/**
 * style.css — Michigan Paycheck Calculator 2026
 * Path: /public_html/tools/michigan-paycheck-calculator/style.css
 *
 * ALL selectors scoped to .usk-tool
 * Mobile-first responsive design
 * Brand: USAJobsKit — #1D4ED8 primary, #0F172A dark, #10B981 success, #DC2626 error
 */

/* ============================================================
   SR-ONLY (SEO H1 HIDE)
============================================================ */
.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;
}

/* ============================================================
   ROOT VARIABLES
============================================================ */
.usk-tool {
  --usk-primary:       #1D4ED8;
  --usk-primary-hover: #1E40AF;
  --usk-primary-light: #EFF6FF;
  --usk-primary-mid:   #DBEAFE;
  --usk-navy:          #0F172A;
  --usk-success:       #10B981;
  --usk-success-light: #ECFDF5;
  --usk-error:         #DC2626;
  --usk-error-light:   #FEF2F2;
  --usk-warning:       #D97706;
  --usk-warning-light: #FFFBEB;
  --usk-bg:            #F8FAFC;
  --usk-surface:       #FFFFFF;
  --usk-border:        #E5E7EB;
  --usk-border-mid:    #CBD5E1;
  --usk-text:          #0F172A;
  --usk-text-mid:      #374151;
  --usk-text-muted:    #6B7280;
  --usk-text-faint:    #9CA3AF;
  --usk-radius-sm:     6px;
  --usk-radius-md:     10px;
  --usk-radius-lg:     14px;
  --usk-radius-xl:     18px;
  --usk-shadow-sm:     0 1px 3px rgba(15,23,42,0.07), 0 1px 2px rgba(15,23,42,0.04);
  --usk-shadow-md:     0 4px 12px rgba(15,23,42,0.08), 0 2px 4px rgba(15,23,42,0.04);
  --usk-shadow-lg:     0 12px 32px rgba(15,23,42,0.10), 0 4px 8px rgba(15,23,42,0.05);
  --usk-transition:    180ms cubic-bezier(0.16,1,0.3,1);
  --usk-font:          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ============================================================
   BASE
============================================================ */
.usk-tool {
  font-family:     var(--usk-font);
  color:           var(--usk-text);
  background:      var(--usk-bg);
  font-size:       16px;
  line-height:     1.6;
  -webkit-font-smoothing: antialiased;
  max-width:       1200px;
  margin:          0 auto;
  padding:         0 0 60px;
}

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

.usk-tool img {
  max-width: 100%;
  height: auto;
  display: block;
}

.usk-tool p {
  max-width: 72ch;
}

/* ============================================================
   HERO
============================================================ */
.usk-tool .usk-hero {
  background:    linear-gradient(135deg, #0F172A 0%, #1E3A8A 60%, #1D4ED8 100%);
  border-radius: var(--usk-radius-xl);
  padding:       40px 32px;
  margin-bottom: 32px;
  position:      relative;
  overflow:      hidden;
}

.usk-tool .usk-hero::before {
  content:          '';
  position:         absolute;
  top:              -60px;
  right:            -60px;
  width:            280px;
  height:           280px;
  background:       radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius:    50%;
  pointer-events:   none;
}

.usk-tool .usk-hero::after {
  content:          '';
  position:         absolute;
  bottom:           -40px;
  left:             20%;
  width:            200px;
  height:           200px;
  background:       radial-gradient(circle, rgba(29,78,216,0.3) 0%, transparent 70%);
  border-radius:    50%;
  pointer-events:   none;
}

.usk-tool .usk-hero-inner {
  display:        flex;
  flex-direction: column;
  gap:            28px;
  position:       relative;
  z-index:        1;
}

@media (min-width: 768px) {
  .usk-tool .usk-hero {
    padding: 52px 48px;
  }
  .usk-tool .usk-hero-inner {
    flex-direction: row;
    align-items:    center;
    gap:            40px;
  }
  .usk-tool .usk-hero-left  { flex: 1; }
  .usk-tool .usk-hero-right { flex-shrink: 0; }
}

.usk-tool .usk-hero-badge {
  display:          inline-flex;
  align-items:      center;
  gap:              6px;
  background:       rgba(255,255,255,0.12);
  border:           1px solid rgba(255,255,255,0.2);
  color:            #BAE6FD;
  font-size:        13px;
  font-weight:      600;
  padding:          5px 12px;
  border-radius:    var(--usk-radius-sm);
  margin-bottom:    14px;
  letter-spacing:   0.02em;
}

.usk-tool .usk-badge-icon {
  font-size: 15px;
}

.usk-tool .usk-hero-title {
  font-size:     clamp(22px, 3.5vw, 32px);
  font-weight:   800;
  color:         #FFFFFF;
  line-height:   1.2;
  margin:        0 0 12px;
  letter-spacing: -0.02em;
}

.usk-tool .usk-hero-subtitle {
  font-size:   clamp(14px, 1.8vw, 16px);
  color:       rgba(255,255,255,0.80);
  margin:      0;
  max-width:   52ch;
  line-height: 1.65;
}

