/* Shared app-panel accordion contract and nested panel flattening. */

.accordion-item.app-panel {
    position: relative;
    overflow: hidden;
    border-radius: 0.9rem;
    background: linear-gradient(180deg, var(--app-surface-2), var(--app-surface));
    box-shadow:
        0 0.45rem 1rem var(--app-shadow-sm-raw),
        inset 0 1px 0 var(--app-white-alpha-05);
    transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease, background 140ms ease;
}

.accordion-item.app-panel:hover,
.accordion-item.app-panel:focus-within {
    z-index: 2;
    border-color: var(--app-border-strong);
    box-shadow:
        0 0.7rem 1.45rem var(--app-shadow-md-raw),
        inset 0 1px 0 var(--app-white-alpha-08);
    transform: translateY(-1px);
}

.accordion-item.app-panel:has(.accordion-button:not(.collapsed)) {
    border-color: var(--app-accent-border-soft);
    box-shadow:
        0 0.85rem 1.9rem var(--app-shadow-md-raw),
        0 0 0 1px var(--app-accent-softer),
        inset 0 1px 0 var(--app-white-alpha-08);
}

.accordion-item.app-panel .accordion-header {
    border-radius: inherit;
}

.accordion-item.app-panel .accordion-button {
    border-radius: calc(0.9rem - 1px);
    background: linear-gradient(180deg, var(--app-surface-2), var(--app-surface));
    color: var(--app-text);
    border-bottom: 1px solid transparent;
    box-shadow: inset 0 1px 0 var(--app-white-alpha-05);
    transition: color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.accordion-item.app-panel .accordion-button:hover,
.accordion-item.app-panel .accordion-button:focus-visible {
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--app-surface-2) 90%, var(--app-accent) 10%),
        color-mix(in srgb, var(--app-surface) 92%, var(--app-accent) 8%)
    );
    color: var(--app-accent-hover);
}

.accordion-item.app-panel:first-of-type,
.accordion-item.app-panel:last-of-type {
    border-radius: 0.9rem;
}

.accordion-item.app-panel:first-of-type > .accordion-header .accordion-button.collapsed,
.accordion-item.app-panel:last-of-type > .accordion-header .accordion-button.collapsed {
    border-radius: calc(0.9rem - 1px) !important;
}

.accordion-item.app-panel .accordion-collapse {
    border-radius: 0 0 calc(0.9rem - 1px) calc(0.9rem - 1px);
}

.accordion-item.app-panel:last-of-type > .accordion-collapse,
.accordion-item.app-panel:last-of-type > .accordion-collapse > .accordion-body {
    border-bottom-left-radius: calc(0.9rem - 1px);
    border-bottom-right-radius: calc(0.9rem - 1px);
}

.accordion-item.app-panel .accordion-button:not(.collapsed) {
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--app-surface-2) 88%, var(--app-accent) 12%),
        var(--app-surface-2)
    );
    color: var(--app-accent-hover);
    border-bottom-color: var(--app-accent-border-soft);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    box-shadow: inset 0 1px 0 var(--app-white-alpha-08);
}

.accordion-item.app-panel .accordion-body {
    background: linear-gradient(180deg, var(--app-surface), var(--app-surface-muted));
    border-top: 1px solid var(--app-border-alpha-70);
    border-radius: 0 0 calc(0.9rem - 1px) calc(0.9rem - 1px);
    box-shadow: inset 0 0.8rem 1.2rem color-mix(in srgb, var(--app-bg) 30%, transparent);
}

.accordion-item.app-panel .accordion-body.p-0 > .app-panel {
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.accordion-item.app-panel .accordion-body.p-0 > .app-panel > .app-panel-header {
    border-top: 0;
}

.app-accordion-section-body {
    padding-top: 1rem;
}