/*
 * Take Home Pay Calculator - style.css
 * Path: /public_html/tools/take-home-pay-calculator/style.css
 * Namespace: .usk-tool
 */

/* ============================================================
   VISUALLY HIDDEN H1 (SEO + Rank Math)
   ============================================================ */
.usajobskit-page-title {
    position:   absolute;
    width:      1px;
    height:     1px;
    padding:    0;
    margin:     -1px;
    overflow:   hidden;
    clip:       rect(0, 0, 0, 0);
    white-space:nowrap;
    border:     0;
}

/* ============================================================
   SCREEN READER ONLY
   ============================================================ */
.usk-sr-only {
    position:   absolute;
    width:      1px;
    height:     1px;
    padding:    0;
    margin:     -1px;
    overflow:   hidden;
    clip:       rect(0, 0, 0, 0);
    white-space:nowrap;
    border:     0;
}

/* ============================================================
   CSS VARIABLES
   ============================================================ */
.usk-tool {
    --usk-primary:      #1D4ED8;
    --usk-primary-hov:  #1E40AF;
    --usk-navy:         #0F172A;
    --usk-success:      #10B981;
    --usk-error:        #DC2626;
    --usk-warning:      #F59E0B;
    --usk-bg:           #F8FAFC;
    --usk-white:        #FFFFFF;
    --usk-border:       #E5E7EB;
    --usk-border-focus: #1D4ED8;
    --usk-text:         #0F172A;
    --usk-text-muted:   #64748B;
    --usk-text-light:   #94A3B8;
    --usk-card-shadow:  0 1px 4px rgba(15,23,42,0.07), 0 4px 16px rgba(15,23,42,0.05);
    --usk-radius:       12px;
    --usk-radius-sm:    8px;
    --usk-radius-lg:    16px;
    --usk-transition:   0.18s ease;
    font-family:        inherit;
    color:              var(--usk-text);
    background:         transparent;
    max-width:          1200px;
    margin:             0 auto;
    padding:            0 16px 48px;
    box-sizing:         border-box;
}

.usk-tool *,
.usk-tool *::before,
.usk-tool *::after {
    box-sizing: border-box;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.usk-tool .usk-hero {
    background:    linear-gradient(135deg, #1D4ED8 0%, #1E40AF 50%, #1e3a8a 100%);
    border-radius: var(--usk-radius-lg);
    padding:       48px 40px 44px;
    margin-bottom: 32px;
    position:      relative;
    overflow:      hidden;
}

.usk-tool .usk-hero::before {
    content:       '';
    position:      absolute;
    top:           -60px;
    right:         -60px;
    width:         260px;
    height:        260px;
    background:    rgba(255,255,255,0.05);
    border-radius: 50%;
    pointer-events:none;
}

.usk-tool .usk-hero::after {
    content:       '';
    position:      absolute;
    bottom:        -80px;
    left:          -40px;
    width:         200px;
    height:        200px;
    background:    rgba(255,255,255,0.04);
    border-radius: 50%;
    pointer-events:none;
}

.usk-tool .usk-hero-inner {
    position: relative;
    z-index:  1;
}

.usk-tool .usk-hero-badge {
    display:        inline-flex;
    align-items:    center;
    gap:            6px;
    background:     rgba(255,255,255,0.15);
    border:         1px solid rgba(255,255,255,0.25);
    border-radius:  20px;
    padding:        5px 14px;
    font-size:      12px;
    font-weight:    600;
    color:          #fff;
    letter-spacing: 0.03em;
    margin-bottom:  18px;
}

.usk-tool .usk-badge-icon {
    font-size: 14px;
}

.usk-tool .usk-hero-subtitle {
    font-size:     clamp(22px, 4vw, 32px);
    font-weight:   800;
    color:         #fff;
    margin:        0 0 14px;
    line-height:   1.25;
    letter-spacing:-0.01em;
}

.usk-tool .usk-hero-desc {
    font-size:   16px;
    color:       rgba(255,255,255,0.85);
    margin:      0 0 24px;
    max-width:   620px;
    line-height: 1.6;
}

.usk-tool .usk-hero-trust-row {
    display:   flex;
    flex-wrap: wrap;
    gap:       10px;
}

.usk-tool .usk-trust-pill {
    display:       inline-flex;
    align-items:   center;
    gap:           6px;
    background:    rgba(255,255,255,0.12);
    border:        1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    padding:       5px 12px;
    font-size:     12px;
    font-weight:   600;
    color:         #fff;
}

/* ============================================================
   SECTION LABELS + TITLES
   ============================================================ */
.usk-tool .usk-section-label {
    font-size:      11px;
    font-weight:    700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color:          var(--usk-primary);
    margin-bottom:  14px;
}

.usk-tool .usk-section-title {
    font-size:   clamp(18px, 3vw, 24px);
    font-weight: 800;
    color:       var(--usk-navy);
    margin:      0 0 20px;
    line-height: 1.3;
}

.usk-tool .usk-section-desc {
    font-size:   15px;
    color:       var(--usk-text-muted);
    margin:      -10px 0 20px;
    line-height: 1.6;
}

/* ============================================================
   KEY FACTS
   ============================================================ */
.usk-tool .usk-key-facts {
    margin-bottom: 36px;
}

.usk-tool .usk-facts-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap:                   14px;
}

.usk-tool .usk-fact-card {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       20px 16px;
    text-align:    center;
    transition:    box-shadow var(--usk-transition), transform var(--usk-transition);
}

.usk-tool .usk-fact-card:hover {
    box-shadow: var(--usk-card-shadow);
    transform:  translateY(-2px);
}

