/* Use cases — Examples tab (workflow flowcharts) */

.uc-examples-toolbar {
    border-bottom: 1px solid var(--bs-border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1.25rem;
}

.uc-wf-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 2rem;
    border: 1px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.uc-wf-filter-chip:hover {
    background: var(--bs-tertiary-bg);
}

.uc-wf-filter-chip.active {
    box-shadow: 0 0 0 2px rgba(var(--bs-primary-rgb), 0.35);
    border-color: var(--bs-primary);
}

.uc-wf-filter-chip .uc-wf-count {
    font-size: 0.7rem;
    opacity: 0.85;
    padding: 0.1rem 0.4rem;
    border-radius: 1rem;
    background: var(--bs-tertiary-bg);
}

.uc-example-card {
    border: 1px solid var(--bs-border-color);
    border-radius: 0.75rem;
    background: var(--bs-body-bg);
    overflow: hidden;
    margin-bottom: 1.5rem;
    scroll-margin-top: 5rem;
}

.uc-example-card__header {
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--bs-border-color);
    background: linear-gradient(
        135deg,
        rgba(var(--bs-primary-rgb), 0.06) 0%,
        transparent 55%
    );
}

.uc-example-card__body {
    padding: 1.15rem 1.15rem 1.25rem;
}

.uc-example-num {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--bs-secondary-color);
}

.uc-wf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 0.28rem 0.65rem;
    border-radius: 2rem;
    color: #fff;
    white-space: nowrap;
}

.uc-wf-badge .material-symbols-outlined {
    font-size: 1rem;
}

/* Workflow type colours — align with portal tokens */
.wf-summary-visual { background: var(--bs-primary); }
.wf-summary-patho { background: #6f42c1; }
.wf-summary-ortho { background: #198754; }
.wf-summary-custom { background: #0dcaf0; color: #052c3a !important; }
.wf-summary-clinical { background: var(--discanvis-clinvar-source, #c45a11); }
.wf-search-summary { background: #0d6efd; }
.wf-vi-snv { background: var(--discanvis-clinvar-source, #c45a11); }
.wf-vi-fs { background: #d63384; }
.wf-vi-llps { background: #20c997; color: #052e1f !important; }
.wf-batch { background: #fd7e14; }
.wf-statistics { background: #6610f2; }
.wf-ppi { background: #0d6efd; }
.wf-roi { background: #6f42c1; }
.wf-mutation-browse { background: #d63384; }
.wf-disease-browse { background: var(--discanvis-clinvar-source, #c45a11); }

.uc-scenario-card--research .uc-example-card__header {
    background: linear-gradient(
        135deg,
        rgba(var(--bs-primary-rgb), 0.1) 0%,
        transparent 55%
    );
}

.uc-scenario-card--clinical .uc-example-card__header {
    background: linear-gradient(
        135deg,
        rgba(196, 90, 17, 0.12) 0%,
        transparent 55%
    );
}

.uc-scenario-topic {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--bs-secondary-color);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    background: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color);
}
.wf-browse { background: #6c757d; }
.wf-downloads { background: #495057; }
.wf-default { background: var(--bs-secondary); }

.uc-qa-block {
    border-radius: 0.55rem;
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
}

.uc-qa-block--question {
    background: rgba(var(--bs-primary-rgb), 0.08);
    border-left: 4px solid var(--bs-primary);
}

.uc-qa-block--answer {
    background: rgba(25, 135, 84, 0.08);
    border-left: 4px solid var(--bs-success);
}

.uc-qa-block--rationale {
    background: rgba(108, 117, 125, 0.08);
    border-left: 4px solid var(--bs-secondary);
}

.uc-qa-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bs-secondary-color);
    margin-bottom: 0.35rem;
}

.uc-example-screenshot {
    border-radius: 0.55rem;
    border: 1px solid var(--bs-border-color);
    max-width: 100%;
    height: auto;
    margin-bottom: 1rem;
}

.uc-example-screenshot-placeholder {
    border: 1px dashed var(--bs-border-color);
    border-radius: 0.55rem;
    padding: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--bs-secondary-color);
    background: var(--bs-tertiary-bg);
    margin-bottom: 1rem;
}

/* Vertical workflow flowchart */
.uc-flow {
    position: relative;
    padding-left: 0.25rem;
}

.uc-flow__title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bs-secondary-color);
    margin-bottom: 0.75rem;
}

.uc-flow-step {
    position: relative;
    display: flex;
    gap: 0.75rem;
    padding-bottom: 1rem;
}

.uc-flow-step:last-child {
    padding-bottom: 0;
}

.uc-flow-step::before {
    content: "";
    position: absolute;
    left: 1.05rem;
    top: 2.1rem;
    bottom: 0;
    width: 2px;
    background: var(--bs-border-color);
}

.uc-flow-step:last-child::before {
    display: none;
}

.uc-flow-step__icon {
    flex-shrink: 0;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    border: 2px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    z-index: 1;
}

