/************************************************************
 * USAJobsKit — Pre Tax Deduction Calculator USA 2026
 * File: style.css
 * Scope: .usk-tool (all selectors namespaced)
 * Mobile-first, Jannah-safe
 ************************************************************/

/* 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;
}

/* Root variables */
.usk-tool {
    --usk-primary:    #1D4ED8;
    --usk-hover:      #1E40AF;
    --usk-navy:       #0F172A;
    --usk-success:    #10B981;
    --usk-error:      #DC2626;
    --usk-warning:    #D97706;
    --usk-bg:         #F8FAFC;
    --usk-border:     #E5E7EB;
    --usk-white:      #ffffff;
    --usk-text:       #1E293B;
    --usk-muted:      #64748B;
    --usk-light-blue: #EFF6FF;
    --usk-card-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --usk-card-shadow-hover: 0 4px 12px rgba(29,78,216,0.12), 0 2px 4px rgba(0,0,0,0.08);
    --usk-radius:     10px;
    --usk-radius-sm:  6px;
    --usk-transition: 0.18s ease;
    --usk-font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    font-family: var(--usk-font);
    color: var(--usk-text);
    background: var(--usk-white);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0 40px;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

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

/* HERO */
.usk-tool .usk-hero {
    background: linear-gradient(135deg, #1D4ED8 0%, #1E40AF 50%, #1e3a8a 100%);
    border-radius: var(--usk-radius);
    padding: 36px 24px 32px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

.usk-tool .usk-hero::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 240px;
    height: 240px;
    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);
    color: rgba(255,255,255,0.95);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.usk-tool .usk-hero-title {
    font-size: clamp(22px, 4vw, 32px);
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 12px;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.usk-tool .usk-hero-subtitle {
    font-size: 15px;
    color: rgba(255,255,255,0.88);
    margin: 0 0 28px;
    line-height: 1.6;
    max-width: 680px;
}

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

.usk-tool .usk-hero-stat {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--usk-radius-sm);
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.usk-tool .usk-hero-stat-number {
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
}

.usk-tool .usk-hero-stat-label {
    font-size: 11px;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    line-height: 1.3;
}

@media (min-width: 640px) {
    .usk-tool .usk-hero {
        padding: 48px 40px 44px;
    }
    .usk-tool .usk-hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* SECTION TITLES */
.usk-tool .usk-section-title {
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 20px;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

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

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

.usk-tool .usk-fact-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--usk-white);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 18px;
    box-shadow: var(--usk-card-shadow);
    transition: box-shadow var(--usk-transition);
}

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

.usk-tool .usk-fact-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.usk-tool .usk-fact-icon--blue   { background: #EFF6FF; color: var(--usk-primary); }
.usk-tool .usk-fact-icon--green  { background: #ECFDF5; color: #059669; }
.usk-tool .usk-fact-icon--purple { background: #F5F3FF; color: #7C3AED; }
.usk-tool .usk-fact-icon--orange { background: #FFF7ED; color: #D97706; }

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

.usk-tool .usk-fact-content p {
    font-size: 13px;
    color: var(--usk-muted);
    margin: 0;
    line-height: 1.5;
}

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

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

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

.usk-tool .usk-audience-card {
    background: var(--usk-bg);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 18px;
    transition: border-color var(--usk-transition), box-shadow 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: 26px;
    display: block;
    margin-bottom: 10px;
}

.usk-tool .usk-audience-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 6px;
}

.usk-tool .usk-audience-card p {
    font-size: 13px;
    color: var(--usk-muted);
    margin: 0;
    line-height: 1.55;
}

@media (min-width: 480px) {
    .usk-tool .usk-audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* CALCULATOR SECTION */
.usk-tool .usk-calc-section {
    margin-bottom: 36px;
}

.usk-tool .usk-calc-intro {
    font-size: 14px;
    color: var(--usk-muted);
    margin: 0 0 22px;
    line-height: 1.6;
}

.usk-tool .usk-form {
    background: var(--usk-white);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    overflow: hidden;
    box-shadow: var(--usk-card-shadow);
}

/* FIELDSETS */
.usk-tool .usk-fieldset {
    border: none;
    border-bottom: 1px solid var(--usk-border);
    margin: 0;
    padding: 24px;
}

