.sip-calculator {
    --sip-gold: #d5ad3b;
    --sip-dark: #1c1917;
    --sip-muted: #77736c;
    --sip-bg: #f6f5f1;
    --sip-border: #ddd9d0;
    max-width: 1100px;
    margin: 40px auto;
    font-family: Arial, Helvetica, sans-serif;
    color: #292521;
}
.sip-calculator * { box-sizing: border-box; }
.sip-header {
    background: var(--sip-dark);
    color: #fff;
    padding: 55px 60px;
    border-radius: 18px 18px 0 0;
}
.sip-badge {
    display: inline-block;
    background: #40351d;
    color: var(--sip-gold);
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 20px;
}
.sip-header h2 {
    margin: 0 0 15px;
    font-family: Georgia, serif;
    font-size: 42px;
    font-weight: 500;
}
.sip-header p {
    max-width: 620px;
    color: #c8c5c0;
    line-height: 1.7;
    margin: 0;
}
.sip-body { background: var(--sip-bg); padding: 45px; }
.sip-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}
.sip-input-card, .sip-projection-card {
    background: #fff;
    border: 1px solid var(--sip-border);
    border-radius: 14px;
    padding: 30px;
}
.sip-input-card h3, .sip-projection-card h3 {
    margin: 0 0 28px;
    font-family: Georgia, serif;
    font-size: 22px;
    font-weight: 500;
}
.sip-field { margin-bottom: 32px; }
.sip-field-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}
.sip-field label { font-size: 14px; color: #44403c; }
.sip-value {
    background: #f0ede3;
    border: 1px solid #e5dfd2;
    padding: 10px 12px;
    border-radius: 5px;
    width: 130px;
    text-align: right;
    font-weight: 600;
    color: #302b20;
}
.sip-range {
    width: 100%;
    accent-color: var(--sip-gold);
    cursor: pointer;
}
.sip-range-labels {
    display: flex;
    justify-content: space-between;
    color: var(--sip-muted);
    font-size: 11px;
    margin-top: 7px;
}
.sip-note {
    background: #faf8f1;
    border-left: 3px solid var(--sip-gold);
    padding: 12px 14px;
    font-size: 12px;
    line-height: 1.6;
    color: #5b554c;
}
.sip-result-card {
    background: var(--sip-dark);
    color: #fff;
    border-radius: 14px;
    padding: 30px;
    text-align: center;
}
.sip-result-title { color: #b89c54; font-size: 13px; margin-bottom: 8px; }
.sip-maturity {
    font-family: Georgia, serif;
    font-size: 34px;
    color: #d9b43d;
    margin-bottom: 20px;
}
.sip-chart-wrap { display: flex; justify-content: center; margin: 10px 0 20px; }
.sip-chart {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    position: relative;
    background: conic-gradient(var(--sip-gold) 0 50%, #4b4743 50% 100%);
}
.sip-chart::after {
    content: "";
    position: absolute;
    width: 92px;
    height: 92px;
    background: var(--sip-dark);
    border-radius: 50%;
    top: 29px;
    left: 29px;
}
.sip-legend {
    display: flex;
    justify-content: center;
    gap: 25px;
    font-size: 12px;
    margin-bottom: 22px;
}
.sip-legend span { display: flex; align-items: center; gap: 6px; }
.sip-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.sip-dot.principal { background: var(--sip-gold); }
.sip-dot.returns { background: #77736e; }
.sip-summary { display: grid; gap: 8px; }
.sip-summary-row {
    display: flex;
    justify-content: space-between;
    background: #292521;
    padding: 13px 15px;
    border-radius: 6px;
    font-size: 13px;
}
.sip-summary-row span:first-child { color: #aaa59e; }
.sip-summary-row span:last-child { color: #fff; font-weight: 600; }
.sip-projection-card { margin-top: 25px; overflow: hidden; }
.sip-table-wrap { overflow-x: auto; }
.sip-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.sip-table th, .sip-table td {
    padding: 13px 12px;
    border-bottom: 1px solid #ebe7df;
    text-align: right;
    white-space: nowrap;
}
.sip-table th:first-child, .sip-table td:first-child { text-align: left; }
.sip-table th { background: #faf8f1; font-weight: 600; }
.sip-disclaimer {
    font-size: 11px;
    color: #77736c;
    margin: 18px 0 0;
    line-height: 1.6;
}
@media (max-width: 768px) {
    .sip-header { padding: 35px 25px; }
    .sip-header h2 { font-size: 32px; }
    .sip-body { padding: 20px; }
    .sip-grid { grid-template-columns: 1fr; }
    .sip-input-card, .sip-result-card, .sip-projection-card { padding: 22px; }
    .sip-value { width: 110px; }
    .sip-maturity { font-size: 29px; }
}