.doai-widget {
	--doai-bg: #030711;
	--doai-bg-deep: #000207;
	--doai-surface: #09121e;
	--doai-surface-raised: #111b28;
	--doai-surface-strong: #1e2a39;
	--doai-ink: #f6f9fc;
	--doai-ink-2: #cbd2d9;
	--doai-muted: #828d9c;
	--doai-border: #1c2530;
	--doai-border-strong: #2e3947;
	--doai-accent: #00e5be;
	--doai-accent-2: #59e6e6;
	--doai-font: Inter, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
	position: fixed;
	right: clamp(16px, 2.4vw, 32px);
	bottom: clamp(16px, 2.4vw, 32px);
	z-index: 999980;
	font-family: var(--doai-font);
	font-size: 15px;
	line-height: 1.5;
	color: var(--doai-ink);
	-webkit-font-smoothing: antialiased;
}

.doai-widget *,
.doai-widget *::before,
.doai-widget *::after {
	box-sizing: border-box;
}

.doai-widget button,
.doai-widget textarea {
	font: inherit;
}

.doai-launcher {
	display: flex;
	align-items: center;
	gap: 10px;
	min-height: 56px;
	padding: 8px 12px 8px 8px;
	border: 1px solid var(--doai-border-strong);
	border-radius: 18px;
	background: var(--doai-surface-raised);
	box-shadow: 0 18px 54px rgba(0, 0, 0, .42), 0 0 0 1px rgba(0, 229, 190, .05);
	color: var(--doai-ink);
	cursor: pointer;
	transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.doai-launcher:hover {
	transform: translateY(-2px);
	border-color: rgba(0, 229, 190, .55);
	box-shadow: 0 22px 64px rgba(0, 0, 0, .5), 0 0 24px rgba(0, 229, 190, .1);
}

.doai-launcher:focus-visible,
.doai-icon-button:focus-visible,
.doai-send:focus-visible,
.doai-human-button:focus-visible,
.doai-chip:focus-visible {
	outline: 3px solid rgba(89, 230, 230, .35);
	outline-offset: 3px;
}

.doai-launcher-mark,
.doai-brand-mark {
	display: grid;
	place-items: center;
	flex: 0 0 auto;
	border: 1px solid rgba(0, 229, 190, .48);
	background: var(--doai-bg-deep);
	color: var(--doai-accent);
	font-family: "JetBrains Mono", monospace;
	font-size: 11px;
	font-weight: 800;
	letter-spacing: -.04em;
}

.doai-launcher-mark {
	width: 40px;
	height: 40px;
	border-radius: 13px;
}

.doai-launcher-label {
	font-size: 14px;
	font-weight: 750;
	letter-spacing: .01em;
}

.doai-launcher-state {
	position: relative;
	width: 8px;
	height: 8px;
	margin-left: 1px;
	border-radius: 50%;
	background: var(--doai-accent);
	box-shadow: 0 0 12px rgba(0, 229, 190, .7);
}

.doai-launcher-state::after {
	position: absolute;
	inset: -5px;
	border: 1px solid rgba(0, 229, 190, .55);
	border-radius: inherit;
	content: "";
	animation: doai-status-pulse 2.4s ease-out infinite;
}

.doai-panel {
	position: absolute;
	right: 0;
	bottom: 68px;
	display: grid;
	grid-template-areas:
		"head"
		"notice"
		"messages"
		"typing"
		"quick"
		"human"
		"composer"
		"privacy";
	grid-template-rows: auto auto minmax(180px, 1fr) auto auto auto auto auto;
	width: min(420px, calc(100vw - 32px));
	height: min(680px, calc(100vh - 116px));
	overflow: hidden;
	border: 1px solid var(--doai-border-strong);
	border-radius: 24px;
	background: var(--doai-bg);
	box-shadow: 0 28px 90px rgba(0, 0, 0, .62), 0 0 48px rgba(0, 229, 190, .08);
	opacity: 0;
	transform: translateY(14px) scale(.975);
	transform-origin: bottom right;
	pointer-events: none;
	visibility: hidden;
	transition: opacity .22s ease, transform .28s cubic-bezier(.2, .8, .2, 1), visibility 0s linear .28s;
}

.doai-widget[data-state="open"] .doai-panel {
	opacity: 1;
	transform: translateY(0) scale(1);
	pointer-events: auto;
	visibility: visible;
	transition-delay: 0s;
}

.doai-widget[data-state="open"] .doai-launcher {
	transform: scale(.98);
	opacity: 0;
	pointer-events: none;
}