.usk-tool .usk-fieldset:last-of-type {
    border-bottom: none;
}

.usk-tool .usk-fieldset-legend {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 700;
    color: var(--usk-navy);
    margin-bottom: 18px;
    width: 100%;
    padding: 0;
    float: none;
}

.usk-tool .usk-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--usk-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.usk-tool .usk-fieldset-note {
    font-size: 12px;
    color: var(--usk-muted);
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    border-radius: var(--usk-radius-sm);
    padding: 8px 12px;
    margin: 0 0 18px;
    line-height: 1.5;
}

/* FORM ROWS & GROUPS */
.usk-tool .usk-form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.usk-tool .usk-form-row:last-child {
    margin-bottom: 0;
}

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

.usk-tool .usk-form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* LABELS */
.usk-tool .usk-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--usk-navy);
    line-height: 1.4;
    cursor: pointer;
}

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

/* INPUTS */
.usk-tool .usk-input {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    font-size: 15px;
    font-family: var(--usk-font);
    color: var(--usk-navy);
    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;
}

.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:disabled {
    background: #F1F5F9;
    color: #94A3B8;
    cursor: not-allowed;
}

.usk-tool .usk-input--error,
.usk-tool .usk-input[aria-invalid="true"] {
    border-color: var(--usk-error) !important;
    box-shadow: 0 0 0 3px rgba(220,38,38,0.08) !important;
}

/* Remove number spinners */
.usk-tool .usk-input[type="number"]::-webkit-inner-spin-button,
.usk-tool .usk-input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.usk-tool .usk-input[type="number"] {
    -moz-appearance: textfield;
}

/* INPUT WITH ICON ($ prefix) */
.usk-tool .usk-input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

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

.usk-tool .usk-input-with-icon .usk-input {
    padding-left: 52px !important;
    width: 100%;
}

/* SELECTS */
.usk-tool .usk-select {
    width: 100% !important;
    height: 48px !important;
    padding: 0 40px 0 14px !important;
    font-size: 15px !important;
    font-family: var(--usk-font) !important;
    color: var(--usk-navy) !important;
    background-color: var(--usk-white) !important;
    background-image: 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'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 14px center !important;
    background-size: 16px !important;
    border: 1.5px solid var(--usk-border) !important;
    border-radius: var(--usk-radius-sm) !important;
    outline: none !important;
    -webkit-appearance: none !important;
    appearance: none !important;
    cursor: pointer !important;
    transition: border-color var(--usk-transition), box-shadow var(--usk-transition) !important;
    box-shadow: none !important;
}

.usk-tool .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:disabled {
    background-color: #F1F5F9 !important;
    color: #94A3B8 !important;
    cursor: not-allowed !important;
}

/* HELP TEXT & ERRORS */
.usk-tool .usk-field-help {
    font-size: 12px;
    color: var(--usk-muted);
    line-height: 1.45;
    margin-top: 2px;
}

.usk-tool .usk-field-error {
    font-size: 12px;
    color: var(--usk-error);
    font-weight: 500;
    line-height: 1.4;
    min-height: 16px;
    display: block;
}

/* FORM ACTION BUTTONS */
.usk-tool .usk-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 24px;
    background: var(--usk-bg);
    border-top: 1px solid var(--usk-border);
}

.usk-tool .usk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 52px;
    padding: 0 28px;
    font-size: 15px;
    font-weight: 700;
    font-family: var(--usk-font);
    border-radius: var(--usk-radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: background var(--usk-transition), color var(--usk-transition), transform var(--usk-transition), box-shadow var(--usk-transition);
    text-decoration: none;
    white-space: nowrap;
    -webkit-appearance: none;
    appearance: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.usk-tool .usk-btn--primary {
    background: var(--usk-primary);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(29,78,216,0.35);
    min-width: 220px;
}

.usk-tool .usk-btn--primary:hover:not(:disabled) {
    background: var(--usk-hover);
    box-shadow: 0 4px 12px rgba(29,78,216,0.45);
    transform: translateY(-1px);
}

.usk-tool .usk-btn--primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(29,78,216,0.3);
}

.usk-tool .usk-btn--primary:focus-visible {
    box-shadow: 0 0 0 3px rgba(29,78,216,0.4);
}

