/*
 * What you're currently looking at is the source code of a legally protected, proprietary software.
 * CKEditor 5 Collaboration is licensed under a commercial license and protected by copyright law. Where not otherwise indicated,
 * all CKEditor 5 Collaboration content is authored by CKSource engineers and consists of CKSource-owned intellectual property.
 *
 * Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
 */

:root {
	--ai-active-icon-size: 17px;

	--ck-ai-loader-icon-color: hsla(0, 0%, 85%, 1);
	--ck-ai-loader-icon-dot-color: hsla(0, 0%, 65%, 1);
	--ck-ai-chat-feed-item-spacing: var(--ck-spacing-extra-large);
}

.ck .ck-ai-chat-history {
	display: flex;
	flex-direction: column;
	height: 100%;

	.ck-ai-chat-history__content,
	.ck-search {
		display: flex;
		flex-direction: column;
		flex: 1 1 auto;
		min-height: 0;
		gap: var(--ck-spacing-medium-small);
		position: relative;
	}

	.ck-ai-chat-history__content {
		.ck-ai-notification_error {
			margin: var(--ck-spacing-extra-large) var(--ck-spacing-large) var(--ck-spacing-medium) var(--ck-spacing-large);
		}
	}

	.ck-search > .ck-labeled-field-view {
		margin-top: var(--ck-spacing-medium);
		padding: var(--ck-spacing-large) var(--ck-spacing-large) var(--ck-spacing-tiny);
	}

	.ck-search__results {
		min-height: 0;
		flex: 1 1 auto;
		overflow-y: auto;
		overflow-x: hidden;
	}

	.ck-dropdown .ck-dropdown__arrow {
		display: none;
	}

	.ck-ai-chat-history__sections {
		gap: var(--ck-spacing-medium-small);
	}

	.ck.ck-dropdown .ck-button.ck-dropdown__button:not(.ck-button_with-text) {
		padding: 0;
	}

	.ck-ai-chat-history__section-title {
		color: var(--ck-ai-chat-color-icon);
		font-size: 0.85em;
		font-weight: 700;
		line-height: 1.85em;
		padding: 0.48em 0.9em 0 0.9em;
	}

	.ck-confirm-view .ck-confirm-view-inner, .ck-ai-chat-history__item {
		padding: var(--ck-spacing-tiny)
			var(--ck-spacing-extra-large)
			var(--ck-spacing-tiny)
			var(--ck-spacing-large);
	}

	.ck-ai-chat-history__item {
		display: flex;
		position: relative;
		transition: transform 300ms ease;

		@media (prefers-reduced-motion: reduce) {
			transition: none;
		}

		&:hover {
			background-color: var(--ck-ai-chat-button-active-background-color);
		}
	}

	.ck-ai-chat-history__item-title {
		display: inline-block;
		width: 100%;
		overflow: hidden;
		text-overflow: ellipsis;
	}

	.ck-ai-chat-history__item--active {
		& .ck-ai-chat-history__item-title {
			font-weight: 700;
		}
	}

	.ck-ai-chat-history__item-row {
		--ck-icon-font-size: .666em;
		--ck-ui-component-min-height: 1.7em;
		--ck-ui-component-min-width: 1.7em;

		width: 100%;
		min-width: 0;
		margin-left: 0.3em;
	}

	.ck-ai-chat-history__item-row, .ck-ai-chat-history__item-actions {
		display: flex;
		align-items: center;
		gap: 0.6em;
	}

	.ck-ai-chat-history__item-actions {
		height: 100%;

		& > .ck-button,
		& > .ck-dropdown .ck-dropdown__button {
			opacity: .7;

			&:hover {
				opacity: 1;
				background: none;
			}

			&.ck-on {
				background-color: var(--ck-ai-chat-button-active-background-color);
				color: var(--ck-ai-chat-button-hover-color);

				svg {
					color: var(--ck-ai-chat-button-active-color);
				}
			}
		}

		& .ck-dropdown {
			& .ck-dropdown__panel {
				& .ck-list__item {
					& .ck-button {
						&:hover, &:active {
							background-color: var(--ck-ai-button-tertiary-filled-hover-background-color);
						}
					}
				}
			}
		}
	}

	.ck-ai-chat-history__item--edit .ck-input,
	.ck-ai-chat-history__item--edit .ck-input_focused {
		width: 100%;
		padding: 0;
		border: none;
		box-shadow: none;
		background: transparent;
	}

	.ck-ai-chat-history__item--edit {
		background: var(--ck-ai-chat-button-active-background-color);

		& .ck-ai-chat-history__item-edit .ck-input {
			background: var(--ck-ai-chat-button-active-background-color);
		}

		& .ck-ai-chat-history__item-actions {
			align-items: center;
		}
	}

	.ck-ai-chat-history__item-content {
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: flex-start;
		flex: 1 0 0;
		overflow: hidden;
	}

	.ck-ai-chat-history__item-main-content {
		width: 100%;
	}

	.ck-ai-chat-history__item-main-content, .ck-ai-chat-history__item-check-container {
		display: flex;
		align-items: center;
		height: 2em;
	}

	.ck-ai-chat-history__item-check-container {
		--ck-icon-font-size: .5em;

		min-width: var(--ai-active-icon-size);
	}

	.ck-ai-chat-history__item-date {
		line-height: 1.385em;
		color: var(--ck-ai-chat-color-icon);
	}

	.ck-ai-chat-history__empty {
		padding: var(--ck-spacing-tiny) var(--ck-spacing-large) var(--ck-spacing-large) var(--ck-spacing-large);

		.ck-ai-chat-history__empty-message {
			text-wrap: auto;
			line-height: 1.85em;
			margin: var(--ck-spacing-large) 0;
		}

		.ck-ai-chat__start-conversation {
			/* TODO: Extract this to a separate class to avoid duplication (same component and styling in Chat header) */
			/* Custom value unlike the rest of editor UI (derived from --ck-font-size-base, defaults to 13px). */
			font-size: 11.7px;
			min-height: unset;
			border: 1px solid var(--ck-ai-border-color-button);
			border-radius: var(--ck-border-radius);
			gap: var(--ck-spacing-small);
			color: var(--ck-ai-chat-color-text);

			&:hover {
				background-color: var(--ck-ai-chat-button-active-background-color);
			}

			& > .ck-button__label {
				/* Custom value unlike the rest of editor UI. */
				line-height: 1.4em;
			}

			& > .ck-button__icon {
				/* Custom value unlike the rest of editor UI (defaults to 14px). See how it's used in the icon.css */
				--ck-icon-font-size: .632em;

				margin-inline-end: 0;
				color: var(--ck-ai-chat-color-text);
			}
		}
	}

	.ck-confirm-view {
		--ck-icon-font-size: .666em;
		--ck-ui-component-min-height: 1.7em;
		--ck-ui-component-min-width: 1.7em;

		.ck-confirm-view-inner {
			flex-direction: row;
			align-items: center;
			justify-content: space-between;
			gap: 0.6em;
			flex: 1 0 0;
			margin-left: var(--ai-active-icon-size);
		}

		.ck-confirm-view-actions {
			display: flex;
			gap: 0.6em;
		}
	}
}