* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; background: #1a1a1a; color: white; }
.auth-container { display: flex; justify-content: center; align-items: center; height: 100vh; }
.auth-card { background: #2d2d2d; padding: 2rem; border-radius: 10px; width: 300px; }
input { width: 100%; padding: 10px; margin: 10px 0; background: #3d3d3d; border: none; color: white; }
button { width: 100%; padding: 10px; background: #7289da; color: white; border: none; cursor: pointer; margin: 5px 0; }

/* ==================== СТИЛИ ДЛЯ ГРУППОВЫХ ЧАТОВ ==================== */
.message.group {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: flex-start;
  max-width: 80%;
}

.message.group.own {
  flex-direction: row-reverse;
  margin-left: auto;
}

.message.group.other {
  margin-right: auto;
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.1rem;
  transition: transform 0.2s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.message-avatar:hover {
  transform: scale(1.1);
}

.message-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-content-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.message.group.own .message-content-wrapper {
  align-items: flex-end;
}

.message-sender-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 4px;
  cursor: pointer;
  display: inline-block;
  max-width: fit-content;
}

.message-sender-name:hover {
  text-decoration: underline;
}

.message.group.own .message-sender-name {
  display: none;
}

.message-content {
  padding: 10px 14px;
  border-radius: 18px;
  background: var(--message-other);
  color: var(--text-primary);
  word-wrap: break-word;
  max-width: 100%;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.message.group.own .message-content {
  background: var(--message-own);
}

.message.private.own .message-content {
  background: var(--message-own);
}

.message.private.other .message-content {
  background: var(--message-other);
}

.message-header {
  margin-bottom: 4px;
}

.message-sender {
  color: var(--accent-color);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
}

.message-sender:hover {
  text-decoration: underline;
}

.message-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.message-status.read {
  color: var(--accent-color);
}

.reply-preview {
  background: rgba(0,0,0,0.05);
  padding: 8px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 0.85rem;
  border-left: 3px solid var(--accent-color);
  cursor: pointer;
}

.reply-preview:hover {
  background: rgba(0,0,0,0.1);
}

.reply-sender {
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 2px;
}

.reply-content {
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-media {
  max-width: 300px;
  border-radius: 8px;
  overflow: hidden;
  margin-top: 8px;
}

.message-media img,
.message-media video {
  width: 100%;
  height: auto;
  cursor: pointer;
  border-radius: 8px;
}

.message-file {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(0,0,0,0.05);
  border-radius: 8px;
  margin-top: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.message-file:hover {
  background: rgba(0,0,0,0.1);
}

.file-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-reactions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.reaction {
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 2px 6px;
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.2s ease;
}

.reaction:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.05);
}

.reaction.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

.reaction-count {
  font-size: 0.7rem;
  font-weight: 600;
}

.mention {
  color: var(--accent-color);
  font-weight: 600;
  cursor: pointer;
  background: rgba(102,126,234,0.1);
  padding: 2px 4px;
  border-radius: 4px;
}

.mention:hover {
  background: rgba(102,126,234,0.2);
  text-decoration: underline;
}

/* Адаптация для мобильных */
@media (max-width: 768px) {
  .message.group {
    max-width: 90%;
  }
  
  .message-avatar {
    width: 32px;
    height: 32px;
  }
}

/* Стили для управления группами */
.group-settings-btn {
    padding: 8px 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    margin-left: 10px;
}

.group-settings-btn:hover {
    background: var(--primary-dark);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

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

.modal-header h3 {
    margin: 0;
    color: #333;
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.close-modal:hover {
    color: #333;
}

.modal-body {
    padding: 20px;
}

.settings-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.tab-btn {
    padding: 8px 16px;
    background: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    transition: all 0.3s;
}

.tab-btn:hover {
    background: #f0f0f0;
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.group-info-edit {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.avatar-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.group-avatar-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.change-avatar-btn {
    padding: 8px 16px;
    background: #f0f0f0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.change-avatar-btn:hover {
    background: #e0e0e0;
}

#group-avatar-input {
    display: none;
}

.group-name-edit,
.group-description-edit {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.group-name-edit label,
.group-description-edit label {
    font-weight: 600;
    color: #555;
}

.group-name-edit input,
.group-description-edit textarea {
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
}

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

.save-group-info {
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
}

.save-group-info:hover {
    background: var(--primary-dark);
}

.members-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.members-list h4 {
    margin: 0;
    color: #333;
}

.add-member {
    position: relative;
    margin-bottom: 15px;
}

#search-users {
    width: 100%;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.search-result-item {
    display: flex;
    align-items: center;
    padding: 10px;
    gap: 10px;
    border-bottom: 1px solid #f0f0f0;
}

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

.result-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}

.add-to-group {
    margin-left: auto;
    padding: 4px 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.members-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 300px;
    overflow-y: auto;
}

.member-item {
    display: flex;
    align-items: center;
    padding: 10px;
    background: #f9f9f9;
    border-radius: 8px;
    gap: 10px;
}

.member-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.member-name {
    flex: 1;
    font-weight: 500;
}

.member-role {
    font-size: 12px;
    color: #666;
    background: #e0e0e0;
    padding: 2px 8px;
    border-radius: 12px;
}

.creator-badge {
    font-size: 11px;
    color: #ff9800;
    background: #fff3e0;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 5px;
}

.member-actions {
    display: flex;
    gap: 5px;
}

.member-actions button {
    padding: 4px 8px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
}

