/* ═══════════════════════════════════════════════════════════════
   USAJobsKit — Deduction Calculator 2026
   style.css — All selectors scoped to .usk-tool
   Brand: #1D4ED8 primary | #0F172A navy | #10B981 success | #DC2626 error
   ═══════════════════════════════════════════════════════════════ */

/* ─── SR-ONLY / PAGE TITLE 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 TOKENS ─── */
.usk-tool {
    --usk-primary:       #1D4ED8;
    --usk-primary-hover: #1E40AF;
    --usk-navy:          #0F172A;
    --usk-success:       #10B981;
    --usk-error:         #DC2626;
    --usk-warning:       #F59E0B;
    --usk-bg:            #F8FAFC;
    --usk-border:        #E5E7EB;
    --usk-text:          #0F172A;
    --usk-text-muted:    #64748B;
    --usk-text-faint:    #94A3B8;
    --usk-surface:       #FFFFFF;
    --usk-surface-2:     #F1F5F9;
    --usk-radius-sm:     6px;
    --usk-radius:        10px;
    --usk-radius-lg:     16px;
    --usk-radius-xl:     20px;
    --usk-shadow-sm:     0 1px 3px rgba(15,23,42,0.07), 0 1px 2px rgba(15,23,42,0.05);
    --usk-shadow:        0 4px 16px rgba(15,23,42,0.08), 0 1px 4px rgba(15,23,42,0.05);
    --usk-shadow-lg:     0 12px 36px rgba(15,23,42,0.12), 0 4px 10px rgba(15,23,42,0.06);
    --usk-transition:    180ms cubic-bezier(0.16,1,0.3,1);

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--usk-text);
    background: var(--usk-bg);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0 60px;
    box-sizing: border-box;
}

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

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

/* ─── SECTION TITLES ─── */
.usk-tool .usk-section-title {
    font-size: clamp(1.25rem, 2.5vw, 1.6rem);
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 20px;
    line-height: 1.25;
}

.usk-tool .usk-section-intro {
    color: var(--usk-text-muted);
    margin: -12px 0 24px;
    font-size: 0.95rem;
    max-width: 70ch;
}

.usk-tool .usk-inline-link {
    color: var(--usk-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    transition: color var(--usk-transition);
}
.usk-tool .usk-inline-link:hover { color: var(--usk-primary-hover); }

/* ════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════ */
.usk-tool .usk-hero {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: center;
    background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 55%, #1D4ED8 100%);
    border-radius: var(--usk-radius-xl);
    padding: clamp(32px, 5vw, 56px) clamp(24px, 5vw, 56px);
    margin-bottom: 36px;
    overflow: hidden;
    position: relative;
}

.usk-tool .usk-hero::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: rgba(29,78,216,0.18);
    pointer-events: none;
}

.usk-tool .usk-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(16,185,129,0.15);
    border: 1px solid rgba(16,185,129,0.35);
    color: #6EE7B7;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 100px;
    margin-bottom: 18px;
}

.usk-tool .usk-hero-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.2;
    margin: 0 0 16px;
    max-width: 22ch;
}

.usk-tool .usk-hero-desc {
    color: #CBD5E1;
    font-size: clamp(0.9rem, 1.5vw, 1.05rem);
    margin: 0 0 28px;
    max-width: 54ch;
    line-height: 1.65;
}

.usk-tool .usk-hero-stats {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.usk-tool .usk-hero-stat {
    display: flex;
    flex-direction: column;
}

.usk-tool .usk-hero-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1;
}

.usk-tool .usk-hero-stat-label {
    font-size: 0.75rem;
    color: #94A3B8;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 3px;
}

.usk-tool .usk-hero-stat-divider {
    width: 1px;
    height: 32px;
    background: rgba(255,255,255,0.15);
    flex-shrink: 0;
}

/* Hero Visual Card */
.usk-tool .usk-hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.usk-tool .usk-hero-visual-card {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--usk-radius-lg);
    padding: 22px 26px;
    width: 100%;
    max-width: 280px;
    backdrop-filter: blur(8px);
}

