/* ===== ROI Calculator Block ===== */

.roi-calculator {
    padding: 100px 0 60px;
}

/* ---- Step Navigation ---- */

.calc-steps-nav {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0;
}

.calc-step-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px 14px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-dim);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    margin-bottom: -1px;
}

.calc-step-btn:hover {
    color: var(--color-text-secondary);
}

.calc-step-btn.active {
    color: var(--color-text-primary);
    border-bottom-color: var(--color-accent);
}

.calc-step-btn.completed {
    color: var(--color-accent);
}

.calc-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-card-bg-hover);
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
    transition: background 0.2s, box-shadow 0.2s;
}

.calc-step-btn.active .calc-step-num {
    background: var(--color-accent);
    color: #ffffff;
    box-shadow: 0 0 0 4px var(--color-accent-10);
}

.calc-step-btn.completed .calc-step-num {
    background: var(--color-accent-10);
    color: var(--color-accent);
}

.calc-step-connector {
    flex: 1;
    min-width: 20px;
}

.calc-step-label {
    white-space: nowrap;
}

/* ---- Step Panels (fade + slide transition) ---- */

.calc-step {
    display: none;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.calc-step.active {
    display: block;
}

.calc-step.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Tooltips ---- */

.calc-tooltip-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-left: 6px;
    vertical-align: middle;
}

.calc-tooltip-trigger {
    color: var(--color-text-ghost);
    cursor: help;
    transition: color 0.2s;
    flex-shrink: 0;
    outline: none;
}

.calc-tooltip-wrap:hover .calc-tooltip-trigger,
.calc-tooltip-wrap:focus-within .calc-tooltip-trigger {
    color: var(--color-accent);
}

.calc-tooltip-text {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text-primary);
    color: var(--color-bg);
    padding: 8px 12px;
    border-radius: var(--radius-xs);
    font-size: 12px;
    font-weight: 400;
    line-height: 1.5;
    white-space: normal;
    width: 240px;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    pointer-events: none;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.calc-tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--color-text-primary);
}

.calc-tooltip-wrap:hover .calc-tooltip-text,
.calc-tooltip-wrap:focus-within .calc-tooltip-text {
    opacity: 1;
    visibility: visible;
}

/* ---- Field Groups ---- */

.calc-field-group {
    margin-bottom: 20px;
}

.calc-label {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.calc-sublabel {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
}

.calc-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

/* ---- Radio Cards (Asset Class) ---- */

.calc-radio-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.calc-radio-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 12px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    font-family: var(--font-family);
    color: var(--color-text-muted);
}

.calc-radio-card strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.calc-radio-card span {
    font-size: 12px;
}

.calc-radio-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-card-bg-hover);
}

.calc-radio-card.active {
    border-color: var(--color-accent);
    background: var(--color-accent-10);
}

.calc-radio-card.active strong {
    color: var(--color-accent);
}

/* ---- Unit Input Grid ---- */

.calc-unit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.calc-unit-col {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.calc-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    transition: border-color 0.2s;
    -moz-appearance: textfield;
}

.calc-input::-webkit-inner-spin-button,
.calc-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calc-input:focus {
    outline: none;
    border-color: var(--color-border-focus);
}

.calc-ref {
    font-size: 12px;
    color: var(--color-text-ghost);
    text-align: center;
}

/* ---- Range Sliders ---- */

.calc-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    --fill: 50%;
    background: linear-gradient(
        to right,
        var(--color-accent) 0%,
        var(--color-accent) var(--fill),
        var(--color-slider-track) var(--fill),
        var(--color-slider-track) 100%
    );
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 0 1px var(--color-accent);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}

.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.calc-slider:active::-webkit-slider-thumb {
    transform: scale(1.25);
    box-shadow: 0 0 0 1px var(--color-accent), 0 0 0 6px var(--color-accent-10);
}

.calc-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 0 1px var(--color-accent);
    cursor: pointer;
}

.calc-slider::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: var(--color-slider-track);
}

.calc-slider::-moz-range-progress {
    height: 6px;
    border-radius: 3px;
    background: var(--color-accent);
}

