.ipo-calculator-nav {
    display: grid;
    grid-template-columns: repeat(7, minmax(8.5rem, 1fr));
    gap: .65rem;
    margin: 1.5rem 0;
    overflow-x: auto;
    padding-bottom: .25rem;
}

.ipo-calculator-nav button {
    align-items: center;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: .85rem;
    color: var(--bs-secondary-color);
    display: flex;
    flex-direction: column;
    gap: .35rem;
    min-height: 5rem;
    padding: .8rem .65rem;
    transition: border-color .15s ease, background .15s ease, transform .15s ease;
}

.ipo-calculator-nav button:hover { border-color: var(--bs-success); transform: translateY(-1px); }
.ipo-calculator-nav button.active { background: rgba(var(--bs-success-rgb), .12); border-color: var(--bs-success); color: var(--bs-emphasis-color); }
.ipo-calculator-nav i { color: var(--gain); font-size: 1.25rem; }

.ipo-calculator-panel {
    animation: calculator-in .18s ease-out;
    background: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 1rem;
    padding: clamp(1rem, 3vw, 2rem);
}

@keyframes calculator-in { from { opacity: .55; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.calculator-heading { align-items: center; display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.calculator-heading-icon { align-items: center; background: rgba(var(--bs-success-rgb), .14); border-radius: .85rem; color: var(--gain); display: inline-flex; flex: 0 0 3rem; font-size: 1.35rem; height: 3rem; justify-content: center; }
.calculator-inputs { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color); border-radius: .85rem; padding: 1.15rem; }
.calculator-inputs .form-label { color: var(--bs-secondary-color); font-size: .82rem; font-weight: 650; }
.source-chip { background: rgba(var(--bs-info-rgb), .15); border-radius: 1rem; color: var(--bs-info); font-size: .65rem; letter-spacing: .02em; margin-left: .3rem; padding: .18rem .45rem; text-transform: uppercase; }
.calculator-source-note, .result-formula { color: var(--bs-secondary-color); font-size: .78rem; margin: .9rem 0 0; }
.allotment-demand-input { align-items: center; display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr) 7rem; }
.calculator-caveat { background: rgba(var(--bs-info-rgb), .09); border-left: .2rem solid var(--bs-info); border-radius: .4rem; color: var(--bs-secondary-color); font-size: .8rem; margin: 1rem 0 0; padding: .8rem .9rem; }

.calculator-result { background: linear-gradient(145deg, rgba(var(--bs-success-rgb), .11), rgba(var(--bs-info-rgb), .07)); border: 1px solid rgba(var(--bs-success-rgb), .25); border-radius: .85rem; min-height: 9rem; padding: 1.2rem; }
.calculator-empty { align-items: center; color: var(--bs-secondary-color); display: flex; flex-direction: column; height: 100%; justify-content: center; min-height: 6.5rem; text-align: center; }
.calculator-empty i { font-size: 1.8rem; margin-bottom: .5rem; opacity: .6; }
.calculator-empty p { margin: 0; max-width: 28rem; }
.calculator-metric-grid { display: grid; gap: .75rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.calculator-metric { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color); border-radius: .7rem; display: flex; flex-direction: column; padding: .85rem 1rem; }
.calculator-metric span { color: var(--bs-secondary-color); font-size: .75rem; }
.calculator-metric strong { font-size: 1.15rem; margin-top: .15rem; }
.calculator-metric.positive strong { color: var(--gain); }
.calculator-metric.negative strong, .calculator-hero-value.negative strong { color: var(--bs-danger); }
.calculator-metric.accent { border-color: rgba(var(--bs-info-rgb), .5); }

.calculator-hero-value { align-items: center; display: flex; flex-direction: column; justify-content: center; min-height: 8rem; text-align: center; }
.calculator-hero-value > span, .calculator-hero-value small { color: var(--bs-secondary-color); }
.calculator-hero-value strong { color: var(--gain); font-size: clamp(2rem, 6vw, 3.3rem); line-height: 1.1; margin: .3rem 0; }
.split-bar { border-radius: .55rem; display: flex; min-height: 2.65rem; overflow: hidden; }
.split-bar span { align-items: center; display: flex; font-size: .75rem; font-weight: 700; justify-content: center; min-width: 0; overflow: hidden; padding: .4rem; white-space: nowrap; }
.split-bar span:first-child { background: var(--bs-success); color: white; }
.split-bar span:last-child { background: var(--bs-secondary-bg); }

.sensitivity-table, .valuation-table { font-variant-numeric: tabular-nums; min-width: 48rem; text-align: right; }
.sensitivity-table caption, .valuation-table caption { color: var(--bs-secondary-color); caption-side: top; font-size: .8rem; }
.sensitivity-table th:first-child, .valuation-table th:first-child { text-align: left; }
.sensitivity-table .selected-scenario > * { background: rgba(var(--bs-warning-rgb), .15); }
.fcfe-ledger { display: grid; gap: .55rem; }
.fcfe-ledger div { border-bottom: 1px solid var(--bs-border-color); display: flex; justify-content: space-between; padding: .55rem .2rem; }
.fcfe-ledger span { color: var(--bs-secondary-color); font-size: .82rem; }
.calculator-warning { background: rgba(var(--bs-warning-rgb), .12); border-left: .2rem solid var(--bs-warning); border-radius: .4rem; color: var(--bs-emphasis-color); font-size: .8rem; margin: 1rem 0 0; padding: .7rem .9rem; }
.calculator-band { color: var(--bs-secondary-color); font-size: .78rem; margin: .9rem 0 0; }
.calculator-result .h6 { color: var(--bs-emphasis-color); }

.listing-record { background: var(--bs-body-bg); border: 1px dashed var(--bs-border-color); border-radius: .85rem; margin-top: 1rem; padding: 1rem 1.15rem; }
.listing-record .h6 { color: var(--bs-emphasis-color); }
.listing-record-line { font-size: .82rem; margin: 0 0 .6rem; }
.listing-record-table { font-size: .8rem; font-variant-numeric: tabular-nums; }
.listing-record-table th { color: var(--bs-secondary-color); font-weight: 600; }
.listing-record .calculator-caveat { margin-top: .6rem; }

@media (max-width: 991.98px) {
    .ipo-calculator-nav { grid-template-columns: repeat(7, 8.5rem); }
}

@media (max-width: 575.98px) {
    .allotment-demand-input { grid-template-columns: 1fr; }
    .calculator-metric-grid { grid-template-columns: 1fr; }
    .calculator-heading { align-items: flex-start; }
    .ipo-calculator-panel { border-radius: .8rem; }
}