.pk-cg-fields { display: flex; flex-direction: column; gap: 14px; margin: 18px 0; }
    .pk-cg-field {
        display: grid;
        gap: 10px;
        grid-template-columns: 130px 1fr;
        align-items: start;
        padding: 12px 14px;
        background: rgba(0,0,0,0.20);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: 10px;
    }
    @media (max-width: 640px) {
        .pk-cg-field { grid-template-columns: 1fr; }
    }
    .pk-cg-field__label { font-weight: 700; color: var(--pk-fg); font-size: 0.92rem; padding-top: 8px; }
    .pk-cg-field__label small { display: block; font-weight: 400; color: var(--pk-fg-mut); font-size: 0.78rem; margin-top: 2px; }
    .pk-cg-field__body { display: flex; flex-direction: column; gap: 8px; }
    .pk-cg-modes { display: flex; flex-wrap: wrap; gap: 6px; }
    .pk-cg-modes label { cursor: pointer; }
    .pk-cg-modes input { display: none; }
    .pk-cg-modes span {
        display: inline-block;
        padding: 5px 10px;
        font-size: 0.78rem;
        font-weight: 600;
        border-radius: 999px;
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.10);
    }
    .pk-cg-modes input:checked + span {
        background: rgba(92,221,210,0.15);
        border-color: var(--calc-accent);
        color: var(--calc-accent);
    }
    .pk-cg-detail input[type="text"], .pk-cg-detail input[type="number"] {
        padding: 8px 10px !important;
        font-size: 0.88rem !important;
        font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    }
    .pk-cg-detail__row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
    .pk-cg-detail__row span { color: var(--pk-fg-mut); font-size: 0.85rem; }
    .pk-cg-input {
        width: 100%;
        padding: 12px 14px;
        background: rgba(0,0,0,0.30);
        border: 1.5px solid rgba(255,255,255,0.12);
        border-radius: 10px;
        color: var(--pk-fg);
        font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
        font-size: 0.95rem;
        box-sizing: border-box;
    }
    .pk-cg-input:focus { outline: none; border-color: var(--calc-accent); }
    .pk-cg-output { display: flex; flex-direction: column; gap: 8px; }
    .pk-cg-expr {
        display: flex; align-items: center; justify-content: space-between; gap: 12px;
        background: rgba(0,0,0,0.40);
        border: 1px solid rgba(255,255,255,0.12);
        padding: 14px 16px;
        border-radius: 10px;
    }
    .pk-cg-code {
        color: var(--calc-accent);
        font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
        font-size: 1.10rem;
        font-weight: 700;
        letter-spacing: 0.04em;
        flex: 1;
        text-align: left;
    }
    .pk-cg-explain {
        margin: 0;
        padding: 12px 14px;
        background: rgba(92,221,210,0.06);
        border-left: 3px solid var(--calc-accent);
        border-radius: 6px;
        color: var(--pk-fg);
        font-size: 0.95rem;
        text-align: left;
    }
    .pk-cg-runs {
        margin: 6px 0 0; padding: 0; list-style: none;
        display: flex; flex-direction: column; gap: 6px;
    }
    .pk-cg-runs li {
        padding: 8px 12px;
        background: rgba(0,0,0,0.30);
        border-radius: 8px;
        font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
        font-size: 0.86rem;
        text-align: left;
    }
    .pk-btn {
        appearance: none; cursor: pointer;
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,255,255,0.12);
        color: var(--pk-fg);
        padding: 10px 16px;
        border-radius: 10px;
        font-weight: 700; font-size: 0.85rem;
        display: inline-flex; align-items: center; gap: 8px;
    }
    .pk-btn--primary {
        background: linear-gradient(135deg, var(--calc-accent-2), var(--calc-accent));
        color: #04102B; border-color: transparent;
    }
    .pk-btn:disabled { opacity: 0.6; cursor: wait; }
    .pk-jf__error {
        margin-top: 12px;
        padding: 12px 14px;
        border-radius: 10px;
        background: rgba(255,107,107,0.10);
        border: 1px solid rgba(255,107,107,0.35);
        color: #FFB4B4;
        font-size: 0.86rem; text-align: left;
    }
    .pk-jf__copy {
        appearance: none; cursor: pointer;
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,255,255,0.12);
        color: var(--pk-fg);
        padding: 6px 12px;
        border-radius: 8px;
        font-size: 0.78rem; font-weight: 700;
    }
    .pk-jf__copy:hover { background: rgba(92,221,210,0.10); border-color: var(--calc-accent); }
    .pk-jf__copy.is-copied { background: rgba(45,190,122,0.20); border-color: #2DBE7A; color: #2DBE7A; }