.usk-tool .usk-hero-vc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.88rem;
    color: #94A3B8;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.usk-tool .usk-hero-vc-row:last-child { border-bottom: none; }
.usk-tool .usk-hero-vc-row.deduct .usk-hero-vc-val { color: #FCA5A5; }
.usk-tool .usk-hero-vc-row.gross .usk-hero-vc-val { color: #FFFFFF; font-weight: 700; }
.usk-tool .usk-hero-vc-row.net { margin-top: 6px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,0.2); }
.usk-tool .usk-hero-vc-row.net .usk-hero-vc-val.net-val { color: #6EE7B7; font-weight: 800; font-size: 1rem; }
.usk-tool .usk-hero-vc-val { font-weight: 600; color: #E2E8F0; }

/* ════════════════════════════════════════════
   KEY FACTS
   ════════════════════════════════════════════ */
.usk-tool .usk-key-facts {
    margin-bottom: 40px;
}

.usk-tool .usk-key-facts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.usk-tool .usk-fact-card {
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 20px 18px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    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);
    transform: translateY(-2px);
}

.usk-tool .usk-fact-icon {
    flex-shrink: 0;
    width: 42px; height: 42px;
    background: #EFF6FF;
    border-radius: var(--usk-radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--usk-primary);
}

.usk-tool .usk-fact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--usk-text-muted);
    margin-bottom: 4px;
}

.usk-tool .usk-fact-value {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--usk-navy);
    line-height: 1;
}

.usk-tool .usk-fact-sub {
    font-size: 0.75rem;
    color: var(--usk-text-faint);
    margin-top: 3px;
}

/* ════════════════════════════════════════════
   AUDIENCE
   ════════════════════════════════════════════ */
.usk-tool .usk-audience {
    margin-bottom: 48px;
}

.usk-tool .usk-audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.usk-tool .usk-audience-card {
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 22px 20px;
    box-shadow: var(--usk-shadow-sm);
}

.usk-tool .usk-audience-icon {
    width: 44px; height: 44px;
    background: #EFF6FF;
    border-radius: var(--usk-radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--usk-primary);
    margin-bottom: 14px;
}

.usk-tool .usk-audience-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 8px;
}

.usk-tool .usk-audience-card p {
    font-size: 0.88rem;
    color: var(--usk-text-muted);
    margin: 0;
    line-height: 1.55;
}

/* ════════════════════════════════════════════
   CALCULATOR SECTION
   ════════════════════════════════════════════ */
.usk-tool .usk-calc-section {
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius-xl);
    padding: clamp(24px, 4vw, 48px);
    margin-bottom: 48px;
    box-shadow: var(--usk-shadow);
    scroll-margin-top: 80px;
}

.usk-tool .usk-calc-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--usk-border);
}

.usk-tool .usk-calc-header .usk-section-title { margin-bottom: 6px; }

.usk-tool .usk-calc-subtitle {
    color: var(--usk-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* ─── FIELDSET ─── */
.usk-tool .usk-fieldset {
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    background: #FAFBFD;
}

.usk-tool .usk-fieldset-legend {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--usk-navy);
    padding: 0 8px;
    line-height: 1;
}

.usk-tool .usk-fieldset-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: #DCFCE7;
    color: #15803D;
    border-radius: 100px;
    padding: 3px 9px;
    margin-left: 4px;
}

.usk-tool .usk-fieldset-badge--post {
    background: #EDE9FE;
    color: #6D28D9;
}

.usk-tool .usk-fieldset-desc {
    font-size: 0.85rem;
    color: var(--usk-text-muted);
    margin: 10px 0 20px;
    line-height: 1.55;
}

/* ─── FORM GRID ─── */
.usk-tool .usk-form-row {
    display: grid;
    gap: 20px;
    margin-bottom: 0;
}

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

/* ─── FORM GROUP ─── */
.usk-tool .usk-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* ─── LABEL ─── */
.usk-tool .usk-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--usk-navy);
    line-height: 1.4;
}

