body {
    background: #f6f7f9;
    color: #1d252d;
}

.rei-header {
    background: #ffffff;
    border-bottom: 1px solid #d9dee5;
}

.rei-header__inner,
.rei-main {
    max-width: 1760px;
    margin: 0 auto;
    padding: 0 18px;
}

.rei-header__inner {
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.rei-brand {
    color: #1d252d;
    font-weight: 700;
    text-decoration: none;
}

.rei-path {
    color: #637083;
    font-size: 0.875rem;
}

.rei-main {
    padding-top: 18px;
    padding-bottom: 32px;
}

.rei-toolbar,
.rei-section,
.rei-results,
.rei-side {
    background: #ffffff;
    border: 1px solid #d9dee5;
    border-radius: 8px;
}

.rei-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px;
    margin-bottom: 14px;
}

.rei-toolbar h1 {
    font-size: 1.35rem;
    margin: 0 0 8px;
}

.rei-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.rei-scenario-select {
    width: min(280px, 100%);
}

.rei-alerts {
    display: grid;
    gap: 6px;
    margin-bottom: 10px;
}

.rei-alerts .alert {
    margin: 0;
    padding: 7px 10px;
    border-left-width: 4px;
    font-size: 0.84rem;
    line-height: 1.3;
}

.rei-alerts .alert-info {
    background: #f8fafc;
    border-color: #d9dee5;
    color: #445064;
}

.rei-alerts .alert-warning {
    background: #fff9e8;
    border-color: #efd27c;
    color: #604a00;
}

.rei-alerts .alert-danger {
    background: #fff5f5;
    border-color: #ef9a9a;
    color: #842029;
}

.rei-alerts .alert-success {
    background: #f0f8f3;
    border-color: #9bd1ad;
    color: #0f5132;
}

.rei-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

.rei-card {
    background: #ffffff;
    border: 1px solid #d9dee5;
    border-radius: 8px;
    padding: 9px;
    min-height: 70px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.rei-card span {
    color: #637083;
    font-size: 0.76rem;
}

.rei-card strong {
    font-size: 0.95rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.rei-card em {
    align-self: flex-start;
    font-style: normal;
    white-space: normal;
    text-align: left;
}

.rei-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 390px;
    gap: 14px;
    align-items: start;
}

.rei-form {
    display: grid;
    gap: 14px;
}

.rei-section,
.rei-results,
.rei-side {
    padding: 16px;
}

.rei-section h2,
.rei-results h2,
.rei-side h2 {
    font-size: 1rem;
    margin: 0 0 12px;
}

.rei-section label {
    color: #445064;
    font-size: 0.82rem;
}

.rei-section .form-control,
.rei-section .form-select {
    margin-top: 4px;
}

.rei-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 28px;
}

.rei-inline-note {
    background: #f8fafc;
    border: 1px solid #d9e2ef;
    border-left: 3px solid #64748b;
    border-radius: 6px;
    color: #445064;
    font-size: 0.82rem;
    line-height: 1.35;
    padding: 8px 10px;
}

.rei-inline-note a {
    color: #245887;
    text-decoration: none;
}

.rei-inline-note a:hover {
    text-decoration: underline;
}

.rei-equity-note {
    padding-top: 24px;
}

.rei-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.rei-section-head h2 {
    margin: 0;
}

.rei-section-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.rei-subsection-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 14px 0 10px;
}

.rei-subsection-head h3 {
    margin: 0;
    font-size: 0.92rem;
}

.rei-section.is-collapsed .rei-section-head {
    margin-bottom: 0;
}

.rei-results.is-collapsed .rei-section-head {
    margin-bottom: 0;
}

.rei-section-toggle {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.rei-section-toggle::before {
    content: "";
    width: 9px;
    height: 9px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.16s ease;
}

.rei-section.is-collapsed .rei-section-toggle::before {
    transform: rotate(-45deg) translateX(-1px);
}

.rei-results.is-collapsed .rei-section-toggle::before {
    transform: rotate(-45deg) translateX(-1px);
}

.rei-section-body[hidden],
.rei-result-body[hidden] {
    display: none;
}

.rei-repeater {
    display: grid;
    gap: 10px;
}

.rei-repeater-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)) 90px;
    gap: 8px;
    align-items: end;
    padding: 10px;
    background: #f8fafc;
    border: 1px solid #dfe4ea;
    border-radius: 8px;
}

.rei-repeater-row label {
    min-width: 0;
}

.rei-repeater-row .form-check-input {
    display: block;
    margin-top: 10px;
}

.rei-side {
    position: sticky;
    top: 14px;
    max-height: calc(100vh - 28px);
    overflow: auto;
}

.rei-breakdown {
    display: grid;
    gap: 4px;
    margin-bottom: 16px;
}

.rei-breakdown-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px solid #edf0f4;
    color: #445064;
    font-size: 0.86rem;
}

