/* ==================== */
/* Reduced Motion       */
/* ==================== */
/* Respects OS-level "reduce motion" preference.
   Uses 0.01ms (not 0s) so animationend/transitionend events still fire. */
/* ============================================================
   Collaboration UI — Plan Panel, Task Pipeline, Checkpoints
   ============================================================ */

/* --- Plan Panel --- */

.collab-plan-panel {
    background: var(--color-bg-card, #fff);
    border: 1px solid var(--color-border-medium);
    border-radius: 12px;
    margin: 12px 0;
    overflow: hidden;
    animation: collabFadeIn 0.3s ease;
}

.collab-plan-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--color-primary-bg);
    border-bottom: 1px solid var(--color-border);
}

.collab-plan-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.collab-plan-icon svg {
    width: 16px;
    height: 16px;
}

.collab-plan-title {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.collab-plan-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text);
}

.collab-plan-agents {
    font-size: 12px;
    color: var(--color-text-faint);
}

.collab-plan-cancel {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-faint);
    transition: background 0.15s, color 0.15s;
}

.collab-plan-cancel:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-text);
}

/* --- Task Pipeline --- */

.collab-task-pipeline {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.collab-task-node {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    background: var(--color-bg-card, #fff);
    border: 1px solid var(--color-border);
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.collab-task-node[data-status="running"] {
    border-color: var(--color-primary-border);
    background: var(--color-primary-bg);
    box-shadow: 0 0 0 2px var(--color-primary-ring);
}

.collab-task-node[data-status="complete"] {
    border-color: rgba(5, 150, 105, 0.2);
    background: var(--color-success-bg);
}

.collab-task-node[data-status="error"] {
    border-color: rgba(239, 68, 68, 0.2);
    background: rgba(254, 242, 242, 1);
}

.collab-task-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
}

.collab-task-avatar svg {
    width: 16px;
    height: 16px;
}

.collab-task-avatar-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.collab-task-info {
    flex: 1;
    min-width: 0;
}

.collab-task-agent {
    font-weight: 600;
    font-size: 13px;
    color: var(--color-text);
}

.collab-task-instruction {
    font-size: 12px;
    color: var(--color-text-faint);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collab-task-status {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-text-faint);
}

.collab-task-node[data-status="running"] .collab-task-status {
    color: var(--color-primary);
    animation: collabSpin 1s linear infinite;
}

.collab-task-node[data-status="complete"] .collab-task-status {
    color: var(--color-success);
}

.collab-task-node[data-status="error"] .collab-task-status {
    color: #ef4444;
}

.collab-task-status svg {
    width: 18px;
    height: 18px;
}

/* --- Connectors --- */

.collab-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24px;
    color: var(--color-text-faint);
}

.collab-connector svg {
    width: 16px;
    height: 16px;
}

.collab-connector-parallel {
    position: relative;
}

.collab-connector-parallel::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-border-medium);
    transform: translateX(-50%);
}

/* --- Progress Bar --- */

.collab-plan-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--color-border);
}

.collab-progress-bar {
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.collab-progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.collab-progress-label {
    font-size: 12px;
    color: var(--color-text-faint);
    text-align: center;
}

/* --- Checkpoint Card --- */

.collab-checkpoint {
    background: var(--color-warning-bg);
    border: 1px solid rgba(217, 119, 6, 0.2);
    border-radius: 10px;
    margin: 12px 0;
    overflow: hidden;
    animation: collabFadeIn 0.3s ease;
}

.collab-checkpoint-resolved {
    opacity: 0.6;
    pointer-events: none;
}

.collab-checkpoint-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(217, 119, 6, 0.15);
    font-weight: 600;
    font-size: 13px;
    color: var(--color-warning);
}

.collab-checkpoint-header svg {
    width: 16px;
    height: 16px;
}

.collab-checkpoint-body {
    padding: 12px 14px;
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.5;
}

.collab-checkpoint-body p {
    margin: 0;
}

.collab-checkpoint-data {
    margin: 8px 0 0;
    padding: 8px 10px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 6px;
    font-size: 11px;
    line-height: 1.4;
    max-height: 160px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.collab-checkpoint-options {
    display: flex;
    gap: 8px;
    padding: 10px 14px 14px;
    flex-wrap: wrap;
}

