/* Simple helpers avoiding extra JS logic */

.view-section {
    position: absolute;
    inset: 0;
    transition: opacity 0.2s, visibility 0.2s;
}

.view-section.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: flex !important; /* Tailwind overridden */
}

.nav-btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #9ca3af;
    transition: all 0.2s;
}

.nav-btn:hover {
    color: #e5e7eb;
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-btn.active-nav {
    color: #fff;
    background-color: #3b82f6;
}

/* Sortable JS styles */
.sortable-ghost {
    opacity: 0.4;
    background-color: rgba(59, 130, 246, 0.2);
}

.sortable-drag {
    cursor: grabbing !important;
}

/* Ensure empty helper is hidden when there are children (except helper itself) */
#sequence-canvas .seq-block ~ .empty-helper {
    display: none;
}

.seq-block {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 0.5rem;
    cursor: grab;
    transition: transform 0.1s, border-color 0.1s;
}
.seq-block:active {
    cursor: grabbing;
}
.seq-block.selected {
    border-color: #3b82f6;
    box-shadow: 0 0 0 1px #3b82f6;
}
.seq-block-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}
.bg-type-relay { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.bg-type-input { background: rgba(168, 85, 247, 0.2); color: #c084fc; }
.bg-type-delay { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }