/**
 * Convoca Assistant — Chat Window CSS
 *
 * Chat container, messages, input area, markdown rendering,
 * actions, inline mode, and accessibility.
 */

/* ── Chat container ──────────────────────────────── */

.convoca-chat-container {
	position: fixed;
	bottom: 90px;
	right: 20px;
	width: 380px;
	max-width: calc(100vw - 40px);
	max-height: 600px;
	height: 60vh;
	background: var(--convoca-bg);
	border: 1px solid var(--convoca-border);
	border-radius: 16px;
	box-shadow: 0 8px 32px rgba(0,0,0,0.15);
	display: none;
	flex-direction: column;
	overflow: hidden;
	transform: translateY(20px) scale(0.96);
	opacity: 0;
	transform-origin: bottom right;
	transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
	            opacity 0.25s ease-out;
}

.convoca-chat-container.convoca-open {
	display: flex;
	transform: translateY(0) scale(1);
	opacity: 1;
}

.convoca-assistant-widget[data-position="bottom-left"] .convoca-chat-container {
	right: auto;
	left: 20px;
	transform-origin: bottom left;
}

/* ── Header ──────────────────────────────────────── */

.convoca-chat-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px;
	background: var(--convoca-primary);
	color: #fff;
	font-weight: 600;
	font-size: 15px;
	flex-shrink: 0;
	user-select: none;
}

.convoca-chat-close {
	background: none;
	border: none;
	color: inherit;
	font-size: 24px;
	cursor: pointer;
	padding: 0 4px;
	line-height: 1;
	opacity: 0.8;
	transition: opacity 0.15s;
	border-radius: 4px;
}

.convoca-chat-close:hover,
.convoca-chat-close:focus-visible {
	opacity: 1;
}

.convoca-chat-close:focus-visible {
	outline: 2px solid rgba(255,255,255,0.6);
	outline-offset: 2px;
}

/* ── Messages area ────────────────────────────────── */

.convoca-chat-messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	scroll-behavior: smooth;
	overscroll-behavior: contain;
}

.convoca-chat-messages::-webkit-scrollbar {
	width: 6px;
}

.convoca-chat-messages::-webkit-scrollbar-track {
	background: transparent;
}

.convoca-chat-messages::-webkit-scrollbar-thumb {
	background: var(--convoca-border);
	border-radius: 3px;
}

/* ── Individual messages ──────────────────────────── */

.convoca-message {
	max-width: 88%;
	padding: 10px 14px;
	border-radius: 14px;
	animation: convoca-message-in 0.25s ease-out;
	word-wrap: break-word;
	overflow-wrap: break-word;
	line-height: 1.5;
}

@keyframes convoca-message-in {
	from {
		opacity: 0;
		transform: translateY(10px) scale(0.97);
	}
	to {
		opacity: 1;
		transform: translateY(0) scale(1);
	}
}

.convoca-message-bot {
	align-self: flex-start;
	background: #f3f4f6;
	color: #1f2937;
	border-bottom-left-radius: 4px;
}

.convoca-message-user {
	align-self: flex-end;
	background: var(--convoca-primary);
	color: #fff;
	border-bottom-right-radius: 4px;
	animation: convoca-message-user-in 0.2s ease-out;
}

@keyframes convoca-message-user-in {
	from { opacity: 0; transform: translateY(8px) scale(0.98); }
	to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-color-scheme: dark) {
	.convoca-message-bot {
		background: #374151;
		color: #f9fafb;
	}
}

/* ── Error / loading / no-result ──────────────────── */

.convoca-message.convoca-error {
	background: #fef2f2;
	color: var(--convoca-error);
	border: 1px solid #fecaca;
}

.convoca-message.convoca-loading {
	background: transparent;
	color: var(--convoca-muted);
	font-size: 13px;
	animation: none;
}

.convoca-message.convoca-noresult {
	background: #fffbeb;
	color: #92400e;
	border: 1px solid #fde68a;
}

