/* ============================================================
   Stock Portfolio One — Public Compounding Calculator
   Extends calculator.css / landing.css (both loaded on the same page).
   ============================================================ */

.cmp-gold-text {
    background: linear-gradient(120deg, var(--gold-bright), var(--gold));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

#cmpChart {
    color: var(--text);
}

#cmpDelta:empty {
    display: none;
}

/* ── "Upgrade to unlock" modal ── */
.cmp-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(10, 8, 6, 0.72);
    backdrop-filter: blur(2px);
}

.cmp-modal-overlay[hidden] {
    display: none;
}

.cmp-modal {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: linear-gradient(180deg, var(--raised), var(--surface));
    border: 1px solid var(--border);
    border-radius: 1rem;
    box-shadow: var(--shadow);
    padding: 2rem 1.75rem 1.75rem;
    text-align: center;
}

.cmp-modal h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: var(--text);
}

.cmp-modal p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.cmp-modal .calc-btn {
    width: 100%;
    margin-bottom: 0.6rem;
}

.cmp-modal-close {
    position: absolute;
    top: 0.6rem;
    right: 0.8rem;
    background: none;
    border: none;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--text-faint);
    cursor: pointer;
}

.cmp-modal-close:hover {
    color: var(--text);
}