.calc-slider-range {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 12px;
    color: var(--color-text-ghost);
}

.calc-value-display {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    min-width: 60px;
    text-align: right;
}

/* ---- Reno Slider Grid ---- */

.calc-reno-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
}

.calc-reno-slider-group {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* ---- Amenity Checkboxes ---- */

.calc-amenities {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.calc-amenity-item {
    padding: 12px;
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
}

.calc-amenity-item:last-child {
    border: 1px solid var(--color-border-subtle);
}

.calc-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    user-select: none;
}

.calc-checkbox-label input[type="checkbox"] {
    display: none;
}

.calc-checkbox-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid var(--color-border-medium);
    background: var(--color-card-bg);
    transition: background 0.2s, border-color 0.2s;
    flex-shrink: 0;
}

.calc-checkbox-label input:checked + .calc-checkbox-box {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.calc-checkbox-label input:checked + .calc-checkbox-box::after {
    content: '';
    display: block;
    width: 5px;
    height: 9px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-top: -1px;
}

.calc-amenity-slider {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, margin-top 0.3s ease;
    margin-top: 0;
}

.calc-amenity-slider.open {
    max-height: 120px;
    margin-top: 10px;
}

/* ---- Navigation Buttons ---- */

.calc-nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-subtle);
}

/* ---- Results Cards ---- */

.calc-results-headline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.calc-results-detail {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.calc-results-perunit {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 36px;
}

.calc-result-card {
    padding: 20px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
}

.calc-result-card.accent {
    border-color: var(--color-accent-20);
    background: var(--color-accent-10);
}

.calc-result-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-dim);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.calc-result-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.calc-result-card.accent .calc-result-value {
    font-size: 32px;
    color: var(--color-accent);
}

/* ---- Bar Chart ---- */

.calc-chart-section {
    margin-bottom: 36px;
}

.calc-chart-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.calc-bar-chart {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.calc-bar-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.calc-bar-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    min-width: 100px;
    flex-shrink: 0;
}

.calc-bar-track {
    flex: 1;
    height: 28px;
    background: var(--color-card-bg-alt);
    border-radius: var(--radius-xs);
    overflow: hidden;
}

.calc-bar-fill {
    height: 100%;
    border-radius: var(--radius-xs);
    transition: width 0.6s ease;
    min-width: 2px;
}

.calc-bar-fill.capex {
    background: var(--color-text-ghost);
}

.calc-bar-fill.value {
    background: var(--color-accent);
}

.calc-bar-amount {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    min-width: 90px;
    text-align: right;
    flex-shrink: 0;
}

/* ---- CapEx Breakdown Stacked Bar ---- */

.capex-bar-stacked {
    display: flex;
    height: 28px;
    border-radius: var(--radius-xs);
    overflow: hidden;
    margin-bottom: 12px;
}

.capex-segment {
    transition: width 0.6s ease;
    min-width: 2px;
}

.capex-segment.interior {
    background: var(--color-accent);
}

.capex-segment.exterior {
    background: var(--color-text-ghost);
}

.capex-segment.amenity {
    background: var(--color-accent-muted);
}

.capex-legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.capex-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
}

.capex-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

.capex-dot.interior { background: var(--color-accent); }
.capex-dot.exterior { background: var(--color-text-ghost); }
.capex-dot.amenity  { background: var(--color-accent-muted); }

/* ---- CTA ---- */

.calc-cta {
    text-align: center;
    margin-bottom: 16px;
}

.calc-cta-note {
    font-size: 14px;
    color: var(--color-text-dim);
    margin-bottom: 16px;
}

/* ---- Actions Row (PDF + Email) ---- */

.calc-actions-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.calc-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.calc-action-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ---- Email Form ---- */

.calc-email-form {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, margin-bottom 0.3s ease;
    margin-bottom: 0;
}

.calc-email-form.open {
    max-height: 150px;
    margin-bottom: 16px;
}

.calc-email-form-inner {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 20px;
    background: var(--color-card-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.calc-email-form-inner .calc-input {
    flex: 1;
    text-align: left;
}

