/**
 * Collaboration Styles
 * Phase 2B Week 2: Collaboration Features Styling
 * Responsive and modern UI for collaboration components
 */

/* ================================
   Base Collaboration Styles
   ================================ */

.collaboration-dashboard {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
}

.collaboration-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.collaboration-header h2 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.collaboration-header h2 i {
  color: var(--primary-color);
}

.collaboration-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--error-color);
  animation: pulse 2s infinite;
}

.status-indicator.connected {
  background: var(--success-color);
}

.status-text {
  font-weight: 500;
}

/* ================================
   Setup Form Styles
   ================================ */

.collaboration-setup {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.setup-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
}

.setup-card h3 {
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.setup-card p {
  margin: 0 0 2rem 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.collaboration-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-group input {
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-color-alpha);
}

.form-actions {
  margin-top: 1rem;
}

.setup-features {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
}

.setup-features h4 {
  margin: 0 0 1.5rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-primary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.feature-item i {
  color: var(--primary-color);
  font-size: 1.25rem;
  width: 20px;
  text-align: center;
}

.feature-item span {
  font-weight: 500;
  color: var(--text-primary);
}

/* ================================
   Dashboard Content Styles
   ================================ */

.collaboration-content {
  display: grid;
  grid-template-columns: 250px 1fr 300px;
  flex: 1;
  gap: 0;
  min-height: 0;
}

.collaboration-nav {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  margin: 0 1rem;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

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

.nav-btn i {
  font-size: 1rem;
  width: 16px;
  text-align: center;
}

.collaboration-main {
  padding: 2rem;
  overflow-y: auto;
  background: var(--bg-primary);
}

.collaboration-sidebar {
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ================================
   Overview Styles
   ================================ */

.overview-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.team-info h3 {
  margin: 0 0 0.5rem 0;
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.team-info p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.overview-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-small);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.recent-activity,
.quick-start {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.recent-activity h4,
.quick-start h4 {
  margin: 0 0 1.5rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ================================
   Groups Styles
   ================================ */

.groups-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.groups-header h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.group-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-small);
  transition: all 0.2s ease;
}

.group-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

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

.group-header h4 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.admin-badge {
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.group-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.group-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.group-stats .stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.group-stats .stat i {
  color: var(--primary-color);
  width: 16px;
  text-align: center;
}

.group-actions {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.group-activity {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.group-activity small {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* ================================
   Members Styles
   ================================ */

.members-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.members-header h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.members-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 1.5rem;
}

.member-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-small);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.member-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.member-info {
  flex: 1;
}

.member-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.you-badge {
  background: var(--accent-color);
  color: white;
  padding: 0.125rem 0.5rem;
  border-radius: 8px;
  font-size: 0.7rem;
  font-weight: 500;
}

.member-email {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.member-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.member-role {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.role-admin {
  background: var(--primary-color);
  color: white;
}

.role-editor {
  background: var(--accent-color);
  color: white;
}

.role-viewer {
  background: var(--text-secondary);
  color: white;
}

.member-status {
  font-size: 0.8rem;
  font-weight: 500;
}

.member-status.online {
  color: var(--success-color);
}

.member-status.offline {
  color: var(--text-secondary);
}

.member-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ================================
   Invitations Styles
   ================================ */

.invitations-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.invitations-header h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.invitations-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.invitation-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-small);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.invitation-info {
  flex: 1;
}

.invitation-email {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.invitation-details {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.invitation-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.invitation-status {
  display: flex;
  align-items: center;
}

.status-badge {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-pending {
  background: var(--warning-color-alpha);
  color: var(--warning-color);
}

.status-accepted {
  background: var(--success-color-alpha);
  color: var(--success-color);
}

.status-declined {
  background: var(--error-color-alpha);
  color: var(--error-color);
}

.invitation-actions {
  display: flex;
  gap: 0.5rem;
}

/* ================================
   Sidebar Styles
   ================================ */

.online-users h4,
.quick-actions h4 {
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.online-users h4 i {
  color: var(--success-color);
  font-size: 0.8rem;
}

.users-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.user-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-primary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.actions-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.action-btn i {
  color: var(--primary-color);
  width: 16px;
  text-align: center;
}