.doai-panel-head {
	grid-area: head;
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 76px;
	padding: 14px 16px;
	border-bottom: 1px solid var(--doai-border);
	background: var(--doai-surface);
}

.doai-brand {
	display: flex;
	align-items: center;
	gap: 11px;
	min-width: 0;
}

.doai-brand-mark {
	width: 42px;
	height: 42px;
	border-radius: 13px;
}

.doai-brand > div {
	display: grid;
	gap: 2px;
	min-width: 0;
}

.doai-brand strong {
	overflow: hidden;
	color: var(--doai-ink);
	font-size: 14px;
	font-weight: 780;
	letter-spacing: -.01em;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.doai-brand div > span {
	display: flex;
	align-items: center;
	gap: 6px;
	color: var(--doai-muted);
	font-size: 12px;
}

.doai-brand i {
	display: inline-block;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--doai-accent);
	box-shadow: 0 0 9px rgba(0, 229, 190, .65);
}

.doai-icon-button {
	position: relative;
	width: 38px;
	height: 38px;
	padding: 0;
	border: 1px solid transparent;
	border-radius: 12px;
	background: transparent;
	color: var(--doai-muted);
	cursor: pointer;
	transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}

.doai-icon-button:hover {
	border-color: var(--doai-border);
	background: var(--doai-surface-raised);
	color: var(--doai-ink);
}

.doai-icon-button span::before,
.doai-icon-button span::after {
	position: absolute;
	top: 18px;
	left: 10px;
	width: 17px;
	height: 1.5px;
	border-radius: 2px;
	background: currentColor;
	content: "";
}

.doai-icon-button span::before { transform: rotate(45deg); }
.doai-icon-button span::after { transform: rotate(-45deg); }

.doai-notice {
	grid-area: notice;
	margin: 12px 16px 0;
	padding: 9px 11px;
	border: 1px solid rgba(89, 230, 230, .24);
	border-radius: 11px;
	background: rgba(89, 230, 230, .07);
	color: var(--doai-ink-2);
	font-size: 12px;
}

.doai-notice[data-tone="error"] {
	border-color: rgba(255, 119, 136, .28);
	background: rgba(255, 119, 136, .07);
	color: var(--doai-ink);
}

.doai-messages {
	grid-area: messages;
	overflow-x: hidden;
	overflow-y: auto;
	padding: 20px 16px 10px;
	overscroll-behavior: contain;
	scrollbar-width: thin;
	scrollbar-color: var(--doai-border-strong) transparent;
}

.doai-message-row {
	display: flex;
	margin: 0 0 12px;
	animation: doai-message-in .25s ease both;
}

.doai-message-row[data-role="visitor"] { justify-content: flex-end; }
.doai-message-row[data-role="system"] { justify-content: center; }

.doai-message {
	max-width: 84%;
	padding: 10px 12px;
	border: 1px solid var(--doai-border);
	border-radius: 15px 15px 15px 5px;
	background: var(--doai-surface-raised);
	color: var(--doai-ink-2);
	font-size: 14px;
	line-height: 1.65;
	white-space: pre-wrap;
	word-break: break-word;
}

.doai-message-row[data-role="visitor"] .doai-message {
	border-color: rgba(0, 229, 190, .28);
	border-radius: 15px 15px 5px 15px;
	background: var(--doai-surface-strong);
	color: var(--doai-ink);
}

.doai-message-row[data-role="operator"] .doai-message {
	border-color: rgba(89, 230, 230, .34);
	background: var(--doai-surface);
}

.doai-message-row[data-role="operator"] .doai-message::before {
	display: block;
	margin-bottom: 3px;
	color: var(--doai-accent-2);
	font-size: 10px;
	font-weight: 800;
	letter-spacing: .1em;
	text-transform: uppercase;
	content: "真人客服";
}

.doai-message-row[data-role="system"] .doai-message {
	max-width: 92%;
	padding: 4px 9px;
	border: 0;
	background: transparent;
	color: var(--doai-muted);
	font-size: 11px;
	text-align: center;
}

.doai-message-row[data-pending="true"] { opacity: .66; }

.doai-typing {
	grid-area: typing;
	display: flex;
	align-items: center;
	gap: 5px;
	width: fit-content;
	min-height: 36px;
	margin: 0 16px 8px;
	padding: 0 12px;
	border: 1px solid var(--doai-border);
	border-radius: 14px 14px 14px 5px;
	background: var(--doai-surface-raised);
}

.doai-typing[hidden] { display: none; }

.doai-typing span {
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background: var(--doai-muted);
	animation: doai-typing 1s ease-in-out infinite;
}

