.cai-widget {
	--cai-primary: #2563eb;
	--cai-primary-dark: #1d4ed8;
	--cai-bg: #ffffff;
	--cai-bg-soft: #f3f4f6;
	--cai-text: #111827;
	--cai-text-muted: #6b7280;
	--cai-border: #e5e7eb;
	--cai-radius: 14px;

	position: fixed;
	right: 20px;
	bottom: 20px;
	z-index: 999999;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.cai-toggle {
	width: 56px;
	height: 56px;
	border-radius: 50%;
	border: none;
	background: var(--cai-primary);
	color: #fff;
	font-size: 24px;
	line-height: 1;
	cursor: pointer;
	box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: transform 0.15s ease, background 0.15s ease;
}

.cai-toggle:hover {
	background: var(--cai-primary-dark);
	transform: scale(1.05);
}

.cai-toggle:focus-visible {
	outline: 2px solid var(--cai-primary-dark);
	outline-offset: 2px;
}

.cai-panel {
	position: absolute;
	right: 0;
	bottom: 68px;
	width: 380px;
	max-width: calc(100vw - 40px);
	height: 560px;
	max-height: calc(100vh - 110px);
	background: var(--cai-bg);
	border-radius: var(--cai-radius);
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

.cai-header {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 14px;
	border-bottom: 1px solid var(--cai-border);
	background: var(--cai-bg);
}

.cai-title {
	font-weight: 600;
	font-size: 15px;
	color: var(--cai-text);
	flex: 1;
}

.cai-model-select {
	font-size: 12px;
	padding: 4px 6px;
	border-radius: 8px;
	border: 1px solid var(--cai-border);
	background: var(--cai-bg-soft);
	color: var(--cai-text);
	max-width: 130px;
}

.cai-close {
	border: none;
	background: transparent;
	font-size: 20px;
	line-height: 1;
	cursor: pointer;
	color: var(--cai-text-muted);
	padding: 2px 6px;
}

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

.cai-messages {
	flex: 1;
	overflow-y: auto;
	padding: 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	transition: filter 0.2s ease;
}

.cai-messages.cai-blurred {
	filter: blur(4px);
	pointer-events: none;
	user-select: none;
}

.cai-msg {
	display: flex;
	max-width: 88%;
}

.cai-msg--user {
	align-self: flex-end;
}

.cai-msg--assistant,
.cai-msg--loading {
	align-self: flex-start;
}

.cai-msg-content {
	padding: 9px 12px;
	border-radius: 12px;
	font-size: 14px;
	line-height: 1.5;
	color: var(--cai-text);
	word-break: break-word;
}

.cai-msg--user .cai-msg-content {
	background: var(--cai-primary);
	color: #fff;
	border-bottom-right-radius: 4px;
}

.cai-msg--assistant .cai-msg-content,
.cai-msg--loading .cai-msg-content {
	background: var(--cai-bg-soft);
	border-bottom-left-radius: 4px;
}

.cai-msg-content p {
	margin: 0 0 8px;
}

.cai-msg-content p:last-child {
	margin-bottom: 0;
}

.cai-msg-content h1,
.cai-msg-content h2,
.cai-msg-content h3,
.cai-msg-content h4,
.cai-msg-content h5,
.cai-msg-content h6 {
	margin: 10px 0 6px;
	line-height: 1.3;
}

.cai-msg-content ul,
.cai-msg-content ol {
	margin: 0 0 8px;
	padding-left: 20px;
}

.cai-msg-content code {
	background: rgba(0, 0, 0, 0.06);
	padding: 1px 5px;
	border-radius: 4px;
	font-size: 12.5px;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.cai-code {
	background: #0f172a;
	color: #e2e8f0;
	padding: 10px 12px;
	border-radius: 8px;
	overflow-x: auto;
	margin: 6px 0;
}

.cai-code code {
	background: none;
	color: inherit;
	padding: 0;
	font-size: 12.5px;
	white-space: pre;
}

.cai-table {
	border-collapse: collapse;
	width: 100%;
	margin: 6px 0;
	font-size: 12.5px;
}

.cai-table th,
.cai-table td {
	border: 1px solid var(--cai-border);
	padding: 5px 8px;
	text-align: left;
}

.cai-table th {
	background: rgba(0, 0, 0, 0.04);
}

.cai-msg-media-img {
	max-width: 100%;
	border-radius: 8px;
	margin-top: 6px;
	display: block;
}

.cai-loading-text {
	color: var(--cai-text-muted);
	font-size: 13px;
	font-style: italic;
}

