:root {
    --app-bg: #f4f7f8;
    --app-ink: #1c2733;
    --app-muted: #61707f;
    --app-accent: #1f6f78;
    --app-accent-soft: #e8f3f3;
}

body.app-shell {
    background:
        radial-gradient(circle at top right, rgb(31 111 120 / 0.08), transparent 28%),
        linear-gradient(180deg, #f8fbfc 0%, var(--app-bg) 100%);
    color: var(--app-ink);
}

.min-w-0 {
    min-width: 0;
}

.page-header {
    border-color: rgb(0 0 0 / 0.08) !important;
}

.eyebrow {
    margin: 0 0 0.35rem;
    color: var(--app-accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.view-tabs .nav-link {
    color: var(--app-muted);
    border-radius: 0.7rem;
    font-weight: 600;
}

.view-tabs .nav-link.active {
    background: #fff;
    color: var(--app-accent);
    box-shadow: 0 0.25rem 0.75rem rgb(0 0 0 / 0.08);
}

.card {
    border-radius: 1rem;
}

.help-text {
    margin: 0.35rem 0 0;
    color: var(--app-muted);
    font-size: 0.84rem;
    line-height: 1.45;
}

.panel-block,
.model-list,
.builder-list,
.designer-view form,
.dynamic-fields,
.designer-section,
.paper-card .card-body {
    min-width: 0;
}

.panel-block,
.model-list,
.builder-list,
.designer-view form,
.dynamic-fields,
.designer-section {
    display: grid;
    gap: 1rem;
}

.model-option {
    background: rgb(255 255 255 / 0.82);
}

.model-option-select {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.75rem;
    align-items: start;
}

.model-option-select .form-check-input {
    margin-top: 0.25rem;
}

.model-option strong {
    display: block;
    overflow-wrap: anywhere;
}

.model-option span {
    display: block;
    color: var(--app-muted);
    font-size: 0.88rem;
    overflow-wrap: anywhere;
}

.designer-load-picker {
    min-width: min(320px, 100%);
    max-width: 100%;
}

.save-button-icon {
    display: inline-flex;
    width: 1rem;
    height: 1rem;
    margin-right: 0.4rem;
    vertical-align: text-bottom;
}

.save-button-icon svg {
    width: 100%;
    height: 100%;
}

.title-with-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.title-icon {
    display: inline-flex;
    width: 1.1rem;
    height: 1.1rem;
    color: var(--app-accent);
    flex: 0 0 auto;
}

.title-icon svg {
    width: 100%;
    height: 100%;
}

.status-line {
    color: var(--app-muted);
}

.field-grid,
.compact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.metadata-grid {
    display: grid;
    gap: 0.75rem;
}

.metadata-optional-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
}

.builder-card,
.classification-field {
    overflow: hidden;
}

.builder-subsection {
    border-radius: 0.85rem !important;
}

.metadata-card .card-body > .help-text {
    max-width: 48rem;
}

.optional-section-toggle {
    cursor: pointer;
    font-weight: 600;
    color: var(--app-ink);
    list-style: none;
}

.optional-section-toggle::-webkit-details-marker {
    display: none;
}

.optional-section-toggle::after {
    content: " ▾";
    color: var(--app-muted);
}

details[open] > .optional-section-toggle::after {
    content: " ▴";
}

.nested-card {
    border-left: 4px solid var(--app-accent) !important;
}

.taxon-card {
    background: #f8fbf9;
}

.criterion-card {
    background: #fffdf7;
}

.inline-row {
    display: grid;
    grid-template-columns: minmax(90px, 0.7fr) minmax(140px, 1fr) minmax(180px, 1.2fr) auto;
    gap: 0.75rem;
    align-items: center;
}

.checkbox-inline {
    display: flex !important;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    min-height: 100%;
}

.checkbox-inline .form-check-input {
    margin-top: 0;
}

.empty-state {
    padding: 1rem 1.1rem;
    border: 1px dashed rgb(0 0 0 / 0.14);
    border-radius: 0.9rem;
    color: var(--app-muted);
    background: rgb(255 255 255 / 0.55);
}

.action-menu {
    position: relative;
}

.action-menu summary {
    list-style: none;
}

.action-menu summary::-webkit-details-marker {
    display: none;
}

.action-menu summary::after {
    content: " ▾";
}

.action-menu[open] summary::after {
    content: " ▴";
}

.action-menu-list {
    position: absolute;
    right: 0;
    top: calc(100% + 0.45rem);
    z-index: 20;
    min-width: 280px;
    display: grid;
    gap: 0.45rem;
    padding: 0.55rem;
    border: 1px solid rgb(0 0 0 / 0.08);
    border-radius: 0.9rem;
    background: #fff;
    box-shadow: 0 1rem 2rem rgb(0 0 0 / 0.12);
}

.action-menu-list button {
    width: 100%;
    text-align: left;
}

#composed-model-id {
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.classification-field .card-body > p,
.classification-field .card-body strong {
    margin-bottom: 0;
}

.checkbox-list {
    display: grid;
    gap: 0.6rem;
}

.checkbox-list .form-check {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.65rem;
    align-items: start;
    margin-bottom: 0;
}

.checkbox-list .form-check-input {
    margin-top: 0.25rem;
}

.output {
    overflow: auto;
    padding: 1rem;
    border-radius: 0.9rem;
    background: #111820;
    color: #dce7ef;
}

.hidden {
    display: none !important;
}

@media (max-width: 991.98px) {
    .action-menu,
    .action-menu-list {
        width: 100%;
    }

    .action-menu-list {
        position: static;
        min-width: 0;
        margin-top: 0.5rem;
        box-shadow: none;
    }
}

@media (max-width: 767.98px) {
    .field-grid,
    .compact-grid,
    .inline-row {
        grid-template-columns: 1fr;
    }
}