.usk-tool .usk-btn--primary:disabled {
    background: #93C5FD;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.usk-tool .usk-btn--secondary {
    background: var(--usk-white);
    color: var(--usk-muted);
    border-color: var(--usk-border);
    height: 52px;
}

.usk-tool .usk-btn--secondary:hover {
    border-color: #94A3B8;
    color: var(--usk-navy);
    background: var(--usk-bg);
}

/* Loading spinner on button */
.usk-tool .usk-btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255,255,255,0.35);
    border-top-color: #ffffff;
    border-radius: 50%;
}

.usk-tool .usk-btn--loading .usk-btn-text {
    opacity: 0.7;
}

.usk-tool .usk-btn--loading .usk-btn-spinner {
    display: block;
    animation: usk-spin 0.7s linear infinite;
}

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

/* RESULTS WRAPPER */
.usk-tool .usk-results-wrapper {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    margin-bottom: 36px;
}

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

.usk-tool .usk-results-header {
    margin-bottom: 20px;
}

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

.usk-tool .usk-results-title {
    font-size: clamp(18px, 3vw, 22px);
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0;
}

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

.usk-tool .usk-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 14px;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--usk-font);
    color: var(--usk-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);
    white-space: nowrap;
}

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

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

/* RESULT HIGHLIGHTS */
.usk-tool .usk-results-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 24px;
}

.usk-tool .usk-highlight-card {
    background: var(--usk-white);
    border: 1.5px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--usk-card-shadow);
    transition: box-shadow var(--usk-transition);
}

.usk-tool .usk-highlight-card--primary {
    background: var(--usk-primary);
    border-color: var(--usk-primary);
}

.usk-tool .usk-highlight-card--primary .usk-highlight-label,
.usk-tool .usk-highlight-card--primary .usk-highlight-sub {
    color: rgba(255,255,255,0.8);
}

.usk-tool .usk-highlight-card--primary .usk-highlight-amount {
    color: #ffffff;
}

.usk-tool .usk-highlight-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--usk-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.usk-tool .usk-highlight-amount {
    font-size: clamp(24px, 5vw, 32px);
    font-weight: 800;
    color: var(--usk-primary);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

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

@media (min-width: 480px) {
    .usk-tool .usk-results-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* BREAKDOWN CARDS */
.usk-tool .usk-breakdown-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

@media (min-width: 760px) {
    .usk-tool .usk-breakdown-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .usk-tool .usk-breakdown-card--full {
        grid-column: 1 / -1;
    }
}

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

.usk-tool .usk-breakdown-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--usk-border);
}

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

.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: 13px;
}

.usk-tool .usk-breakdown-table th {
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    color: var(--usk-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 7px 10px;
    background: var(--usk-bg);
    border-bottom: 1px solid var(--usk-border);
}

.usk-tool .usk-breakdown-table td {
    padding: 8px 10px;
    border-bottom: 1px solid #F1F5F9;
    color: var(--usk-text);
    line-height: 1.4;
    vertical-align: middle;
}

.usk-tool .usk-breakdown-table td:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--usk-navy);
}

.usk-tool .usk-breakdown-table .usk-row-highlight td {
    background: #EFF6FF;
    color: var(--usk-primary);
    font-weight: 700;
    border-bottom-color: #BFDBFE;
}

/* STATUS BANNER */
.usk-tool .usk-status-banner {
    margin-bottom: 20px;
}

.usk-tool .usk-status-badge {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-radius: var(--usk-radius);
    padding: 16px 20px;
    border: 1.5px solid;
    font-size: 14px;
    line-height: 1.5;
}

.usk-tool .usk-status-badge > svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.usk-tool .usk-status-badge strong {
    display: block;
    font-size: 15px;
    margin-bottom: 4px;
}

.usk-tool .usk-status-badge p {
    margin: 0;
}

.usk-tool .usk-status-badge--success {
    background: #ECFDF5;
    border-color: #6EE7B7;
    color: #065F46;
}

.usk-tool .usk-status-badge--error {
    background: #FEF2F2;
    border-color: #FCA5A5;
    color: #991B1B;
}

.usk-tool .usk-status-badge--info {
    background: #EFF6FF;
    border-color: #BFDBFE;
    color: #1E3A8A;
}

