/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-tertiary: #18181b;
  --bg-card: #1a1a1d;
  --border-color: #27272a;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-orange: #f97316;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --accent-purple: #a855f7;
  --accent-red: #ef4444;
  --accent-yellow: #eab308;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow: hidden;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  height: 64px;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.logo-icon {
  font-size: 24px;
  color: var(--accent-orange);
}

.logo-text {
  font-size: 14px;
  letter-spacing: 0.5px;
}

.logo-divider {
  color: var(--text-muted);
}

.logo-company {
  color: var(--accent-orange);
  font-size: 14px;
}

.header-center {
  display: flex;
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}

.stat-label {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 4px;
}

.datetime {
  font-size: 13px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.status-indicator.online {
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent-green);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

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

/* Main Layout */
.main {
  display: flex;
  height: calc(100vh - 64px);
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 20px;
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: 28px;
}

.sidebar-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.dot.green { background: var(--accent-green); }
.dot.blue { background: var(--accent-blue); }
.dot.orange { background: var(--accent-orange); }
.dot.pulse { animation: pulse 2s infinite; background: var(--accent-green); }

.count {
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  margin-left: auto;
}

/* Agents */
.agents-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.agent-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.agent-card:hover {
  border-color: var(--border-color);
  transform: translateX(4px);
}

.agent-card.active {
  border-color: var(--accent-orange);
  background: rgba(249, 115, 22, 0.1);
}

.agent-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.agent-info {
  flex: 1;
}

.agent-name {
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.agent-badge {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.agent-badge.lead {
  background: rgba(249, 115, 22, 0.2);
  color: var(--accent-orange);
}

.agent-role {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.agent-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.agent-status.working { background: var(--accent-green); }
.agent-status.standby { background: var(--text-muted); }

/* Quick Actions */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--accent-orange);
}

.action-btn span {
  font-size: 16px;
}

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.metric {
  background: var(--bg-tertiary);
  padding: 14px;
  border-radius: 10px;
  text-align: center;
}

.metric-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-orange);
}

.metric-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Board */
.board {
  flex: 1;
  padding: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.board-header h2 {
  font-size: 14px;
  font-weight: 600;
}

.board-filters {
  display: flex;
  gap: 8px;
}

.filter-btn {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--text-muted);
}

.filter-btn.active {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #000;
}

/* Columns */
.columns {
  display: flex;
  gap: 16px;
  flex: 1;
  overflow-x: auto;
  padding-bottom: 10px;
}

.column {
  min-width: 300px;
  max-width: 300px;
  background: var(--bg-secondary);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  max-height: 100%;
}

.column-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
}

.column-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.column-dot.inbox { background: var(--text-muted); }
.column-dot.assigned { background: var(--accent-orange); }
.column-dot.progress { background: var(--accent-blue); }
.column-dot.review { background: var(--accent-purple); }
.column-dot.done { background: var(--accent-green); }

.column-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.column-count {
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
}

.column-tasks {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
}

/* Tasks */
.task-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.task-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.task-card.dragging {
  opacity: 0.5;
}

.task-header {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
}

.task-priority {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.task-priority.high { background: var(--accent-red); }
.task-priority.medium { background: var(--accent-yellow); }
.task-priority.low { background: var(--accent-green); }

.task-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}

.task-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.task-assignee {
  font-size: 16px;
}

.task-tag {
  background: var(--bg-tertiary);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  color: var(--text-muted);
}

.task-date {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: auto;
}

/* Feed */
.feed {
  width: 320px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  padding: 20px;
  overflow-y: auto;
}

.feed-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.feed-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.feed-filter {
  padding: 4px 10px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}

.feed-filter:hover {
  color: var(--text-secondary);
}

.feed-filter.active {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.feed-list {
  display: flex;
  flex-direction: column;
}

.feed-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
}

.feed-item:last-child {
  border-bottom: none;
}

.feed-content {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.feed-content strong {
  color: var(--text-primary);
}

.feed-time {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-tertiary);
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Forms */
#new-task-form, .task-detail-content {
  padding: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.btn-primary, .btn-secondary {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent-orange);
  border: none;
  color: #000;
}

.btn-primary:hover {
  background: #ea580c;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 32px;
  margin-bottom: 10px;
  opacity: 0.5;
}

.empty-state-text {
  font-size: 13px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Responsive */
@media (max-width: 1200px) {
  .feed {
    display: none;
  }
}

@media (max-width: 900px) {
  .sidebar {
    width: 200px;
  }
  
  .header-center {
    gap: 24px;
  }
  
  .stat-value {
    font-size: 22px;
  }
}

@media (max-width: 768px) {
  .header {
    flex-wrap: wrap;
    height: auto;
    gap: 12px;
  }
  
  .sidebar {
    display: none;
  }
  
  .main {
    height: calc(100vh - 100px);
  }
}