.calc-email-form-inner .btn-primary {
    flex-shrink: 0;
}

.calc-email-status {
    margin-top: 8px;
    padding: 0 20px;
    font-size: 13px;
    min-height: 0;
}

.calc-email-status.success {
    color: var(--color-accent);
}

.calc-email-status.error {
    color: #ef4444;
}

/* ---- Disclaimer ---- */

.calc-disclaimer {
    margin-top: 40px;
    padding: 20px 24px;
    font-size: 13px;
    line-height: 1.65;
    color: var(--color-text-dim);
    border-top: 1px solid var(--color-border);
}

/* ---- Responsive ---- */

@media (max-width: 1024px) {
    .calc-radio-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .calc-results-headline {
        grid-template-columns: 1fr;
    }

    .calc-results-detail {
        grid-template-columns: repeat(2, 1fr);
    }

    .calc-results-perunit {
        grid-template-columns: 1fr;
    }

    .calc-result-value {
        font-size: 24px;
    }

    .calc-result-card.accent .calc-result-value {
        font-size: 26px;
    }
}

@media (max-width: 768px) {
    .roi-calculator {
        padding: 60px 0 40px;
    }

    .calc-steps-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        border-bottom: none;
    }

    .calc-step-btn {
        border-bottom: 1px solid var(--color-border-subtle);
        border-left: 2px solid transparent;
        margin-bottom: 0;
    }

    .calc-step-btn.active {
        border-bottom-color: var(--color-border-subtle);
        border-left-color: var(--color-accent);
    }

    .calc-step-connector {
        display: none;
    }

    .calc-radio-cards {
        grid-template-columns: 1fr 1fr;
    }

    .calc-unit-grid {
        grid-template-columns: 1fr;
    }

    .calc-reno-grid {
        grid-template-columns: 1fr;
    }

    .calc-amenities {
        grid-template-columns: 1fr;
    }

    .calc-results-detail {
        grid-template-columns: 1fr;
    }

    .calc-nav-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .calc-nav-buttons .btn-ghost,
    .calc-nav-buttons .btn-primary {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .calc-bar-row {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .calc-bar-track {
        flex: none;
        height: 28px;
    }

    .calc-bar-label {
        min-width: auto;
    }

    .calc-bar-amount {
        min-width: auto;
        text-align: left;
    }

    .calc-tooltip-text {
        left: 0;
        transform: none;
        width: 200px;
    }

    .calc-tooltip-text::after {
        left: 12px;
        transform: none;
    }

    .calc-email-form-inner {
        flex-direction: column;
    }

    .calc-email-form-inner .calc-input,
    .calc-email-form-inner .btn-primary {
        width: 100%;
    }

    .calc-email-form.open {
        max-height: 260px;
    }
}

/* ===== Side-by-Side Layout ===== */

/* In SBS mode, steps are tab-switched (not all visible at once) */
.calc-layout-sidebyside .calc-step {
    opacity: 1;
    transform: none;
    transition: none;
}

/* In SBS, steps 1 & 2 act as tab panels — only active one is shown */
.calc-layout-sidebyside .calc-sbs-inputs .calc-step {
    display: none;
}

.calc-layout-sidebyside .calc-sbs-inputs .calc-step.sbs-active {
    display: block;
}

/* Step 3 (results) is always visible in SBS */
.calc-layout-sidebyside .calc-sbs-results .calc-step {
    display: block;
}

/* Hide step navigation buttons */
.calc-layout-sidebyside .calc-nav-buttons {
    display: none;
}

/* ---- SBS Tabs ---- */

.calc-sbs-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.calc-sbs-tab {
    padding: 10px 20px 12px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-dim);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    margin-bottom: -1px;
}

.calc-sbs-tab:hover {
    color: var(--color-text-secondary);
}

.calc-sbs-tab.active {
    color: var(--color-text-primary);
    border-bottom-color: var(--color-accent);
}

/* ---- SBS Two-column grid ---- */

.calc-sbs-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.calc-sbs-inputs {
    min-width: 0;
}

