/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1.5;
}

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

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-primary-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
}

.btn-danger {
    background: var(--accent-danger);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: all var(--transition-fast);
}

.card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

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

.card-title {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-primary);
}

/* Grid */
.grid {
    display: grid;
    gap: 1rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

.data-table th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-tertiary);
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

.data-table td {
    font-size: 0.85rem;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary { background: rgba(99, 102, 241, 0.15); color: var(--accent-primary); }
.badge-success { background: rgba(34, 197, 94, 0.15); color: var(--accent-success); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--accent-warning); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--accent-danger); }
.badge-info { background: rgba(59, 130, 246, 0.15); color: var(--accent-info); }

/* Artifact status badges */
.badge-ready { background: rgba(34, 197, 94, 0.15); color: var(--accent-success); }
.badge-generating { background: rgba(245, 158, 11, 0.15); color: var(--accent-warning); }
.badge-draft { background: rgba(156, 163, 175, 0.15); color: #6b7280; }
.badge-error { background: rgba(239, 68, 68, 0.15); color: var(--accent-danger); }
.badge-archived { background: rgba(156, 163, 175, 0.15); color: #6b7280; }

/* Task state badges */
.badge-completed { background: rgba(34, 197, 94, 0.15); color: var(--accent-success); }
.badge-running { background: rgba(59, 130, 246, 0.15); color: var(--accent-info); }
.badge-pending { background: rgba(156, 163, 175, 0.15); color: #6b7280; }
.badge-queued { background: rgba(245, 158, 11, 0.15); color: var(--accent-warning); }
.badge-failed { background: rgba(239, 68, 68, 0.15); color: var(--accent-danger); }
.badge-cancelled { background: rgba(156, 163, 175, 0.15); color: #6b7280; }

/* Status */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

.status-dot.pending { background: var(--text-muted); }
.status-dot.queued { background: var(--accent-info); }
.status-dot.running { background: var(--accent-warning); animation: pulse 1.5s infinite; }
.status-dot.completed { background: var(--accent-success); }
.status-dot.failed { background: var(--accent-danger); }
.status-dot.cancelled { background: var(--text-muted); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.empty-state svg {
    color: var(--text-muted);
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 400px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.75rem 1.25rem;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    z-index: 50;
    display: none;
}

.dropdown-menu.open {
    display: block;
}

.dropdown-menu-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dropdown-menu-item:hover {
    background: var(--bg-hover);
}

/* Chip */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    background: var(--bg-tertiary);
    border-radius: 9999px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.chip-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
}

.chip-remove:hover {
    color: var(--accent-danger);
}

/* Skeleton */
.skeleton {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* Tag */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--text-secondary);
}