.toggle-admin {
    background: #ffc107;
    color: #333;
}

.remove-member {
    background: #f44336;
    color: white;
}

.group-settings {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.leave-group,
.delete-group {
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
}

.leave-group {
    background: #ff9800;
    color: white;
}

.delete-group.danger {
    background: #f44336;
    color: white;
}

.leave-group:hover,
.delete-group:hover {
    opacity: 0.9;
}

/* Темная тема для модальных окон */
@media (prefers-color-scheme: dark) {
    .modal-content {
        background: #2d2d2d;
        color: #e0e0e0;
    }
    
    .modal-header {
        border-bottom-color: #404040;
    }
    
    .modal-header h3 {
        color: #e0e0e0;
    }
    
    .close-modal {
        color: #999;
    }
    
    .close-modal:hover {
        color: #e0e0e0;
    }
    
    .tab-btn {
        color: #999;
    }
    
    .tab-btn:hover {
        background: #404040;
    }
    
    .group-name-edit label,
    .group-description-edit label {
        color: #bbb;
    }
    
    .group-name-edit input,
    .group-description-edit textarea,
    #search-users {
        background: #404040;
        border-color: #555;
        color: #e0e0e0;
    }
    
    .member-item {
        background: #404040;
    }
    
    .member-name {
        color: #e0e0e0;
    }
    
    .member-role {
        background: #555;
        color: #bbb;
    }
    
    .search-results {
        background: #404040;
        border-color: #555;
    }
    
    .search-result-item {
        border-bottom-color: #555;
    }
    
    .change-avatar-btn {
        background: #404040;
        color: #e0e0e0;
    }
    
    .change-avatar-btn:hover {
        background: #555;
    }
}


/* Стили для управления группами */
.group-settings-btn {
    padding: 8px 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    margin-left: 10px;
}

.group-settings-btn:hover {
    background: var(--primary-dark);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

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

.modal-header h3 {
    margin: 0;
    color: #333;
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.close-modal:hover {
    color: #333;
}

.modal-body {
    padding: 20px;
}

.settings-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.tab-btn {
    padding: 8px 16px;
    background: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    transition: all 0.3s;
}

.tab-btn:hover {
    background: #f0f0f0;
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.group-info-edit {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.avatar-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.group-avatar-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.change-avatar-btn {
    padding: 8px 16px;
    background: #f0f0f0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.change-avatar-btn:hover {
    background: #e0e0e0;
}

#group-avatar-input {
    display: none;
}

.group-name-edit,
.group-description-edit {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.group-name-edit label,
.group-description-edit label {
    font-weight: 600;
    color: #555;
}

.group-name-edit input,
.group-description-edit textarea {
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
}

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

.save-group-info {
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
}

.save-group-info:hover {
    background: var(--primary-dark);
}

.members-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.members-list h4 {
    margin: 0;
    color: #333;
}

.add-member {
    position: relative;
    margin-bottom: 15px;
}

#search-users {
    width: 100%;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.search-result-item {
    display: flex;
    align-items: center;
    padding: 10px;
    gap: 10px;
    border-bottom: 1px solid #f0f0f0;
}

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

.result-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}

.add-to-group {
    margin-left: auto;
    padding: 4px 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.members-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 300px;
    overflow-y: auto;
}

.member-item {
    display: flex;
    align-items: center;
    padding: 10px;
    background: #f9f9f9;
    border-radius: 8px;
    gap: 10px;
}

.member-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.member-name {
    flex: 1;
    font-weight: 500;
}

.member-role {
    font-size: 12px;
    color: #666;
    background: #e0e0e0;
    padding: 2px 8px;
    border-radius: 12px;
}

.creator-badge {
    font-size: 11px;
    color: #ff9800;
    background: #fff3e0;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 5px;
}

.member-actions {
    display: flex;
    gap: 5px;
}

.member-actions button {
    padding: 4px 8px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
}

.toggle-admin {
    background: #ffc107;
    color: #333;
}

.remove-member {
    background: #f44336;
    color: white;
}

.group-settings {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.leave-group,
.delete-group {
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
}

.leave-group {
    background: #ff9800;
    color: white;
}

.delete-group.danger {
    background: #f44336;
    color: white;
}

.leave-group:hover,
.delete-group:hover {
    opacity: 0.9;
}

/* Темная тема для модальных окон */
@media (prefers-color-scheme: dark) {
    .modal-content {
        background: #2d2d2d;
        color: #e0e0e0;
    }
    
    .modal-header {
        border-bottom-color: #404040;
    }
    
    .modal-header h3 {
        color: #e0e0e0;
    }
    
    .close-modal {
        color: #999;
    }
    
    .close-modal:hover {
        color: #e0e0e0;
    }
    
    .tab-btn {
        color: #999;
    }
    
    .tab-btn:hover {
        background: #404040;
    }
    
    .group-name-edit label,
    .group-description-edit label {
        color: #bbb;
    }
    
    .group-name-edit input,
    .group-description-edit textarea,
    #search-users {
        background: #404040;
        border-color: #555;
        color: #e0e0e0;
    }
    
    .member-item {
        background: #404040;
    }
    
    .member-name {
        color: #e0e0e0;
    }
    
    .member-role {
        background: #555;
        color: #bbb;
    }
    
    .search-results {
        background: #404040;
        border-color: #555;
    }
    
    .search-result-item {
        border-bottom-color: #555;
    }
    
    .change-avatar-btn {
        background: #404040;
        color: #e0e0e0;
    }
    
    .change-avatar-btn:hover {
        background: #555;
    }
}