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

/* ─── INPUT ─── */
.usk-tool .usk-input {
    width: 100%;
    height: 52px;
    padding: 0 16px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--usk-navy);
    background: var(--usk-surface) !important;
    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::placeholder { color: var(--usk-text-faint); font-weight: 400; }

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

.usk-tool .usk-input:hover:not(:focus):not(.usk-input-error) {
    border-color: #94A3B8;
}

/* Remove number input arrows */
.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: 1rem;
    font-weight: 700;
    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: 36px !important;
}

/* ─── SELECT ─── */
.usk-tool .usk-select-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.usk-tool .usk-select {
    width: 100% !important;
    height: 52px !important;
    padding: 0 44px 0 16px !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    color: var(--usk-navy) !important;
    background: var(--usk-surface) !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;
    transition: border-color var(--usk-transition), box-shadow var(--usk-transition);
}

.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.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-select:hover:not(:focus) {
    border-color: #94A3B8 !important;
}

.usk-tool .usk-select-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--usk-text-muted);
    display: flex;
    align-items: center;
}

/* ─── HELP TEXT ─── */
.usk-tool .usk-help-text {
    font-size: 0.78rem;
    color: var(--usk-text-faint);
    line-height: 1.45;
    margin-top: -2px;
}

/* ─── FIELD ERROR ─── */
.usk-tool .usk-field-error {
    font-size: 0.8rem;
    color: var(--usk-error);
    font-weight: 500;
    display: none;
    margin-top: -2px;
}

/* ─── GENERAL ERROR ─── */
.usk-tool .usk-general-error {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--usk-radius-sm);
    color: var(--usk-error);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 14px 18px;
    margin-bottom: 20px;
}

/* ─── FORM ACTIONS ─── */
.usk-tool .usk-form-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 28px;
    flex-wrap: wrap;
}

/* ─── BUTTONS ─── */
.usk-tool .usk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 52px;
    padding: 0 28px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--usk-radius-sm);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--usk-transition), color var(--usk-transition),
                box-shadow var(--usk-transition), transform var(--usk-transition),
                border-color var(--usk-transition);
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

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

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

.usk-tool .usk-btn-primary {
    background: var(--usk-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(29,78,216,0.3);
    min-width: 220px;
}
.usk-tool .usk-btn-primary:hover {
    background: var(--usk-primary-hover);
    box-shadow: 0 6px 20px rgba(29,78,216,0.4);
    transform: translateY(-1px);
}
.usk-tool .usk-btn-primary:disabled {
    background: #93C5FD;
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

.usk-tool .usk-btn-secondary {
    background: #EFF6FF;
    color: var(--usk-primary);
    border: 1.5px solid #BFDBFE;
}
.usk-tool .usk-btn-secondary:hover {
    background: #DBEAFE;
    border-color: var(--usk-primary);
}

.usk-tool .usk-btn-ghost {
    background: transparent;
    color: var(--usk-text-muted);
    border: 1.5px solid var(--usk-border);
    height: 46px;
    padding: 0 18px;
    font-size: 0.9rem;
}
.usk-tool .usk-btn-ghost:hover {
    background: var(--usk-surface-2);
    color: var(--usk-navy);
    border-color: #94A3B8;
}

/* ─── SPINNER ─── */
.usk-tool .usk-spinner {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--usk-text-muted);
    font-size: 0.9rem;
}

.usk-tool .usk-spinner-ring {
    width: 22px; height: 22px;
    border: 2.5px solid #BFDBFE;
    border-top-color: var(--usk-primary);
    border-radius: 50%;
    animation: usk-spin 0.7s linear infinite;
    flex-shrink: 0;
}

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

/* ════════════════════════════════════════════
   RESULTS
   ════════════════════════════════════════════ */
.usk-tool .usk-results-wrapper {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