.usk-tool .usk-fact-icon {
    font-size:     24px;
    margin-bottom: 8px;
}

.usk-tool .usk-fact-value {
    font-size:   18px;
    font-weight: 800;
    color:       var(--usk-primary);
    line-height: 1.2;
    margin-bottom:4px;
}

.usk-tool .usk-fact-label {
    font-size:   12px;
    color:       var(--usk-text-muted);
    line-height: 1.4;
}

/* ============================================================
   AUDIENCE CARDS
   ============================================================ */
.usk-tool .usk-audience {
    margin-bottom: 36px;
}

.usk-tool .usk-audience-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap:                   14px;
}

.usk-tool .usk-audience-card {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       22px 18px;
    transition:    box-shadow var(--usk-transition), border-color var(--usk-transition);
}

.usk-tool .usk-audience-card:hover {
    border-color: var(--usk-primary);
    box-shadow:   0 0 0 3px rgba(29,78,216,0.06);
}

.usk-tool .usk-audience-icon {
    font-size:     28px;
    margin-bottom: 10px;
}

.usk-tool .usk-audience-title {
    font-size:     15px;
    font-weight:   700;
    color:         var(--usk-navy);
    margin-bottom: 6px;
}

.usk-tool .usk-audience-desc {
    font-size:   13px;
    color:       var(--usk-text-muted);
    line-height: 1.55;
}

/* ============================================================
   CALCULATOR SECTION + FORM
   ============================================================ */
.usk-tool .usk-calculator-section {
    background:    var(--usk-white);
    border:        2px solid var(--usk-primary);
    border-radius: var(--usk-radius-lg);
    padding:       36px 32px;
    margin-bottom: 36px;
    box-shadow:    0 4px 24px rgba(29,78,216,0.08);
}

.usk-tool .usk-calc-form {
    display: block;
}

/* Fieldsets */
.usk-tool .usk-form-fieldset {
    margin-bottom:   28px;
    padding-bottom:  28px;
    border-bottom:   1px solid var(--usk-border);
}

.usk-tool .usk-form-fieldset:last-of-type {
    border-bottom:  none;
    margin-bottom:  0;
    padding-bottom: 0;
}

.usk-tool .usk-fieldset-legend {
    display:       flex;
    align-items:   center;
    gap:           12px;
    font-size:     16px;
    font-weight:   700;
    color:         var(--usk-navy);
    margin-bottom: 20px;
}

.usk-tool .usk-step-num {
    display:         flex;
    align-items:     center;
    justify-content: center;
    width:           30px;
    height:          30px;
    background:      var(--usk-primary);
    color:           #fff;
    border-radius:   50%;
    font-size:       13px;
    font-weight:     800;
    flex-shrink:     0;
}

.usk-tool .usk-optional-tag {
    font-size:   12px;
    font-weight: 500;
    color:       var(--usk-text-muted);
    margin-left: 4px;
}

.usk-tool .usk-fieldset-desc {
    font-size:   14px;
    color:       var(--usk-text-muted);
    margin:      -12px 0 16px;
    line-height: 1.5;
}

/* Form rows */
.usk-tool .usk-form-row {
    display: grid;
    gap:     16px;
}

.usk-tool .usk-row-1 { grid-template-columns: 1fr; }
.usk-tool .usk-row-2 { grid-template-columns: 1fr 1fr; }
.usk-tool .usk-row-3 { grid-template-columns: 1fr 1fr 1fr; }

/* Form groups */
.usk-tool .usk-form-group {
    display:        flex;
    flex-direction: column;
    gap:            6px;
}

/* Labels */
.usk-tool .usk-label {
    font-size:   14px;
    font-weight: 600;
    color:       var(--usk-navy);
    line-height: 1.4;
}

.usk-tool .usk-req {
    color:      var(--usk-error);
    margin-left:2px;
}

/* Inputs */
.usk-tool .usk-input {
    width:         100%;
    height:        50px;
    padding:       0 16px;
    font-size:     15px;
    font-weight:   500;
    color:         var(--usk-text);
    background:    var(--usk-white);
    border:        1.5px solid var(--usk-border);
    border-radius: var(--usk-radius-sm);
    outline:       none;
    transition:    border-color var(--usk-transition), box-shadow var(--usk-transition);
    -webkit-appearance: none;
    appearance:    none;
    font-family:   inherit;
}

.usk-tool .usk-input:focus {
    border-color: var(--usk-border-focus);
    box-shadow:   0 0 0 3px rgba(29,78,216,0.1);
}

.usk-tool .usk-input::placeholder {
    color:      var(--usk-text-light);
    font-weight:400;
}

.usk-tool .usk-input.usk-input-error {
    border-color: var(--usk-error) !important;
    box-shadow:   0 0 0 3px rgba(220,38,38,0.1) !important;
}

.usk-tool .usk-input.usk-input-valid {
    border-color: var(--usk-success);
}

/* Selects */
.usk-tool .usk-select {
    width:          100% !important;
    height:         50px !important;
    padding:        0 40px 0 16px !important;
    font-size:      15px !important;
    font-weight:    500 !important;
    color:          var(--usk-text) !important;
    background:     var(--usk-white) 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='%2364748B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 12px center !important;
    background-size:18px !important;
    border:         1.5px solid var(--usk-border) !important;
    border-radius:  var(--usk-radius-sm) !important;
    outline:        none !important;
    cursor:         pointer !important;
    transition:     border-color var(--usk-transition), box-shadow var(--usk-transition) !important;
    -webkit-appearance: none !important;
    appearance:     none !important;
    font-family:    inherit !important;
}

.usk-tool .usk-select:focus {
    border-color: var(--usk-border-focus) !important;
    box-shadow:   0 0 0 3px rgba(29,78,216,0.1) !important;
}

.usk-tool .usk-select.usk-input-error {
    border-color: var(--usk-error) !important;
    box-shadow:   0 0 0 3px rgba(220,38,38,0.1) !important;
}