/* Hero Stats */
.usk-tool .usk-hero-stats {
  display:               grid;
  grid-template-columns: repeat(2, 1fr);
  gap:                   10px;
  min-width:             220px;
}

@media (min-width: 480px) {
  .usk-tool .usk-hero-stats {
    grid-template-columns: repeat(2, minmax(100px, 140px));
  }
}

.usk-tool .usk-hero-stat {
  background:    rgba(255,255,255,0.10);
  border:        1px solid rgba(255,255,255,0.15);
  border-radius: var(--usk-radius-md);
  padding:       12px 14px;
  display:       flex;
  flex-direction:column;
  gap:           4px;
}

.usk-tool .usk-stat-value {
  display:     block;
  font-size:   clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  color:       #FFFFFF;
  line-height: 1.15;
}

.usk-tool .usk-stat-label {
  display:     block;
  font-size:   11px;
  color:       rgba(255,255,255,0.65);
  font-weight: 500;
  line-height: 1.3;
}

/* ============================================================
   SECTION TITLES
============================================================ */
.usk-tool .usk-section-title {
  font-size:      clamp(18px, 2.5vw, 22px);
  font-weight:    800;
  color:          var(--usk-navy);
  margin:         0 0 20px;
  letter-spacing: -0.01em;
  line-height:    1.25;
}

.usk-tool .usk-section-intro {
  font-size:     15px;
  color:         var(--usk-text-muted);
  margin:        -12px 0 20px;
  max-width:     68ch;
}

/* ============================================================
   KEY FACTS
============================================================ */
.usk-tool .usk-key-facts {
  margin-bottom: 32px;
}

.usk-tool .usk-facts-grid {
  display:               grid;
  grid-template-columns: repeat(2, 1fr);
  gap:                   12px;
}

@media (min-width: 600px) {
  .usk-tool .usk-facts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .usk-tool .usk-facts-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.usk-tool .usk-fact-card {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-md);
  padding:       16px 14px;
  display:       flex;
  flex-direction:column;
  gap:           5px;
  box-shadow:    var(--usk-shadow-sm);
  transition:    box-shadow var(--usk-transition), transform var(--usk-transition);
}

.usk-tool .usk-fact-card:hover {
  box-shadow: var(--usk-shadow-md);
  transform:  translateY(-1px);
}

.usk-tool .usk-fact-icon {
  font-size: 20px;
  line-height: 1;
  margin-bottom: 2px;
}

.usk-tool .usk-fact-label {
  font-size:   11px;
  font-weight: 600;
  color:       var(--usk-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.usk-tool .usk-fact-value {
  font-size:   clamp(15px, 1.8vw, 17px);
  font-weight: 800;
  color:       var(--usk-primary);
  line-height: 1.2;
}

.usk-tool .usk-fact-note {
  font-size:  11px;
  color:      var(--usk-text-faint);
  line-height: 1.3;
}

/* ============================================================
   AUDIENCE CARDS
============================================================ */
.usk-tool .usk-audience {
  margin-bottom: 32px;
}

.usk-tool .usk-audience-grid {
  display:               grid;
  grid-template-columns: 1fr;
  gap:                   14px;
}

@media (min-width: 640px) {
  .usk-tool .usk-audience-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.usk-tool .usk-audience-card {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-top:    3px solid var(--usk-primary);
  border-radius: var(--usk-radius-md);
  padding:       18px 16px;
  display:       flex;
  gap:           14px;
  align-items:   flex-start;
  box-shadow:    var(--usk-shadow-sm);
}

.usk-tool .usk-audience-icon {
  font-size:   26px;
  flex-shrink: 0;
  line-height: 1;
  margin-top:  2px;
}

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

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

/* ============================================================
   CALCULATOR SECTION
============================================================ */
.usk-tool .usk-calculator-section {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-xl);
  padding:       28px 20px;
  margin-bottom: 32px;
  box-shadow:    var(--usk-shadow-md);
}

@media (min-width: 640px) {
  .usk-tool .usk-calculator-section {
    padding: 36px 36px;
  }
}

/* ============================================================
   FORM SECTIONS
============================================================ */
.usk-tool .usk-form-section {
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-lg);
  padding:       20px 16px;
  margin-bottom: 18px;
  background:    #FAFBFC;
}

@media (min-width: 640px) {
  .usk-tool .usk-form-section {
    padding: 24px 24px;
  }
}

.usk-tool .usk-form-section:last-of-type {
  margin-bottom: 24px;
}

.usk-tool .usk-form-section-header {
  display:     flex;
  align-items: center;
  gap:         10px;
  margin-bottom: 16px;
}

.usk-tool .usk-form-section-header h4 {
  font-size:   16px;
  font-weight: 700;
  color:       var(--usk-navy);
  margin:      0;
  display:     flex;
  align-items: center;
  gap:         10px;
}