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

/* ─── RESULT HIGHLIGHT ─── */
.usk-tool .usk-result-highlight {
    background: linear-gradient(135deg, #1D4ED8 0%, #1E40AF 100%);
    border-radius: var(--usk-radius-xl);
    padding: clamp(24px, 4vw, 40px);
    margin-bottom: 32px;
    box-shadow: 0 12px 40px rgba(29,78,216,0.3);
    color: #FFFFFF;
}

.usk-tool .usk-result-highlight-inner {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.usk-tool .usk-result-main-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #BFDBFE;
    margin-bottom: 6px;
}

.usk-tool .usk-result-main-value {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 900;
    color: #FFFFFF;
    line-height: 1;
    letter-spacing: -0.02em;
}

.usk-tool .usk-result-main-sub {
    font-size: 0.9rem;
    color: #93C5FD;
    margin-top: 6px;
}

.usk-tool .usk-result-sub-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.usk-tool .usk-result-sub-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.usk-tool .usk-result-sub-label {
    font-size: 0.73rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #93C5FD;
}

.usk-tool .usk-result-sub-val {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FFFFFF;
}

.usk-tool .usk-deduct-color { color: #FCA5A5 !important; }
.usk-tool .usk-success-color { color: #6EE7B7 !important; }

/* ─── BREAKDOWN SECTION ─── */
.usk-tool .usk-breakdown-section,
.usk-tool .usk-chart-area,
.usk-tool .usk-insights-section,
.usk-tool .usk-annual-summary {
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius-lg);
    padding: clamp(20px, 3vw, 32px);
    margin-bottom: 24px;
    box-shadow: var(--usk-shadow-sm);
}

.usk-tool .usk-breakdown-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 20px;
}

/* ─── BREAKDOWN CARDS GRID ─── */
.usk-tool .usk-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
    gap: 14px;
}

.usk-tool .usk-breakdown-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: #FAFBFD;
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 16px 18px;
    transition: box-shadow var(--usk-transition), transform var(--usk-transition);
    position: relative;
    overflow: hidden;
}

.usk-tool .usk-breakdown-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px;
    height: 100%;
    background: var(--card-color, var(--usk-primary));
    border-radius: 3px 0 0 3px;
}

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

.usk-tool .usk-bc-icon {
    flex-shrink: 0;
    width: 38px; height: 38px;
    background: rgba(29,78,216,0.07);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
}

.usk-tool .usk-bc-body {
    flex: 1;
    min-width: 0;
}

.usk-tool .usk-bc-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--usk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.usk-tool .usk-bc-period {
    font-size: 1.3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
}

.usk-tool .usk-bc-annual {
    font-size: 0.78rem;
    color: var(--usk-text-muted);
}

.usk-tool .usk-bc-sub {
    font-size: 0.73rem;
    color: var(--usk-text-faint);
    margin-top: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.usk-tool .usk-bc-pct {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--usk-text-muted);
    white-space: nowrap;
    margin-top: 2px;
}

/* ─── CHART ─── */
.usk-tool .usk-chart-container {
    max-width: 360px;
    margin: 0 auto 20px;
}

.usk-tool .usk-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    justify-content: center;
}

.usk-tool .usk-legend-item {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.82rem;
    color: var(--usk-text-muted);
}

.usk-tool .usk-legend-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.usk-tool .usk-legend-label { font-weight: 500; }
.usk-tool .usk-legend-val { font-weight: 700; color: var(--usk-navy); }

/* ─── INSIGHTS ─── */
.usk-tool .usk-insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
    gap: 14px;
}

.usk-tool .usk-insight-card {
    display: flex;
    gap: 14px;
    padding: 16px 18px;
    border-radius: var(--usk-radius);
    border: 1px solid;
}

.usk-tool .usk-insight-info {
    background: #EFF6FF;
    border-color: #BFDBFE;
}
.usk-tool .usk-insight-info .usk-insight-icon { color: var(--usk-primary); }

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

.usk-tool .usk-insight-tip {
    background: #F0FDF4;
    border-color: #BBF7D0;
}
.usk-tool .usk-insight-tip .usk-insight-icon { color: var(--usk-success); }

