-card-subtitle {
    color:         var(--pso-muted);
    font-size:     0.95rem;
    margin-bottom: 24px;
}
.pso-section-title {
    font-family:   var(--font-headline, 'Syne', sans-serif);
    font-weight:   800;
    font-size:     1.1rem;
    color:         var(--pso-ink);
    margin-top:    28px;
    margin-bottom: 12px;
}
.pso-divider {
    border:        none;
    border-top:    1px solid rgba(10,10,15,0.1);
    margin:        24px 0;
}

/* ── Input grid ──────────────────────────────────────────────────────────── */
.pso-inputs-grid {
    display:               grid;
    grid-template-columns: 1fr 1fr;
    gap:                   16px 24px;
}
@media (max-width: 600px) {
    .pso-inputs-grid { grid-template-columns: 1fr; }
    .pso-card { padding: 20px 16px; }
}

.pso-field {
    display:        flex;
    flex-direction: column;
    gap:            6px;
}
.pso-field label {
    font-weight: 600;
    font-size:   0.9rem;
    color:       var(--pso-ink);
}
.pso-field input[type="number"],
.pso-field select {
    border:        var(--pso-border);
    border-radius: var(--pso-radius);
    padding:       10px 12px;
    font-size:     1rem;
    background:    #fff;
    color:         var(--pso-ink);
    transition:    border-color 0.15s;
    width:         100%;
    box-sizing:    border-box;
}
.pso-field input:focus,
.pso-field select:focus {
    outline:       none;
    border-color:  var(--pso-violet);
    box-shadow:    0 0 0 3px rgba(74,63,191,0.12);
}
.pso-field input.pso-error {
    border-color: var(--pso-danger);
}
.pso-hint {
    font-size:  0.8rem;
    color:      var(--pso-muted);
}
.pso-home-row {
    display:     flex;
    gap:         12px;
    align-items: center;
}
.pso-home-row input[type="number"] { flex: 1; }
.pso-checkbox-label {
    display:     flex;
    align-items: center;
    gap:         6px;
    font-size:   0.9rem;
    white-space: nowrap;
}

/* ── Toggles bar ─────────────────────────────────────────────────────────── */
.pso-toggles-card { padding: 16px 32px; }
.pso-toggles-row {
    display:     flex;
    flex-wrap:   wrap;
    gap:         20px;
    align-items: center;
}
.pso-toggle-label {
    display:     flex;
    align-items: center;
    gap:         10px;
    cursor:      pointer;
    font-size:   0.9rem;
    font-weight: 600;
}
/* Hide native checkbox */
.pso-toggle-label input[type="checkbox"] { display: none; }
.pso-toggle-track {
    position:      relative;
    width:         40px;
    height:        22px;
    background:    #ddd;
    border-radius: 11px;
    transition:    background 0.2s;
    flex-shrink:   0;
}
.pso-toggle-thumb {
    position:      absolute;
    top:           3px;
    left:          3px;
    width:         16px;
    height:        16px;
    background:    #fff;
    border-radius: 50%;
    transition:    left 0.2s;
    box-shadow:    0 1px 3px rgba(0,0,0,0.2);
}
.pso-toggle-label input:checked + .pso-toggle-track { background: var(--pso-violet); }
.pso-toggle-label input:checked + .pso-toggle-track .pso-toggle-thumb { left: 21px; }

/* ── Tooltip ─────────────────────────────────────────────────────────────── */
.pso-tooltip {
    display:          inline-flex;
    align-items:      center;
    justify-content:  center;
    width:            16px;
    height:           16px;
    border-radius:    50%;
    background:       var(--pso-muted);
    color:            #fff;
    font-size:        0.7rem;
    font-weight:      700;
    cursor:           help;
    position:         relative;
    vertical-align:   middle;
    margin-left:      4px;
}
.pso-tooltip::after {
    content:          attr(data-tip);
    position:         absolute;
    bottom:           calc(100% + 6px);
    left:             50%;
    transform:        translateX(-50%);
    background:       var(--pso-ink);
    color:            #fff;
    font-size:        0.8rem;
    font-weight:      400;
    padding:          6px 10px;
    border-radius:    6px;
    white-space:      normal;
    width:            220px;
    text-align:       center;
    opacity:          0;
    pointer-events:   none;
    transition:       opacity 0.2s;
    z-index:          100;
    line-height:      1.4;
}
.pso-tooltip:hover::after { opacity: 1; }

