@use './ChatHistory.scss';

.chat-panel {
	display: flex;
	flex-direction: column;
	width: 100%;
	height: 100%;
	overflow-y: auto;
	box-sizing: border-box;
	background-color: var(--joplin-background-color);
	color: var(--joplin-color);
	border-left: 1px solid var(--joplin-divider-color);
	font-size: var(--joplin-font-size);
}

.chat-panel > .header {
	position: relative;
	display: flex;
	flex-direction: row;
	align-items: center;
	padding: 6px 10px;
	border-bottom: 1px solid var(--joplin-divider-color);
	font-weight: 600;
}

.chat-panel-header {
	> .title {
		flex: 1;
		font-size: inherit;
		margin: 0;
	}

	> .reset, > .close, > .history {
		background: none;
		border: none;
		color: var(--joplin-color-faded);
		cursor: pointer;
		padding: 2px 6px;

		&:hover:not(:disabled) {
			color: var(--joplin-color);
		}
	}
}

.chat-panel > .degraded-status {
	padding: 6px 10px;
	font-size: 0.8em;
	color: var(--joplin-color-warn);
	background-color: var(--joplin-background-color3);
	border-bottom: 1px solid var(--joplin-divider-color);
	line-height: 1.3;

	> a {
		color: var(--joplin-url-color);
		text-decoration: underline;
	}
}

.chat-panel > .messages {
	flex: 1;
	overflow-y: auto;
	padding: 8px;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.chat-panel > .messages > .empty {
	color: var(--joplin-color-faded);
	font-style: italic;
	text-align: center;
	margin-top: 20px;
	padding: 0 20px;
	line-height: 1.5;
}

.chat-panel > .messages > .turn {
	padding: 8px 10px;
	border-radius: 6px;
	overflow-wrap: anywhere;
	line-height: 1.4;
}

// User turn uses the sidebar colour scheme (dark blue bg, white text).
.chat-panel > .messages > .turn.-user {
	background-color: var(--joplin-background-color2);
	color: var(--joplin-color2);
	align-self: flex-end;
	max-width: 90%;

	> .content {
		white-space: pre-wrap;
	}
}

// Assistant turn uses the secondary panel scheme (light gray in light theme,
// near-black in dark theme), with regular text colour so contrast is correct
// in both themes. align-self stretch so a short reply still fills the column
// width instead of leaving empty space on the right.
.chat-panel > .messages > .turn.-assistant {
	background-color: var(--joplin-background-color3);
	color: var(--joplin-color);
	align-self: stretch;
}

.chat-panel > .messages > .turn > .meta {
	font-size: 0.8em;
	color: var(--joplin-color-faded);
	margin-top: 4px;
	white-space: pre-wrap;
}

.chat-panel > .messages > .turn > .meta > .warning {
	color: var(--joplin-color-warn);
}

.chat-panel > .messages > .separator {
	text-align: center;
	color: var(--joplin-color-faded);
	font-size: 0.8em;
	margin: 6px 0;
}

.chat-panel > .messages > .error {
	color: var(--joplin-color-warn);
	background-color: var(--joplin-background-color3);
	border-left: 3px solid var(--joplin-color-warn);
	padding: 6px 10px;
	border-radius: 0 4px 4px 0;
}

.chat-panel > .composer {
	border-top: 1px solid var(--joplin-divider-color);
	padding: 8px;
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.chat-panel > .composer > .disclosure {
	font-size: 0.8em;
	color: var(--joplin-color-faded);
	padding: 4px 0;
}

// Compose box: an outer wrapper that visually behaves as the input, with the
// real <textarea> filling it and the send button floating in the
// bottom-right corner.
.chat-panel > .composer > .input-wrapper {
	position: relative;
	display: flex;
	border: 1px solid var(--joplin-divider-color);
	border-radius: 4px;
	background-color: var(--joplin-background-color);

	&:focus-within {
		border-color: var(--joplin-background-color5);
	}
}

.chat-panel > .composer > .input-wrapper > .input {
	flex: 1;
	resize: none;
	min-height: 70px;
	max-height: 200px;
	padding: 8px 44px 8px 10px;
	border: none;
	border-radius: 4px;
	background-color: transparent;
	color: var(--joplin-color);
	font-family: inherit;
	font-size: inherit;
	outline: none;
}

.chat-panel > .composer > .input-wrapper > .send {
	position: absolute;
	right: 6px;
	bottom: 6px;
	width: 30px;
	height: 30px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--joplin-background-color5);
	color: var(--joplin-color5);
	border: none;
	border-radius: 4px;
	cursor: pointer;
	font-size: 0.9em;
	padding: 0;
}

.chat-panel > .composer > .input-wrapper > .send:hover:not(:disabled) {
	background-color: var(--joplin-background-color-hover5);
}

.chat-panel > .composer > .input-wrapper > .send:active:not(:disabled) {
	background-color: var(--joplin-background-color-active5);
}

.chat-panel > .composer > .input-wrapper > .send:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

// Spinner animation while the request is in flight.
.chat-panel > .composer > .input-wrapper > .send > .fa-spinner {
	animation: chat-panel-spin 0.9s linear infinite;
}

@keyframes chat-panel-spin {
	from { transform: rotate(0deg); }
	to { transform: rotate(360deg); }
}

.chat-panel > .disabled-message {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 12px;
	padding: 12px;
	color: var(--joplin-color-faded);
	line-height: 1.5;
}