:root {
    --blue: #001e2b;
    --green: #00ed64;
    --green-dark: #00684a;
    --border: #e8edef;
    --panel-bg: #f7f9fa;
    --text: #001e2b;
    --muted: #6b7f8a;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: #fff;
    color: var(--text);
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
}

.calculator-wrap {
    max-width: 1180px;
    margin: 24px auto;
    padding: 0 14px;
}

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

.panel {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--panel-bg);
}

.panel-title {
    background: var(--blue);
    color: #fff;
    text-align: center;
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 14px 10px;
}

.panel-body { padding: 14px 12px 20px; }

.field-row,
.result-row {
    min-height: 34px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
    margin-bottom: 2px;
}

.field-row > span:first-child,
.result-row > span:first-child { font-weight: 500; }

.result-row strong {
    min-width: 96px;
    text-align: right;
    font-weight: 600;
}

.result-row.total {
    margin-top: 6px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}
.result-row.total strong { color: var(--green-dark); }

.money-input {
    width: 150px;
    display: grid;
    grid-template-columns: 25px 1fr;
    align-items: center;
    border: 1px solid #c8d2d6;
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
}

.money-input b {
    text-align: center;
    font-weight: 400;
    color: var(--muted);
}

.money-input input,
.plain-input,
select {
    height: 32px;
    border: 1px solid #c8d2d6;
    border-radius: 8px;
    background: #fff;
    padding: 4px 7px;
    font: inherit;
    color: var(--text);
}

.money-input input {
    width: 100%;
    border: 0;
    border-left: 1px solid var(--border);
    border-radius: 0;
    text-align: right;
}

.plain-input,
select { width: 150px; text-align: right; }

input:focus,
select:focus {
    outline: none;
    border-color: var(--green-dark);
    box-shadow: 0 0 0 2px rgba(0, 237, 100, 0.25);
}

.error {
    margin-top: 14px;
    padding: 10px 12px;
    border: 1px solid #f3c6c6;
    border-radius: 8px;
    background: #fff1f1;
    color: #8b0000;
    font-weight: 600;
}

.fine-print {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 11px;
    font-style: italic;
    line-height: 1.45;
    text-align: center;
}

@media (max-width: 900px) {
    .quote-grid { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 480px) {
    .calculator-wrap { padding: 0 8px; }
    .field-row, .result-row { grid-template-columns: 1fr; gap: 5px; margin-bottom: 12px; }
    .result-row strong { text-align: left; }
    .money-input, .plain-input, select { width: 100%; }
}