/* ── Priority label ──────────────────────────────────────────────────────── */
.pso-priority-label {
    font-size:     0.95rem;
    color:         var(--pso-muted);
    margin-bottom: 16px;
}
.pso-priority-label strong { color: var(--pso-violet); }

/* ── Callout box ─────────────────────────────────────────────────────────── */
.pso-callout {
    display:       flex;
    align-items:   center;
    gap:           12px;
    background:    rgba(74,63,191,0.06);
    border-left:   4px solid var(--pso-violet);
    border-radius: 0 var(--pso-radius) var(--pso-radius) 0;
    padding:       14px 18px;
    margin:        16px 0;
    flex-wrap:     wrap;
}
.pso-callout-label { font-size: 0.9rem; color: var(--pso-muted); }
.pso-callout-value {
    font-family:   var(--font-headline, 'Syne', sans-serif);
    font-weight:   800;
    font-size:     1.6rem;
    color:         var(--pso-violet);
}
.pso-callout-note { font-size: 0.8rem; color: var(--pso-muted); }

/* ── Split bars ──────────────────────────────────────────────────────────── */
.pso-split-bars { margin-bottom: 20px; }
.pso-bar-item {
    display:     flex;
    align-items: center;
    gap:         10px;
    margin-bottom: 8px;
}
.pso-bar-label {
    width:      48px;
    font-weight: 700;
    font-size:  0.85rem;
    flex-shrink: 0;
}
.pso-bar-track {
    flex:       1;
    height:     24px;
    background: rgba(10,10,15,0.06);
    border-radius: 6px;
    overflow:   hidden;
}
.pso-bar-fill {
    height:        100%;
    border-radius: 6px;
    display:       flex;
    align-items:   center;
    padding-left:  8px;
    min-width:     40px;
    transition:    width 0.4s ease;
}
.pso-bar-pct { font-size: 0.75rem; color: #fff; font-weight: 700; }
.pso-bar-amount {
    font-size:   0.85rem;
    font-weight: 700;
    width:       90px;
    text-align:  right;
    flex-shrink: 0;
}

/* ── Tables ──────────────────────────────────────────────────────────────── */
.pso-split-table-wrap { overflow-x: auto; }
.pso-table {
    width:           100%;
    border-collapse: collapse;
    font-size:       0.9rem;
}
.pso-table thead tr {
    background: var(--pso-violet);
    color:      #fff;
}
.pso-table thead th {
    padding:    10px 14px;
    text-align: left;
    font-weight: 700;
}
.pso-table tbody tr:nth-child(even) {
    background: rgba(10,10,15,0.03);
}
.pso-table tbody td {
    padding:       9px 14px;
    border-bottom: 1px solid rgba(10,10,15,0.06);
    vertical-align: top;
}
.pso-table-note {
    font-size:  0.78rem;
    color:      var(--pso-muted);
    display:    block;
    font-weight: normal;
}
.pso-table-total td {
    background: rgba(74,63,191,0.06) !important;
    font-weight: 700;
    border-top:  2px solid var(--pso-violet);
}

/* ── Notice / alert ──────────────────────────────────────────────────────── */
.pso-notice {
    padding:       12px 16px;
    border-radius: var(--pso-radius);
    font-size:     0.9rem;
    margin-top:    12px;
}
.pso-notice-success {
    background:  rgba(45,158,107,0.08);
    border-left: 4px solid var(--pso-success);
    color:       var(--pso-success);
}

/* ── Cost of doing nothing ───────────────────────────────────────────────── */
.pso-cost-section { margin-top: 8px; }
.pso-cost-card {
    background:    rgba(201,138,0,0.05);
    border:        1px solid rgba(201,138,0,0.3);
    border-radius: var(--pso-radius);
    padding:       20px;
}
.pso-badge {
    display:       inline-block;
    font-size:     0.75rem;
    font-weight:   700;
    padding:       3px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
    letter-spacing: 0.04em;
}
.pso-badge-danger  { background: #ffeaea; color: var(--pso-danger); }
.pso-badge-warning { background: rgba(201,138,0,0.12); color: var(--pso-amber); }
.pso-badge-neutral { background: rgba(122,122,154,0.12); color: var(--pso-muted); }
.pso-cost-headline {
    font-size:     1rem;
    margin-bottom: 14px;
}
.pso-cost-comparison {
    display:   flex;
    gap:       16px;
    flex-wrap: wrap;
    margin:    12px 0;
}
.pso-cost-col {
    flex:          1;
    min-width:     160px;
    padding:       14px 16px;
    border-radius: var(--pso-radius);
    text-align:    center;
}
.pso-cost-col-registered { background: rgba(74,63,191,0.08); }
.pso-cost-col-savings    { background: rgba(10,10,15,0.04); }
.pso-cost-col-label { font-size: 0.82rem; color: var(--pso-muted); margin-bottom: 4px; }
.pso-cost-col-value {
    font-family:   var(--font-headline, 'Syne', sans-serif);
    font-weight:   800;
    font-size:     1.4rem;
    color:         var(--pso-violet);
}
.pso-value-muted { color: var(--pso-muted) !important; }
.pso-cost-note { font-size: 0.88rem; color: var(--pso-ink); margin-top: 8px; }