/* CHART AREA */
.usk-tool .usk-chart-area {
    background: var(--usk-white);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--usk-card-shadow);
}

.usk-tool .usk-chart-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 20px;
}

.usk-tool .usk-chart-container {
    position: relative;
    max-width: 420px;
    margin: 0 auto;
    height: 260px;
}

.usk-tool .usk-chart-container canvas {
    max-width: 100%;
    height: 100% !important;
}

/* INSIGHTS */
.usk-tool .usk-insights-section {
    margin-bottom: 20px;
}

.usk-tool .usk-insights-card {
    background: #F0FDF4;
    border: 1.5px solid #86EFAC;
    border-radius: var(--usk-radius);
    padding: 20px;
}

.usk-tool .usk-insights-title {
    font-size: 15px;
    font-weight: 700;
    color: #14532D;
    margin: 0 0 14px;
}

.usk-tool .usk-insights-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.usk-tool .usk-insight-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: #166534;
    line-height: 1.55;
}

.usk-tool .usk-insight-item > svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--usk-success);
}

/* W-4 STYLE RECOMMENDATIONS CARD */
.usk-tool .usk-recommendations-section {
    margin-bottom: 20px;
}

.usk-tool .usk-rec-card {
    background: var(--usk-light-blue);
    border: 1.5px solid #BFDBFE;
    border-radius: var(--usk-radius);
    padding: 20px;
}

.usk-tool .usk-rec-title {
    font-size: 15px;
    font-weight: 700;
    color: #1E3A8A;
    margin: 0 0 6px;
}

.usk-tool .usk-rec-intro {
    font-size: 13px;
    color: #1E40AF;
    margin: 0 0 14px;
}

.usk-tool .usk-rec-list {
    padding-left: 20px;
    margin: 0 0 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.usk-tool .usk-rec-item {
    font-size: 13px;
    color: #1E3A8A;
    line-height: 1.55;
    font-weight: 500;
}

.usk-tool .usk-rec-footer {
    font-size: 12px;
    color: #3B82F6;
    margin: 0;
    padding-top: 12px;
    border-top: 1px solid #BFDBFE;
}

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

.usk-tool .usk-steps-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    overflow: hidden;
    margin-bottom: 14px;
    box-shadow: var(--usk-card-shadow);
}

.usk-tool .usk-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background: var(--usk-white);
    border-bottom: 1px solid var(--usk-border);
    transition: background var(--usk-transition);
}

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

.usk-tool .usk-step:hover {
    background: var(--usk-bg);
}

.usk-tool .usk-step-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--usk-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    margin-top: 1px;
}

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

.usk-tool .usk-step-content p {
    font-size: 13px;
    color: var(--usk-muted);
    margin: 0;
    line-height: 1.55;
}

.usk-tool .usk-how-note {
    font-size: 12px;
    color: var(--usk-muted);
    background: var(--usk-bg);
    border-left: 3px solid var(--usk-primary);
    padding: 10px 14px;
    border-radius: 0 var(--usk-radius-sm) var(--usk-radius-sm) 0;
    margin: 0;
    line-height: 1.5;
}

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

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

@media (min-width: 760px) {
    .usk-tool .usk-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.usk-tool .usk-info-block h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 14px;
}

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

.usk-tool .usk-table th {
    text-align: left;
    background: var(--usk-bg);
    border: 1px solid var(--usk-border);
    padding: 8px 10px;
    font-size: 12px;
    font-weight: 700;
    color: var(--usk-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.usk-tool .usk-table td {
    padding: 8px 10px;
    border: 1px solid var(--usk-border);
    color: var(--usk-text);
    font-size: 13px;
    vertical-align: middle;
}

.usk-tool .usk-table tr:nth-child(even) td {
    background: var(--usk-bg);
}

.usk-tool .usk-table-note {
    font-size: 11px;
    color: var(--usk-muted);
    margin: 8px 0 0;
    line-height: 1.5;
}

.usk-tool .usk-info-callout {
    background: #FFFBEB;
    border: 1.5px solid #FDE68A;
    border-radius: var(--usk-radius);
    padding: 18px 20px;
}

.usk-tool .usk-info-callout h3 {
    font-size: 15px;
    font-weight: 700;
    color: #92400E;
    margin: 0 0 8px;
}