/* ================================
   Activity Feed Styles
   ================================ */

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-primary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.activity-item i {
  color: var(--primary-color);
  font-size: 1rem;
  width: 20px;
  text-align: center;
  margin-top: 0.125rem;
}

.activity-content {
  flex: 1;
}

.activity-text {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.4;
}

.activity-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.no-activity {
  text-align: center;
  color: var(--text-secondary);
  font-style: italic;
  padding: 2rem;
}

/* ================================
   Empty States
   ================================ */

.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 4rem;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
}

.empty-state h4 {
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-state p {
  margin: 0 0 2rem 0;
  font-size: 1rem;
  line-height: 1.5;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ================================
   Modal Styles
   ================================ */

.collaboration-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-secondary);
  border-radius: 16px;
  box-shadow: var(--shadow-large);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: all 0.2s ease;
}

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

.modal-body {
  padding: 2rem;
  overflow-y: auto;
}

.modal-body .form-group {
  margin-bottom: 1.5rem;
}

.modal-body .form-group:last-child {
  margin-bottom: 0;
}

.modal-body select,
.modal-body textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.2s ease;
  font-family: inherit;
}

.modal-body textarea {
  resize: vertical;
  min-height: 80px;
}

.modal-body select:focus,
.modal-body textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-color-alpha);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* ================================
   Notification Styles
   ================================ */

.notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1100;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-large);
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 300px;
  max-width: 500px;
  animation: slideInRight 0.3s ease;
}

.notification-success {
  border-left: 4px solid var(--success-color);
}

.notification-error {
  border-left: 4px solid var(--error-color);
}

.notification-info {
  border-left: 4px solid var(--primary-color);
}

.notification-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
}

.notification-content i {
  font-size: 1.25rem;
}

.notification-success .notification-content i {
  color: var(--success-color);
}

.notification-error .notification-content i {
  color: var(--error-color);
}

.notification-info .notification-content i {
  color: var(--primary-color);
}

.notification-content span {
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.4;
}

.notification-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: all 0.2s ease;
}

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

/* ================================
   Animations
   ================================ */

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

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ================================
   Responsive Design
   ================================ */

@media (max-width: 1200px) {
  .collaboration-content {
    grid-template-columns: 200px 1fr 250px;
  }
  
  .collaboration-sidebar {
    padding: 1rem;
  }
}

@media (max-width: 1024px) {
  .collaboration-content {
    grid-template-columns: 180px 1fr;
  }
  
  .collaboration-sidebar {
    display: none;
  }
  
  .groups-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
  
  .members-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .collaboration-setup {
    grid-template-columns: 1fr;
    padding: 2rem 1rem;
  }
  
  .collaboration-content {
    grid-template-columns: 1fr;
  }
  
  .collaboration-nav {
    flex-direction: row;
    overflow-x: auto;
    padding: 1rem;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-btn {
    white-space: nowrap;
    margin: 0 0.5rem 0 0;
  }
  
  .collaboration-main {
    padding: 1.5rem 1rem;
  }
  
  .collaboration-header {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .overview-stats {
    grid-template-columns: 1fr;
  }
  
  .groups-grid {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .group-actions {
    flex-wrap: wrap;
  }
  
  .member-card {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .member-actions {
    flex-direction: row;
    justify-content: center;
  }
  
  .modal-content {
    margin: 1rem;
    max-width: none;
  }
  
  .modal-body {
    padding: 1.5rem;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .notification {
    top: 1rem;
    right: 1rem;
    left: 1rem;
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .collaboration-header h2 {
    font-size: 1.5rem;
  }
  
  .stat-value {
    font-size: 2rem;
  }
  
  .setup-card,
  .setup-features {
    padding: 1.5rem;
  }
  
  .group-card,
  .member-card,
  .invitation-card {
    padding: 1rem;
  }
  
  .modal-header,
  .modal-body {
    padding: 1rem;
  }
}

/* ================================
   Print Styles
   ================================ */

@media print {
  .collaboration-nav,
  .collaboration-sidebar,
  .modal,
  .notification {
    display: none !important;
  }
  
  .collaboration-content {
    grid-template-columns: 1fr;
  }
  
  .collaboration-main {
    padding: 0;
  }
}