/* Build Your Own Vivarium – step-by-step layout and panels (aligned with site style) */

/* When build view is active on main site, hide list view and show build view */
.main-content.build-view-active .list-view {
    display: none !important;
}
.main-content.build-view-active .build-view {
    display: block !important;
}
.build-view.hidden {
    display: none !important;
}

.build-intro {
    max-width: 640px;
    margin: 0 auto 2rem;
    padding: 0 0.5rem;
    font-size: 1.05rem;
    line-height: 1.55;
    color: var(--text-light);
    text-align: center;
    font-family: 'Lato', sans-serif;
}

.build-vivarium-main {
    max-width: none;
    width: 100%;
    padding-bottom: 3rem;
}

/* Card-style wrapper for build content – matches site's filters-sidebar / card feel */
.build-vivarium-main .build-layout {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    padding: 1.75rem;
    gap: 1.75rem;
}

.build-footer .footer-back-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}
.build-footer .footer-back-link:hover {
    text-decoration: underline;
}

/* Intro when build view is inside index (main site) */
.build-intro-inline {
    margin: 0 0 1.25rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-light);
}

.build-layout {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}
@media (max-width: 768px) {
    .build-layout {
        flex-direction: column;
    }
    .build-vivarium-main .build-layout {
        padding: 1.25rem;
    }
}

.build-stepper {
    flex-shrink: 0;
    width: 260px;
    position: sticky;
    top: 1rem;
    padding: 0.5rem 0;
}
.build-stepper-heading {
    margin: 0 0 0.75rem 0;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-light);
    font-family: 'Lato', sans-serif;
}
@media (max-width: 768px) {
    .build-stepper {
        width: 100%;
        position: static;
    }
}

.build-stepper-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: build-step;
    position: relative;
}
/* Subtle connector between steps for a clearer “journey” feel */
.build-stepper-list::before {
    content: '';
    position: absolute;
    /* Align connector with the visual center of the numbered circles */
    left: calc(1rem + 0.875rem);
    top: 2.25rem;
    bottom: 2.25rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--border-color), var(--accent-color) 20%, var(--accent-color) 80%, var(--border-color));
    border-radius: 1px;
    opacity: 0.5;
    z-index: 0;
}
.build-stepper-list .build-step {
    position: relative;
    z-index: 1;
}

.build-step {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.9rem;
    transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.build-step:hover {
    border-color: rgba(45, 80, 22, 0.35);
}

.build-step[aria-current="step"],
.build-step.build-step-done {
    border-color: var(--primary-color);
    background: rgba(45, 80, 22, 0.08);
    box-shadow: 0 2px 8px rgba(45, 80, 22, 0.12);
}

.build-step.build-step-done .build-step-num {
    background: var(--primary-color);
    color: #fff;
}

.build-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--text-color);
    font-weight: 700;
    font-size: 0.85rem;
}

.build-step[aria-current="step"] .build-step-num {
    background: var(--primary-color);
    color: #fff;
}

.build-step-label-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}
.build-step-label {
    font-weight: 600;
    color: var(--text-color);
}
.build-step-choice {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-light);
    word-break: break-word;
    white-space: pre-line;
    line-height: 1.4;
}
.build-step-choice:empty {
    display: none;
}
.build-step.build-step-done .build-step-choice {
    color: var(--primary-color);
}

.build-step-panels {
    position: relative;
    flex: 1;
    min-width: 0;
    padding: 0.25rem 0;
    display: flex;
    flex-direction: column;
    overflow: visible;
}

.build-panel {
    display: none;
    animation: buildPanelIn 0.25s ease;
}

.build-panel.build-panel-active {
    display: flex;
    flex-direction: column;
    overflow: visible;
}

@keyframes buildPanelIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.build-panel-title {
    font-family: 'DM Serif Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 0.5rem 0;
    letter-spacing: 0.02em;
}

.build-panel-desc {
    font-family: 'Lato', sans-serif;
    color: var(--text-light);
    margin: 0 0 1.5rem 0;
    font-size: 1rem;
    line-height: 1.5;
}

.build-selected-choice {
    margin: 0 0 1rem 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}
.build-selected-choice:empty {
    display: none;
}