.usk-tool .usk-info-callout p {
    font-size: 13px;
    color: #78350F;
    margin: 0;
    line-height: 1.6;
}

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

.usk-tool .usk-examples > p {
    font-size: 14px;
    color: var(--usk-muted);
    margin: 0 0 20px;
    line-height: 1.6;
}

.usk-tool .usk-examples-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 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 {
    background: var(--usk-white);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    overflow: hidden;
    box-shadow: var(--usk-card-shadow);
    transition: box-shadow var(--usk-transition), transform var(--usk-transition);
}

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

.usk-tool .usk-example-header {
    background: var(--usk-primary);
    padding: 14px 16px;
}

.usk-tool .usk-example-label {
    font-size: 10px;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 3px;
}

.usk-tool .usk-example-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.usk-tool .usk-example-details {
    list-style: none;
    padding: 14px 16px;
    margin: 0;
    border-bottom: 1px solid var(--usk-border);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

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

.usk-tool .usk-example-details strong {
    color: var(--usk-navy);
}

.usk-tool .usk-example-result {
    padding: 12px 16px;
    background: #EFF6FF;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.usk-tool .usk-example-result-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--usk-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.usk-tool .usk-example-result-amount {
    font-size: 20px;
    font-weight: 800;
    color: var(--usk-primary);
}

.usk-tool .usk-example-note {
    font-size: 12px;
    color: var(--usk-muted);
    padding: 10px 16px;
    margin: 0;
    line-height: 1.5;
    background: var(--usk-white);
}

.usk-tool .usk-examples-disclaimer {
    font-size: 12px;
    color: var(--usk-muted);
    line-height: 1.6;
    margin: 0;
}

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

.usk-tool .usk-examples-disclaimer a:hover {
    text-decoration: underline;
}

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

.usk-tool .usk-faq-list {
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    overflow: hidden;
    box-shadow: var(--usk-card-shadow);
}

.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 {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    background: var(--usk-white);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--usk-navy);
    text-align: left;
    font-family: var(--usk-font);
    transition: background var(--usk-transition), color var(--usk-transition);
    line-height: 1.4;
    min-height: 56px;
}

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

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

.usk-tool .usk-faq-item--open .usk-faq-question {
    background: var(--usk-light-blue);
    color: var(--usk-primary);
}

.usk-tool .usk-faq-icon {
    flex-shrink: 0;
    transition: transform 0.22s ease;
    color: var(--usk-muted);
}

.usk-tool .usk-faq-item--open .usk-faq-icon {
    transform: rotate(180deg);
    color: var(--usk-primary);
}

.usk-tool .usk-faq-answer {
    padding: 0 20px 16px;
    background: var(--usk-bg);
    animation: usk-fade-in 0.18s ease;
}

.usk-tool .usk-faq-answer p {
    font-size: 14px;
    color: var(--usk-text);
    line-height: 1.65;
    margin: 12px 0 0;
}

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

.usk-tool .usk-faq-answer a:hover {
    text-decoration: underline;
}

@keyframes usk-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* DATA SOURCES */
.usk-tool .usk-sources {
    margin-bottom: 28px;
}

.usk-tool .usk-sources > p {
    font-size: 14px;
    color: var(--usk-muted);
    margin: 0 0 14px;
}

.usk-tool .usk-sources-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.usk-tool .usk-sources-list li {
    font-size: 13px;
    color: var(--usk-text);
    padding: 12px 16px;
    background: var(--usk-bg);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius-sm);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}

.usk-tool .usk-sources-list li strong {
    color: var(--usk-navy);
}

.usk-tool .usk-sources-list a {
    color: var(--usk-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 12px;
}

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

/* PRIVACY SECTION */
.usk-tool .usk-privacy {
    margin-bottom: 28px;
}

.usk-tool .usk-privacy-inner {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
    background: #F0FDF4;
    border: 1.5px solid #86EFAC;
    border-radius: var(--usk-radius);
}

.usk-tool .usk-privacy-icon {
    flex-shrink: 0;
    color: var(--usk-success);
    margin-top: 2px;
}

.usk-tool .usk-privacy-text strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: #14532D;
    margin-bottom: 5px;
}

