/* components.css - UI компоненты */

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    border: none;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    white-space: nowrap;
}

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

.btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-secondary);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: white;
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--primary-light);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: 0.5rem;
    border-radius: 50%;
    aspect-ratio: 1;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.btn-icon.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.link-btn {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: inherit;
    padding: 0;
}

.link-btn:hover {
    text-decoration: underline;
}

/* ==================== MODAL COMPONENTS ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    animation: fadeIn var(--transition-normal);
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    animation: slideInRight var(--transition-normal);
}

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

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Chat Settings Modal */
.chat-settings-modal .chat-info-section {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.chat-settings-modal .participants-section {
    margin-top: 1.5rem;
}

.participant-list {
    display: flex;
    flex-direction: column;
    max-height: 300px;
    overflow-y: auto;
}

.participant-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    gap: 0.75rem;
}

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

.participant-item .list-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.participant-item .list-content {
    flex: 1;
    min-width: 0;
}

.participant-item .list-title {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.participant-item .list-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.participant-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Invite Modal */
.invite-modal .invite-info {
    text-align: center;
}

.invite-modal .invite-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    margin-top: 1rem;
}

.invite-modal .invite-stats .stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.invite-modal .invite-stats .stat-item i {
    font-size: 1.25rem;
    color: var(--primary);
}

.invite-modal .qr-code-placeholder {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.invite-link-box {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.invite-link-box input {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: monospace;
    font-size: 0.875rem;
}

/* ==================== REPLY PREVIEW ==================== */
.reply-preview {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
    margin: -1.5rem -1.5rem 1rem -1.5rem;
    border-bottom: 1px solid var(--border-color);
    animation: slideDown var(--transition-fast);
}

.reply-preview-bar {
    width: 4px;
    height: 40px;
    background: var(--primary);
    border-radius: 2px;
    flex-shrink: 0;
}

.reply-preview-content {
    flex: 1;
    min-width: 0;
}

.reply-preview-sender {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.reply-preview-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reply-preview-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

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

/* Reply Message in Chat */
.message-reply {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
    background: rgba(99, 102, 241, 0.08);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--primary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.message-reply:hover {
    background: rgba(99, 102, 241, 0.15);
}

.message-reply-bar {
    width: 3px;
    height: 100%;
    min-height: 30px;
    background: var(--primary);
    border-radius: 1px;
    flex-shrink: 0;
}

.message-reply-content {
    flex: 1;
    min-width: 0;
}

.message-reply-sender {
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--primary);
    margin-bottom: 0.125rem;
}

.message-reply-text {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-outgoing .message-reply {
    background: rgba(99, 102, 241, 0.15);
    border-left-color: var(--primary-hover);
}

.message-incoming .message-reply {
    background: rgba(0, 0, 0, 0.05);
    border-left-color: var(--text-tertiary);
}

[data-theme="dark"] .message-incoming .message-reply {
    background: rgba(255, 255, 255, 0.05);
}

/* ==================== NOTIFICATIONS ==================== */
.notifications-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
}

.notification {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideInRight var(--transition-normal);
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--primary);
}

.notification.success { border-left-color: var(--accent); }
.notification.error { border-left-color: var(--danger); }
.notification.warning { border-left-color: var(--warning); }
.notification.info { border-left-color: var(--info); }

.notification-icon {
    font-size: 1.25rem;
    margin-top: 0.125rem;
}

.notification.success .notification-icon { color: var(--accent); }
.notification.error .notification-icon { color: var(--danger); }
.notification.warning .notification-icon { color: var(--warning); }
.notification.info .notification-icon { color: var(--info); }

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.notification-message {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.875rem;
}

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

/* ==================== LOADING STATES ==================== */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.loading-state .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.loading-state p {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
}

.spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.loading-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

/* ==================== LIST COMPONENTS ==================== */
.list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.list-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
    user-select: none;
}

.list-item:hover {
    background: var(--bg-tertiary);
}

.list-item.active {
    background: var(--primary-light);
}

.list-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.list-content {
    flex: 1;
    min-width: 0;
}

.list-title {
    font-weight: 500;
    margin-bottom: 0.125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.list-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-meta {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-align: right;
    min-width: 40px;
}

/* Chat List Item */
.chat-list-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.chat-list-item:hover {
    background: var(--bg-tertiary);
}

.chat-list-item.active {
    background: var(--primary-light);
}

/* ==================== BADGES & TAGS ==================== */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
}

.tag-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.tag-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent);
}

.tag-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.tag-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.tag-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.tag-sm {
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
}

/* ==================== EMPTY STATES ==================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
    animation: pulse 2s infinite;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state-description {
    max-width: 400px;
    margin-bottom: 1.5rem;
}

/* ==================== CONTEXT MENU ==================== */
.context-menu {
    position: fixed;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    z-index: 1000;
    animation: slideInRight var(--transition-fast);
    padding: 0.5rem 0;
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: 0.875rem;
}

