.pp-calculator {
    max-width: 880px;
    margin: 24px auto;
    color: var(--pp-text);
}
.pp-calculator h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); margin: 8px 0 12px; }
.pp-calc-eyebrow { color: var(--pp-accent); font-size: .75rem; font-weight: 700; letter-spacing: .09em; }
.pp-calc-modes, .pp-calc-examples, .pp-calc-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.pp-calc-modes { margin: 24px 0; }
.pp-calc-modes a, .pp-calc-examples button {
    padding: 10px 14px;
    border: 1px solid var(--pp-line);
    border-radius: 12px;
    color: var(--pp-text);
    background: var(--pp-surface);
    font: inherit;
    text-decoration: none;
    cursor: pointer;
}
.pp-calc-modes a[aria-current] { border-color: var(--pp-accent); box-shadow: inset 0 -3px var(--pp-accent); font-weight: 700; }
.pp-calc-form, .pp-calc-result, .pp-calc-empty, .pp-calc-error { padding: clamp(16px, 3vw, 28px); border: 1px solid var(--pp-line); border-radius: 16px; background: var(--pp-surface); margin: 20px 0; }
.pp-calc-examples { margin-bottom: 24px; font-size: .875rem; }
.pp-calc-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.pp-calc-fields label { display: block; font-weight: 600; margin-bottom: 8px; }
.pp-calc-fields input, .pp-calc-fields select { background: var(--pp-surface); color: var(--pp-text); border-color: var(--pp-line); border-radius: 8px; font-size: 1rem; }
.pp-calc-fields .pp-calc-period { font-weight: 400; font-size: .875rem; margin-top: 10px; }
.pp-calc-help { font-size: .875rem; color: var(--pp-text-soft); }
.pp-calc-context, .pp-calc-relation { padding: 12px; border-left: 3px solid var(--pp-accent); }
.pp-calc-result { border-color: var(--pp-accent); }
.pp-calc-value { display: block; font-size: clamp(1.8rem, 5vw, 3rem); font-weight: 750; line-height: 1.2; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.pp-calc-error { border-color: #d23b48; }
.pp-calc-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.pp-calc-summary dd { margin: 8px 0 0; font-size: 1.3rem; font-weight: 650; overflow-wrap: anywhere; }
.pp-calculator progress { display: block; width: 100%; height: 16px; margin-top: 12px; accent-color: var(--pp-accent); }
.pp-calculator summary { cursor: pointer; padding: 14px 0; font-weight: 600; }
.pp-calc-table { overflow-x: auto; }
.pp-calc-table table { white-space: nowrap; }
.pp-calc-table th { color: var(--pp-text); }
.pp-calc-table caption { text-align: left; padding: 12px 0; white-space: normal; }
.pp-calculator[aria-busy="true"] .pp-calc-form { opacity: .65; }
@media (max-width: 540px) {
    .pp-calc-fields, .pp-calc-summary { grid-template-columns: 1fr; }
    .pp-calc-actions > * { width: 100%; }
    .pp-calc-modes a { flex: 1 1 140px; }
}