.usk-tool .usk-step-badge {
  display:         inline-flex;
  align-items:     center;
  justify-content: center;
  width:           26px;
  height:          26px;
  background:      var(--usk-primary);
  color:           #fff;
  border-radius:   50%;
  font-size:       12px;
  font-weight:     800;
  flex-shrink:     0;
}

.usk-tool .usk-badge-optional {
  font-size:   11px;
  font-weight: 600;
  color:       var(--usk-text-faint);
  background:  var(--usk-border);
  padding:     2px 8px;
  border-radius: var(--usk-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.usk-tool .usk-form-note {
  font-size:     13px;
  color:         var(--usk-text-muted);
  margin:        -8px 0 14px;
  padding:       8px 10px;
  background:    var(--usk-primary-light);
  border-left:   3px solid var(--usk-primary);
  border-radius: 0 var(--usk-radius-sm) var(--usk-radius-sm) 0;
  line-height:   1.5;
}

/* Form Rows */
.usk-tool .usk-form-row {
  display:               grid;
  grid-template-columns: 1fr;
  gap:                   14px;
}

@media (min-width: 560px) {
  .usk-tool .usk-form-row {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

.usk-tool .usk-form-row-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 600px) {
  .usk-tool .usk-form-row-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   FORM GROUPS & LABELS
============================================================ */
.usk-tool .usk-form-group {
  display:        flex;
  flex-direction: column;
  gap:            5px;
}

.usk-tool .usk-label {
  font-size:   14px;
  font-weight: 600;
  color:       var(--usk-text-mid);
  display:     block;
  line-height: 1.35;
}

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

/* ============================================================
   INPUTS
============================================================ */
.usk-tool .usk-input {
  width:         100%;
  height:        48px;
  padding:       0 14px;
  border:        1.5px solid var(--usk-border);
  border-radius: var(--usk-radius-md);
  font-size:     15px;
  color:         var(--usk-navy);
  background:    var(--usk-surface);
  transition:    border-color var(--usk-transition), box-shadow var(--usk-transition);
  outline:       none;
  -moz-appearance: textfield;
  appearance: textfield;
}

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

.usk-tool .usk-input::placeholder {
  color: var(--usk-text-faint);
}

.usk-tool .usk-input:focus {
  border-color: var(--usk-primary);
  box-shadow:   0 0 0 3px rgba(29,78,216,0.12);
}

.usk-tool .usk-input:hover:not(:focus) {
  border-color: var(--usk-border-mid);
}

.usk-tool .usk-input[aria-invalid="true"] {
  border-color: var(--usk-error);
  box-shadow:   0 0 0 3px rgba(220,38,38,0.10);
}

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

.usk-tool .usk-input-icon {
  position:       absolute;
  left:           16px !important;
  top:            50%;
  transform:      translateY(-50%);
  font-size:      15px;
  font-weight:    600;
  color:          var(--usk-text-muted);
  pointer-events: none;
  z-index:        1;
  line-height:    1;
  user-select:    none;
}

.usk-tool .usk-input-with-icon input {
  padding-left: 52px !important;
}

/* ============================================================
   SELECT
============================================================ */
.usk-tool .usk-select,
.usk-tool select.usk-select {
  width:          100% !important;
  height:         48px !important;
  padding:        0 40px 0 14px !important;
  border:         1.5px solid var(--usk-border) !important;
  border-radius:  var(--usk-radius-md) !important;
  font-size:      15px !important;
  color:          var(--usk-navy) !important;
  background:     var(--usk-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center !important;
  -webkit-appearance: none !important;
  -moz-appearance:    none !important;
  appearance:         none !important;
  transition:     border-color var(--usk-transition), box-shadow var(--usk-transition);
  outline:        none;
  cursor:         pointer;
  line-height:    1 !important;
}

.usk-tool .usk-select:focus,
.usk-tool select.usk-select:focus {
  border-color: var(--usk-primary) !important;
  box-shadow:   0 0 0 3px rgba(29,78,216,0.12) !important;
}

.usk-tool .usk-select:hover:not(:focus),
.usk-tool select.usk-select:hover:not(:focus) {
  border-color: var(--usk-border-mid) !important;
}

/* ============================================================
   HELP TEXT & ERRORS
============================================================ */
.usk-tool .usk-help-text {
  font-size:  12px;
  color:      var(--usk-text-faint);
  line-height: 1.4;
}

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

.usk-tool .usk-field-error.usk-field-error--visible {
  display:     block;
}

.usk-tool .usk-field-error.usk-field-warning--visible {
  display:     block;
  color:       var(--usk-warning);
}

.usk-tool .usk-form-error-global {
  background:    var(--usk-error-light);
  border:        1px solid rgba(220,38,38,0.25);
  border-radius: var(--usk-radius-md);
  color:         var(--usk-error);
  font-size:     14px;
  font-weight:   600;
  padding:       12px 16px;
  margin-top:    12px;
}

