html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}


.description-cell {
    max-width: 250px;
    min-width: 250px;
    word-wrap: break-word;
    white-space: normal;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 7; 
    -webkit-box-orient: vertical;
}

.search-result-item {
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

    .search-result-item:hover {
        background-color: #f8f9fa;
        border-color: #dee2e6;
        text-decoration: none;
    }

    .search-result-item:focus {
        outline: none;
        background-color: #e9ecef;
        border-color: #0d6efd;
    }

#quickSearchResults {
    animation: fadeIn 0.2s ease-in-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-highlight {
    background-color: #fff3cd;
    padding: 0.1em 0.2em;
    border-radius: 0.2em;
}

.chat-messages {
    border-radius: 0.375rem;
}

.chat-message {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: relative;
}

    .chat-message.current-user {
        background: #e3f2fd;
        margin-left: 2rem;
    }

    .chat-message .message-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0.25rem;
    }

    .chat-message .user-name {
        color: #495057;
        font-size: 0.875rem;
    }

    .chat-message .message-time {
        color: #6c757d;
        font-size: 0.75rem;
    }

    .chat-message .message-text {
        word-wrap: break-word;
        line-height: 1.4;
    }

    .chat-message .message-actions {
        position: absolute;
        top: 0.5rem;
        right: 0.5rem;
        opacity: 0;
        transition: opacity 0.2s;
    }

    .chat-message:hover .message-actions {
        opacity: 1;
    }

    .chat-message .message-actions .btn {
        padding: 0.125rem 0.375rem;
        margin-left: 0.25rem;
    }

.system-message {
    font-style: italic;
}

.edited-badge {
    font-size: 0.7rem;
    color: #6c757d;
    margin-left: 0.5rem;
}

.file-attachment {
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: 0.375rem;
    border: 1px solid #dee2e6;
}

.file-link {
    color: #0d6efd;
    text-decoration: none;
}

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

#filePreview {
    transition: all 0.3s ease;
}

/* Анимации */
.chat-message {
    animation: messageAppear 0.3s ease-out;
}

@keyframes messageAppear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Адаптивность */
@media (max-width: 768px) {
    .chat-message .message-actions {
        position: static;
        opacity: 1;
        margin-top: 0.5rem;
    }

    .chat-message.current-user {
        margin-left: 0;
    }
}