/**
 * 二郎AI客服 前台样式
 * 全部类名使用 erlang- 前缀，避免与任何主题冲突。
 */

/* ============ 根容器：全屏穿透，子元素自行接收事件 ============ */
.erlang-ai-root {
	position: fixed;
	inset: 0;
	z-index: 999990;
	pointer-events: none;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
		"Hiragino Sans GB", "Microsoft YaHei", sans-serif;
	--erlang-blue: #4f7cff;
	--erlang-purple: #7a5cff;
	--erlang-pink: #ff5fb0;
	--erlang-cyan: #37c7ff;
	--erlang-ink: #2b3550;
	--erlang-muted: #7a85a3;
}
.erlang-ai-root * {
	box-sizing: border-box;
	line-height: 1.5;
}

/* ============ 客服球 ============ */
.erlang-ball {
	position: fixed;
	left: 0;
	top: 0;
	width: 62px;
	height: 62px;
	padding: 0;
	margin: 0;
	border: 0;
	border-radius: 50%;
	cursor: grab;
	background: radial-gradient(circle at 50% 42%, #26305a 0%, #141a36 52%, #080b18 100%);
	box-shadow:
		0 0 0 1px rgba(120, 170, 255, 0.18),
		0 8px 22px rgba(20, 40, 90, 0.42),
		inset 0 0 16px rgba(90, 140, 255, 0.22),
		inset 0 -8px 16px rgba(0, 0, 0, 0.55);
	overflow: hidden;
	touch-action: none;
	user-select: none;
	-webkit-user-select: none;
	-webkit-tap-highlight-color: transparent;
	pointer-events: auto;
	animation: erlang-orb-in 0.5s cubic-bezier(0.22, 1, 0.36, 1);
	transition: left 0.35s cubic-bezier(0.22, 1.2, 0.36, 1),
		top 0.35s cubic-bezier(0.22, 1.2, 0.36, 1),
		box-shadow 0.4s, filter 0.3s;
}
.erlang-ball:active {
	cursor: grabbing;
}
.erlang-ball.is-dragging {
	animation: none;
	transition: none;
}

/* 聊天窗打开：球体外发光增强 */
.erlang-ball.is-active {
	box-shadow:
		0 0 0 1px rgba(130, 190, 255, 0.38),
		0 0 26px rgba(90, 150, 255, 0.6),
		0 0 62px rgba(120, 90, 255, 0.42),
		inset 0 0 18px rgba(120, 160, 255, 0.35),
		inset 0 -8px 16px rgba(0, 0, 0, 0.5);
}

/* Siri 虚空光环：三层镂空 conic 渐变环，不同速度与方向旋转 */
.erlang-ball__halo {
	position: absolute;
	border-radius: 50%;
	pointer-events: none;
}
.erlang-ball__halo--a {
	inset: -10%;
	background: conic-gradient(transparent 0deg, transparent 40deg, rgba(80, 200, 255, 0.95) 92deg, transparent 150deg, transparent 205deg, rgba(140, 110, 255, 0.9) 265deg, transparent 320deg);
	-webkit-mask: radial-gradient(circle, transparent 60%, #000 66%, #000 73%, transparent 80%);
	mask: radial-gradient(circle, transparent 60%, #000 66%, #000 73%, transparent 80%);
	filter: blur(1px) brightness(1.3) saturate(1.6);
	animation: erlang-spin 2.6s linear infinite;
}
.erlang-ball__halo--b {
	inset: 4%;
	background: conic-gradient(from 120deg, transparent 0deg, transparent 70deg, rgba(255, 120, 210, 0.8) 120deg, transparent 180deg, rgba(85, 180, 255, 0.9) 235deg, transparent 300deg);
	-webkit-mask: radial-gradient(circle, transparent 50%, #000 56%, #000 63%, transparent 70%);
	mask: radial-gradient(circle, transparent 50%, #000 56%, #000 63%, transparent 70%);
	filter: blur(1px) brightness(1.2) saturate(1.6);
	animation: erlang-spin-r 3.6s linear infinite;
}
.erlang-ball__halo--c {
	inset: 16%;
	background: conic-gradient(from 220deg, rgba(110, 170, 255, 0.55), transparent 35%, rgba(150, 120, 255, 0.5) 60%, transparent 90%);
	-webkit-mask: radial-gradient(circle, transparent 55%, #000 62%, #000 72%, transparent 80%);
	mask: radial-gradient(circle, transparent 55%, #000 62%, #000 72%, transparent 80%);
	filter: blur(2.5px);
	animation: erlang-spin 9.5s linear infinite;
}