/* ============================================================
   BUTTONS
============================================================ */
.usk-tool .usk-form-actions {
  display:     flex;
  gap:         12px;
  align-items: center;
  flex-wrap:   wrap;
  margin-top:  4px;
}

.usk-tool .usk-btn {
  display:         inline-flex;
  align-items:     center;
  justify-content: center;
  gap:             8px;
  min-height:      52px;
  padding:         0 28px;
  border-radius:   var(--usk-radius-md);
  font-size:       16px;
  font-weight:     700;
  cursor:          pointer;
  border:          none;
  transition:      background var(--usk-transition),
                   box-shadow var(--usk-transition),
                   transform var(--usk-transition),
                   opacity var(--usk-transition);
  text-decoration: none;
  white-space:     nowrap;
  user-select:     none;
  -webkit-tap-highlight-color: transparent;
}

.usk-tool .usk-btn:focus-visible {
  outline:        2px solid var(--usk-primary);
  outline-offset: 3px;
}

.usk-tool .usk-btn:active {
  transform: scale(0.98);
}

.usk-tool .usk-btn-primary {
  background: var(--usk-primary);
  color:      #FFFFFF;
  box-shadow: 0 2px 8px rgba(29,78,216,0.30);
  min-width:  220px;
}

.usk-tool .usk-btn-primary:hover:not(:disabled) {
  background: var(--usk-primary-hover);
  box-shadow: 0 4px 16px rgba(29,78,216,0.38);
  transform:  translateY(-1px);
}

.usk-tool .usk-btn-primary:disabled {
  opacity: 0.65;
  cursor:  not-allowed;
  transform: none;
}

.usk-tool .usk-btn-secondary {
  background:    transparent;
  color:         var(--usk-text-muted);
  border:        1.5px solid var(--usk-border);
  min-height:    48px;
  padding:       0 20px;
  font-size:     15px;
}

.usk-tool .usk-btn-secondary:hover {
  border-color: var(--usk-border-mid);
  color:        var(--usk-navy);
  background:   var(--usk-bg);
}

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

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

/* Action buttons in results */
.usk-tool .usk-results-actions {
  display:   flex;
  gap:       8px;
  flex-wrap: wrap;
  align-items: center;
}

.usk-tool .usk-action-btn {
  display:         inline-flex;
  align-items:     center;
  gap:             5px;
  height:          38px;
  padding:         0 14px;
  background:      var(--usk-surface);
  border:          1.5px solid var(--usk-border);
  border-radius:   var(--usk-radius-sm);
  font-size:       13px;
  font-weight:     600;
  color:           var(--usk-text-mid);
  cursor:          pointer;
  transition:      all var(--usk-transition);
  white-space:     nowrap;
}

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

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

/* ============================================================
   RESULTS WRAPPER
============================================================ */
.usk-tool .usk-results-wrapper {
  margin-top:    28px;
  opacity:       0;
  transform:     translateY(16px);
  transition:    opacity 500ms ease, transform 500ms ease;
}

.usk-tool .usk-results-wrapper.usk-results--visible {
  opacity:   1;
  transform: translateY(0);
}

.usk-tool .usk-results-header {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  flex-wrap:       wrap;
  gap:             14px;
  margin-bottom:   20px;
}

.usk-tool .usk-results-title {
  font-size:   clamp(17px, 2.2vw, 21px);
  font-weight: 800;
  color:       var(--usk-navy);
  margin:      0;
}

/* ============================================================
   RESULT HIGHLIGHT
============================================================ */
.usk-tool .usk-result-highlight {
  background:    linear-gradient(135deg, #0F172A 0%, #1D4ED8 100%);
  border-radius: var(--usk-radius-xl);
  padding:       32px 28px;
  text-align:    center;
  margin-bottom: 24px;
  box-shadow:    0 8px 28px rgba(29,78,216,0.30);
  position:      relative;
  overflow:      hidden;
}

.usk-tool .usk-result-highlight::before {
  content:      '';
  position:     absolute;
  inset:        0;
  background:   radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.usk-tool .usk-highlight-label {
  font-size:      13px;
  font-weight:    600;
  color:          rgba(255,255,255,0.72);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom:  10px;
}

.usk-tool .usk-highlight-value {
  font-size:      clamp(38px, 7vw, 60px);
  font-weight:    900;
  color:          #FFFFFF;
  line-height:    1.1;
  letter-spacing: -0.03em;
  margin-bottom:  8px;
}

.usk-tool .usk-highlight-sub {
  font-size:  14px;
  color:      rgba(255,255,255,0.65);
  margin-bottom: 8px;
}

.usk-tool .usk-highlight-annual {
  font-size:   15px;
  font-weight: 700;
  color:       #BAE6FD;
}

/* ============================================================
   SUMMARY CARDS
============================================================ */
.usk-tool .usk-summary-grid {
  display:               grid;
  grid-template-columns: repeat(2, 1fr);
  gap:                   12px;
  margin-bottom:         28px;
}