/* Input with icon */
.usk-tool .usk-input-with-icon {
    position: relative;
}

.usk-tool .usk-input-icon {
    position:       absolute;
    top:            50%;
    left:           16px !important;
    transform:      translateY(-50%);
    font-size:      15px;
    font-weight:    700;
    color:          var(--usk-text-muted);
    pointer-events: none;
    z-index:        1;
    line-height:    1;
}

.usk-tool .usk-input-with-icon .usk-input {
    padding-left: 36px !important;
}

/* Help text */
.usk-tool .usk-help-text {
    font-size:   12px;
    color:       var(--usk-text-muted);
    line-height: 1.4;
}

/* Field errors */
.usk-tool .usk-field-error {
    font-size:   12px;
    color:       var(--usk-error);
    font-weight: 500;
    display:     none;
    line-height: 1.4;
}

/* Global error */
.usk-tool .usk-form-error-global {
    background:    #FEF2F2;
    border:        1px solid #FECACA;
    border-radius: var(--usk-radius-sm);
    padding:       12px 16px;
    font-size:     14px;
    font-weight:   500;
    color:         var(--usk-error);
    margin-top:    16px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.usk-tool .usk-form-actions {
    display:    flex;
    gap:        12px;
    margin-top: 28px;
    flex-wrap:  wrap;
}

.usk-tool .usk-btn-primary {
    display:         inline-flex;
    align-items:     center;
    justify-content: center;
    gap:             10px;
    min-height:      52px;
    padding:         0 32px;
    font-size:       16px;
    font-weight:     700;
    color:           #fff;
    background:      var(--usk-primary);
    border:          none;
    border-radius:   var(--usk-radius-sm);
    cursor:          pointer;
    transition:      background var(--usk-transition), transform var(--usk-transition), box-shadow var(--usk-transition);
    font-family:     inherit;
    letter-spacing:  0.01em;
    flex:            1;
    min-width:       200px;
}

.usk-tool .usk-btn-primary:hover:not(:disabled) {
    background:  var(--usk-primary-hov);
    transform:   translateY(-1px);
    box-shadow:  0 4px 16px rgba(29,78,216,0.3);
}

.usk-tool .usk-btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.usk-tool .usk-btn-primary:disabled {
    opacity: 0.7;
    cursor:  not-allowed;
}

.usk-tool .usk-btn-secondary {
    display:         inline-flex;
    align-items:     center;
    justify-content: center;
    min-height:      52px;
    padding:         0 24px;
    font-size:       15px;
    font-weight:     600;
    color:           var(--usk-text-muted);
    background:      transparent;
    border:          1.5px solid var(--usk-border);
    border-radius:   var(--usk-radius-sm);
    cursor:          pointer;
    transition:      all var(--usk-transition);
    font-family:     inherit;
}

.usk-tool .usk-btn-secondary:hover {
    border-color: var(--usk-primary);
    color:        var(--usk-primary);
    background:   rgba(29,78,216,0.04);
}

/* Loading spinner */
.usk-tool .usk-btn-spinner {
    width:         18px;
    height:        18px;
    border:        2.5px solid rgba(255,255,255,0.35);
    border-top:    2.5px solid #fff;
    border-radius: 50%;
    animation:     usk-spin 0.7s linear infinite;
    flex-shrink:   0;
}

@keyframes usk-spin {
    to { transform: rotate(360deg); }
}

/* ============================================================
   RESULTS SECTION
   ============================================================ */
.usk-tool .usk-results-section {
    margin-bottom: 36px;
    animation:     usk-fadeInUp 0.4s ease;
}

@keyframes usk-fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.usk-tool .usk-results-header {
    margin-bottom: 24px;
}

.usk-tool .usk-results-title-row {
    display:     flex;
    align-items: center;
    flex-wrap:   wrap;
    gap:         12px;
    justify-content: space-between;
}

.usk-tool .usk-results-title {
    font-size:   clamp(18px, 3vw, 22px);
    font-weight: 800;
    color:       var(--usk-navy);
    margin:      0;
}

.usk-tool .usk-results-actions {
    display:  flex;
    gap:      8px;
    flex-wrap:wrap;
}

.usk-tool .usk-action-btn {
    display:         inline-flex;
    align-items:     center;
    gap:             6px;
    height:          38px;
    padding:         0 14px;
    font-size:       13px;
    font-weight:     600;
    color:           var(--usk-text-muted);
    background:      var(--usk-white);
    border:          1.5px solid var(--usk-border);
    border-radius:   var(--usk-radius-sm);
    cursor:          pointer;
    transition:      all var(--usk-transition);
    font-family:     inherit;
}

.usk-tool .usk-action-btn:hover {
    border-color: var(--usk-primary);
    color:        var(--usk-primary);
}

.usk-tool .usk-action-btn-recalc {
    background:  var(--usk-primary);
    color:       #fff;
    border-color:var(--usk-primary);
}

.usk-tool .usk-action-btn-recalc:hover {
    background:  var(--usk-primary-hov);
    border-color:var(--usk-primary-hov);
    color:       #fff;
}

/* Hero result card */
.usk-tool .usk-result-hero-card {
    display:       flex;
    align-items:   center;
    justify-content: space-between;
    gap:           24px;
    background:    linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border:        2px solid #BFDBFE;
    border-radius: var(--usk-radius-lg);
    padding:       32px 36px;
    margin-bottom: 24px;
    flex-wrap:     wrap;
}

.usk-tool .usk-result-hero-left {
    flex: 1;
    min-width: 200px;
}

.usk-tool .usk-result-hero-label {
    font-size:     13px;
    font-weight:   700;
    color:         var(--usk-primary);
    text-transform:uppercase;
    letter-spacing:0.07em;
    margin-bottom: 8px;
}