.usk-tool .usk-insight-success {
    background: #F0FDF4;
    border-color: #BBF7D0;
}
.usk-tool .usk-insight-success .usk-insight-icon { color: var(--usk-success); }

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

.usk-tool .usk-insight-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--usk-navy);
    margin-bottom: 4px;
}

.usk-tool .usk-insight-text {
    font-size: 0.83rem;
    color: var(--usk-text-muted);
    line-height: 1.55;
}

/* ─── TABLE ─── */
.usk-tool .usk-table-wrap {
    overflow-x: auto;
    border-radius: var(--usk-radius-sm);
    border: 1px solid var(--usk-border);
}

.usk-tool .usk-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.usk-tool .usk-table thead th {
    background: var(--usk-primary);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 16px;
    text-align: left;
    white-space: nowrap;
}

.usk-tool .usk-table thead th:first-child { border-radius: var(--usk-radius-sm) 0 0 0; }
.usk-tool .usk-table thead th:last-child  { border-radius: 0 var(--usk-radius-sm) 0 0; }

.usk-tool .usk-table tbody tr {
    border-bottom: 1px solid var(--usk-border);
    transition: background var(--usk-transition);
}
.usk-tool .usk-table tbody tr:last-child { border-bottom: none; }
.usk-tool .usk-table tbody tr:nth-child(even) { background: #F8FAFC; }
.usk-tool .usk-table tbody tr:hover { background: #EFF6FF; }

.usk-tool .usk-table tbody td {
    padding: 11px 16px;
    color: var(--usk-text);
    vertical-align: middle;
    white-space: nowrap;
}

.usk-tool .usk-table tbody td:first-child { white-space: normal; }

.usk-tool .usk-row-subtotal td {
    background: #EFF6FF !important;
    font-weight: 700;
    color: var(--usk-navy) !important;
    border-top: 1px solid #BFDBFE;
    border-bottom: 1px solid #BFDBFE;
}

.usk-tool .usk-row-net td {
    background: #DCFCE7 !important;
    font-weight: 800;
    color: #15803D !important;
    font-size: 0.95rem;
    border-top: 2px solid #16A34A;
}

.usk-tool .usk-table-compact { font-size: 0.85rem; }
.usk-tool .usk-table-compact th,
.usk-tool .usk-table-compact td { padding: 9px 14px; }

/* ─── RESULT ACTIONS ─── */
.usk-tool .usk-result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.usk-tool .usk-disclaimer-text {
    font-size: 0.78rem;
    color: var(--usk-text-faint);
    line-height: 1.55;
    padding: 14px 18px;
    background: var(--usk-surface-2);
    border-radius: var(--usk-radius-sm);
    border: 1px solid var(--usk-border);
    margin-bottom: 40px;
}

/* ════════════════════════════════════════════
   HOW IT WORKS
   ════════════════════════════════════════════ */
.usk-tool .usk-how-it-works {
    margin-bottom: 48px;
}

.usk-tool .usk-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.usk-tool .usk-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 22px 20px;
    box-shadow: var(--usk-shadow-sm);
}

.usk-tool .usk-step-num {
    flex-shrink: 0;
    width: 36px; height: 36px;
    background: var(--usk-primary);
    color: #FFFFFF;
    font-size: 1rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    line-height: 1;
}

.usk-tool .usk-step h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 7px;
}

.usk-tool .usk-step p {
    font-size: 0.85rem;
    color: var(--usk-text-muted);
    margin: 0;
    line-height: 1.55;
}

/* ════════════════════════════════════════════
   KEY INFO
   ════════════════════════════════════════════ */
.usk-tool .usk-key-info {
    margin-bottom: 48px;
}

.usk-tool .usk-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.usk-tool .usk-info-card {
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius-lg);
    padding: 24px;
    box-shadow: var(--usk-shadow-sm);
}

.usk-tool .usk-info-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--usk-navy);
    margin: 0 0 14px;
}