.build-review-summary {
    margin-bottom: 1.5rem;
    overflow: visible;
}
.build-review-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.build-review-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.build-review-card-title {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.build-review-card-content {
    flex: 1;
    min-height: 0;
}
.build-review-card-desc {
    margin: 0.25rem 0 0 0;
    font-size: 0.85rem;
    color: var(--text-light);
}
.build-review-chip {
    display: inline-block;
    padding: 0.35rem 0.6rem;
    background: rgba(45, 80, 22, 0.08);
    border-radius: 6px;
    font-size: 0.85rem;
    margin: 0.2rem 0.2rem 0 0;
}
.build-review-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
}
.build-review-empty {
    font-size: 0.9rem;
    color: var(--text-light);
}
.build-review-card-wide {
    /* full width when using column layout */
}
.build-review-items-grid {
    margin-top: 0.5rem;
}
.build-review-summary .build-review-item-card {
    cursor: default;
    pointer-events: none;
}
.build-review-summary .build-review-item-card .plant-image-container .card-price {
    font-size: 0.65rem;
    padding: 0.22rem 0.4rem;
}
.build-review-summary .image-placeholder {
    min-height: 100px;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.build-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    overflow: visible;
}

.build-option-card {
    display: block;
    padding: 1.15rem 1rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    font-family: 'Lato', sans-serif;
}

.build-option-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.build-option-card.build-option-selected {
    border-color: var(--primary-color);
    background: rgba(45, 80, 22, 0.08);
    box-shadow: 0 0 0 2px rgba(45, 80, 22, 0.25), 0 4px 12px rgba(45, 80, 22, 0.1);
}

.build-option-card .build-option-name {
    display: block;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.build-option-card .build-option-detail {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Drainage step: one group per row, cards side by side inside each group */
.build-drainage-combo-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    width: 100%;
    overflow: visible;
}

.build-drainage-combo {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    width: 100%;
    min-width: min-content;
    grid-column: 1;
    padding: 0;
    padding-left: 2.5rem;
    position: relative;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--card-bg);
    cursor: pointer;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.build-drainage-combo:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 16px rgba(45, 80, 22, 0.12);
}

.build-drainage-combo.build-drainage-combo-selected {
    border-color: var(--primary-color);
    background: rgba(45, 80, 22, 0.06);
    box-shadow: 0 0 0 2px rgba(45, 80, 22, 0.25);
}

.build-drainage-combo-check {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    color: transparent;
    background: var(--card-bg);
    transition: border-color 0.2s, background 0.2s, color 0.2s;
    flex-shrink: 0;
}

.build-drainage-combo.build-drainage-combo-selected .build-drainage-combo-check {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #fff;
}

.build-drainage-combo-cards {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    flex: 1;
    gap: 0.75rem;
    padding: 0.75rem;
    min-height: 0;
}

.build-drainage-combo-cards .build-supply-card-display {
    flex: 1;
    min-width: 160px;
    cursor: default;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.build-drainage-combo:hover .build-supply-card-display {
    border-color: rgba(45, 80, 22, 0.2);
}

.build-drainage-combo-cards .build-supply-card-display .build-supply-card-top {
    padding: 0;
}

.build-drainage-combo-cards .build-supply-card-display .build-supply-card-img-wrap {
    border-radius: 0;
}

.build-drainage-combo-cards .build-supply-card-display .build-supply-card-img-wrap img,
.build-drainage-combo-cards .build-supply-card-display .build-supply-card-img-wrap .build-supply-card-img {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
}

.build-drainage-combo-cards .build-supply-card-display .build-supply-card-body {
    padding: 0.5rem 0.6rem;
}

.build-drainage-combo-cards .build-supply-card-display .build-supply-card-name {
    font-size: 0.85rem;
    line-height: 1.25;
    font-weight: 600;
}

.build-drainage-combo-cards .build-supply-card-display .build-supply-card-size {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.15rem;
}