.collab-checkpoint-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: 1px solid var(--color-border-medium);
    border-radius: 6px;
    background: var(--color-bg-card, #fff);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.15s;
}

.collab-checkpoint-btn:hover {
    background: var(--color-primary-bg);
    border-color: var(--color-primary-border);
    color: var(--color-primary);
}

.collab-checkpoint-btn svg {
    width: 14px;
    height: 14px;
}

.collab-btn-approve {
    background: var(--color-success-bg);
    border-color: rgba(5, 150, 105, 0.2);
    color: var(--color-success);
}

.collab-btn-approve:hover {
    background: rgba(5, 150, 105, 0.15);
    border-color: var(--color-success);
}

.collab-btn-reject {
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.2);
}

.collab-btn-reject:hover {
    background: rgba(254, 242, 242, 1);
    border-color: #ef4444;
}

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

.collab-opt-desc {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--color-text-faint);
    margin-top: 2px;
}

/* --- Handoff Animation --- */

.collab-handoff {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 12px;
    color: var(--color-text-faint);
    animation: collabFadeIn 0.3s ease;
}

.collab-handoff-from,
.collab-handoff-to {
    padding: 4px 10px;
    background: var(--color-primary-bg);
    border-radius: 12px;
    font-weight: 500;
    font-size: 12px;
    color: var(--color-primary);
}

.collab-handoff-arrow {
    display: flex;
    align-items: center;
    color: var(--color-text-faint);
}

.collab-handoff-arrow svg {
    width: 14px;
    height: 14px;
}

/* --- Conflict Card --- */

.collab-conflict-card {
    background: var(--color-bg-card, #fff);
    border: 1px solid rgba(217, 119, 6, 0.3);
    border-radius: 10px;
    margin: 12px 0;
    overflow: hidden;
    animation: collabFadeIn 0.3s ease;
}

.collab-conflict-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 13px;
    color: var(--color-warning);
}

.collab-conflict-header svg {
    width: 16px;
    height: 16px;
}

.collab-conflict-body {
    padding: 12px 14px;
}

.collab-conflict-position {
    padding: 8px 0;
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.collab-conflict-position:last-child {
    border-bottom: none;
}

/* --- Final Response --- */

.collab-final-response {
    border: 1px solid var(--color-primary-border);
    border-radius: 10px;
    padding: 4px;
}

.collab-cost-info {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 11px;
    color: var(--color-text-faint);
}

.collab-cost-info svg {
    width: 12px;
    height: 12px;
}

/* --- Error --- */

.collab-error {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    margin: 8px 0;
    background: rgba(254, 242, 242, 1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    font-size: 13px;
    color: #ef4444;
}

.collab-error svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* --- Sidebar Items --- */

.collab-sidebar-item {
    position: relative;
}

.collab-sidebar-item.collab-active {
    background: var(--color-primary-bg);
    border-color: var(--color-primary-border);
}

.collab-avatar-group {
    background: var(--color-primary-bg) !important;
    color: var(--color-primary) !important;
}

.collab-item-title {
    display: block;
    font-weight: 600;
    font-size: 13px;
}

.collab-item-agents {
    display: block;
    font-size: 11px;
    color: var(--color-text-faint);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collab-item-time {
    display: block;
    font-size: 10px;
    color: var(--color-text-faint);
    opacity: 0.7;
}

.collab-history-item {
    opacity: 0.85;
}

.collab-history-item:hover {
    opacity: 1;
}

/* Budget Indicator */
.collab-budget-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-size: 11px;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border-light);
    margin-top: 4px;
}

.collab-budget-indicator svg {
    width: 12px;
    height: 12px;
    opacity: 0.6;
}

.collab-budget-warning {
    color: var(--color-warning, #e6a700);
}

.collab-budget-warning svg {
    opacity: 1;
}

.collab-budget-danger {
    color: var(--color-error, #e53e3e);
    font-weight: 600;
}

