/* Version Control System Styles */

.version-control-ui {
    --vcs-primary: #3b82f6;
    --vcs-success: #10b981;
    --vcs-warning: #f59e0b;
    --vcs-error: #ef4444;
    --vcs-gray: #6b7280;
}

/* Branch Status Indicators */
.branch-indicator {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.branch-indicator.active {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--vcs-success);
}

.branch-indicator.inactive {
    background-color: rgba(107, 114, 128, 0.1);
    color: var(--vcs-gray);
}

/* Change Status Tags */
.change-status {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.change-status.applied {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--vcs-success);
}

.change-status.pending {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--vcs-warning);
}

.change-status.failed {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--vcs-error);
}

/* Change History */
.change-history {
    border-left: 2px solid #e5e7eb;
    margin-left: 1rem;
    padding-left: 1rem;
}

.change-history-item {
    position: relative;
    padding: 1rem 0;
}

.change-history-item::before {
    content: '';
    position: absolute;
    left: -1.25rem;
    top: 1.5rem;
    height: 0.75rem;
    width: 0.75rem;
    border-radius: 9999px;
    background-color: white;
    border: 2px solid var(--vcs-primary);
}

/* Merge Interface */
.merge-conflict {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    margin: 1rem 0;
    padding: 1rem;
}

.merge-conflict-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.merge-conflict-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.merge-version {
    background-color: #f9fafb;
    padding: 1rem;
    border-radius: 0.375rem;
}

/* Branch Selection */
.branch-selector {
    position: relative;
}

.branch-list {
    max-height: 24rem;
    overflow-y: auto;
}

.branch-item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}

.branch-item:hover {
    background-color: #f9fafb;
}

.branch-item.active {
    background-color: rgba(59, 130, 246, 0.1);
}

/* Version Tags */
.version-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background-color: #f3f4f6;
    color: var(--vcs-gray);
    font-size: 0.875rem;
    margin: 0.25rem;
}

/* Branch Lock Status */
.lock-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    margin-left: 0.5rem;
}

.lock-status.locked {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--vcs-error);
}

.lock-status.unlocked {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--vcs-success);
}

.lock-status .lock-icon {
    width: 1rem;
    height: 1rem;
}

.lock-info {
    display: flex;
    flex-direction: column;
    font-size: 0.75rem;
    color: var(--vcs-gray);
}

.lock-info .user {
    font-weight: 500;
    color: inherit;
}

.lock-info .expiry {
    opacity: 0.8;
}

/* Lock Controls */
.lock-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.lock-button {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.lock-button.lock {
    background-color: var(--vcs-error);
    color: white;
}

.lock-button.unlock {
    background-color: var(--vcs-success);
    color: white;
}

.lock-button:hover {
    opacity: 0.9;
}

.lock-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Lock History */
.lock-history {
    margin-top: 1rem;
    border-top: 1px solid #e5e7eb;
    padding-top: 1rem;
}

.lock-history-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.lock-history-item .action {
    font-weight: 500;
}

.lock-history-item .timestamp {
    color: var(--vcs-gray);
}

.lock-history-item .reason {
    margin-top: 0.25rem;
    color: var(--vcs-gray);
    font-style: italic;
}

/* Loading States */
.vcs-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.vcs-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid #e5e7eb;
    border-top-color: var(--vcs-primary);
    border-radius: 50%;
    animation: vcs-spin 1s linear infinite;
}

@keyframes vcs-spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 640px) {
    .merge-conflict-content {
        grid-template-columns: 1fr;
    }
    
    .branch-selector {
        width: 100%;
    }
}