.cai-loading-text::after {
	content: "";
	display: inline-block;
	width: 10px;
	animation: cai-dots 1.2s steps(4, end) infinite;
	overflow: hidden;
	vertical-align: bottom;
}

@keyframes cai-dots {
	0% { content: ""; }
	25% { content: "."; }
	50% { content: ".."; }
	75% { content: "..."; }
}

.cai-quick-prompts {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	padding: 0 14px 10px;
}

.cai-chip {
	border: 1px solid var(--cai-border);
	background: var(--cai-bg-soft);
	color: var(--cai-text);
	font-size: 12px;
	padding: 6px 10px;
	border-radius: 999px;
	cursor: pointer;
	transition: background 0.15s ease;
}

.cai-chip:hover {
	background: var(--cai-border);
}

.cai-lead-gate {
	position: absolute;
	left: 14px;
	right: 14px;
	bottom: 90px;
	background: var(--cai-bg);
	border: 1px solid var(--cai-border);
	border-radius: 12px;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
	padding: 14px;
	z-index: 2;
}

.cai-lead-title {
	margin: 0 0 4px;
	font-weight: 600;
	font-size: 14px;
	color: var(--cai-text);
}

.cai-lead-body {
	margin: 0 0 10px;
	font-size: 12.5px;
	color: var(--cai-text-muted);
}

.cai-lead-form {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.cai-lead-form input {
	padding: 8px 10px;
	border-radius: 8px;
	border: 1px solid var(--cai-border);
	font-size: 13px;
}

.cai-lead-submit {
	background: var(--cai-primary);
	color: #fff;
	border: none;
	border-radius: 8px;
	padding: 9px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
}

.cai-lead-submit:hover {
	background: var(--cai-primary-dark);
}

.cai-toast {
	margin: 0 14px 8px;
	background: #fef2f2;
	border: 1px solid #fecaca;
	color: #991b1b;
	font-size: 12.5px;
	padding: 8px 10px;
	border-radius: 8px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
}

.cai-toast-retry {
	border: 1px solid #991b1b;
	background: transparent;
	color: #991b1b;
	font-size: 12px;
	padding: 3px 8px;
	border-radius: 6px;
	cursor: pointer;
	white-space: nowrap;
}

.cai-image-preview {
	position: relative;
	margin: 0 14px 8px;
	width: 60px;
}

.cai-image-preview img {
	width: 60px;
	height: 60px;
	object-fit: cover;
	border-radius: 8px;
	border: 1px solid var(--cai-border);
}

.cai-image-preview button {
	position: absolute;
	top: -6px;
	right: -6px;
	width: 18px;
	height: 18px;
	border-radius: 50%;
	border: none;
	background: #111827;
	color: #fff;
	font-size: 12px;
	line-height: 1;
	cursor: pointer;
}

.cai-input-row {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 10px 14px;
	border-top: 1px solid var(--cai-border);
}

.cai-attach-btn {
	cursor: pointer;
	font-size: 18px;
	padding: 6px;
	border-radius: 8px;
	color: var(--cai-text-muted);
}

.cai-attach-btn:hover {
	background: var(--cai-bg-soft);
}

.cai-textarea {
	flex: 1;
	resize: none;
	border: 1px solid var(--cai-border);
	border-radius: 10px;
	padding: 8px 10px;
	font-size: 13.5px;
	font-family: inherit;
	max-height: 120px;
	color: var(--cai-text);
}

.cai-textarea:focus-visible {
	outline: 2px solid var(--cai-primary);
	outline-offset: 1px;
}

.cai-send {
	width: 36px;
	height: 36px;
	border-radius: 10px;
	border: none;
	background: var(--cai-primary);
	color: #fff;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 15px;
	flex-shrink: 0;
}

.cai-send:hover {
	background: var(--cai-primary-dark);
}

.cai-trust {
	display: flex;
	align-items: center;
	gap: 5px;
	justify-content: center;
	padding: 0 14px 10px;
	font-size: 11px;
	color: var(--cai-text-muted);
}

@media (max-width: 480px) {
	.cai-panel {
		position: fixed;
		right: 10px;
		left: 10px;
		bottom: 84px;
		width: auto;
		max-width: none;
		height: auto;
		max-height: calc(100vh - 100px);
	}
}

@media (prefers-color-scheme: dark) {
	.cai-widget {
		--cai-bg: #1f2937;
		--cai-bg-soft: #111827;
		--cai-text: #f3f4f6;
		--cai-text-muted: #9ca3af;
		--cai-border: #374151;
	}

	.cai-msg-content code {
		background: rgba(255, 255, 255, 0.1);
	}

	.cai-table th {
		background: rgba(255, 255, 255, 0.06);
	}
}