.uc-flow-step--nav .uc-flow-step__icon {
    border-color: var(--bs-primary);
    color: var(--bs-primary);
    background: rgba(var(--bs-primary-rgb), 0.1);
}

.uc-flow-step--input .uc-flow-step__icon {
    border-color: #fd7e14;
    color: #fd7e14;
    background: rgba(253, 126, 20, 0.1);
}

.uc-flow-step--toggle .uc-flow-step__icon,
.uc-flow-step--view_mode .uc-flow-step__icon {
    border-color: #6f42c1;
    color: #6f42c1;
    background: rgba(111, 66, 193, 0.1);
}

.uc-flow-step--submit .uc-flow-step__icon {
    border-color: var(--bs-success);
    color: var(--bs-success);
    background: rgba(25, 135, 84, 0.1);
}

.uc-flow-step--verify .uc-flow-step__icon {
    border-color: #198754;
    color: #fff;
    background: #198754;
}

.uc-flow-step__body {
    flex: 1;
    min-width: 0;
    padding-top: 0.1rem;
}

.uc-flow-step__type {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bs-secondary-color);
}

.uc-flow-step__label {
    font-weight: 600;
    font-size: 0.92rem;
    line-height: 1.35;
}

.uc-flow-step__detail {
    font-size: 0.82rem;
    color: var(--bs-secondary-color);
    margin-top: 0.2rem;
    line-height: 1.45;
}

.uc-form-fields {
    font-size: 0.85rem;
}

.uc-form-fields th {
    width: 38%;
    font-weight: 600;
}

.uc-example-card.is-hidden {
    display: none !important;
}

/* —— Biological questions index (table-like) —— */

.uc-examples-index-section {
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--bs-border-color);
}

.uc-examples-question-search {
    position: relative;
    min-width: min(100%, 14rem);
}

.uc-examples-question-search__icon {
    position: absolute;
    left: 0.55rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    color: var(--bs-secondary-color);
    pointer-events: none;
    z-index: 1;
}

.uc-examples-question-search .form-control {
    padding-left: 2.15rem;
    border-radius: 2rem;
}

.uc-examples-index-wrap {
    border: 1px solid var(--bs-border-color);
    border-radius: 0.65rem;
    overflow: hidden;
    background: var(--bs-body-bg);
}

.uc-examples-index-header {
    display: grid;
    grid-template-columns: 2.25rem minmax(5.5rem, auto) minmax(3.5rem, auto) 1fr;
    gap: 0.35rem 0.65rem;
    align-items: center;
    padding: 0.45rem 0.85rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bs-secondary-color);
    background: var(--bs-tertiary-bg);
    border-bottom: 1px solid var(--bs-border-color);
}

.uc-examples-index {
    border: none;
    border-radius: 0;
    max-height: 20rem;
    overflow-y: auto;
    overflow-x: hidden;
}

.uc-examples-index--empty::after {
    content: "No questions match the current filters.";
    display: block;
    padding: 1.25rem 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--bs-secondary-color);
}

.uc-index-item {
    display: grid;
    grid-template-columns: 2.25rem minmax(5.5rem, auto) minmax(3.5rem, auto) 1fr;
    gap: 0.35rem 0.65rem;
    align-items: center;
    padding: 0.5rem 0.85rem;
    border-bottom: 1px solid var(--bs-border-color-translucent, var(--bs-border-color));
    transition: background 0.12s ease;
}

.uc-index-item:last-child {
    border-bottom: none;
}

.uc-index-item:hover {
    background: var(--bs-tertiary-bg);
}

.uc-index-item--active {
    background: rgba(var(--bs-primary-rgb), 0.1);
    box-shadow: inset 3px 0 0 var(--bs-primary);
}

.uc-index-item.is-hidden {
    display: none !important;
}

.uc-index-num {
    font-size: 0.72rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--bs-secondary-color);
    text-align: right;
}

.uc-index-gene {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--bs-primary);
    white-space: nowrap;
}

.uc-index-badge {
    font-size: 0.62rem !important;
    padding: 0.18rem 0.45rem !important;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uc-index-question {
    display: block;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--bs-body-color);
    cursor: pointer;
    text-decoration: none;
    appearance: none;
    -webkit-appearance: none;
}

.uc-index-question:hover,
.uc-index-question:focus-visible {
    color: var(--bs-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    outline: none;
}

.uc-index-question strong {
    font-weight: 700;
}

.uc-example-card--highlight {
    animation: uc-example-flash 1.6s ease;
}

@keyframes uc-example-flash {
    0%,
    15% {
        box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.45);
    }
    100% {
        box-shadow: none;
    }
}

.wf-vi {
    background: var(--discanvis-clinvar-source, #c45a11);
}

/* Workflow nav links — text links, not buttons */
.uc-flow-step__label a.uc-flow-link {
    font-weight: 600;
    font-size: inherit;
    color: var(--bs-link-color);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.uc-flow-step__label a.uc-flow-link:hover {
    color: var(--bs-link-hover-color);
}

.uc-flow-link__arrow {
    text-decoration: none;
}