/* ── What if I wait ──────────────────────────────────────────────────────── */
.pso-wait-section { margin-top: 8px; }
.pso-slider-row {
    display:     flex;
    align-items: center;
    gap:         16px;
    flex-wrap:   wrap;
    margin-bottom: 12px;
}
.pso-slider-row label { font-size: 0.9rem; font-weight: 600; }
#pso-wait-slider {
    flex:         1;
    min-width:    180px;
    accent-color: var(--pso-violet);
}
.pso-wait-comparison {
    display:   flex;
    gap:       16px;
    flex-wrap: wrap;
    margin:    12px 0;
}
.pso-wait-col {
    flex:          1;
    min-width:     140px;
    padding:       14px 16px;
    border-radius: var(--pso-radius);
    text-align:    center;
    background:    rgba(10,10,15,0.03);
}
.pso-wait-col-label { font-size: 0.82rem; color: var(--pso-muted); margin-bottom: 4px; }
.pso-wait-col-value {
    font-family: var(--font-headline, 'Syne', sans-serif);
    font-weight: 800;
    font-size:   1.3rem;
}
.pso-value-positive { color: var(--pso-success); }
.pso-value-warning  { color: var(--pso-amber); }
.pso-wait-headline  { font-size: 0.95rem; }
.pso-wait-neutral   { color: var(--pso-muted); font-style: italic; }

/* ── Side-by-side comparison ─────────────────────────────────────────────── */
.pso-compare-controls {
    display:     flex;
    align-items: center;
    gap:         10px;
    margin-bottom: 16px;
    font-size:   0.9rem;
}
.pso-compare-controls select {
    border:        var(--pso-border);
    border-radius: 6px;
    padding:       6px 10px;
}
.pso-compare-grid {
    display:   flex;
    gap:       16px;
    flex-wrap: wrap;
    margin:    12px 0;
}
.pso-compare-col {
    flex:          1;
    min-width:     180px;
    padding:       18px;
    border-radius: var(--pso-radius);
    text-align:    center;
}
.pso-compare-col-a { background: rgba(74,63,191,0.08); border: 1px solid rgba(74,63,191,0.2); }
.pso-compare-col-b { background: rgba(201,138,0,0.06); border: 1px solid rgba(201,138,0,0.2); }
.pso-compare-col-header { font-size: 0.82rem; font-weight: 700; color: var(--pso-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.pso-compare-col-value {
    font-family:   var(--font-headline, 'Syne', sans-serif);
    font-weight:   800;
    font-size:     1.5rem;
    margin-bottom: 4px;
}
.pso-compare-col-sub { font-size: 0.8rem; color: var(--pso-muted); }
.pso-compare-verdict { font-size: 0.95rem; margin: 12px 0; }
#pso-compare-chart  { margin-top: 16px; }

/* ── Trending tip banner ─────────────────────────────────────────────────── */
.pso-tip-banner,
.pso-tip-inline {
    background:    rgba(74,63,191,0.07);
    border:        1px solid rgba(74,63,191,0.2);
    border-radius: var(--pso-radius);
    padding:       14px 18px;
    font-size:     0.92rem;
    margin-bottom: 16px;
    color:         var(--pso-ink);
    line-height:   1.5;
}
.pso-tip-banner { margin-bottom: 0; margin-top: 0; }

