.expandable-card {
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: var(--card);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
    padding: 0.85rem 1rem;
    cursor: pointer;
    transition: border-color 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.expandable-card:hover {
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
}

.expandable-card-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.expandable-card-text { display: flex; flex-direction: column; gap: 0.1rem; }
.expandable-card-title { font-weight: 600; }
.expandable-card-subtitle { color: var(--muted); font-size: 0.95rem; }

.expandable-card-actions { display: flex; align-items: center; gap: 0.35rem; }
.expandable-card-actions .icon-button { width: 36px; height: 36px; }

.expandable-card-chevron img {
    width: 18px;
    height: 18px;
    display: block;
    transition: transform 150ms ease;
}

.expandable-card.is-open .expandable-card-chevron img { transform: rotate(180deg); }

.expandable-card-body { display: grid; gap: 0.5rem; font-size: 0.95rem; }

.expandable-chip,
.meta-chip,
.status-pill {
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--card-border);
    font-size: 0.9rem;
    line-height: 1.2;
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
}

.expandable-popover {
    position: fixed;
    z-index: 950;
    max-width: calc(100vw - 16px);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: var(--card);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
    padding: 0.75rem 0.8rem;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 120ms ease, transform 150ms ease;
    pointer-events: none;
}

.expandable-popover.show { opacity: 1; transform: translateY(0); }
.expandable-popover.above { transform: translateY(-4px); }
.expandable-popover.show.above { transform: translateY(0); }

@media (max-width: 430px) {
    .expandable-card {
        padding: 0.75rem 12px;
    }

    .expandable-chip,
    .meta-chip,
    .status-pill {
        padding-left: 0.55rem;
        padding-right: 0.55rem;
    }

    .expandable-card-main {
        align-items: flex-start;
    }

    .expandable-card-actions {
        flex-direction: column;
        align-items: flex-end;
        gap: 0.25rem;
    }

    .expandable-card-actions .icon-button {
        width: 32px;
        height: 32px;
    }
}