/* 中心虚空暗核（呼吸脉冲） */
.erlang-ball__void {
	position: absolute;
	inset: 0;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(8, 11, 24, 0.92) 0%, rgba(8, 11, 24, 0.55) 45%, transparent 68%);
	pointer-events: none;
	animation: erlang-void-pulse 2.8s ease-in-out infinite;
}

/* 顶部高光 */
.erlang-ball__shine {
	position: absolute;
	left: 15%;
	top: 8%;
	width: 40%;
	height: 25%;
	border-radius: 50%;
	z-index: 3;
	pointer-events: none;
	background: linear-gradient(rgba(255, 255, 255, 0.5), transparent);
	filter: blur(3px);
	transform: rotate(-18deg);
}

/* ============ 竖向灵眼：竖椭圆渐变体，scaleX 挤合控制开合 ============ */
.erlang-ball__eye {
	position: absolute;
	left: 50%;
	top: 50%;
	width: 22px;
	height: 27px;
	margin: -13.5px 0 0 -11px;
	border-radius: 50%;
	z-index: 2;
	pointer-events: none;
	background: linear-gradient(#bfeeff 0%, #57b7ff 42%, #7a63ff 100%);
	box-shadow:
		0 0 10px rgba(95, 175, 255, 0.9),
		0 0 22px rgba(120, 100, 255, 0.55),
		inset 0 0 7px rgba(255, 255, 255, 0.85);
	transform: scaleX(0.13);
	transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.38s;
}
.erlang-ball__eye-pupil {
	position: absolute;
	left: 50%;
	top: 50%;
	width: 7px;
	height: 9px;
	margin: -4.5px 0 0 -3.5px;
	border-radius: 50%;
	background: radial-gradient(circle at 40% 35%, #ffffff, #cfeaff 45%, #8fb7ff 100%);
	box-shadow: 0 0 6px #ffffff, 0 0 14px #bfe9ff;
	opacity: 0;
	transform: scale(0.4);
	transition: opacity 0.3s 0.05s, transform 0.3s 0.05s;
}

/* 悬停 / 拖动：半睁眼 */
.erlang-ball.is-hover .erlang-ball__eye,
.erlang-ball.is-dragging .erlang-ball__eye {
	transform: scaleX(0.42);
}

/* 聊天窗打开：全睁眼 + 闪烁呼吸 */
.erlang-ball.is-active .erlang-ball__eye {
	transform: scaleX(1);
	animation: erlang-eye-glow 1.8s ease-in-out infinite;
}
.erlang-ball.is-active .erlang-ball__eye-pupil {
	opacity: 1;
	transform: scale(1);
	animation: erlang-pupil-float 3.2s ease-in-out infinite;
}