/* ── Share section ───────────────────────────────────────────────────────── */
.pso-share-section { margin-top: 8px; }
.pso-share-row {
    display:   flex;
    flex-wrap: wrap;
    gap:       10px;
    margin-bottom: 10px;
}
.pso-copy-confirm {
    font-size:  0.85rem;
    color:      var(--pso-success);
    height:     20px;
    opacity:    0;
    transition: opacity 0.3s;
}
.pso-copy-visible { opacity: 1; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.pso-btn {
    display:        inline-flex;
    align-items:    center;
    gap:            6px;
    padding:        10px 18px;
    border-radius:  var(--pso-radius);
    font-size:      0.9rem;
    font-weight:    700;
    cursor:         pointer;
    border:         2px solid transparent;
    text-decoration:none;
    transition:     background 0.15s, color 0.15s, border-color 0.15s;
    white-space:    nowrap;
}
.pso-btn-primary {
    background:  var(--pso-violet);
    color:       #fff;
    border-color:var(--pso-violet);
}
.pso-btn-primary:hover { background: #3d33a0; border-color: #3d33a0; }
.pso-btn-outline {
    background:  transparent;
    color:       var(--pso-violet);
    border-color:var(--pso-violet);
}
.pso-btn-outline:hover { background: rgba(74,63,191,0.06); }
.pso-btn-social { font-size: 0.82rem; padding: 8px 14px; }
.pso-btn-twitter  { background: #000; color: #fff; border-color: #000; }
.pso-btn-linkedin { background: #0077b5; color: #fff; border-color: #0077b5; }
.pso-btn-facebook { background: #1877f2; color: #fff; border-color: #1877f2; }
.pso-btn-twitter:hover  { background: #222; }
.pso-btn-linkedin:hover { background: #005e8e; }
.pso-btn-facebook:hover { background: #0e5db0; }
.pso-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.pso-pdf-row { margin-top: 20px; text-align: center; }

/* ── Modal ───────────────────────────────────────────────────────────────── */
.pso-modal {
    position:   fixed;
    inset:      0;
    display:    flex;
    align-items:center;
    justify-content:center;
    z-index:    9999;
}
.pso-modal-backdrop {
    position:   absolute;
    inset:      0;
    background: rgba(10,10,15,0.5);
}
.pso-modal-box {
    position:      relative;
    background:    var(--pso-bg, #faf9f6);
    border-radius: 12px;
    padding:       32px 36px;
    max-width:     440px;
    width:         calc(100% - 32px);
    box-shadow:    0 8px 40px rgba(10,10,15,0.25);
    z-index:       1;
}
.pso-modal-close {
    position:   absolute;
    top:        14px;
    right:      16px;
    background: none;
    border:     none;
    font-size:  1.4rem;
    cursor:     pointer;
    color:      var(--pso-muted);
    line-height:1;
}
.pso-modal-box h3 {
    margin-top:    0;
    font-family:   var(--font-headline, 'Syne', sans-serif);
    font-weight:   800;
    color:         var(--pso-ink);
}
.pso-modal-label {
    display:       block;
    font-weight:   600;
    font-size:     0.9rem;
    margin:        14px 0 6px;
}
.pso-modal-input {
    width:         100%;
    padding:       10px 12px;
    border:        var(--pso-border);
    border-radius: var(--pso-radius);
    font-size:     1rem;
    box-sizing:    border-box;
}
.pso-modal-input:focus { outline: none; border-color: var(--pso-violet); box-shadow: 0 0 0 3px rgba(74,63,191,0.12); }
.pso-modal-checkbox {
    display:     flex;
    align-items: center;
    gap:         8px;
    font-size:   0.9rem;
    margin-top:  10px;
    cursor:      pointer;
}
.pso-modal-note {
    font-size:  0.82rem;
    color:      var(--pso-muted);
    margin:     10px 0 18px;
}
.pso-modal-actions {
    display:     flex;
    gap:         10px;
    flex-wrap:   wrap;
    margin-top:  6px;
}
#pso-modal-status {
    font-size:  0.88rem;
    min-height: 22px;
    margin-top: 10px;
    color:      var(--pso-success);
}

/* ── Disclaimer ──────────────────────────────────────────────────────────── */
.pso-disclaimer {
    font-size:   0.82rem;
    color:       var(--pso-muted);
    text-align:  center;
    margin-top:  24px;
    line-height: 1.6;
    padding:     0 8px;
}