.usk-tool .usk-info-card p {
    font-size: 0.87rem;
    color: var(--usk-text-muted);
    line-height: 1.6;
    margin: 0;
}

.usk-tool .usk-info-note {
    font-size: 0.78rem;
    color: var(--usk-text-faint);
    margin-top: 12px !important;
    line-height: 1.5;
}

/* ════════════════════════════════════════════
   EXAMPLES
   ════════════════════════════════════════════ */
.usk-tool .usk-examples {
    margin-bottom: 48px;
}

.usk-tool .usk-examples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 16px;
}

.usk-tool .usk-example-card {
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius-lg);
    overflow: hidden;
    box-shadow: var(--usk-shadow-sm);
    transition: box-shadow var(--usk-transition), transform var(--usk-transition);
}

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

.usk-tool .usk-example-header {
    background: linear-gradient(135deg, #1D4ED8, #1E40AF);
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
}

.usk-tool .usk-example-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: #FFFFFF;
}

.usk-tool .usk-example-sub {
    font-size: 0.78rem;
    color: #93C5FD;
}

.usk-tool .usk-example-rows {
    padding: 16px 20px;
}

.usk-tool .usk-ex-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    font-size: 0.87rem;
    color: var(--usk-text-muted);
    border-bottom: 1px solid var(--usk-border);
}
.usk-tool .usk-ex-row:last-child { border-bottom: none; }
.usk-tool .usk-ex-row span:last-child { font-weight: 600; color: var(--usk-navy); }

.usk-tool .usk-ex-row-net {
    margin-top: 6px;
    padding-top: 10px;
    border-top: 2px solid var(--usk-primary) !important;
}
.usk-tool .usk-ex-row-net span { font-weight: 800 !important; color: var(--usk-primary) !important; font-size: 0.95rem !important; }

.usk-tool .usk-example-note {
    font-size: 0.75rem;
    color: var(--usk-text-faint);
    padding: 0 20px 16px;
    margin: 0;
}

.usk-tool .usk-examples-footnote {
    font-size: 0.82rem;
    color: var(--usk-text-faint);
    margin: 0;
    line-height: 1.55;
}

/* ════════════════════════════════════════════
   FAQ
   ════════════════════════════════════════════ */
.usk-tool .usk-faq {
    margin-bottom: 48px;
}

.usk-tool .usk-faq-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

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

.usk-tool .usk-faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    text-align: left;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--usk-navy);
    background: none;
    border: none;
    cursor: pointer;
    gap: 16px;
    transition: background var(--usk-transition);
    min-height: 48px;
}

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

.usk-tool .usk-faq-item.usk-faq-open .usk-faq-question {
    background: #EFF6FF;
    color: var(--usk-primary);
}

.usk-tool .usk-faq-icon {
    flex-shrink: 0;
    color: var(--usk-text-faint);
    transition: transform var(--usk-transition);
    display: flex;
}

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

.usk-tool .usk-faq-answer {
    padding: 0 22px 20px;
    border-top: 1px solid var(--usk-border);
}

.usk-tool .usk-faq-answer p {
    font-size: 0.9rem;
    color: var(--usk-text-muted);
    line-height: 1.65;
    margin: 16px 0 0;
    max-width: 80ch;
}

/* ════════════════════════════════════════════
   DATA SOURCES
   ════════════════════════════════════════════ */
.usk-tool .usk-sources {
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius-lg);
    padding: 28px 32px;
    margin-bottom: 24px;
    box-shadow: var(--usk-shadow-sm);
}

.usk-tool .usk-sources-intro {
    font-size: 0.88rem;
    color: var(--usk-text-muted);
    margin: -10px 0 18px;
}

.usk-tool .usk-sources-list {
    list-style: none;
    padding: 0; margin: 0 0 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.usk-tool .usk-source-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.875rem;
    color: var(--usk-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--usk-transition);
}
.usk-tool .usk-source-link:hover { color: var(--usk-primary-hover); text-decoration: underline; }