.usk-tool .usk-result-hero-value {
    font-size:     clamp(32px, 6vw, 52px);
    font-weight:   900;
    color:         var(--usk-navy);
    line-height:   1.1;
    margin-bottom: 8px;
    letter-spacing:-0.02em;
}

.usk-tool .usk-result-hero-sub {
    font-size:   15px;
    color:       var(--usk-text-muted);
    font-weight: 500;
}

/* Effective rate ring */
.usk-tool .usk-result-hero-right {
    flex-shrink: 0;
}

.usk-tool .usk-effective-rate-ring {
    position: relative;
    width:     100px;
    height:    100px;
}

.usk-tool .usk-ring-svg {
    width:    100px;
    height:   100px;
    display:  block;
}

.usk-tool #thp-ring-circle {
    transition: stroke-dashoffset 0.8s cubic-bezier(0.4,0,0.2,1);
}

.usk-tool .usk-ring-label-inner {
    position:   absolute;
    top:        50%;
    left:       50%;
    transform:  translate(-50%, -50%);
    text-align: center;
    line-height:1.2;
}

.usk-tool .usk-ring-value {
    display:     block;
    font-size:   17px;
    font-weight: 900;
    color:       var(--usk-navy);
}

.usk-tool .usk-ring-sub {
    display:   block;
    font-size: 10px;
    color:     var(--usk-text-muted);
    font-weight:500;
}

/* Summary grid */
.usk-tool .usk-summary-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap:                   12px;
    margin-bottom:         28px;
}

.usk-tool .usk-summary-card {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       18px 16px;
    text-align:    center;
    transition:    transform var(--usk-transition), box-shadow var(--usk-transition);
}

.usk-tool .usk-summary-card:hover {
    transform:  translateY(-2px);
    box-shadow: var(--usk-card-shadow);
}

.usk-tool .usk-summary-card-value {
    font-size:     18px;
    font-weight:   800;
    line-height:   1.2;
    margin-bottom: 4px;
}

.usk-tool .usk-summary-card-label {
    font-size:   12px;
    color:       var(--usk-text-muted);
    font-weight: 500;
    line-height: 1.4;
}

.usk-tool .usk-summary-card--green  .usk-summary-card-value { color: var(--usk-success); }
.usk-tool .usk-summary-card--blue   .usk-summary-card-value { color: var(--usk-primary); }
.usk-tool .usk-summary-card--red    .usk-summary-card-value { color: var(--usk-error); }
.usk-tool .usk-summary-card--purple .usk-summary-card-value { color: #7C3AED; }
.usk-tool .usk-summary-card--pink   .usk-summary-card-value { color: #DB2777; }
.usk-tool .usk-summary-card--sky    .usk-summary-card-value { color: #0EA5E9; }
.usk-tool .usk-summary-card--orange .usk-summary-card-value { color: #EA580C; }
.usk-tool .usk-summary-card--amber  .usk-summary-card-value { color: #D97706; }
.usk-tool .usk-summary-card--gray   .usk-summary-card-value { color: #475569; }

/* ============================================================
   BREAKDOWN TABLE
   ============================================================ */
.usk-tool .usk-breakdown-section {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    overflow:      hidden;
    margin-bottom: 28px;
}

.usk-tool .usk-breakdown-title {
    font-size:   17px;
    font-weight: 700;
    color:       var(--usk-navy);
    margin:      0;
    padding:     20px 24px 0;
}

.usk-tool .usk-breakdown-tabs {
    display:    flex;
    gap:        4px;
    padding:    16px 24px 0;
    border-bottom: 1px solid var(--usk-border);
}

.usk-tool .usk-tab {
    height:        38px;
    padding:       0 18px;
    font-size:     13px;
    font-weight:   600;
    color:         var(--usk-text-muted);
    background:    transparent;
    border:        none;
    border-bottom: 2px solid transparent;
    cursor:        pointer;
    transition:    all var(--usk-transition);
    font-family:   inherit;
    border-radius: 4px 4px 0 0;
}

.usk-tool .usk-tab:hover {
    color:      var(--usk-primary);
    background: rgba(29,78,216,0.04);
}

.usk-tool .usk-tab.active {
    color:        var(--usk-primary);
    border-bottom-color: var(--usk-primary);
    background:   rgba(29,78,216,0.06);
}

.usk-tool .usk-breakdown-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.usk-tool .usk-breakdown-table {
    width:           100%;
    border-collapse: collapse;
    font-size:       14px;
}

.usk-tool .usk-breakdown-table thead tr {
    background: #F1F5F9;
}

.usk-tool .usk-breakdown-table th {
    padding:     12px 24px;
    text-align:  left;
    font-size:   12px;
    font-weight: 700;
    color:       var(--usk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.usk-tool .usk-breakdown-table td {
    padding:      14px 24px;
    border-bottom: 1px solid var(--usk-border);
    color:        var(--usk-text);
    line-height:  1.4;
}

.usk-tool .usk-breakdown-table tbody tr:last-child td {
    border-bottom: none;
}

.usk-tool .usk-breakdown-table tbody tr:hover td {
    background: #F8FAFC;
}

.usk-tool .usk-breakdown-table .usk-col-amount,
.usk-tool .usk-breakdown-table .usk-col-pct {
    text-align: right;
    font-weight:600;
    white-space: nowrap;
}

.usk-tool .usk-row-highlight td {
    background:  #F0FDF4 !important;
    font-weight: 800;
    font-size:   15px;
}

.usk-tool .usk-row-deduction td:first-child {
    color: var(--usk-text-muted);
}