/* ── Dark mode ───────────────────────────────────────────────────────────── */
[data-theme="dark"] #pso-optimizer {
    --pso-bg:      #12121a;
    --pso-ink:     #f0eeea;
    --pso-border:  1px solid rgba(255,255,255,0.1);
    --pso-shadow:  0 2px 12px rgba(0,0,0,0.35);
    --pso-violet:  #6b5fd8;
    --pso-amber:   #f0a500;
}
[data-theme="dark"] .pso-field input[type="number"],
[data-theme="dark"] .pso-field select,
[data-theme="dark"] .pso-modal-input,
[data-theme="dark"] .pso-compare-controls select {
    background: #1e1e2a;
    color:      #f0eeea;
    border-color: rgba(255,255,255,0.12);
}
[data-theme="dark"] .pso-modal-box { background: #12121a; }
[data-theme="dark"] .pso-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.03); }
[data-theme="dark"] .pso-bar-track { background: rgba(255,255,255,0.08); }

/* ============================================================
   v2.1.0 additions
   ============================================================ */

/* ── FIX U2: field-level error messages ─────────────────────────────────── */
.pso-field-error {
    display:    block;
    font-size:  0.8rem;
    color:      var(--pso-danger, #cc3333);
    margin-top: 3px;
    font-weight: 600;
}
.pso-field input.pso-error {
    border-color: var(--pso-danger, #cc3333);
    box-shadow:   0 0 0 3px rgba(204,51,51,0.1);
}

/* ── FIX U3: PDF modal spinner ───────────────────────────────────────────── */
.pso-spinner {
    display:       inline-block;
    width:         14px;
    height:        14px;
    border:        2px solid rgba(74,63,191,0.25);
    border-top:    2px solid var(--pso-violet, #4a3fbf);
    border-radius: 50%;
    animation:     pso-spin 0.7s linear infinite;
    margin-right:  6px;
    vertical-align: middle;
}
@keyframes pso-spin {
    to { transform: rotate(360deg); }
}

/* ── FIX C2/C3: info and warning notice variants ─────────────────────────── */
.pso-notice-warning {
    background:  rgba(201,138,0,0.08);
    border-left: 4px solid var(--pso-amber, #c98a00);
    color:       #7a4f00;
    font-size:   0.88rem;
    padding:     12px 16px;
    border-radius: var(--pso-radius, 8px);
    margin-top:  12px;
}
.pso-notice-info {
    background:  rgba(74,63,191,0.06);
    border-left: 4px solid var(--pso-violet, #4a3fbf);
    color:       var(--pso-ink, #0a0a0f);
    font-size:   0.85rem;
    padding:     12px 16px;
    border-radius: var(--pso-radius, 8px);
    margin-top:  12px;
}

/* ── Dark mode additions ─────────────────────────────────────────────────── */
[data-theme="dark"] .pso-notice-warning { color: #f0c060; }
[data-theme="dark"] .pso-notice-info    { color: #a89fe8; }

/* ============================================================
   v2.2.0 additions
   ============================================================ */

/* ── F1: Savings grid ────────────────────────────────────────────────────── */
.pso-savings-grid {
    display:               grid;
    grid-template-columns: 1fr 1fr;
    gap:                   16px 24px;
    align-items:           end;
}
@media (max-width: 600px) {
    .pso-savings-grid { grid-template-columns: 1fr; }
}
.pso-savings-total-wrap {
    grid-column: 1 / -1;
    display:     flex;
    align-items: center;
    gap:         12px;
    padding:     12px 16px;
    background:  rgba(74,63,191,0.05);
    border:      1px solid rgba(74,63,191,0.15);
    border-radius: var(--pso-radius, 8px);
}
.pso-savings-total-label {
    font-size:   0.88rem;
    color:       var(--pso-muted, #7a7a9a);
    font-weight: 600;
}
.pso-savings-total-value {
    font-family:   var(--font-headline, 'Syne', sans-serif);
    font-weight:   800;
    font-size:     1.25rem;
    color:         var(--pso-muted, #7a7a9a);
    transition:    color 0.2s;
}
.pso-savings-total-nonzero { color: var(--pso-violet, #4a3fbf) !important; }

/* ── F2: Clear button ────────────────────────────────────────────────────── */
.pso-card-header-row {
    display:     flex;
    align-items: flex-start;
    justify-content: space-between;
    gap:         12px;
    margin-bottom: 4px;
}
.pso-btn-ghost {
    background:  transparent;
    border:      1px solid rgba(122,122,154,0.3);
    color:       var(--pso-muted, #7a7a9a);
    font-size:   0.82rem;
    font-weight: 600;
    padding:     6px 12px;
    border-radius: 20px;
    cursor:      pointer;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top:  4px;
    transition:  border-color 0.15s, color 0.15s;
}
.pso-btn-ghost:hover {
    border-color: var(--pso-violet, #4a3fbf);
    color:        var(--pso-violet, #4a3fbf);
}