/* ============ 贴边半藏：戴耳机客服窥视 ============ */
.erlang-peek {
	position: fixed;
	width: 60px;
	height: 132px;
	overflow: hidden;
	cursor: pointer;
	pointer-events: auto;
	z-index: 999989;
	-webkit-tap-highlight-color: transparent;
}
.erlang-peek[hidden] {
	display: none;
}
.erlang-peek__svg {
	position: absolute;
	top: 6px;
	width: 112px;
	height: 122px;
	filter: drop-shadow(0 6px 14px rgba(40, 60, 130, 0.25));
	animation: erlang-peek-bob 2.6s ease-in-out infinite;
	transition: transform 0.25s ease;
}
.erlang-peek--right {
	right: 0;
}
.erlang-peek--right .erlang-peek__svg {
	right: -58px;
	transform: rotate(-13deg);
}
.erlang-peek--left {
	left: 0;
}
.erlang-peek--left .erlang-peek__svg {
	left: -58px;
	transform: rotate(13deg);
}
.erlang-peek--right:hover .erlang-peek__svg {
	transform: rotate(-13deg) translate(-8px, 3px);
}
.erlang-peek--left:hover .erlang-peek__svg {
	transform: rotate(13deg) translate(8px, 3px);
}
.erlang-peek.is-entering--right .erlang-peek__svg {
	animation: erlang-peek-in-right 0.45s cubic-bezier(0.22, 1.2, 0.36, 1), erlang-peek-bob 2.6s ease-in-out 0.5s infinite;
}
.erlang-peek.is-entering--left .erlang-peek__svg {
	animation: erlang-peek-in-left 0.45s cubic-bezier(0.22, 1.2, 0.36, 1), erlang-peek-bob 2.6s ease-in-out 0.5s infinite;
}

/* 半藏时隐藏球 */
.erlang-ai-root.is-peeking .erlang-ball {
	opacity: 0;
	pointer-events: none;
}

/* ============ 玻璃拟态聊天窗 ============ */
.erlang-chat {
	position: fixed;
	right: 24px;
	bottom: 108px;
	width: 380px;
	max-width: calc(100vw - 24px);
	height: min(600px, 74vh);
	display: flex;
	flex-direction: column;
	border-radius: 22px;
	overflow: hidden;
	pointer-events: auto;
	background: rgba(255, 255, 255, 0.55);
	-webkit-backdrop-filter: blur(22px) saturate(160%);
	backdrop-filter: blur(22px) saturate(160%);
	border: 1px solid rgba(255, 255, 255, 0.6);
	box-shadow: 0 20px 55px rgba(20, 30, 70, 0.28);
	transform-origin: bottom right;
	opacity: 0;
	transform: scale(0.92) translateY(14px);
	transition: opacity 0.28s ease, transform 0.28s cubic-bezier(0.22, 1.1, 0.36, 1);
	z-index: 999995;
	color: var(--erlang-ink);
}
.erlang-chat.is-open {
	opacity: 1;
	transform: scale(1) translateY(0);
}
.erlang-ai-root.on-left .erlang-chat {
	right: auto;
	left: 24px;
	transform-origin: bottom left;
}
.erlang-ai-root.below .erlang-chat {
	transform-origin: top right;
}
.erlang-ai-root.on-left.below .erlang-chat {
	transform-origin: top left;
}
.erlang-chat[hidden] {
	display: none;
}

/* 头部 */
.erlang-chat__header {
	display: flex;
	align-items: center;
	gap: 11px;
	padding: 14px 14px 12px 16px;
	background: rgba(255, 255, 255, 0.38);
	border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}
.erlang-chat__avatar {
	flex: 0 0 auto;
	width: 44px;
	height: 44px;
	border-radius: 50%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
	background: linear-gradient(135deg, #4f8bff 0%, #7a5cff 100%);
	box-shadow: 0 6px 16px rgba(90, 100, 255, 0.4);
}
.erlang-chat__avatar span {
	display: block;
	width: 18px;
	height: 3px;
	border-radius: 3px;
	background: #fff;
}
.erlang-chat__heading {
	flex: 1 1 auto;
	min-width: 0;
}
.erlang-chat__title {
	display: block;
	font-size: 16.5px;
	font-weight: 700;
	color: #242d47;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.erlang-chat__status {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 12.5px;
	color: var(--erlang-muted);
}
.erlang-chat__status-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #43d39e;
	box-shadow: 0 0 0 3px rgba(67, 211, 158, 0.18);
	animation: erlang-status-breathe 2s ease-in-out infinite;
}
.erlang-chat__icon {
	flex: 0 0 auto;
	width: 34px;
	height: 34px;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: #8a95b4;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.2s, color 0.2s;
	padding: 0;
}
.erlang-chat__icon:hover {
	background: rgba(110, 125, 180, 0.14);
	color: #4f5d86;
}