.rei-breakdown-row strong {
    color: #1d252d;
    white-space: nowrap;
}

.rei-breakdown-row--strong {
    color: #1d252d;
    font-weight: 700;
}

.rei-formulas {
    display: grid;
    gap: 10px;
    color: #334155;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.82rem;
}

.rei-details summary {
    cursor: pointer;
    font-weight: 700;
}

.rei-details .rei-formulas {
    margin-top: 12px;
}

.rei-reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    align-items: start;
}

.rei-scenario-help {
    display: grid;
    gap: 12px;
    margin-top: 12px;
    color: #334155;
    font-size: 0.82rem;
}

.rei-scenario-help article {
    padding-bottom: 12px;
    border-bottom: 1px solid #edf0f4;
}

.rei-scenario-help h3 {
    margin: 0 0 4px;
    font-size: 0.9rem;
}

.rei-scenario-help p {
    margin: 0;
    color: #637083;
    line-height: 1.35;
}

.rei-scale-legend {
    display: grid;
    gap: 12px;
    margin-top: 12px;
}

.rei-scale-group {
    display: grid;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid #edf0f4;
}

.rei-scale-group h3 {
    margin: 0;
    font-size: 0.9rem;
}

.rei-scale-group p {
    margin: 0;
    color: #637083;
    font-size: 0.78rem;
}

.rei-scale-group > div {
    display: grid;
    gap: 6px;
}

.rei-scale-row {
    display: grid;
    grid-template-columns: minmax(72px, auto) minmax(0, 1fr);
    gap: 4px 8px;
    align-items: start;
    font-size: 0.78rem;
}

.rei-scale-row span {
    color: #445064;
    white-space: nowrap;
}

.rei-scale-row em {
    justify-self: start;
    font-style: normal;
    white-space: normal;
    text-align: left;
}

.rei-scale-row small {
    grid-column: 1 / -1;
    color: #637083;
    line-height: 1.3;
}

.rei-calculation-breakdown {
    display: grid;
    gap: 10px;
}

.rei-calc-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    padding: 12px;
    background: #f8fafc;
    border: 1px solid #dfe4ea;
    border-radius: 8px;
}

.rei-calc-row div {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.rei-calc-row span {
    color: #637083;
    font-size: 0.78rem;
}

.rei-calc-row strong {
    font-size: 0.98rem;
}

.rei-source-link {
    color: #2563eb;
    font-weight: 700;
    text-decoration: none;
}

.rei-source-link:hover {
    text-decoration: underline;
}

.rei-calc-row code,
.rei-calc-row em {
    overflow-wrap: anywhere;
    color: #445064;
    font-size: 0.82rem;
}

.rei-calc-row em {
    font-style: normal;
}

.rei-calc-row b {
    white-space: nowrap;
}

.rei-results {
    margin-top: 14px;
}

.rei-grid {
    border: 1px solid #d9dee5;
    border-radius: 8px;
    overflow: hidden;
}

.rei-grid .tabulator {
    font-size: 0.78rem;
    line-height: 1.2;
}

.rei-grid .tabulator .tabulator-header .tabulator-col .tabulator-col-content {
    padding: 3px 5px;
}

.rei-grid .tabulator .tabulator-header .tabulator-col .tabulator-col-content .tabulator-col-title {
    line-height: 1.15;
}

.rei-grid .tabulator-row {
    min-height: 22px;
}

.rei-grid .tabulator-row .tabulator-cell {
    padding: 2px 5px;
    line-height: 1.25;
}

.rei-grid .tabulator .tabulator-footer .tabulator-footer-contents {
    padding: 3px 6px;
}

.rei-grid .tabulator .tabulator-footer .tabulator-calcs-holder .tabulator-row,
.rei-grid .tabulator .tabulator-tableholder .tabulator-table .tabulator-row.tabulator-calcs {
    font-weight: 700;
}

.rei-grid .tabulator .tabulator-footer .tabulator-calcs-holder .tabulator-row .tabulator-cell,
.rei-grid .tabulator .tabulator-tableholder .tabulator-table .tabulator-row.tabulator-calcs .tabulator-cell {
    padding-top: 3px;
    padding-bottom: 3px;
}

.rei-grid--small {
    min-height: 260px;
}

@media (max-width: 1100px) {
    .rei-layout {
        grid-template-columns: 1fr;
    }

    .rei-side {
        position: static;
    }
}

@media (max-width: 720px) {
    .rei-toolbar,
    .rei-header__inner {
        align-items: stretch;
        flex-direction: column;
    }

    .rei-actions {
        width: 100%;
    }

    .rei-actions .btn {
        flex: 1 1 160px;
    }

    .rei-reference-grid {
        grid-template-columns: 1fr;
    }
}