@media (min-width: 600px) {
  .usk-tool .usk-summary-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .usk-tool .usk-summary-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.usk-tool .usk-summary-card {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-md);
  padding:       16px 14px;
  box-shadow:    var(--usk-shadow-sm);
  transition:    box-shadow var(--usk-transition);
}

.usk-tool .usk-summary-card:hover {
  box-shadow: var(--usk-shadow-md);
}

.usk-tool .usk-summary-label {
  font-size:      11px;
  font-weight:    600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color:          var(--usk-text-muted);
  margin-bottom:  7px;
  line-height:    1.3;
}

.usk-tool .usk-summary-value {
  font-size:   clamp(16px, 2vw, 20px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 4px;
}

.usk-tool .usk-summary-annual {
  font-size:  11px;
  color:      var(--usk-text-faint);
  line-height: 1.3;
}

/* Card accent colors */
.usk-tool .usk-card-gross   .usk-summary-value { color: var(--usk-navy); }
.usk-tool .usk-card-federal .usk-summary-value { color: #7C3AED; }
.usk-tool .usk-card-state   .usk-summary-value { color: var(--usk-primary); }
.usk-tool .usk-card-fica    .usk-summary-value { color: #0369A1; }
.usk-tool .usk-card-city    .usk-summary-value { color: var(--usk-error); }
.usk-tool .usk-card-deductions .usk-summary-value { color: var(--usk-warning); }

/* ============================================================
   BREAKDOWN TABLE
============================================================ */
.usk-tool .usk-breakdown-section {
  margin-bottom: 28px;
}

.usk-tool .usk-breakdown-title {
  font-size:   17px;
  font-weight: 700;
  color:       var(--usk-navy);
  margin:      0 0 14px;
}

.usk-tool .usk-breakdown-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-md);
}

.usk-tool .usk-breakdown-table {
  width:           100%;
  border-collapse: collapse;
  font-size:       14px;
  min-width:       480px;
}

.usk-tool .usk-breakdown-table thead tr {
  background: var(--usk-navy);
}

.usk-tool .usk-breakdown-table thead th {
  color:          #FFFFFF;
  font-size:      12px;
  font-weight:    700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding:        11px 14px;
  text-align:     left;
  white-space:    nowrap;
}

.usk-tool .usk-breakdown-table thead th.usk-td-num {
  text-align: right;
}

.usk-tool .usk-breakdown-table tbody tr {
  border-bottom:  1px solid var(--usk-border);
  animation:      usk-row-in 300ms ease both;
  transition:     background var(--usk-transition);
}

@keyframes usk-row-in {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

.usk-tool .usk-breakdown-table tbody td {
  padding:     10px 14px;
  color:       var(--usk-text-mid);
  font-size:   13.5px;
  line-height: 1.4;
}

.usk-tool .usk-breakdown-table tbody td.usk-td-num {
  text-align:  right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}

/* Row types */
.usk-tool .usk-breakdown-table .usk-row-gross {
  background: var(--usk-primary-light);
}
.usk-tool .usk-breakdown-table .usk-row-gross td {
  font-weight: 700;
  color:       var(--usk-navy);
}

.usk-tool .usk-breakdown-table .usk-row-tax:nth-child(even) {
  background: #FAFBFC;
}

.usk-tool .usk-breakdown-table .usk-row-deduction {
  background: #FFFBEB;
}
.usk-tool .usk-breakdown-table .usk-row-deduction td {
  color: #92400E;
}

.usk-tool .usk-breakdown-table .usk-row-takehome {
  background: var(--usk-success-light);
}
.usk-tool .usk-breakdown-table .usk-row-takehome td {
  font-weight: 800;
  color:       #065F46;
  font-size:   14px;
}

/* ============================================================
   CHART
============================================================ */
.usk-tool .usk-chart-section {
  margin-bottom:  28px;
  background:     var(--usk-surface);
  border:         1px solid var(--usk-border);
  border-radius:  var(--usk-radius-lg);
  padding:        24px 20px;
  box-shadow:     var(--usk-shadow-sm);
}

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

.usk-tool .usk-chart-wrap {
  max-width:  420px;
  margin:     0 auto;
  position:   relative;
}

/* ============================================================
   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 14px;
}

.usk-tool .usk-insights-grid {
  display:               grid;
  grid-template-columns: 1fr;
  gap:                   10px;
}

@media (min-width: 640px) {
  .usk-tool .usk-insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.usk-tool .usk-insight-card {
  display:       flex;
  gap:           12px;
  align-items:   flex-start;
  padding:       14px 16px;
  border-radius: var(--usk-radius-md);
  border:        1px solid transparent;
  font-size:     14px;
  line-height:   1.5;
}

.usk-tool .usk-insight-info {
  background:   #EFF6FF;
  border-color: #BFDBFE;
}

.usk-tool .usk-insight-success {
  background:   var(--usk-success-light);
  border-color: #A7F3D0;
}

.usk-tool .usk-insight-warning {
  background:   var(--usk-warning-light);
  border-color: #FDE68A;
}