/* 消息区 */
.erlang-chat__body {
	flex: 1 1 auto;
	overflow-y: auto;
	padding: 16px 14px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	scrollbar-width: thin;
	scrollbar-color: var(--erlang-cyan) transparent;
}
.erlang-chat__body::-webkit-scrollbar {
	width: 8px;
}
.erlang-chat__body::-webkit-scrollbar-track {
	background: transparent;
}
.erlang-chat__body::-webkit-scrollbar-thumb {
	border-radius: 8px;
	border: 2px solid transparent;
	background-clip: padding-box;
	background-image: repeating-linear-gradient(
		45deg,
		#37c7ff 0,
		#37c7ff 6px,
		#ff5fb0 6px,
		#ff5fb0 12px
	);
}
.erlang-msg {
	display: flex;
	width: 100%;
}
.erlang-msg--ai {
	justify-content: flex-start;
}
.erlang-msg--user {
	justify-content: flex-end;
}
.erlang-msg__bubble {
	max-width: 82%;
	padding: 11px 14px;
	font-size: 14px;
	word-break: break-word;
	white-space: pre-wrap;
}
.erlang-msg__bubble--ai {
	background: rgba(244, 246, 252, 0.92);
	color: #3b4565;
	border-radius: 16px 16px 16px 5px;
	border: 1px solid rgba(255, 255, 255, 0.7);
}
.erlang-msg__bubble--user {
	background: linear-gradient(135deg, #4f7cff 0%, #7a5cff 100%);
	color: #fff;
	border-radius: 16px 16px 5px 16px;
	box-shadow: 0 6px 16px rgba(90, 100, 255, 0.32);
}

/* 输入中 */
.erlang-typing {
	display: inline-flex;
	gap: 5px;
	padding: 13px 16px;
	border-radius: 16px 16px 16px 5px;
	background: rgba(244, 246, 252, 0.92);
	border: 1px solid rgba(255, 255, 255, 0.7);
}
.erlang-typing span {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: #93a0c4;
	animation: erlang-typing 1.1s ease-in-out infinite;
}
.erlang-typing span:nth-child(2) {
	animation-delay: 0.18s;
}
.erlang-typing span:nth-child(3) {
	animation-delay: 0.36s;
}

/* 底部输入 */
.erlang-chat__footer {
	display: flex;
	align-items: flex-end;
	gap: 10px;
	padding: 12px 14px 14px;
	background: rgba(255, 255, 255, 0.35);
	border-top: 1px solid rgba(255, 255, 255, 0.5);
}
.erlang-chat__input {
	flex: 1 1 auto;
	resize: none;
	border: 0;
	outline: none;
	max-height: 96px;
	padding: 11px 16px;
	border-radius: 22px;
	font-size: 14px;
	font-family: inherit;
	color: #2b3550;
	background: rgba(255, 255, 255, 0.82);
	box-shadow: inset 0 0 0 1px rgba(180, 190, 220, 0.35);
	transition: box-shadow 0.2s;
}
.erlang-chat__input::placeholder {
	color: #9aa4c2;
}
.erlang-chat__input:focus {
	box-shadow: inset 0 0 0 2px rgba(96, 120, 255, 0.55);
}
.erlang-chat__send {
	flex: 0 0 auto;
	width: 46px;
	height: 46px;
	border: 0;
	border-radius: 50%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	background: linear-gradient(135deg, #4f7cff 0%, #7a5cff 100%);
	box-shadow: 0 8px 18px rgba(90, 100, 255, 0.4);
	transition: transform 0.18s, box-shadow 0.18s;
	padding: 0;
}
.erlang-chat__send:hover {
	transform: translateY(-2px) scale(1.04);
	box-shadow: 0 10px 22px rgba(90, 100, 255, 0.5);
}
.erlang-chat__send:active {
	transform: scale(0.95);
}