/* Mobile: drainage step and build layout – avoid clipping, scale down */
@media (max-width: 768px) {
    .build-drainage-combo-list {
        gap: 1rem;
    }
    .build-drainage-combo {
        flex-direction: column;
        align-items: stretch;
        padding-left: 0;
        padding-top: 2.25rem;
        min-width: 0;
        overflow: visible;
    }
    .build-drainage-combo-check {
        top: 0.5rem;
        left: 0.5rem;
    }
    .build-drainage-combo-cards {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.5rem;
        min-width: 0;
    }
    .build-drainage-combo-cards .build-supply-card-display {
        min-width: 0;
        flex: 1 1 100px;
        max-width: 140px;
    }
    .build-drainage-combo-cards .build-supply-card-display .build-supply-card-name {
        font-size: 0.75rem;
    }
    .build-drainage-combo-cards .build-supply-card-display .build-supply-card-size {
        font-size: 0.65rem;
    }
    .build-supply-list {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 0.5rem;
    }
    .build-supply-card-name {
        font-size: 0.8rem;
    }
    .build-supply-card-body {
        padding: 0.35rem 0.4rem 0.4rem 0.4rem;
    }
    .build-panel-actions {
        margin-top: 1.25rem;
        padding-top: 1rem;
    }
    .build-panel-actions .btn {
        min-height: 44px;
    }
}

@media (max-width: 480px) {
    .build-drainage-combo-cards .build-supply-card-display {
        max-width: 100%;
        flex: 1 1 80px;
    }
    .build-supply-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.build-panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}
.build-panel-actions .btn {
    min-height: 44px;
    padding: 0.6rem 1.1rem;
    font-weight: 600;
    border-radius: 10px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.build-panel-actions .btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.build-panel-actions .build-prev {
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
}
.build-panel-actions .build-prev:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(45, 80, 22, 0.06);
}

.build-substrate-options {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.build-substrate-option {
    text-align: left;
}

.build-substrate-option .build-option-name {
    display: block;
}

.build-plants-toolbar {
    margin-bottom: 1rem;
}
.build-plant-limit-hint {
    margin: 0.35rem 0 0 0;
    font-size: 0.85rem;
    color: var(--text-light);
}

.build-search-input {
    width: 100%;
    max-width: 320px;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
}

.build-search-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

#buildPanel6 .build-plant-list {
    margin-bottom: 0.75rem;
}

.build-plant-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
    overflow: visible;
}

.build-plant-pagination {
    margin-bottom: 1rem;
}

.build-plant-pagination-info {
    font-size: 0.9rem;
    color: var(--text-light, #666);
    margin: 0 0 0.5rem 0;
}

.build-pagination-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.build-pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.build-pagination-btn {
    padding: 0.4rem 0.65rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.build-pagination-btn:hover:not(:disabled) {
    border-color: var(--accent-color);
    background: rgba(45, 80, 22, 0.06);
}

.build-pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.build-pagination-page-active {
    border-color: var(--primary-color);
    background: rgba(45, 80, 22, 0.12);
    font-weight: 600;
}

.build-pagination-pages {
    display: flex;
    gap: 0.2rem;
}

.build-plant-card {
    display: flex;
    flex-direction: column;
    padding: 0;
    min-width: 0;
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
    cursor: pointer;
    position: relative;
}
.build-plant-card-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.build-plant-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.build-plant-card-selected {
    border-color: var(--primary-color);
    background: rgba(45, 80, 22, 0.08);
    box-shadow: 0 0 0 2px rgba(45, 80, 22, 0.25);
}
.build-plant-card-selected:hover {
    background: rgba(45, 80, 22, 0.12);
}
.build-plant-card.build-plant-card-disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.build-plant-card-top {
    display: flex;
    align-items: flex-start;
    gap: 0.35rem;
    padding: 0.35rem 0.35rem 0 0.35rem;
}
.build-plant-card-check {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
    color: transparent;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.build-plant-card.build-plant-card-selected .build-plant-card-check {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #fff;
}
.build-plant-card-img-wrap {
    flex: 1;
    min-width: 0;
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-color);
}
.build-plant-card-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
}
.build-plant-card-img-wrap > div.build-plant-card-img {
    min-height: 80px;
    aspect-ratio: 1;
    background: var(--border-color);
}

.build-plant-card-body {
    padding: 0.4rem 0.5rem 0.5rem 0.5rem;
    min-width: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    container-type: inline-size;
}

.build-plant-card-name {
    font-weight: 600;
    font-size: clamp(0.7rem, 4cqi, 0.85rem);
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
    line-height: 1.25;
}
.build-plant-card-name-link {
    display: block;
    color: var(--primary-color);
    text-decoration: none;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font: inherit;
    cursor: pointer;
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
}
.build-plant-card-name-link:hover {
    text-decoration: underline;
}