.usk-tool .usk-insight-icon {
  font-size:   20px;
  flex-shrink: 0;
  margin-top:  1px;
}

.usk-tool .usk-insight-title {
  display:     block;
  font-weight: 700;
  font-size:   14px;
  color:       var(--usk-navy);
  margin-bottom: 3px;
}

.usk-tool .usk-insight-msg {
  font-size: 13px;
  color:     var(--usk-text-muted);
  margin:    0;
  max-width: none;
}

/* ============================================================
   RESULTS DISCLAIMER
============================================================ */
.usk-tool .usk-results-disclaimer {
  font-size:     13px;
  color:         var(--usk-text-faint);
  background:    #FFFBEB;
  border:        1px solid #FDE68A;
  border-radius: var(--usk-radius-md);
  padding:       12px 14px;
  margin-top:    20px;
  line-height:   1.55;
  max-width:     none;
}

.usk-tool .usk-results-disclaimer strong {
  color: var(--usk-warning);
}

/* ============================================================
   HOW IT WORKS
============================================================ */
.usk-tool .usk-how-it-works {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-xl);
  padding:       28px 20px;
  margin-bottom: 32px;
  box-shadow:    var(--usk-shadow-sm);
}

@media (min-width: 640px) {
  .usk-tool .usk-how-it-works {
    padding: 36px 36px;
  }
}

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

.usk-tool .usk-step {
  display:       flex;
  gap:           16px;
  align-items:   flex-start;
  padding:       16px 0;
  border-bottom: 1px solid var(--usk-border);
}

.usk-tool .usk-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.usk-tool .usk-step:first-child {
  padding-top: 0;
}

.usk-tool .usk-step-num {
  display:         flex;
  align-items:     center;
  justify-content: center;
  min-width:       34px;
  height:          34px;
  background:      var(--usk-primary-light);
  color:           var(--usk-primary);
  border-radius:   50%;
  font-size:       14px;
  font-weight:     800;
  flex-shrink:     0;
  margin-top:      2px;
}

.usk-tool .usk-step-content strong {
  display:     block;
  font-size:   15px;
  font-weight: 700;
  color:       var(--usk-navy);
  margin-bottom: 4px;
}

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

/* ============================================================
   KEY INFO
============================================================ */
.usk-tool .usk-key-info {
  margin-bottom: 32px;
}

.usk-tool .usk-info-grid {
  display:               grid;
  grid-template-columns: 1fr;
  gap:                   16px;
}

@media (min-width: 640px) {
  .usk-tool .usk-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.usk-tool .usk-info-card {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-md);
  padding:       20px 18px;
  box-shadow:    var(--usk-shadow-sm);
}

.usk-tool .usk-info-card h4 {
  font-size:     15px;
  font-weight:   700;
  color:         var(--usk-navy);
  margin:        0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--usk-border);
}

.usk-tool .usk-info-card p {
  font-size:  14px;
  color:      var(--usk-text-muted);
  margin:     0;
  line-height: 1.65;
}

.usk-tool .usk-inline-link {
  color:           var(--usk-primary);
  font-weight:     600;
  text-decoration: none;
  border-bottom:   1px solid transparent;
  transition:      border-color var(--usk-transition);
}

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

/* ============================================================
   EXAMPLES
============================================================ */
.usk-tool .usk-examples {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-xl);
  padding:       28px 20px;
  margin-bottom: 32px;
  box-shadow:    var(--usk-shadow-sm);
}

@media (min-width: 640px) {
  .usk-tool .usk-examples {
    padding: 36px 36px;
  }
}

.usk-tool .usk-examples-grid {
  display:               grid;
  grid-template-columns: 1fr;
  gap:                   16px;
}

@media (min-width: 600px) {
  .usk-tool .usk-examples-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .usk-tool .usk-examples-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.usk-tool .usk-example-card {
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-md);
  padding:       16px;
  background:    var(--usk-bg);
  transition:    box-shadow var(--usk-transition);
}

.usk-tool .usk-example-card:hover {
  box-shadow: var(--usk-shadow-md);
}

.usk-tool .usk-example-header {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  margin-bottom:   10px;
  gap:             8px;
  flex-wrap:       wrap;
}

.usk-tool .usk-example-job {
  font-size:   14px;
  font-weight: 700;
  color:       var(--usk-navy);
}

.usk-tool .usk-example-type {
  font-size:      11px;
  font-weight:    600;
  background:     var(--usk-primary-mid);
  color:          var(--usk-primary);
  padding:        2px 8px;
  border-radius:  var(--usk-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.usk-tool .usk-example-gross {
  font-size:     13px;
  color:         var(--usk-text-muted);
  margin:        0 0 10px;
  padding-bottom: 10px;
  border-bottom:  1px solid var(--usk-border);
}

.usk-tool .usk-example-table {
  width:           100%;
  border-collapse: collapse;
  font-size:       13px;
  margin-bottom:   10px;
}

