.groups-panel {
  padding: 1.5rem;
  background: #0f172a;
  border-radius: 0.5rem;
  height: 100%;
  overflow-y: auto;
}

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

.groups-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f9fafb;
  margin: 0;
}

.group-count {
  font-size: 0.875rem;
  color: #94a3b8;
  font-weight: 600;
}

.message {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  animation: slideIn 0.3s;
}

.message.success {
  background: #10b98133;
  color: #10b981;
  border: 1px solid #10b981;
}

.message.error {
  background: #ef444433;
  color: #ef4444;
  border: 1px solid #ef4444;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Create Group Section */
.create-group-section {
  background: #1e293b;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.create-group-section h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #f9fafb;
  margin: 0 0 1rem 0;
}

.create-group-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.create-group-form input {
  padding: 0.75rem;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 0.375rem;
  color: #e5e7eb;
  font-size: 0.875rem;
}

.create-group-form input:focus {
  outline: none;
  border-color: #3b82f6;
}

.create-group-form input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.color-picker {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.color-option {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.375rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.color-option:hover {
  transform: scale(1.1);
}

.color-option.active {
  border-color: #e5e7eb;
  box-shadow: 0 0 0 2px #0f172a, 0 0 0 4px currentColor;
}

.create-group-form button[type="submit"] {
  padding: 0.75rem 1.5rem;
  background: #3b82f6;
  border: none;
  border-radius: 0.375rem;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.create-group-form button[type="submit"]:hover:not(:disabled) {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.create-group-form button[type="submit"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Groups List */
.groups-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.group-card {
  background: #1e293b;
  border-radius: 0.5rem;
  overflow: hidden;
  transition: all 0.2s;
}

.group-card:hover {
  background: #334155;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-left: 4px solid;
}

.group-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
}

.group-color-indicator {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid #0f172a;
}

.group-title h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #f9fafb;
  margin: 0;
}

.member-count {
  font-size: 0.75rem;
  color: #94a3b8;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  background: #0f172a;
  border-radius: 0.25rem;
}

.delete-group-btn {
  padding: 0.5rem;
  background: transparent;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0.6;
  transition: all 0.2s;
}

.delete-group-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* Group Members */
.group-members {
  padding: 0 1.5rem 1rem 1.5rem;
}

.group-members h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #94a3b8;
  margin: 0 0 0.75rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.members-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.member-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: #0f172a;
  border-radius: 0.375rem;
  transition: all 0.2s;
}

.member-item:hover {
  background: #1e293b;
}

.member-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.member-icon {
  font-size: 1.25rem;
}

.member-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e5e7eb;
}

.member-status {
  font-size: 1rem;
  margin-left: 0.25rem;
}

.remove-member-btn {
  padding: 0.25rem 0.5rem;
  background: transparent;
  border: none;
  color: #ef4444;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0.6;
  transition: all 0.2s;
}

.remove-member-btn:hover {
  opacity: 1;
  transform: scale(1.2);
}

.no-members {
  text-align: center;
  padding: 2rem 1rem;
  color: #94a3b8;
  font-size: 0.875rem;
  font-style: italic;
}

.add-member-section {
  margin-top: 0.75rem;
}

.add-member-section select {
  width: 100%;
  padding: 0.75rem;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 0.375rem;
  color: #e5e7eb;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.add-member-section select:hover {
  border-color: #3b82f6;
}

.add-member-section select:focus {
  outline: none;
  border-color: #3b82f6;
}

/* Group Commands */
.group-commands {
  padding: 1rem 1.5rem 1.5rem 1.5rem;
  border-top: 1px solid #334155;
}

.group-commands h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #94a3b8;
  margin: 0 0 0.75rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.command-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
}

.command-buttons button {
  padding: 0.75rem 1rem;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 0.375rem;
  color: #e5e7eb;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.command-buttons button:hover {
  background: #1e293b;
  border-color: #3b82f6;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #e5e7eb;
  margin-bottom: 0.5rem;
}

.empty-text {
  font-size: 0.875rem;
  color: #94a3b8;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .groups-panel {
    padding: 1rem;
  }

  .group-header {
    padding: 1rem;
  }

  .group-members,
  .group-commands {
    padding-left: 1rem;
    padding-right: 1rem;
  }

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

@media (max-width: 480px) {
  .groups-header h2 {
    font-size: 1.25rem;
  }

  .color-picker {
    justify-content: center;
  }

  .command-buttons {
    grid-template-columns: 1fr;
  }
}