.build-plant-card-scientific {
    font-size: clamp(0.65rem, 3.5cqi, 0.75rem);
    color: var(--text-light);
    font-style: italic;
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
    line-height: 1.25;
}

/* Supply cards (same layout as plant cards) – used in Enclosure, Drainage, Substrate, Hard scape, Decorations, Accessories, Tools */
.build-supply-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
    overflow: visible;
}

.build-supply-card {
    display: flex;
    flex-direction: column;
    padding: 0;
    min-width: 0;
    overflow: visible;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
    cursor: pointer;
    position: relative;
    text-align: left;
}

.build-supply-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.build-supply-card.build-supply-card-selected {
    border-color: var(--primary-color);
    background: rgba(45, 80, 22, 0.08);
    box-shadow: 0 0 0 2px rgba(45, 80, 22, 0.25);
}

.build-supply-card.build-supply-card-single {
    border-width: 2px;
}

.build-supply-card-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.build-supply-card-top {
    display: flex;
    align-items: flex-start;
    gap: 0.35rem;
    padding: 0.35rem 0.35rem 0 0.35rem;
}

.build-supply-card-check {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
    color: transparent;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.build-supply-card.build-supply-card-selected .build-supply-card-check {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #fff;
}

.build-supply-card-img-wrap {
    flex: 1;
    min-width: 0;
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-color);
}

.build-supply-card-img {
    width: 100%;
    aspect-ratio: 1;
    min-height: 80px;
    background: linear-gradient(135deg, rgba(45, 80, 22, 0.12) 0%, rgba(124, 184, 74, 0.08) 100%);
    display: block;
}

.build-supply-card-body {
    padding: 0.4rem 0.5rem 0.5rem 0.5rem;
    min-width: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.build-supply-card-name {
    font-weight: 600;
    font-size: clamp(0.7rem, 4cqi, 0.85rem);
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
    line-height: 1.25;
    color: var(--text-color);
}

.build-supply-card-size {
    font-size: clamp(0.65rem, 3.5cqi, 0.75rem);
    color: var(--text-light);
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
    line-height: 1.25;
}

/* Floating tooltip for supply card description */
.build-desc-tooltip {
    position: fixed;
    z-index: 10000;
    max-width: 720px;
    /* Let the tooltip grow with content instead of scrolling */
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-color);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    pointer-events: none;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    white-space: pre-wrap;
    word-break: break-word;
}

.build-desc-tooltip.build-desc-tooltip-visible {
    visibility: visible;
    opacity: 1;
}

[data-theme="dark"] .build-desc-tooltip {
    background: var(--card-bg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.build-accessory-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
    overflow: visible;
}

.build-accessory-card {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.build-accessory-card:hover {
    border-color: rgba(45, 80, 22, 0.35);
}
.build-accessory-card:has(input:checked) {
    border-color: var(--primary-color);
    background: rgba(45, 80, 22, 0.06);
}

.build-accessory-card input[type="checkbox"] {
    margin-top: 0.25rem;
}

.build-accessory-card label {
    cursor: pointer;
    flex: 1;
    min-width: 0;
}

.build-summary {
    margin-top: 2rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, rgba(45, 80, 22, 0.08) 0%, rgba(124, 184, 74, 0.06) 100%);
    border: 1px solid rgba(45, 80, 22, 0.2);
    border-radius: 12px;
    font-size: 0.95rem;
    color: var(--text-color);
    font-family: 'Lato', sans-serif;
}
#buildConfirmOrderBtn {
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    font-size: 1.05rem;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(45, 80, 22, 0.25);
    font-family: 'Lato', sans-serif;
}
#buildConfirmOrderBtn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 80, 22, 0.3);
}

[data-theme="dark"] .build-step[aria-current="step"],
[data-theme="dark"] .build-step.build-step-done {
    background: rgba(124, 184, 74, 0.12);
    border-color: var(--primary-color);
}

[data-theme="dark"] .build-option-card.build-option-selected {
    background: rgba(124, 184, 74, 0.12);
    border-color: var(--primary-color);
}

[data-theme="dark"] .build-vivarium-main .build-layout {
    background: var(--card-bg);
    border-color: var(--border-color);
    box-shadow: var(--shadow);
}

[data-theme="dark"] .build-stepper-list::before {
    background: linear-gradient(to bottom, var(--border-color), var(--accent-color) 20%, var(--accent-color) 80%, var(--border-color));
    opacity: 0.4;
}