.usk-tool .usk-neg {
    color: var(--usk-error);
}

.usk-tool .usk-pos-bold {
    color:       var(--usk-success);
    font-weight: 800;
    font-size:   16px;
}

/* ============================================================
   CHART
   ============================================================ */
.usk-tool .usk-chart-section {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       28px 24px;
    margin-bottom: 28px;
    text-align:    center;
}

.usk-tool .usk-chart-title {
    font-size:     17px;
    font-weight:   700;
    color:         var(--usk-navy);
    margin:        0 0 24px;
    text-align:    left;
}

.usk-tool .usk-chart-wrap {
    max-width:  360px;
    margin:     0 auto;
}

.usk-tool .usk-chart-error {
    font-size:  14px;
    color:      var(--usk-text-muted);
    text-align: center;
    padding:    20px 0;
}

/* ============================================================
   INSIGHTS
   ============================================================ */
.usk-tool .usk-insights-section {
    margin-bottom: 28px;
}

.usk-tool .usk-insights-title {
    font-size:     17px;
    font-weight:   700;
    color:         var(--usk-navy);
    margin:        0 0 16px;
}

.usk-tool .usk-insights-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.usk-tool .usk-insight-card {
    display:       flex;
    gap:           14px;
    align-items:   flex-start;
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       18px 20px;
    border-left:   4px solid var(--usk-border);
}

.usk-tool .usk-insight-card--tip     { border-left-color: var(--usk-primary); background: #EFF6FF; }
.usk-tool .usk-insight-card--info    { border-left-color: #0EA5E9; background: #F0F9FF; }
.usk-tool .usk-insight-card--success { border-left-color: var(--usk-success); background: #F0FDF4; }
.usk-tool .usk-insight-card--alert   { border-left-color: var(--usk-warning); background: #FFFBEB; }

.usk-tool .usk-insight-icon {
    font-size:  22px;
    flex-shrink:0;
    margin-top: 1px;
}

.usk-tool .usk-insight-title {
    font-size:     14px;
    font-weight:   700;
    color:         var(--usk-navy);
    display:       block;
    margin-bottom: 4px;
}

.usk-tool .usk-insight-text {
    font-size:   14px;
    color:       var(--usk-text-muted);
    margin:      0;
    line-height: 1.55;
}

/* ============================================================
   BRACKET VISUALIZATION
   ============================================================ */
.usk-tool .usk-bracket-section {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       24px;
    margin-bottom: 36px;
}

.usk-tool .usk-bracket-title {
    font-size:     17px;
    font-weight:   700;
    color:         var(--usk-navy);
    margin:        0 0 20px;
}

.usk-tool .usk-bracket-row {
    display:       flex;
    align-items:   center;
    gap:           12px;
    margin-bottom: 12px;
    flex-wrap:     wrap;
    position:      relative;
}

.usk-tool .usk-bracket-rate-label {
    font-size:   13px;
    font-weight: 700;
    color:       var(--usk-text-muted);
    width:       32px;
    flex-shrink: 0;
    text-align:  right;
}

.usk-tool .usk-bracket-bar-wrap {
    flex:          1;
    min-width:     80px;
    height:        28px;
    background:    #F1F5F9;
    border-radius: 4px;
    overflow:      hidden;
}

.usk-tool .usk-bracket-bar {
    height:        100%;
    background:    var(--usk-primary);
    border-radius: 4px;
    transition:    width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    min-width:     4px;
}

.usk-tool .usk-bracket-marginal .usk-bracket-bar {
    background: var(--usk-success);
}

.usk-tool .usk-bracket-amounts {
    font-size:   12px;
    color:       var(--usk-text-muted);
    min-width:   160px;
    display:     flex;
    gap:         8px;
    flex-wrap:   wrap;
}

.usk-tool .usk-bracket-tax-amt {
    font-weight: 700;
    color:       var(--usk-navy);
}

.usk-tool .usk-marginal-tag {
    font-size:     11px;
    font-weight:   700;
    color:         var(--usk-success);
    background:    #D1FAE5;
    border-radius: 20px;
    padding:       2px 10px;
    letter-spacing:0.03em;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.usk-tool .usk-how-it-works {
    margin-bottom: 36px;
}

.usk-tool .usk-steps-list {
    display:        flex;
    flex-direction: column;
    gap:            0;
    position:       relative;
}

.usk-tool .usk-steps-list::before {
    content:    '';
    position:   absolute;
    left:       20px;
    top:        0;
    bottom:     0;
    width:      2px;
    background: linear-gradient(to bottom, var(--usk-primary), var(--usk-border));
    z-index:    0;
}

.usk-tool .usk-step {
    display:       flex;
    gap:           20px;
    align-items:   flex-start;
    padding:       20px 0;
    position:      relative;
    z-index:       1;
}

.usk-tool .usk-step-number {
    display:         flex;
    align-items:     center;
    justify-content: center;
    width:           42px;
    height:          42px;
    background:      var(--usk-primary);
    color:           #fff;
    border-radius:   50%;
    font-size:       15px;
    font-weight:     800;
    flex-shrink:     0;
    border:          3px solid var(--usk-white);
    box-shadow:      0 0 0 2px var(--usk-primary);
}

.usk-tool .usk-step-content {
    flex:       1;
    padding-top:8px;
}

.usk-tool .usk-step-content strong {
    font-size:     15px;
    font-weight:   700;
    color:         var(--usk-navy);
    display:       block;
    margin-bottom: 5px;
}

.usk-tool .usk-step-content p {
    font-size:   14px;
    color:       var(--usk-text-muted);
    margin:      0;
    line-height: 1.6;
}

/* ============================================================
   KEY INFORMATION
   ============================================================ */
.usk-tool .usk-key-info {
    margin-bottom: 36px;
}