/* Smart sticky: whichever panel is shorter gets sticky.
   JS sets .sbs-sticky on the shorter panel. */
.calc-sbs-results {
    min-width: 0;
}

.calc-sbs-inputs.sbs-sticky,
.calc-sbs-results.sbs-sticky {
    position: sticky;
    top: 24px;
}

/* ---- Compact Results for SBS ---- */

/* Headline: 3 accent cards in a row */
.calc-layout-sidebyside .calc-results-headline {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}

/* Compact accent cards */
.calc-layout-sidebyside .calc-result-card.accent {
    padding: 12px 10px;
    text-align: center;
}

.calc-layout-sidebyside .calc-result-card.accent .calc-result-label {
    font-size: 9px;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.calc-layout-sidebyside .calc-result-card.accent .calc-result-value {
    font-size: 18px;
}

/* Detail: 4 cards in 2x2 */
.calc-layout-sidebyside .calc-results-detail {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}

.calc-layout-sidebyside .calc-results-detail .calc-result-card {
    padding: 10px;
    text-align: center;
}

.calc-layout-sidebyside .calc-results-detail .calc-result-label {
    font-size: 9px;
    margin-bottom: 2px;
}

.calc-layout-sidebyside .calc-results-detail .calc-result-value {
    font-size: 16px;
}

/* Per-unit: 3 cards in a row */
.calc-layout-sidebyside .calc-results-perunit {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}

.calc-layout-sidebyside .calc-results-perunit .calc-result-card {
    padding: 10px;
    text-align: center;
}

.calc-layout-sidebyside .calc-results-perunit .calc-result-label {
    font-size: 9px;
    margin-bottom: 2px;
}

.calc-layout-sidebyside .calc-results-perunit .calc-result-value {
    font-size: 16px;
}

/* Compact charts */
.calc-layout-sidebyside .calc-chart-section {
    margin-bottom: 12px;
}

.calc-layout-sidebyside .calc-chart-title {
    font-size: 13px;
    margin-bottom: 8px;
}

/* Compact CTA */
.calc-layout-sidebyside .calc-cta {
    margin-bottom: 12px;
    padding: 12px 0;
}

.calc-layout-sidebyside .calc-cta-note {
    font-size: 12px;
    margin-bottom: 8px;
}

/* Compact actions row */
.calc-layout-sidebyside .calc-actions-row {
    gap: 8px;
    margin-bottom: 8px;
}

.calc-layout-sidebyside .calc-action-btn {
    font-size: 12px;
    padding: 6px 12px;
}

/* Compact email form */
.calc-layout-sidebyside .calc-email-form.open {
    max-height: 200px;
}

/* ---- SBS Responsive: Tablet (stack to single column) ---- */
@media (max-width: 1024px) {
    .calc-sbs-wrapper {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .calc-sbs-inputs.sbs-sticky,
    .calc-sbs-results.sbs-sticky {
        position: static;
    }

    .calc-layout-sidebyside .calc-results-headline {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .calc-layout-sidebyside .calc-result-card.accent .calc-result-value {
        font-size: 22px;
    }

    .calc-layout-sidebyside .calc-results-detail {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .calc-layout-sidebyside .calc-results-perunit {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .calc-layout-sidebyside .calc-results-detail .calc-result-value,
    .calc-layout-sidebyside .calc-results-perunit .calc-result-value {
        font-size: 18px;
    }
}

/* ---- SBS Responsive: Mobile ---- */
@media (max-width: 768px) {
    .calc-sbs-tabs {
        gap: 0;
    }

    .calc-sbs-tab {
        flex: 1;
        text-align: center;
        padding: 10px 12px;
        font-size: 13px;
    }

    .calc-layout-sidebyside .calc-results-headline {
        grid-template-columns: 1fr;
    }

    .calc-layout-sidebyside .calc-results-detail {
        grid-template-columns: 1fr;
    }

    .calc-layout-sidebyside .calc-results-perunit {
        grid-template-columns: 1fr;
    }
}