.kzs-calculator {
    --kzs-bg: #f6f8fb;
    --kzs-card: #ffffff;
    --kzs-text: #172033;
    --kzs-muted: #667085;
    --kzs-border: #e4e7ec;
    --kzs-accent: #2457d6;
    --kzs-accent-soft: #eef3ff;
    --kzs-danger: #b42318;
    --kzs-success: #067647;
    --kzs-warning: #b54708;
    width: 100%;
    max-width: 1100px;
    margin: 24px auto;
    color: var(--kzs-text);
    font-family: inherit;
}
.kzs-calculator *, .kzs-calculator *::before, .kzs-calculator *::after { box-sizing: border-box; }
.kzs-calculator .kzs-card {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    background: var(--kzs-card);
    border: 1px solid var(--kzs-border);
    border-radius: 20px;
    box-shadow: 0 18px 50px rgba(16,24,40,.08);
}
.kzs-calculator .kzs-header { padding: 32px 32px 12px; }
.kzs-calculator .kzs-kicker {
    display: inline-block;
    margin-bottom: 12px;
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--kzs-accent-soft);
    color: var(--kzs-accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.kzs-calculator h2, .kzs-calculator h3 { margin: 0; color: var(--kzs-text); }
.kzs-calculator h2 { font-size: clamp(25px,3vw,38px); line-height: 1.15; font-weight: 700; }
.kzs-calculator .kzs-header p { margin: 10px 0 0; color: var(--kzs-muted); line-height: 1.6; }
.kzs-calculator .kzs-grid {
    display: grid;
    grid-template-columns: minmax(0,1.1fr) minmax(310px,420px);
    gap: 28px;
    align-items: start;
    padding: 24px 32px 32px;
    min-width: 0;
}
.kzs-calculator .kzs-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    min-width: 0;
}
.kzs-calculator .kzs-field {
    flex: 1 1 calc(50% - 9px);
    width: calc(50% - 9px);
    min-width: 0;
    margin: 0;
}
.kzs-calculator .kzs-field-wide { flex-basis: 100%; width: 100%; }
.kzs-calculator .kzs-spacer { flex: 1 1 calc(50% - 9px); width: calc(50% - 9px); }
.kzs-calculator .kzs-section-title {
    flex: 1 1 100%;
    width: 100%;
    padding-top: 5px;
    color: var(--kzs-text);
    font-size: 15px;
    font-weight: 750;
}
.kzs-calculator .kzs-section-title small { color: var(--kzs-muted); font-weight: 500; }
.kzs-calculator .kzs-field > span {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 650;
}
.kzs-calculator .kzs-field > span small { color: var(--kzs-muted); font-weight: 500; }
.kzs-calculator .kzs-input-wrap,
.kzs-calculator .kzs-select-wrap {
    display: flex;
    align-items: center;
    width: 100%;
    min-width: 0;
    min-height: 50px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--kzs-border);
    border-radius: 12px;
    transition: border-color .2s, box-shadow .2s;
}
.kzs-calculator .kzs-input-wrap:focus-within,
.kzs-calculator .kzs-select-wrap:focus-within {
    border-color: var(--kzs-accent);
    box-shadow: 0 0 0 4px rgba(36,87,214,.12);
}
.kzs-calculator input,
.kzs-calculator select {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 13px 14px !important;
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    color: var(--kzs-text) !important;
    font: inherit !important;
    font-weight: 400 !important;
    line-height: 1.2 !important;
}
.kzs-calculator .kzs-input-wrap > span {
    flex: 0 0 auto;
    padding-right: 14px;
    color: var(--kzs-muted);
    font-size: 13px;
    white-space: nowrap;
}
.kzs-calculator .kzs-help {
    display: block;
    margin-top: 6px;
    color: var(--kzs-muted);
    font-size: 12px;
    line-height: 1.45;
}
.kzs-calculator .kzs-error {
    flex: 1 1 100%;
    min-height: 20px;
    color: var(--kzs-danger);
    font-size: 14px;
}
.kzs-calculator .kzs-results {
    width: 100%;
    min-width: 0;
    padding: 26px;
    border-radius: 18px;
    background: linear-gradient(145deg,#1f4dbb,#173b91);
    color: #fff;
    box-shadow: 0 16px 40px rgba(23,59,145,.22);
}
.kzs-calculator .kzs-primary-result {
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,.18);
}
.kzs-calculator .kzs-primary-result span,
.kzs-calculator .kzs-primary-result small { color: rgba(255,255,255,.78); }
.kzs-calculator .kzs-primary-result strong {
    display: block;
    margin: 10px 0 8px;
    color: #fff;
    font-size: clamp(30px,4vw,48px);
    font-weight: 750;
    line-height: 1.05;
    letter-spacing: -.03em;
}
.kzs-calculator .kzs-stats {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 18px;
    padding-top: 20px;
}
.kzs-calculator .kzs-stats span {
    display: block;
    margin-bottom: 4px;
    color: rgba(255,255,255,.72);
    font-size: 12.5px;
    line-height: 1.35;
}
.kzs-calculator .kzs-stats strong { color: #fff; font-size: 16px; font-weight: 700; }
.kzs-calculator .kzs-plan {
    margin-top: 22px;
    padding: 18px;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 14px;
    background: rgba(255,255,255,.08);
}
.kzs-calculator .kzs-plan-label {
    display: block;
    margin-bottom: 12px;
    color: rgba(255,255,255,.78);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.kzs-calculator .kzs-plan-row {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 6px 0;
    font-size: 14px;
}
.kzs-calculator .kzs-plan-row strong { color: #fff; white-space: nowrap; }
.kzs-calculator .kzs-plan-status {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(255,255,255,.12);
    font-size: 13px;
    font-weight: 650;
    line-height: 1.45;
}
.kzs-calculator .kzs-plan-status.is-good { background: rgba(6,118,71,.32); }
.kzs-calculator .kzs-plan-status.is-bad { background: rgba(180,35,24,.32); }
.kzs-calculator .kzs-assumptions {
    padding: 28px 32px 34px;
    border-top: 1px solid var(--kzs-border);
    background: var(--kzs-bg);
}
.kzs-calculator .kzs-assumptions h3 { font-size: 21px; font-weight: 700; }
.kzs-calculator .kzs-assumption-grid {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 14px 24px;
    margin-top: 16px;
}
.kzs-calculator .kzs-assumption-grid p,
.kzs-calculator .kzs-disclaimer {
    margin: 0;
    color: var(--kzs-muted);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.6;
}
.kzs-calculator .kzs-assumption-grid strong { color: var(--kzs-text); font-weight: 700; }
.kzs-calculator .kzs-disclaimer {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--kzs-border);
}
@media (max-width: 1024px) {
    .kzs-calculator .kzs-grid { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
    .kzs-calculator { margin: 16px 0; }
    .kzs-calculator .kzs-card { border-radius: 14px; }
    .kzs-calculator .kzs-header,
    .kzs-calculator .kzs-grid,
    .kzs-calculator .kzs-assumptions { padding-left: 18px; padding-right: 18px; }
    .kzs-calculator .kzs-field,
    .kzs-calculator .kzs-spacer { flex-basis: 100%; width: 100%; }
    .kzs-calculator .kzs-spacer { display: none; }
    .kzs-calculator .kzs-stats,
    .kzs-calculator .kzs-assumption-grid { grid-template-columns: 1fr; }
}