@media (prefers-color-scheme: dark) {
	.convoca-message.convoca-error {
		background: #450a0a;
		border-color: #991b1b;
		color: #fca5a5;
	}
	.convoca-message.convoca-noresult {
		background: #451a03;
		border-color: #92400e;
		color: #fbbf24;
	}
}

/* ── Typing indicator ─────────────────────────────── */

.convoca-typing {
	display: flex;
	gap: 5px;
	padding: 12px 16px;
	align-items: center;
	min-height: 20px;
}

.convoca-typing span {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #9ca3af;
	animation: convoca-bounce 1.4s ease-in-out infinite;
}

.convoca-typing span:nth-child(2) { animation-delay: 0.2s; }
.convoca-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes convoca-bounce {
	0%, 60%, 100% { transform: translateY(0); }
	30% { transform: translateY(-8px); }
}

/* ── Message actions ──────────────────────────────── */

.convoca-message-actions {
	display: flex;
	gap: 4px;
	margin-top: 8px;
	padding-top: 6px;
	border-top: 1px solid rgba(0,0,0,0.06);
}

.convoca-message-actions button {
	background: none;
	border: none;
	padding: 4px 8px;
	border-radius: 6px;
	cursor: pointer;
	font-size: 14px;
	line-height: 1;
	color: var(--convoca-muted);
	transition: background 0.15s, transform 0.1s;
}

.convoca-message-actions button:hover,
.convoca-message-actions button:focus-visible {
	background: rgba(0,0,0,0.06);
	transform: scale(1.1);
}

.convoca-message-actions button:disabled {
	opacity: 0.6;
	cursor: default;
	transform: none;
}

@media (prefers-color-scheme: dark) {
	.convoca-message-actions button:hover {
		background: rgba(255,255,255,0.1);
	}
}

/* ── Source link ──────────────────────────────────── */

.convoca-message-source {
	margin-top: 8px;
	padding-top: 6px;
	border-top: 1px solid rgba(0,0,0,0.06);
}

.convoca-message-source a {
	font-size: 13px;
	color: var(--convoca-primary);
	text-decoration: none;
	font-weight: 500;
}

.convoca-message-source a:hover {
	text-decoration: underline;
}

/* ── Input area ────────────────────────────────────── */

.convoca-chat-input-area {
	display: flex;
	gap: 8px;
	padding: 12px 16px;
	border-top: 1px solid var(--convoca-border);
	background: var(--convoca-bg);
	flex-shrink: 0;
}

.convoca-chat-input {
	flex: 1;
	border: 1px solid var(--convoca-border);
	border-radius: 24px;
	padding: 9px 16px;
	font-size: 14px;
	outline: none;
	background: var(--convoca-bg);
	color: var(--convoca-text);
	transition: border-color 0.15s, box-shadow 0.15s;
}

.convoca-chat-input::placeholder {
	color: var(--convoca-muted);
}

.convoca-chat-input:focus {
	border-color: var(--convoca-primary);
	box-shadow: 0 0 0 3px var(--convoca-primary-light);
}

.convoca-chat-send {
	width: 40px;
	height: 40px;
	border: none;
	border-radius: 50%;
	background: var(--convoca-primary);
	color: #fff;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	transition: background 0.15s, transform 0.1s;
	position: relative;
}

.convoca-chat-send svg {
	display: block;
	width: 24px;
	height: 24px;
	fill: #ffffff !important;
}

.convoca-chat-send:hover {
	background: var(--convoca-primary-hover);
	transform: scale(1.05);
}

.convoca-chat-send:disabled {
	opacity: 0.5;
	cursor: not-allowed;
	transform: none;
}

.convoca-chat-send:focus-visible {
	outline: 3px solid var(--convoca-primary);
	outline-offset: 2px;
}

/* ── Markdown in bot messages ──────────────────────── */

.convoca-message-text strong {
	font-weight: 600;
}

.convoca-message-text em {
	font-style: italic;
}

.convoca-message-text a {
	color: var(--convoca-primary);
	text-decoration: underline;
	word-break: break-all;
}