/* ============ 移动端 ============ */
@media (max-width: 520px) {
	.erlang-ball {
		width: 54px;
		height: 54px;
	}
	.erlang-chat {
		left: 12px !important;
		right: 12px !important;
		bottom: 12px;
		width: auto;
		height: 72vh;
		border-radius: 20px;
		transform-origin: bottom center;
	}
	.erlang-peek {
		width: 52px;
		height: 112px;
	}
	.erlang-peek__svg {
		width: 96px;
		height: 105px;
	}
	.erlang-peek--right .erlang-peek__svg {
		right: -50px;
	}
	.erlang-peek--left .erlang-peek__svg {
		left: -50px;
	}
}

/* ============ 深色系统偏好（仅做基础适配，不依赖主题） ============ */
@media (prefers-color-scheme: dark) {
	.erlang-chat {
		background: rgba(22, 28, 50, 0.62);
		border-color: rgba(255, 255, 255, 0.12);
	}
	.erlang-chat__header,
	.erlang-chat__footer {
		background: rgba(255, 255, 255, 0.05);
		border-color: rgba(255, 255, 255, 0.08);
	}
	.erlang-chat__title {
		color: #eef2ff;
	}
	.erlang-chat__input {
		background: rgba(255, 255, 255, 0.1);
		color: #eef2ff;
		box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
	}
	.erlang-chat__input::placeholder {
		color: rgba(220, 228, 255, 0.45);
	}
	.erlang-msg__bubble--ai,
	.erlang-typing {
		background: rgba(255, 255, 255, 0.1);
		color: #dfe6ff;
		border-color: rgba(255, 255, 255, 0.1);
	}
}

/* ============ 减弱动效偏好 ============ */
@media (prefers-reduced-motion: reduce) {
	.erlang-ball,
	.erlang-ball__halo,
	.erlang-ball__void,
	.erlang-ball__eye,
	.erlang-ball__eye-pupil,
	.erlang-peek__svg,
	.erlang-chat__status-dot,
	.erlang-typing span {
		animation: none !important;
	}
	.erlang-chat {
		transition: none;
	}
}

/* ============ 关键帧 ============ */
@keyframes erlang-spin {
	to { transform: rotate(360deg); }
}
@keyframes erlang-spin-r {
	to { transform: rotate(-360deg); }
}
@keyframes erlang-void-pulse {
	0%, 100% { opacity: 0.85; }
	50% { opacity: 1; }
}
@keyframes erlang-orb-in {
	0% { opacity: 0; transform: scale(0.3) rotate(-30deg); }
	100% { opacity: 1; transform: scale(1) rotate(0deg); }
}
@keyframes erlang-eye-glow {
	0%, 100% { filter: brightness(1); }
	50% { filter: brightness(1.28); }
}
@keyframes erlang-pupil-float {
	0%, 100% { transform: scale(1) translateY(0); }
	50% { transform: scale(1) translateY(-1.5px); }
}
@keyframes erlang-status-breathe {
	0%, 100% { box-shadow: 0 0 0 3px rgba(67, 211, 158, 0.18); }
	50% { box-shadow: 0 0 0 5px rgba(67, 211, 158, 0.08); }
}
@keyframes erlang-typing {
	0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
	30% { transform: translateY(-5px); opacity: 1; }
}
@keyframes erlang-peek-bob {
	0%, 100% { margin-top: 0; }
	50% { margin-top: -5px; }
}
@keyframes erlang-peek-in-right {
	from { transform: rotate(-13deg) translate(72px, 26px); }
	to { transform: rotate(-13deg) translate(0, 0); }
}
@keyframes erlang-peek-in-left {
	from { transform: rotate(13deg) translate(-72px, 26px); }
	to { transform: rotate(13deg) translate(0, 0); }
}