.usk-tool .usk-info-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap:                   16px;
    margin-bottom:         20px;
}

.usk-tool .usk-info-card {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       22px 20px;
}

.usk-tool .usk-info-card h4 {
    font-size:     14px;
    font-weight:   700;
    color:         var(--usk-navy);
    margin:        0 0 14px;
    line-height:   1.4;
}

.usk-tool .usk-info-table {
    width:           100%;
    border-collapse: collapse;
    font-size:       13px;
}

.usk-tool .usk-info-table th {
    text-align:     left;
    padding:        6px 10px;
    font-size:      11px;
    font-weight:    700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color:          var(--usk-text-muted);
    background:     #F8FAFC;
    border-bottom:  1px solid var(--usk-border);
}

.usk-tool .usk-info-table td {
    padding:       8px 10px;
    border-bottom: 1px solid var(--usk-border);
    color:         var(--usk-text);
}

.usk-tool .usk-info-table tbody tr:last-child td {
    border-bottom: none;
}

.usk-tool .usk-info-note {
    font-size:   12px;
    color:       var(--usk-text-muted);
    margin:      10px 0 0;
    line-height: 1.5;
}

.usk-tool .usk-info-note-block {
    background:    #EFF6FF;
    border:        1px solid #BFDBFE;
    border-radius: var(--usk-radius-sm);
    padding:       16px 18px;
}

.usk-tool .usk-info-note-block p {
    font-size:   14px;
    color:       #1E40AF;
    margin:      0;
    line-height: 1.6;
}

/* ============================================================
   INLINE LINKS
   ============================================================ */
.usk-tool .usk-inline-link {
    color:           var(--usk-primary);
    text-decoration: underline;
    font-weight:     600;
    transition:      color var(--usk-transition);
}

.usk-tool .usk-inline-link:hover {
    color: var(--usk-primary-hov);
}

/* ============================================================
   EXAMPLES
   ============================================================ */
.usk-tool .usk-examples {
    margin-bottom: 36px;
}

.usk-tool .usk-examples-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap:                   16px;
    margin-bottom:         16px;
}

.usk-tool .usk-example-card {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       24px 20px;
    transition:    box-shadow var(--usk-transition), transform var(--usk-transition);
}

.usk-tool .usk-example-card:hover {
    box-shadow: var(--usk-card-shadow);
    transform:  translateY(-2px);
}

.usk-tool .usk-example-badge {
    display:       inline-block;
    font-size:     11px;
    font-weight:   700;
    color:         var(--usk-primary);
    background:    #EFF6FF;
    border-radius: 20px;
    padding:       3px 10px;
    margin-bottom: 10px;
    letter-spacing:0.05em;
}

.usk-tool .usk-example-title {
    font-size:     16px;
    font-weight:   800;
    color:         var(--usk-navy);
    margin-bottom: 14px;
}

.usk-tool .usk-example-details {
    display:        flex;
    flex-direction: column;
    gap:            5px;
    margin-bottom:  16px;
    padding-bottom: 16px;
    border-bottom:  1px solid var(--usk-border);
}

.usk-tool .usk-example-details span {
    font-size:   13px;
    color:       var(--usk-text-muted);
    line-height: 1.4;
}

.usk-tool .usk-example-results {
    display:        flex;
    flex-direction: column;
    gap:            8px;
}

.usk-tool .usk-example-result-row {
    display:         flex;
    justify-content: space-between;
    align-items:     baseline;
    font-size:       13px;
    color:           var(--usk-text-muted);
    gap:             8px;
}

.usk-tool .usk-example-result-row span:last-child {
    font-weight: 600;
    color:       var(--usk-text);
    text-align:  right;
    flex-shrink: 0;
}

.usk-tool .usk-example-result-row.usk-result-highlight {
    padding:       10px 12px;
    background:    #F0FDF4;
    border-radius: var(--usk-radius-sm);
    font-weight:   700;
    margin-top:    4px;
    font-size:     14px;
}

.usk-tool .usk-example-result-row.usk-result-highlight span {
    color:       var(--usk-success) !important;
    font-weight: 800;
}

.usk-tool .usk-example-result-row.usk-result-sub span {
    color:       var(--usk-primary) !important;
    font-weight: 600;
}

.usk-tool .usk-examples-note {
    font-size:   13px;
    color:       var(--usk-text-muted);
    line-height: 1.6;
    margin:      0;
}

/* ============================================================
   FAQ
   ============================================================ */
.usk-tool .usk-faq {
    margin-bottom: 36px;
}

.usk-tool .usk-faq-list {
    display:        flex;
    flex-direction: column;
    gap:            0;
    border:         1px solid var(--usk-border);
    border-radius:  var(--usk-radius);
    overflow:       hidden;
}

.usk-tool .usk-faq-item {
    border-bottom: 1px solid var(--usk-border);
}

.usk-tool .usk-faq-item:last-child {
    border-bottom: none;
}

.usk-tool .usk-faq-question {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    width:           100%;
    padding:         18px 22px;
    font-size:       15px;
    font-weight:     600;
    color:           var(--usk-navy);
    background:      var(--usk-white);
    border:          none;
    cursor:          pointer;
    text-align:      left;
    gap:             12px;
    transition:      background var(--usk-transition);
    font-family:     inherit;
    line-height:     1.45;
    min-height:      56px;
}

.usk-tool .usk-faq-question:hover {
    background: #F8FAFC;
}

.usk-tool .usk-faq-question[aria-expanded="true"] {
    background:  #EFF6FF;
    color:       var(--usk-primary);
    border-bottom: 1px solid #BFDBFE;
}