/* ── F3: Home ownership gate card ───────────────────────────────────────── */
.pso-gate-card { padding: 24px 32px; }
.pso-radio-legend {
    font-weight:   700;
    font-size:     0.95rem;
    color:         var(--pso-ink, #0a0a0f);
    margin-bottom: 12px;
    display:       block;
}
.pso-radio-group {
    border: none;
    margin: 0;
    padding: 0;
}
.pso-radio-label {
    display:     flex;
    align-items: center;
    gap:         10px;
    padding:     10px 14px;
    border:      1px solid rgba(10,10,15,0.1);
    border-radius: var(--pso-radius, 8px);
    cursor:      pointer;
    font-size:   0.9rem;
    margin-bottom: 8px;
    transition:  border-color 0.15s, background 0.15s;
}
.pso-radio-label:hover { border-color: var(--pso-violet, #4a3fbf); background: rgba(74,63,191,0.03); }
.pso-radio-label input[type="radio"] { display: none; }
.pso-radio-custom {
    width:         18px;
    height:        18px;
    border:        2px solid #ccc;
    border-radius: 50%;
    flex-shrink:   0;
    position:      relative;
    transition:    border-color 0.15s;
}
.pso-radio-label input[type="radio"]:checked ~ .pso-radio-custom {
    border-color: var(--pso-violet, #4a3fbf);
}
.pso-radio-label input[type="radio"]:checked ~ .pso-radio-custom::after {
    content:       '';
    position:      absolute;
    top:           3px; left: 3px;
    width:         8px; height: 8px;
    border-radius: 50%;
    background:    var(--pso-violet, #4a3fbf);
}
.pso-radio-label input[type="radio"]:checked + .pso-radio-custom { border-color: var(--pso-violet, #4a3fbf); }

/* ── F5/F6: Return rate slider ───────────────────────────────────────────── */
.pso-section-subtitle {
    font-size:     0.88rem;
    color:         var(--pso-muted, #7a7a9a);
    margin-top:    -8px;
    margin-bottom: 14px;
}
.pso-return-row {
    display:     flex;
    align-items: center;
    gap:         16px;
    margin-bottom: 6px;
}
#pso-return-rate {
    flex:         1;
    accent-color: var(--pso-violet, #4a3fbf);
}
.pso-return-display {
    font-family:   var(--font-headline, 'Syne', sans-serif);
    font-weight:   800;
    font-size:     1.4rem;
    color:         var(--pso-violet, #4a3fbf);
    min-width:     52px;
    text-align:    right;
}
.pso-return-scale {
    display:         flex;
    justify-content: space-between;
    font-size:       0.75rem;
    color:           var(--pso-muted, #7a7a9a);
    margin-bottom:   4px;
}
.pso-return-scale em { font-style: italic; display: block; }

/* ── F4/F5: Zero-room notice and return callout in results ───────────────── */
#pso-zero-room-notice { margin-bottom: 12px; }

.pso-return-callout {
    display:       flex;
    align-items:   center;
    background:    rgba(74,63,191,0.05);
    border-left:   3px solid var(--pso-violet, #4a3fbf);
    border-radius: 0 6px 6px 0;
    padding:       8px 14px;
    margin-bottom: 14px;
    font-size:     0.88rem;
    color:         var(--pso-ink, #0a0a0f);
}
.pso-return-callout-text strong { color: var(--pso-violet, #4a3fbf); }

/* ── Dark mode additions ─────────────────────────────────────────────────── */
[data-theme="dark"] .pso-radio-label {
    border-color: rgba(255,255,255,0.1);
    color: #f0eeea;
}
[data-theme="dark"] .pso-radio-label:hover {
    background: rgba(74,63,191,0.12);
}
[data-theme="dark"] .pso-savings-total-wrap {
    background: rgba(74,63,191,0.1);
    border-color: rgba(74,63,191,0.25);
}
[data-theme="dark"] .pso-btn-ghost {
    border-color: rgba(255,255,255,0.15);
    color: #a8a8c8;
}
[data-theme="dark"] .pso-return-callout {
    background: rgba(74,63,191,0.12);
}