.usk-tool .usk-sources-note {
    font-size: 0.78rem;
    color: var(--usk-text-faint);
    margin: 0;
    line-height: 1.55;
}

/* ════════════════════════════════════════════
   PRIVACY
   ════════════════════════════════════════════ */
.usk-tool .usk-privacy {
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    border-radius: var(--usk-radius-lg);
    padding: 24px 28px;
    margin-bottom: 24px;
}

.usk-tool .usk-privacy-inner {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.usk-tool .usk-privacy-icon {
    flex-shrink: 0;
    width: 44px; height: 44px;
    background: #DCFCE7;
    border-radius: var(--usk-radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: #16A34A;
}

.usk-tool .usk-privacy-title {
    font-size: 1rem;
    font-weight: 700;
    color: #15803D;
    margin: 0 0 6px;
}

.usk-tool .usk-privacy-content p {
    font-size: 0.87rem;
    color: #166534;
    line-height: 1.6;
    margin: 0;
}

/* ════════════════════════════════════════════
   TRUST / DEVELOPER
   ════════════════════════════════════════════ */
.usk-tool .usk-trust {
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius-lg);
    padding: 24px 28px;
    margin-bottom: 48px;
    box-shadow: var(--usk-shadow-sm);
}

.usk-tool .usk-trust-inner {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

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

.usk-tool .usk-trust-badge {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--usk-text-faint);
    margin-bottom: 4px;
}

.usk-tool .usk-trust-name {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.usk-tool .usk-trust-link {
    color: var(--usk-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--usk-transition);
}
.usk-tool .usk-trust-link:hover { color: var(--usk-primary-hover); text-decoration: underline; }

.usk-tool .usk-trust-statement {
    font-size: 0.87rem;
    color: var(--usk-text-muted);
    line-height: 1.6;
    margin: 0 0 10px;
}

.usk-tool .usk-trust-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.78rem;
    color: var(--usk-text-faint);
}

.usk-tool .usk-trust-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

.usk-tool .usk-related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.usk-tool .usk-related-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--usk-surface);
    border: 1px solid var(--usk-border);
    border-radius: var(--usk-radius);
    padding: 16px;
    text-decoration: none;
    box-shadow: var(--usk-shadow-sm);
    transition: box-shadow var(--usk-transition), transform var(--usk-transition), border-color var(--usk-transition);
}

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

.usk-tool .usk-related-icon {
    flex-shrink: 0;
    width: 40px; height: 40px;
    background: #EFF6FF;
    border-radius: var(--usk-radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--usk-primary);
}

.usk-tool .usk-related-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.usk-tool .usk-related-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--usk-navy);
    line-height: 1.3;
    display: block;
}

.usk-tool .usk-related-desc {
    font-size: 0.75rem;
    color: var(--usk-text-faint);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.usk-tool .usk-related-arrow {
    flex-shrink: 0;
    color: var(--usk-text-faint);
    transition: transform var(--usk-transition), color var(--usk-transition);
}

.usk-tool .usk-related-card:hover .usk-related-arrow {
    transform: translateX(3px);
    color: var(--usk-primary);
}

/* ════════════════════════════════════════════
   TOAST
   ════════════════════════════════════════════ */
.usk-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--usk-navy);
    color: #FFFFFF;
    font-size: 0.88rem;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 100px;
    box-shadow: var(--usk-shadow-lg);
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 9999;
    pointer-events: none;
    white-space: nowrap;
    max-width: calc(100vw - 40px);
}

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

/* ════════════════════════════════════════════
   RESPONSIVE — TABLET (max 1024px)
   ════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .usk-tool .usk-key-facts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

/* ════════════════════════════════════════════
   RESPONSIVE — MOBILE (max 768px)
   ════════════════════════════════════════════ */
@media (max-width: 768px) {
    .usk-tool {
        padding: 0 0 40px;
    }

    /* Hero */
    .usk-tool .usk-hero {
        grid-template-columns: 1fr;
        padding: 28px 22px;
        border-radius: var(--usk-radius-lg);
        gap: 28px;
        margin-bottom: 24px;
    }