.usk-tool .usk-faq-icon {
    display:         flex;
    align-items:     center;
    justify-content: center;
    width:           26px;
    height:          26px;
    border-radius:   50%;
    background:      #F1F5F9;
    flex-shrink:     0;
    font-size:       16px;
    font-weight:     700;
    transition:      transform var(--usk-transition), background var(--usk-transition);
}

.usk-tool .usk-faq-icon::before {
    content: '+';
}

.usk-tool .usk-faq-question[aria-expanded="true"] .usk-faq-icon {
    background:  var(--usk-primary);
    color:       #fff;
    transform:   rotate(45deg);
}

.usk-tool .usk-faq-answer {
    max-height:  0;
    overflow:    hidden;
    transition:  max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background:  var(--usk-white);
}

.usk-tool .usk-faq-answer p {
    padding:     4px 22px 20px;
    font-size:   14px;
    color:       var(--usk-text-muted);
    margin:      0;
    line-height: 1.65;
}

/* ============================================================
   DATA SOURCES
   ============================================================ */
.usk-tool .usk-sources {
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       28px 28px 24px;
    margin-bottom: 28px;
}

.usk-tool .usk-sources-intro {
    font-size:   14px;
    color:       var(--usk-text-muted);
    margin:      0 0 16px;
    line-height: 1.6;
}

.usk-tool .usk-sources-list {
    padding:        0 0 0 18px;
    margin:         0 0 16px;
    display:        flex;
    flex-direction: column;
    gap:            8px;
}

.usk-tool .usk-sources-list li {
    font-size:   14px;
    color:       var(--usk-text-muted);
    line-height: 1.5;
}

.usk-tool .usk-source-link {
    color:           var(--usk-primary);
    text-decoration: underline;
    font-weight:     500;
    transition:      color var(--usk-transition);
}

.usk-tool .usk-source-link:hover {
    color: var(--usk-primary-hov);
}

.usk-tool .usk-sources-disclaimer {
    font-size:   13px;
    color:       var(--usk-text-light);
    margin:      0;
    line-height: 1.6;
}

/* ============================================================
   PRIVACY
   ============================================================ */
.usk-tool .usk-privacy {
    background:    #F0FDF4;
    border:        1px solid #A7F3D0;
    border-radius: var(--usk-radius);
    padding:       20px 24px;
    margin-bottom: 28px;
}

.usk-tool .usk-privacy-inner {
    display:     flex;
    align-items: flex-start;
    gap:         16px;
}

.usk-tool .usk-privacy-icon {
    flex-shrink: 0;
    margin-top:  2px;
}

.usk-tool .usk-privacy-text strong {
    font-size:     15px;
    font-weight:   700;
    color:         #065F46;
    display:       block;
    margin-bottom: 6px;
}

.usk-tool .usk-privacy-text p {
    font-size:   13px;
    color:       #047857;
    margin:      0;
    line-height: 1.6;
}

/* ============================================================
   TRUST / DEVELOPER SECTION
   ============================================================ */
.usk-tool .usk-trust {
    margin-bottom: 36px;
}

.usk-tool .usk-trust-card {
    display:       flex;
    gap:           20px;
    align-items:   flex-start;
    background:    var(--usk-white);
    border:        1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding:       24px 26px;
    border-left:   4px solid var(--usk-primary);
}

.usk-tool .usk-trust-avatar {
    width:         64px;
    height:        64px;
    border-radius: 50%;
    object-fit:    cover;
    border:        3px solid #BFDBFE;
    flex-shrink:   0;
}

.usk-tool .usk-trust-info {
    flex: 1;
}

.usk-tool .usk-trust-name {
    font-size:     17px;
    font-weight:   800;
    color:         var(--usk-navy);
    margin-bottom: 3px;
}

.usk-tool .usk-trust-link {
    color:           var(--usk-primary);
    text-decoration: none;
    font-weight:     800;
}

.usk-tool .usk-trust-link:hover {
    text-decoration: underline;
}

.usk-tool .usk-trust-role {
    font-size:     13px;
    font-weight:   600;
    color:         var(--usk-text-muted);
    margin-bottom: 10px;
}

.usk-tool .usk-trust-statement {
    font-size:   14px;
    color:       var(--usk-text-muted);
    margin:      0 0 10px;
    line-height: 1.6;
}

.usk-tool .usk-trust-meta {
    display:     flex;
    flex-wrap:   wrap;
    gap:         6px;
    align-items: center;
    font-size:   12px;
    color:       var(--usk-text-light);
}

.usk-tool .usk-trust-sep {
    color: var(--usk-border);
}

.usk-tool .usk-trust-date {
    font-weight: 600;
    color:       var(--usk-text-muted);
}

/* ============================================================
   RELATED TOOLS
   ============================================================ */
.usk-tool .usk-related-tools {
    margin-bottom: 16px;
}

.usk-tool .usk-related-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap:                   12px;
}

.usk-tool .usk-related-card {
    display:        flex;
    flex-direction: column;
    gap:            6px;
    background:     var(--usk-white);
    border:         1px solid var(--usk-border);
    border-radius:  var(--usk-radius);
    padding:        18px 16px;
    text-decoration:none;
    transition:     all var(--usk-transition);
}

.usk-tool .usk-related-card:hover {
    border-color: var(--usk-primary);
    box-shadow:   0 0 0 3px rgba(29,78,216,0.07);
    transform:    translateY(-2px);
}

.usk-tool .usk-related-icon {
    font-size: 24px;
}

.usk-tool .usk-related-title {
    font-size:   14px;
    font-weight: 700;
    color:       var(--usk-navy);
    line-height: 1.3;
}

.usk-tool .usk-related-desc {
    font-size:   12px;
    color:       var(--usk-text-muted);
    line-height: 1.5;
}