.usk-tool .usk-privacy-text p {
    font-size: 13px;
    color: #166534;
    margin: 0;
    line-height: 1.6;
}

/* TRUST / DEVELOPER SECTION */
.usk-tool .usk-trust {
    margin-bottom: 32px;
}

.usk-tool .usk-trust-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--usk-white);
    border: 1.5px solid var(--usk-border);
    border-radius: var(--usk-radius);
    box-shadow: var(--usk-card-shadow);
}

.usk-tool .usk-trust-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid var(--usk-border);
    flex-shrink: 0;
    object-fit: cover;
    background: var(--usk-bg);
}

.usk-tool .usk-trust-info {
    flex: 1;
    min-width: 0;
}

.usk-tool .usk-trust-name-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 3px;
}

.usk-tool .usk-trust-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--usk-navy);
}

.usk-tool .usk-trust-linkedin {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    color: #0077B5;
    text-decoration: none;
    padding: 3px 8px;
    background: #E7F0FA;
    border-radius: 4px;
    transition: background var(--usk-transition);
}

.usk-tool .usk-trust-linkedin:hover {
    background: #BFDBFE;
}

.usk-tool .usk-trust-role {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--usk-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.usk-tool .usk-trust-statement {
    font-size: 13px;
    color: var(--usk-text);
    line-height: 1.6;
    margin: 0 0 8px;
}

.usk-tool .usk-trust-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 10px;
    font-size: 12px;
    color: var(--usk-muted);
    align-items: center;
}

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

/* RELATED TOOLS */
.usk-tool .usk-related {
    margin-bottom: 0;
}

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

@media (min-width: 600px) {
    .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;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 14px;
    background: var(--usk-white);
    border: 1.5px solid var(--usk-border);
    border-radius: var(--usk-radius);
    text-decoration: none;
    transition: border-color var(--usk-transition), box-shadow var(--usk-transition), transform var(--usk-transition);
    min-height: 90px;
}

.usk-tool .usk-related-card:hover {
    border-color: var(--usk-primary);
    box-shadow: 0 0 0 3px rgba(29,78,216,0.08);
    transform: translateY(-1px);
}

.usk-tool .usk-related-icon {
    font-size: 20px;
    display: block;
}

.usk-tool .usk-related-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--usk-navy);
    line-height: 1.3;
    display: block;
}

.usk-tool .usk-related-desc {
    font-size: 12px;
    color: var(--usk-muted);
    line-height: 1.4;
    display: block;
}

/* SR-ONLY */
.usk-tool .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;
}

/* LINKS WITHIN TOOL */
.usk-tool a {
    color: var(--usk-primary);
    text-decoration: none;
    transition: color var(--usk-transition);
}

.usk-tool a:hover {
    color: var(--usk-hover);
    text-decoration: underline;
}

/* TYPOGRAPHY RESETS */
.usk-tool p {
    margin-top: 0;
    margin-bottom: 0;
}

.usk-tool ul,
.usk-tool ol {
    margin-top: 0;
    margin-bottom: 0;
}

.usk-tool h2,
.usk-tool h3,
.usk-tool h4 {
    margin-top: 0;
    font-family: var(--usk-font);
}

/* FOCUS STATES */
.usk-tool *:focus-visible {
    outline: 2px solid var(--usk-primary);
    outline-offset: 2px;
}

/* PRINT STYLES */
@media print {
    .usk-tool .usk-hero {
        background: #1D4ED8 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .usk-tool .usk-form,
    .usk-tool .usk-calc-section,
    .usk-tool .usk-audience,
    .usk-tool .usk-related,
    .usk-tool .usk-hero-stats {
        display: none !important;
    }

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

    .usk-tool .usk-results-actions,
    .usk-tool .usk-action-btn {
        display: none !important;
    }

    .usk-tool .usk-breakdown-card,
    .usk-tool .usk-highlight-card,
    .usk-tool .usk-trust-card {
        box-shadow: none !important;
        break-inside: avoid;
    }

    .usk-tool .usk-breakdown-table td,
    .usk-tool .usk-breakdown-table th {
        border-color: #000 !important;
    }

    .usk-tool .usk-chart-area {
        display: none !important;
    }

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

    body {
        font-size: 12pt;
    }
}