.collab-budget-danger svg {
    opacity: 1;
}

.collab-pattern-badge {
    display: inline-block;
    padding: 1px 6px;
    font-size: 10px;
    font-weight: 600;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-left: 6px;
}

.collab-pattern-sequential { background: var(--color-primary-bg); color: var(--color-primary); }
.collab-pattern-parallel { background: var(--color-success-bg); color: var(--color-success); }
.collab-pattern-debate { background: var(--color-warning-bg); color: var(--color-warning); }

.collab-pulse {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    animation: collabPulse 2s ease-in-out infinite;
}

/* --- Collab Start Banner --- */

.collab-start-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    margin: 8px 0;
    background: var(--color-primary-bg);
    border: 1px solid var(--color-primary-border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--color-primary);
    animation: collabFadeIn 0.3s ease;
}

.collab-start-banner svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* --- Debate Round Indicator --- */

.collab-debate-round {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    margin: 10px 0;
    background: linear-gradient(135deg, var(--color-primary-bg) 0%, rgba(99, 102, 241, 0.05) 100%);
    border: 1px solid var(--color-primary-border);
    border-radius: 8px;
    animation: collabFadeIn 0.3s ease;
}

.collab-debate-round-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.collab-debate-round-badge svg {
    width: 12px;
    height: 12px;
}

.collab-debate-round-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.collab-debate-phase {
    font-weight: 600;
    font-size: 13px;
    color: var(--color-text);
}

.collab-debate-agent {
    font-size: 11px;
    color: var(--color-text-faint);
}

/* --- Critique Cards --- */

.collab-critique-group {
    margin: 10px 0;
    border: 1px solid var(--color-border-medium);
    border-radius: 10px;
    overflow: hidden;
    animation: collabFadeIn 0.3s ease;
}

.collab-critique-group-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 13px;
    color: var(--color-text-faint);
}

.collab-critique-group-header svg {
    width: 14px;
    height: 14px;
}

.collab-critique-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border);
}

.collab-critique-card:last-child {
    border-bottom: none;
}

.collab-critique-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.collab-critique-reviewer {
    font-weight: 600;
    font-size: 13px;
    color: var(--color-text);
}

.collab-critique-verdict {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.collab-critique-verdict svg {
    width: 14px;
    height: 14px;
}

.collab-verdict-approve .collab-critique-verdict {
    color: var(--color-success);
}

.collab-verdict-revise .collab-critique-verdict {
    color: var(--color-warning);
}

.collab-verdict-reject .collab-critique-verdict {
    color: #ef4444;
}

.collab-critique-issues {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.collab-critique-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.collab-badge-blocker {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.collab-badge-other {
    background: rgba(217, 119, 6, 0.1);
    color: var(--color-warning);
}

.collab-badge-clean {
    background: var(--color-success-bg);
    color: var(--color-success);
}

/* --- Parallel Fan-out / Fan-in --- */

.collab-parallel-fanout {
    margin: 10px 0;
    border: 1px solid rgba(5, 150, 105, 0.2);
    border-radius: 10px;
    overflow: hidden;
    animation: collabFadeIn 0.3s ease;
}

.collab-parallel-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--color-success-bg);
    border-bottom: 1px solid rgba(5, 150, 105, 0.1);
    font-weight: 600;
    font-size: 13px;
    color: var(--color-success);
}

.collab-parallel-header svg {
    width: 14px;
    height: 14px;
}

.collab-parallel-agents {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 14px;
}

.collab-parallel-agent {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--color-bg-card, #fff);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
    animation: collabFadeIn 0.3s ease;
}

.collab-parallel-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.collab-parallel-avatar svg {
    width: 12px;
    height: 12px;
}

.collab-parallel-avatar-img {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
}

.collab-parallel-fanin {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 14px;
    margin: 8px 0;
    font-size: 12px;
    color: var(--color-success);
    font-weight: 500;
    animation: collabFadeIn 0.3s ease;
}

.collab-parallel-fanin svg {
    width: 14px;
    height: 14px;
}

/* --- Animations --- */

@keyframes collabFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes collabSpin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes collabPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(1.3); }
}