/* ============================================================
   SHARE TOAST
   ============================================================ */
.usk-share-toast {
    position:      fixed;
    bottom:        24px;
    left:          50%;
    transform:     translateX(-50%) translateY(80px);
    background:    var(--usk-navy);
    color:         #fff;
    font-size:     14px;
    font-weight:   600;
    padding:       12px 22px;
    border-radius: var(--usk-radius-sm);
    z-index:       9999;
    opacity:       0;
    transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space:   nowrap;
    max-width:     90vw;
    text-align:    center;
    box-shadow:    0 4px 20px rgba(15,23,42,0.25);
    pointer-events:none;
    font-family:   inherit;
}

.usk-share-toast.usk-toast-visible {
    opacity:   1;
    transform: translateX(-50%) translateY(0);
}

/* ============================================================
   RESPONSIVE — TABLET (max 900px)
   ============================================================ */
@media (max-width: 900px) {
    .usk-tool .usk-hero {
        padding: 36px 24px 32px;
    }

    .usk-tool .usk-row-3 {
        grid-template-columns: 1fr 1fr;
    }

    .usk-tool .usk-facts-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .usk-tool .usk-audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .usk-tool .usk-examples-grid {
        grid-template-columns: 1fr;
    }

    .usk-tool .usk-info-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================================
   RESPONSIVE — MOBILE (max 600px)
   ============================================================ */
@media (max-width: 600px) {
    .usk-tool {
        padding: 0 12px 40px;
    }

    .usk-tool .usk-hero {
        padding:       28px 20px 26px;
        border-radius: var(--usk-radius);
    }

    .usk-tool .usk-hero-subtitle {
        font-size: 22px;
    }

    .usk-tool .usk-hero-desc {
        font-size: 14px;
    }

    .usk-tool .usk-hero-trust-row {
        gap: 8px;
    }

    .usk-tool .usk-trust-pill {
        font-size: 11px;
        padding:   4px 10px;
    }

    .usk-tool .usk-calculator-section {
        padding:       24px 18px;
        border-radius: var(--usk-radius);
    }

    .usk-tool .usk-row-2 {
        grid-template-columns: 1fr;
    }

    .usk-tool .usk-row-3 {
        grid-template-columns: 1fr;
    }

    .usk-tool .usk-facts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .usk-tool .usk-audience-grid {
        grid-template-columns: 1fr;
    }

    .usk-tool .usk-btn-primary {
        width:    100%;
        min-width:unset;
    }

    .usk-tool .usk-btn-secondary {
        width: 100%;
    }

    .usk-tool .usk-result-hero-card {
        padding:        22px 20px;
        flex-direction: column;
        gap:            20px;
    }

    .usk-tool .usk-result-hero-value {
        font-size: 36px;
    }

    .usk-tool .usk-effective-rate-ring {
        width:  84px;
        height: 84px;
    }

    .usk-tool .usk-ring-svg {
        width:  84px;
        height: 84px;
    }

    .usk-tool .usk-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .usk-tool .usk-results-title-row {
        flex-direction: column;
        align-items:    flex-start;
    }

    .usk-tool .usk-results-actions {
        width: 100%;
    }

    .usk-tool .usk-action-btn {
        flex:     1;
        justify-content: center;
        font-size:12px;
        padding:  0 10px;
    }

    .usk-tool .usk-breakdown-table th,
    .usk-tool .usk-breakdown-table td {
        padding: 10px 14px;
    }

    .usk-tool .usk-trust-card {
        flex-direction: column;
        align-items:    flex-start;
        padding:        20px 18px;
    }

    .usk-tool .usk-step {
        gap: 14px;
    }

    .usk-tool .usk-step-number {
        width:  36px;
        height: 36px;
    }

    .usk-tool .usk-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .usk-tool .usk-bracket-row {
        gap: 8px;
    }

    .usk-tool .usk-bracket-amounts {
        min-width:  unset;
        font-size:  11px;
    }

    .usk-tool .usk-info-grid {
        grid-template-columns: 1fr;
    }

    .usk-tool .usk-faq-question {
        font-size: 14px;
        padding:   15px 16px;
    }

    .usk-tool .usk-sources {
        padding: 22px 18px;
    }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (max 380px)
   ============================================================ */
@media (max-width: 380px) {
    .usk-tool .usk-facts-grid {
        grid-template-columns: 1fr 1fr;
    }

    .usk-tool .usk-summary-grid {
        grid-template-columns: 1fr 1fr;
    }

    .usk-tool .usk-related-grid {
        grid-template-columns: 1fr;
    }

    .usk-tool .usk-result-hero-value {
        font-size: 30px;
    }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .usk-tool .usk-hero {
        background:    #1D4ED8 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        border-radius: 8px;
        margin-bottom: 20px;
    }

    .usk-tool .usk-hero-subtitle,
    .usk-tool .usk-hero-desc,
    .usk-tool .usk-hero-badge,
    .usk-tool .usk-hero-trust-row {
        color: #fff !important;
    }

    .usk-tool .usk-calculator-section,
    .usk-tool .usk-audience,
    .usk-tool .usk-related-tools,
    .usk-tool .usk-how-it-works,
    .usk-tool .usk-examples,
    .usk-tool .usk-faq,
    .usk-tool .usk-results-actions,
    .usk-tool .usk-form-actions {
        display: none !important;
    }

    .usk-tool .usk-results-section,
    .usk-tool .usk-key-info,
    .usk-tool .usk-sources,
    .usk-tool .usk-trust {
        display: block !important;
    }

    .usk-tool .usk-result-hero-card {
        border:     1px solid #ccc;
        background: #f8f8f8 !important;
    }

    .usk-tool .usk-breakdown-table {
        font-size: 12px;
    }

    .usk-tool {
        max-width: 100%;
        padding:   0;
    }

    .usk-share-toast {
        display: none !important;
    }
}