.doai-typing span:nth-child(2) { animation-delay: .14s; }
.doai-typing span:nth-child(3) { animation-delay: .28s; }

.doai-quick {
	grid-area: quick;
	display: flex;
	gap: 7px;
	overflow-x: auto;
	padding: 4px 16px 9px;
	scrollbar-width: none;
}

.doai-quick:empty { display: none; }
.doai-quick[hidden] { display: none; }
.doai-quick::-webkit-scrollbar { display: none; }

.doai-chip,
.doai-human-button {
	flex: 0 0 auto;
	border: 1px solid var(--doai-border-strong);
	background: var(--doai-surface);
	color: var(--doai-ink-2);
	cursor: pointer;
	transition: border-color .18s ease, background-color .18s ease, color .18s ease, transform .18s ease;
}

.doai-chip {
	max-width: 250px;
	padding: 7px 10px;
	border-radius: 999px;
	font-size: 12px;
	white-space: nowrap;
}

.doai-chip:hover,
.doai-human-button:hover {
	transform: translateY(-1px);
	border-color: rgba(0, 229, 190, .46);
	background: var(--doai-surface-raised);
	color: var(--doai-accent-2);
}

.doai-human-row {
	grid-area: human;
	display: flex;
	justify-content: flex-end;
	padding: 0 16px 9px;
}

.doai-human-button {
	padding: 6px 9px;
	border-radius: 9px;
	font-size: 11px;
}

.doai-composer {
	grid-area: composer;
	display: grid;
	grid-template-columns: minmax(0, 1fr) 42px;
	align-items: end;
	gap: 8px;
	margin: 0 12px;
	padding: 8px;
	border: 1px solid var(--doai-border-strong);
	border-radius: 17px;
	background: var(--doai-surface);
	transition: border-color .18s ease, box-shadow .18s ease;
}

.doai-composer:focus-within {
	border-color: rgba(0, 229, 190, .55);
	box-shadow: 0 0 0 3px rgba(0, 229, 190, .08);
}

.doai-composer textarea {
	width: 100%;
	max-height: 116px;
	min-height: 36px;
	resize: none;
	overflow-y: auto;
	padding: 7px 6px;
	border: 0;
	outline: 0;
	background: transparent;
	color: var(--doai-ink);
	font-size: 14px;
	line-height: 1.5;
}

.doai-composer textarea::placeholder { color: var(--doai-subtle, #545f6c); }

.doai-send {
	display: grid;
	place-items: center;
	width: 42px;
	height: 42px;
	padding: 0;
	border: 1px solid var(--doai-accent);
	border-radius: 13px;
	background: var(--doai-accent);
	color: var(--doai-bg-deep);
	font-size: 20px;
	font-weight: 900;
	cursor: pointer;
	transition: transform .18s ease, filter .18s ease, opacity .18s ease;
}

.doai-send:hover { transform: translateY(-1px); filter: brightness(1.08); }
.doai-send:disabled { cursor: not-allowed; opacity: .42; transform: none; }

.doai-privacy {
	grid-area: privacy;
	min-height: 27px;
	margin: 0;
	padding: 6px 16px 9px;
	color: var(--doai-muted);
	font-size: 10px;
	line-height: 1.35;
	text-align: center;
}

.doai-widget .screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

@keyframes doai-status-pulse {
	0% { opacity: .8; transform: scale(.45); }
	75%, 100% { opacity: 0; transform: scale(1.1); }
}

@keyframes doai-message-in {
	from { opacity: 0; transform: translateY(7px); }
	to { opacity: 1; transform: translateY(0); }
}

@keyframes doai-typing {
	0%, 70%, 100% { opacity: .34; transform: translateY(0); }
	35% { opacity: 1; transform: translateY(-3px); }
}

@media (max-width: 560px) {
	.doai-widget {
		right: 10px;
		bottom: max(10px, env(safe-area-inset-bottom));
		left: 10px;
	}

	.doai-launcher { margin-left: auto; }

	.doai-panel {
		right: 0;
		bottom: 0;
		width: 100%;
		height: min(760px, calc(100dvh - 20px));
		border-radius: 22px;
		transform-origin: bottom center;
	}

	.doai-widget[data-state="open"] .doai-launcher { visibility: hidden; }
	.doai-message { max-width: 88%; }
}

@media (prefers-reduced-motion: reduce) {
	.doai-widget *,
	.doai-widget *::before,
	.doai-widget *::after {
		scroll-behavior: auto !important;
		animation-duration: .01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: .01ms !important;
	}
}