.usk-tool .usk-example-table tr:not(:last-child) td {
  padding-bottom: 4px;
}

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

.usk-tool .usk-example-table td:last-child {
  text-align:      right;
  font-weight:     600;
  color:           var(--usk-navy);
  font-variant-numeric: tabular-nums;
}

.usk-tool .usk-example-takehome {
  display:         flex;
  justify-content: space-between;
  align-items:     center;
  background:      var(--usk-success-light);
  border:          1px solid #A7F3D0;
  border-radius:   var(--usk-radius-sm);
  padding:         8px 10px;
  font-size:       13px;
  font-weight:     700;
  color:           #065F46;
}

/* ============================================================
   FAQ
============================================================ */
.usk-tool .usk-faq {
  margin-bottom: 32px;
}

.usk-tool .usk-faq-list {
  display:        flex;
  flex-direction: column;
  gap:            10px;
}

.usk-tool .usk-faq-item {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-md);
  overflow:      hidden;
}

.usk-tool .usk-faq-question {
  width:           100%;
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  gap:             12px;
  padding:         16px 18px;
  background:      none;
  border:          none;
  cursor:          pointer;
  font-size:       15px;
  font-weight:     700;
  color:           var(--usk-navy);
  text-align:      left;
  transition:      background var(--usk-transition);
}

.usk-tool .usk-faq-question:hover {
  background: var(--usk-primary-light);
}

.usk-tool .usk-faq-question:focus-visible {
  outline:        2px solid var(--usk-primary);
  outline-offset: -2px;
}

.usk-tool .usk-faq-icon {
  font-size:   20px;
  color:       var(--usk-primary);
  flex-shrink: 0;
  transition:  transform var(--usk-transition);
  line-height: 1;
}

.usk-tool .usk-faq-item.usk-faq-open .usk-faq-icon {
  transform: rotate(45deg);
}

.usk-tool .usk-faq-answer {
  display:     none;
  padding:     0 18px 16px;
  font-size:   14px;
  color:       var(--usk-text-muted);
  line-height: 1.65;
  border-top:  1px solid var(--usk-border);
  padding-top: 14px;
}

.usk-tool .usk-faq-item.usk-faq-open .usk-faq-answer {
  display: block;
}

.usk-tool .usk-faq-answer p {
  margin: 0;
  max-width: none;
}

/* ============================================================
   DATA SOURCES
============================================================ */
.usk-tool .usk-sources {
  background:    var(--usk-surface);
  border:        1px solid var(--usk-border);
  border-radius: var(--usk-radius-lg);
  padding:       22px 20px;
  margin-bottom: 20px;
}

.usk-tool .usk-sources h3 {
  font-size:   16px;
  font-weight: 700;
  color:       var(--usk-navy);
  margin:      0 0 12px;
}

.usk-tool .usk-sources-list {
  list-style: none;
  padding:    0;
  margin:     0;
  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;
  padding-left: 18px;
  position:    relative;
}

.usk-tool .usk-sources-list li::before {
  content:   '•';
  position:  absolute;
  left:      0;
  color:     var(--usk-primary);
  font-weight: 700;
}

.usk-tool .usk-sources-list a {
  color:           var(--usk-primary);
  text-decoration: none;
  font-weight:     500;
}

.usk-tool .usk-sources-list a:hover {
  text-decoration: underline;
}

/* ============================================================
   PRIVACY
============================================================ */
.usk-tool .usk-privacy {
  background:    #ECFDF5;
  border:        1px solid #A7F3D0;
  border-radius: var(--usk-radius-md);
  padding:       16px 18px;
  margin-bottom: 20px;
  display:       flex;
  gap:           12px;
  align-items:   flex-start;
}

.usk-tool .usk-privacy-icon {
  font-size:   22px;
  flex-shrink: 0;
  margin-top:  2px;
}

.usk-tool .usk-privacy h3 {
  font-size:   15px;
  font-weight: 700;
  color:       #065F46;
  margin:      0 0 4px;
}

.usk-tool .usk-privacy p {
  font-size:  13px;
  color:      #047857;
  margin:     0;
  line-height: 1.55;
  max-width:  none;
}

/* ============================================================
   TRUST / DEVELOPER SECTION
============================================================ */
.usk-tool .usk-trust {
  background:    linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
  border:        1px solid #BFDBFE;
  border-radius: var(--usk-radius-lg);
  padding:       22px 20px;
  margin-bottom: 32px;
  display:       flex;
  gap:           16px;
  align-items:   flex-start;
  flex-wrap:     wrap;
}

.usk-tool .usk-trust-avatar {
  width:         60px;
  height:        60px;
  border-radius: 50%;
  object-fit:    cover;
  border:        3px solid var(--usk-primary-mid);
  flex-shrink:   0;
}

.usk-tool .usk-trust-content {
  flex: 1;
  min-width: 200px;
}

.usk-tool .usk-trust-label {
  font-size:      11px;
  font-weight:    700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color:          var(--usk-primary);
  margin-bottom:  4px;
}