    .usk-tool .usk-hero-visual { display: none; }

    .usk-tool .usk-hero-stats { gap: 14px; }

    .usk-tool .usk-hero-stat-divider { height: 24px; }

    /* Key Facts */
    .usk-tool .usk-key-facts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .usk-tool .usk-fact-card { padding: 16px 14px; gap: 10px; }

    /* Audience */
    .usk-tool .usk-audience-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Calculator */
    .usk-tool .usk-calc-section {
        padding: 20px 16px;
        border-radius: var(--usk-radius-lg);
        margin-bottom: 28px;
    }

    .usk-tool .usk-fieldset {
        padding: 18px 14px;
    }

    .usk-tool .usk-form-row-2 {
        grid-template-columns: 1fr;
        gap: 14px;
    }

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

    .usk-tool .usk-form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    /* Results */
    .usk-tool .usk-result-sub-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .usk-tool .usk-result-highlight {
        padding: 22px 18px;
        border-radius: var(--usk-radius-lg);
    }

    .usk-tool .usk-result-main-value {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

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

    .usk-tool .usk-breakdown-section,
    .usk-tool .usk-chart-area,
    .usk-tool .usk-insights-section,
    .usk-tool .usk-annual-summary {
        padding: 18px 16px;
    }

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

    .usk-tool .usk-result-actions {
        flex-direction: column;
    }

    .usk-tool .usk-result-actions .usk-btn {
        width: 100%;
        justify-content: center;
    }

    /* How It Works */
    .usk-tool .usk-steps-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Info Grid */
    .usk-tool .usk-info-grid {
        grid-template-columns: 1fr;
    }

    /* Examples */
    .usk-tool .usk-examples-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

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

    .usk-tool .usk-related-card { padding: 12px; gap: 10px; }
    .usk-tool .usk-related-icon { width: 34px; height: 34px; }
    .usk-tool .usk-related-title { font-size: 0.8rem; }
    .usk-tool .usk-related-desc { display: none; }

    /* Trust */
    .usk-tool .usk-trust-inner { flex-direction: column; gap: 14px; }
    .usk-tool .usk-trust-avatar { width: 52px; height: 52px; }

    /* Sources */
    .usk-tool .usk-sources { padding: 20px 18px; }

    /* Privacy */
    .usk-tool .usk-privacy { padding: 18px; }

    /* FAQ */
    .usk-tool .usk-faq-question { padding: 15px 16px; font-size: 0.9rem; }
    .usk-tool .usk-faq-answer { padding: 0 16px 16px; }
}

/* ════════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE (max 420px)
   ════════════════════════════════════════════ */
@media (max-width: 420px) {
    .usk-tool .usk-key-facts-grid {
        grid-template-columns: 1fr;
    }

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

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

    .usk-tool .usk-hero-stats {
        flex-wrap: wrap;
        gap: 12px;
    }

    .usk-tool .usk-hero-stat-divider { display: none; }

    .usk-tool .usk-example-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

/* ════════════════════════════════════════════
   PRINT STYLES
   ════════════════════════════════════════════ */
@media print {
    .usk-tool .usk-hero { background: #0F172A !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .usk-tool .usk-hero-visual { display: none !important; }
    .usk-tool .usk-result-actions { display: none !important; }
    .usk-tool .usk-related-tools { display: none !important; }
    .usk-tool .usk-calc-section { display: none !important; }
    .usk-tool .usk-audience { display: none !important; }
    .usk-tool .usk-results-wrapper { opacity: 1 !important; transform: none !important; }
    .usk-tool .usk-result-highlight { background: #1D4ED8 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .usk-tool .usk-breakdown-card,
    .usk-tool .usk-insight-card,
    .usk-tool .usk-fact-card { break-inside: avoid; }
    .usk-tool .usk-faq-answer { display: block !important; }
    .usk-tool .usk-chart-area { display: none !important; }
    .usk-tool { max-width: 100%; padding: 0; }
    body { font-size: 12pt; }
}