.context-menu-item:hover {
    background: var(--bg-tertiary);
}

.context-menu-item.danger {
    color: var(--danger);
}

.context-menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.25rem 0;
}

/* ==================== SEARCH RESULTS ==================== */
.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.search-result-item:hover {
    background: var(--bg-tertiary);
}

.search-result-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.search-result-info {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-item .action-btn {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 0.5rem 1rem;
}

/* ==================== CREATE CHAT FORM ==================== */
.create-chat-view {
    padding: 1rem 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 0;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--primary);
}

/* ==================== MESSAGE FILES ==================== */
.message-image-container {
    max-width: 300px;
    margin: 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
}

.message-image-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    min-height: 200px;
}

.message-image {
    max-width: 100%;
    max-height: 250px;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    cursor: zoom-in;
    transition: transform var(--transition-fast);
    display: block;
    margin: 0 auto;
}

.message-image:hover {
    transform: scale(1.02);
}

.message-file {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.message-file.document {
    background: var(--bg-tertiary);
}

.document-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

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

.document-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.875rem;
}

.document-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.download-btn {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: 0.875rem;
    white-space: nowrap;
}

.download-btn:hover {
    background: var(--primary-hover);
}

.message-audio {
    width: 100%;
    max-width: 300px;
    margin: 0.5rem 0;
}

.file-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* ==================== IMAGE VIEWER ==================== */
.image-viewer-modal {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.image-viewer-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.image-viewer-img-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.image-viewer-img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.image-viewer-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.image-viewer-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.image-viewer-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.image-viewer-footer {
    padding: 1rem;
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    text-align: center;
}

.image-viewer-filename {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.25rem;
}

.image-viewer-filesize {
    font-size: 0.75rem;
    opacity: 0.6;
}

/* ==================== NON-MEMBER CHAT VIEW ==================== */
.non-member-view {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.non-member-view .info-card {
    text-align: center;
}

.non-member-view h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.non-member-view p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.chat-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1.5rem 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.stat-item i {
    font-size: 1.5rem;
    color: var(--primary);
}

.stat-item span {
    font-size: 0.875rem;
}

.private-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--warning);
    padding: 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--border-radius-sm);
    margin-top: 1rem;
}

/* ==================== ONLINE STATUS ==================== */
.online-status {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.online-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gray-400);
    display: inline-block;
}

.online-dot.active {
    background: var(--accent);
    animation: pulse 2s infinite;
}

/* ==================== SCROLL TO BOTTOM ==================== */
.scroll-to-bottom {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    z-index: 100;
}

.scroll-to-bottom:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.scroll-to-bottom.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
}

/* ==================== DROP ZONE ==================== */
.drop-zone {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

.drop-zone.active {
    display: flex;
}

.drop-zone-content {
    text-align: center;
    padding: 3rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--primary);
}

.drop-zone-content i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.drop-zone-content p {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.drag-active {
    outline: 2px dashed var(--primary);
    outline-offset: -10px;
    background: rgba(99, 102, 241, 0.05);
}

/* ==================== PROGRESS ==================== */
.progress {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: width var(--transition-normal);
}

/* ==================== ALERTS ==================== */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-icon {
    font-size: 1.25rem;
    margin-top: 0.125rem;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.alert-message {
    font-size: 0.875rem;
    line-height: 1.4;
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.875rem;
    opacity: 0.7;
}

.alert-close:hover {
    opacity: 1;
}

.alert-primary {
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ==================== CHANGELOG ==================== */
.changelog {
    max-height: 400px;
    overflow-y: auto;
}

.changelog-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

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

.changelog-item h4 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.changelog-item ul {
    list-style: disc;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.changelog-item li {
    margin-bottom: 0.5rem;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ==================== CHAT HEADER IMPROVEMENTS ==================== */
.chat-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    max-width: 100%;
}

.chat-type,
.chat-members,
.chat-messages,
.chat-creator {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.4rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    font-size: 0.7rem;
}

.chat-type {
    background: var(--primary-light);
    color: var(--primary);
}

/* Для мобильных - ещё компактнее */
@media (max-width: 768px) {
    .chat-meta {
        gap: 0.3rem;
        font-size: 0.65rem;
    }

    .chat-type,
    .chat-members,
    .chat-messages,
    .chat-creator {
        padding: 0.15rem 0.3rem;
        font-size: 0.65rem;
    }
}

/* ==================== FORMS ==================== */
.input-group {
    margin-bottom: 1rem;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-group input,
.input-group textarea,
.input-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.input-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
}

/* ==================== SIDEBAR CLOSE BUTTON ==================== */
.close-sidebar-content {
    background: none !important;
    border: none !important;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.close-sidebar-content:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    transform: rotate(90deg);
}

/* Заголовок панели */
.sidebar-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 10;
}

.sidebar-header h2,
.sidebar-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}