.usk-tool .usk-trust-name {
  font-size:   17px;
  font-weight: 800;
  color:       var(--usk-navy);
  margin:      0 0 4px;
}

.usk-tool .usk-trust-link {
  display:         inline-flex;
  align-items:     center;
  gap:             5px;
  font-size:       13px;
  color:           var(--usk-primary);
  font-weight:     600;
  text-decoration: none;
  margin-bottom:   8px;
}

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

.usk-tool .usk-trust-statement {
  font-size:  13px;
  color:      var(--usk-text-muted);
  margin:     0 0 6px;
  line-height: 1.55;
  max-width:  none;
}

.usk-tool .usk-trust-updated {
  font-size:  12px;
  color:      var(--usk-text-faint);
  margin:     0;
  max-width:  none;
}

/* ============================================================
   RELATED TOOLS
============================================================ */
.usk-tool .usk-related {
  margin-bottom: 32px;
}

.usk-tool .usk-related-grid {
  display:               grid;
  grid-template-columns: repeat(2, 1fr);
  gap:                   10px;
}

@media (min-width: 540px) {
  .usk-tool .usk-related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .usk-tool .usk-related-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.usk-tool .usk-related-card {
  display:         flex;
  align-items:     center;
  gap:             10px;
  padding:         12px 14px;
  background:      var(--usk-surface);
  border:          1px solid var(--usk-border);
  border-radius:   var(--usk-radius-md);
  text-decoration: none;
  transition:      all var(--usk-transition);
  box-shadow:      var(--usk-shadow-sm);
}

.usk-tool .usk-related-card:hover {
  border-color: var(--usk-primary);
  box-shadow:   var(--usk-shadow-md);
  transform:    translateY(-2px);
}

.usk-tool .usk-related-icon {
  font-size:   20px;
  flex-shrink: 0;
}

.usk-tool .usk-related-label {
  font-size:   13px;
  font-weight: 600;
  color:       var(--usk-navy);
  line-height: 1.3;
}

/* ============================================================
   INLINE LINK
============================================================ */
.usk-tool a.usk-inline-link {
  color:           var(--usk-primary);
  font-weight:     600;
  text-decoration: none;
}

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

/* ============================================================
   FAQ ACCORDION (JS-powered)
   Script binds click to .usk-faq-question,
   toggles .usk-faq-open on .usk-faq-item
============================================================ */

/* ============================================================
   PRINT STYLES
============================================================ */
@media print {
  .usk-tool .usk-hero,
  .usk-tool .usk-key-facts,
  .usk-tool .usk-audience,
  .usk-tool .usk-form-actions,
  .usk-tool #mpc-calculate-btn,
  .usk-tool #mpc-reset-btn,
  .usk-tool .usk-results-actions,
  .usk-tool .usk-chart-section,
  .usk-tool .usk-related,
  .usk-tool .usk-faq,
  .usk-tool .usk-privacy,
  .usk-tool .usk-how-it-works {
    display: none !important;
  }

  .usk-tool {
    background: #fff;
    color:      #000;
    padding:    0;
    max-width:  100%;
  }

  .usk-tool .usk-result-highlight {
    background: #1D4ED8;
    color:      #fff;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .usk-tool .usk-breakdown-table-wrap {
    overflow: visible;
    border:   1px solid #ccc;
  }

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

  .usk-tool .usk-breakdown-table thead tr {
    background:             #1D4ED8;
    print-color-adjust:     exact;
    -webkit-print-color-adjust: exact;
  }

  .usk-tool .usk-results-wrapper {
    opacity:   1 !important;
    transform: none !important;
  }
}

/* ============================================================
   UTILITY
============================================================ */
.usk-tool .usk-mt-0  { margin-top: 0; }
.usk-tool .usk-mb-16 { margin-bottom: 16px; }
.usk-tool .usk-mb-24 { margin-bottom: 24px; }
.usk-tool .usk-mb-32 { margin-bottom: 32px; }
.usk-tool .usk-text-center { text-align: center; }

/* ============================================================
   MOBILE REFINEMENTS (max 480px)
============================================================ */
@media (max-width: 480px) {
  .usk-tool .usk-hero {
    padding:       28px 16px;
    border-radius: var(--usk-radius-lg);
  }

  .usk-tool .usk-calculator-section {
    padding:       20px 14px;
    border-radius: var(--usk-radius-lg);
  }

  .usk-tool .usk-form-section {
    padding: 16px 14px;
  }

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

  .usk-tool .usk-result-highlight {
    padding:       24px 18px;
    border-radius: var(--usk-radius-lg);
  }

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

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

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

  .usk-tool .usk-results-actions {
    width:  100%;
    gap:    6px;
  }

  .usk-tool .usk-action-btn {
    font-size: 12px;
    padding:   0 10px;
    height:    36px;
  }

  .usk-tool .usk-trust {
    flex-direction: column;
  }

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

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

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

/* ============================================================
   TABLET (641px – 899px)
============================================================ */
@media (min-width: 641px) and (max-width: 899px) {
  .usk-tool .usk-summary-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}