.convoca-message-text ul,
.convoca-message-text ol {
	margin: 8px 0;
	padding-left: 20px;
}

.convoca-message-text li {
	margin: 4px 0;
}

.convoca-message-text code {
	background: rgba(0,0,0,0.07);
	padding: 2px 6px;
	border-radius: 4px;
	font-size: 13px;
	font-family: "SF Mono", "Fira Code", monospace;
}

.convoca-message-text blockquote {
	border-left: 3px solid var(--convoca-border);
	margin: 8px 0;
	padding: 4px 12px;
	color: var(--convoca-muted);
	font-style: italic;
}

.convoca-message-text p {
	margin: 0 0 8px;
}

.convoca-message-text p:last-child {
	margin-bottom: 0;
}

.convoca-message-text br + br {
	display: block;
	content: '';
	margin: 4px 0;
}

/* ── Clusters & hybrid results ──────────────────── */

.convoca-hybrid {
	padding: 12px 16px;
}

.convoca-cluster {
	margin: 8px 0;
	padding: 8px 12px;
	background: rgba(0,0,0,0.03);
	border-radius: 8px;
}

.convoca-cluster-theme {
	font-size: 12px;
	font-weight: 600;
	color: var(--convoca-muted);
	text-transform: uppercase;
	letter-spacing: 0.3px;
	margin-bottom: 6px;
}

.convoca-cluster-entry {
	margin: 4px 0;
	font-size: 13px;
}

.convoca-cluster-entry a {
	color: var(--convoca-primary);
	text-decoration: none;
}

.convoca-cluster-entry a:hover {
	text-decoration: underline;
}

.convoca-cluster-meta {
	font-size: 11px;
	color: var(--convoca-muted);
	margin-left: 4px;
}

/* ── Related content section ──────────────────── */

.convoca-related-section {
	padding: 10px 14px;
	font-size: 13px;
}

.convoca-related-entry {
	margin: 4px 0;
}

.convoca-related-entry a {
	color: var(--convoca-primary);
	text-decoration: none;
}

.convoca-related-entry a:hover {
	text-decoration: underline;
}

.convoca-related-meta {
	font-size: 11px;
	color: var(--convoca-muted);
	margin-left: 4px;
}

/* ── Context message ──────────────────────────── */

.convoca-message.convoca-context {
	background: #eff6ff;
	color: #1e40af;
	font-size: 13px;
	border: 1px solid #bfdbfe;
}

@media (prefers-color-scheme: dark) {
	.convoca-message.convoca-context {
		background: #1e3a5f;
		color: #93c5fd;
		border-color: #2563eb;
	}
}

/* ── Inline mode ──────────────────────────────────── */

.convoca-assistant-inline {
	border: 1px solid var(--convoca-border);
	border-radius: 12px;
	overflow: hidden;
	min-height: 500px;
	height: 70vh;
}

.convoca-assistant-inline .convoca-chat-container {
	position: static;
	display: flex;
	transform: none;
	opacity: 1;
	box-shadow: none;
	border: none;
	border-radius: 0;
	max-height: none;
	height: 100%;
	width: 100%;
	max-width: none;
}

/* ── Responsive ────────────────────────────────────── */

@media (max-width: 480px) {
	.convoca-chat-container {
		position: fixed;
		width: 100vw;
		max-width: 100vw;
		max-height: 100vh;
		height: 100vh;
		bottom: 0;
		right: 0;
		left: 0;
		border-radius: 0;
		border: none;
		transform: translateY(30px);
	}

	.convoca-chat-container.convoca-open {
		transform: translateY(0);
	}

	.convoca-message {
		max-width: 92%;
	}
}

@media (prefers-reduced-motion: reduce) {
	.convoca-chat-container,
	.convoca-message,
	.convoca-chat-send {
		transition: none;
		animation: none;
	}

	.convoca-typing span {
		animation: none;
	}
}