/**
 * myQaptcha 2.1 — 滑动解锁样式
 *
 * 默认继承 Moonlight / 通用主题的 CSS 变量（--ml-*），取不到时回退到内置配色；
 * 深色模式跟随主题的 <html data-theme="dark">，无需额外配置。
 * 图标为内联 SVG（箭头 → 对勾），不使用边框拼形状，不会被裁切。
 */

.myqaptcha {
	/* 尺寸 */
	--mq-h: 46px;
	--mq-handle: 38px;

	/* 回退配色 */
	--mq-track-bg: #f4f6f9;
	--mq-track-border: #e4e8ee;
	--mq-track-inset: rgba(16, 24, 40, 0.07);
	--mq-text: #7b838f;
	--mq-handle-bg: #ffffff;
	--mq-handle-border: #dfe3ea;
	--mq-handle-ink: #98a2b3;
	--mq-handle-shadow: rgba(16, 24, 40, 0.18);
	--mq-fill-from: rgba(47, 158, 95, 0.10);
	--mq-fill-to: rgba(47, 158, 95, 0.26);
	--mq-ok: #2f9e5f;
	--mq-ok-2: #35b06b;
	--mq-ok-shadow: rgba(47, 158, 95, 0.32);
	--mq-err: #d9483b;

	box-sizing: border-box;
	width: 100%;
	max-width: 360px;
	margin: 8px 0 2px;
	font-size: 13px;
	line-height: 1.5;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-select: none;
}

/* 主题变量接入（Moonlight 等） */
.myqaptcha {
	--mq-track-bg: var(--ml-code-bg, #f4f6f9);
	--mq-track-border: var(--ml-border, #e4e8ee);
	--mq-text: var(--ml-meta, #7b838f);
	--mq-handle-bg: var(--ml-box, #ffffff);
	--mq-handle-border: var(--ml-border, #dfe3ea);
	--mq-handle-ink: var(--ml-meta, #98a2b3);
	--mq-ok: var(--ml-accent, #2f9e5f);
}

/* Moonlight 的评论表单是 flex 容器，控件需要独占一行 */
.comment-form > .myqaptcha {
	flex: 1 0 100%;
}

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

/* ---------- 轨道 ---------- */
.myqaptcha__track {
	position: relative;
	display: block;
	width: 100%;
	height: var(--mq-h);
	margin: 0;
	border: 1px solid var(--mq-track-border);
	border-radius: 999px;
	background: var(--mq-track-bg);
	box-shadow: inset 0 1px 2px var(--mq-track-inset);
	overflow: hidden;
	transition: border-color 0.25s, box-shadow 0.25s;
}

.myqaptcha__fill {
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	display: block;
	width: 0;
	border-radius: 999px;
	background: linear-gradient(90deg, var(--mq-fill-from), var(--mq-fill-to));
	pointer-events: none;
	transition: background 0.3s;
}

/* 拖动时的流光 */
.myqaptcha__sheen {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	display: block;
	width: 70px;
	pointer-events: none;
	opacity: 0;
	background: linear-gradient(100deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.65) 50%, rgba(255, 255, 255, 0) 100%);
}

.myqaptcha.is-dragging .myqaptcha__sheen {
	animation: myqaptcha-sheen 1.15s linear infinite;
}

@keyframes myqaptcha-sheen {
	0%   { transform: translateX(-80px); opacity: 0; }
	15%  { opacity: 0.85; }
	100% { transform: translateX(380px); opacity: 0; }
}

/* ---------- 提示文字 ---------- */
.myqaptcha__tip {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 calc(var(--mq-handle) + 16px);
	text-align: center;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	color: var(--mq-text);
	font-size: 13px;
	letter-spacing: 0.3px;
	pointer-events: none;
	z-index: 1;
	transition: opacity 0.2s, color 0.25s;
}

/* ---------- 滑块 ---------- */
.myqaptcha__handle {
	position: absolute;
	left: 3px;
	top: 3px;
	display: flex;
	align-items: center;
	justify-content: center;
	width: var(--mq-handle);
	height: var(--mq-handle);
	border-radius: 50%;
	border: 1px solid var(--mq-handle-border);
	background: var(--mq-handle-bg);
	box-shadow: 0 1px 2px var(--mq-handle-shadow);
	color: var(--mq-handle-ink);
	cursor: grab;
	touch-action: none;
	z-index: 2;
	transition: transform 0.26s cubic-bezier(0.22, 0.61, 0.36, 1),
	            background-color 0.25s, border-color 0.25s, color 0.25s, box-shadow 0.25s;
}

.myqaptcha__handle:focus-visible {
	outline: none;
	box-shadow: 0 1px 2px var(--mq-handle-shadow), 0 0 0 3px var(--ml-focus-ring, rgba(43, 95, 163, 0.22));
}

.myqaptcha.is-dragging .myqaptcha__handle {
	cursor: grabbing;
	transition: background-color 0.25s, border-color 0.25s, color 0.25s, box-shadow 0.25s;
	border-color: var(--mq-ok);
	color: var(--mq-ok);
}

/* ---------- 图标 ---------- */
.myqaptcha__icon {
	display: block;
	width: 18px;
	height: 18px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2.2;
	stroke-linecap: round;
	stroke-linejoin: round;
	transition: opacity 0.2s, transform 0.25s;
}

.myqaptcha__icon-check {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	margin: auto;
	opacity: 0;
	transform: scale(0.5);
}

/* ---------- 已解锁 ---------- */
.myqaptcha.is-unlocked .myqaptcha__track {
	border-color: var(--mq-ok);
	box-shadow: inset 0 1px 2px rgba(16, 24, 40, 0.03);
}

.myqaptcha.is-unlocked .myqaptcha__handle {
	background: linear-gradient(135deg, var(--mq-ok), var(--mq-ok-2));
	border-color: var(--mq-ok);
	color: #fff;
	box-shadow: 0 1px 4px var(--mq-ok-shadow);
	cursor: default;
}

.myqaptcha.is-unlocked .myqaptcha__icon-arrow {
	opacity: 0;
	transform: scale(0.5);
}

.myqaptcha.is-unlocked .myqaptcha__icon-check {
	opacity: 1;
	transform: scale(1);
	animation: myqaptcha-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes myqaptcha-pop {
	0%   { transform: scale(0.4); opacity: 0; }
	60%  { transform: scale(1.16); opacity: 1; }
	100% { transform: scale(1); opacity: 1; }
}

.myqaptcha.is-unlocked .myqaptcha__tip {
	color: var(--mq-ok);
	opacity: 1 !important;
}

.myqaptcha.is-unlocked .myqaptcha__sheen {
	animation: none;
	opacity: 0;
}

/* ---------- 出错 ---------- */
.myqaptcha.is-error .myqaptcha__track {
	border-color: var(--mq-err);
}

.myqaptcha.is-error .myqaptcha__tip {
	color: var(--mq-err);
	opacity: 1 !important;
}

.myqaptcha.is-error .myqaptcha__handle {
	border-color: var(--mq-err);
	color: var(--mq-err);
}

.myqaptcha.is-loading .myqaptcha__handle {
	cursor: progress;
}

.myqaptcha.is-reverting .myqaptcha__handle {
	transition: transform 0.26s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.myqaptcha.is-shake .myqaptcha__track {
	animation: myqaptcha-shake 0.34s ease-in-out;
}

@keyframes myqaptcha-shake {
	0%, 100% { transform: translateX(0); }
	20% { transform: translateX(-5px); }
	40% { transform: translateX(5px); }
	60% { transform: translateX(-3px); }
	80% { transform: translateX(3px); }
}

/* ---------- 蜜罐：视觉与读屏均不可见 ---------- */
.myqaptcha__hp {
	position: absolute !important;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/* ---------- 深色模式（跟随主题 data-theme） ---------- */
[data-theme='dark'] .myqaptcha {
	--mq-track-bg: #17263a;
	--mq-track-border: #253d5a;
	--mq-track-inset: rgba(0, 0, 0, 0.30);
	--mq-text: #8698a8;
	--mq-handle-bg: #22354f;
	--mq-handle-border: #2f4a6b;
	--mq-handle-ink: #9fb3c8;
	--mq-handle-shadow: rgba(0, 0, 0, 0.45);
	--mq-fill-from: rgba(35, 192, 200, 0.12);
	--mq-fill-to: rgba(35, 192, 200, 0.30);
	--mq-ok: #23c0c8;
	--mq-ok-2: #2ad4dc;
	--mq-ok-shadow: rgba(35, 192, 200, 0.40);
	--mq-err: #ff8a7a;
}

[data-theme='dark'] .myqaptcha__sheen {
	background: linear-gradient(100deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.16) 50%, rgba(255, 255, 255, 0) 100%);
}

/* ---------- 无障碍：尊重系统减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
	.myqaptcha__handle,
	.myqaptcha__fill,
	.myqaptcha__track,
	.myqaptcha__tip,
	.myqaptcha__icon {
		transition: none !important;
	}
	.myqaptcha.is-shake .myqaptcha__track,
	.myqaptcha.is-dragging .myqaptcha__sheen,
	.myqaptcha.is-unlocked .myqaptcha__icon-check {
		animation: none !important;
	}
}

/* ---------- 窄屏 ---------- */
@media (max-width: 480px) {
	.myqaptcha {
		max-width: 100%;
	}
	.myqaptcha__tip {
		font-size: 12px;
		padding: 0 calc(var(--mq-handle) + 8px);
	}
}