.ecv-wrap {
	--ecv-primary: #6366f1;
	--ecv-primary-2: #06b6d4;
	--ecv-bg: #ffffff;
	--ecv-bg-soft: #f8fafc;
	--ecv-border: #e5e7eb;
	--ecv-text: #1f2937;
	--ecv-text-soft: #6b7280;
	--ecv-radius: 14px;
	--ecv-height: 200px;

	box-sizing: border-box;
	max-width: 960px;
	margin: 24px auto;
	font-size: 14px;
	line-height: 1.5;
	color: var(--ecv-text);
}

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

.ecv-card {
	background: var(--ecv-bg);
	border: 1px solid var(--ecv-border);
	border-radius: var(--ecv-radius);
	padding: 20px;
	box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

/* 头部 */
.ecv-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
	margin-bottom: 16px;
}

.ecv-title {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-size: 17px;
	font-weight: 700;
	letter-spacing: .2px;
}

.ecv-logo {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: 10px;
	color: #fff;
	background: linear-gradient(135deg, var(--ecv-primary), var(--ecv-primary-2));
	box-shadow: 0 6px 16px rgba(99, 102, 241, .35);
}

/* 实时开关 */
.ecv-switch {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	cursor: pointer;
	user-select: none;
	color: var(--ecv-text-soft);
	font-size: 13px;
}

.ecv-switch input {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
}

.ecv-slider {
	position: relative;
	display: inline-block;
	width: 38px;
	height: 22px;
	border-radius: 999px;
	background: #d1d5db;
	transition: background .25s;
}

.ecv-slider::after {
	content: "";
	position: absolute;
	top: 2px;
	left: 2px;
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: #fff;
	box-shadow: 0 2px 4px rgba(0, 0, 0, .2);
	transition: transform .25s;
}

.ecv-switch input:checked + .ecv-slider {
	background: linear-gradient(135deg, var(--ecv-primary), var(--ecv-primary-2));
}

.ecv-switch input:checked + .ecv-slider::after {
	transform: translateX(16px);
}

/* 控件区 */
.ecv-controls {
	display: flex;
	gap: 10px;
	margin-bottom: 16px;
	flex-wrap: wrap;
}

.ecv-select-wrap {
	position: relative;
	flex: 1 1 260px;
}

.ecv-select-wrap::after {
	content: "";
	position: absolute;
	right: 14px;
	top: 50%;
	width: 8px;
	height: 8px;
	border-right: 2px solid var(--ecv-text-soft);
	border-bottom: 2px solid var(--ecv-text-soft);
	transform: translateY(-70%) rotate(45deg);
	pointer-events: none;
}

.ecv-select {
	width: 100%;
	appearance: none;
	-webkit-appearance: none;
	padding: 11px 40px 11px 14px;
	border: 1px solid var(--ecv-border);
	border-radius: 10px;
	background: var(--ecv-bg-soft);
	color: var(--ecv-text);
	font-size: 14px;
	cursor: pointer;
	transition: border-color .2s, box-shadow .2s;
}

.ecv-select:focus {
	outline: none;
	border-color: var(--ecv-primary);
	box-shadow: 0 0 0 3px rgba(99, 102, 241, .15);
}

/* 按钮 */
.ecv-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 10px 16px;
	border: 1px solid var(--ecv-border);
	border-radius: 10px;
	background: var(--ecv-bg-soft);
	color: var(--ecv-text);
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	transition: transform .15s, box-shadow .2s, background .2s, border-color .2s;
}

.ecv-btn:hover {
	border-color: #cbd5e1;
	transform: translateY(-1px);
	box-shadow: 0 6px 14px rgba(15, 23, 42, .08);
}

.ecv-btn:active {
	transform: translateY(0);
}

.ecv-btn-primary {
	border: none;
	color: #fff;
	background: linear-gradient(135deg, var(--ecv-primary), var(--ecv-primary-2));
	box-shadow: 0 8px 20px rgba(99, 102, 241, .3);
}

.ecv-btn-primary:hover {
	box-shadow: 0 10px 24px rgba(99, 102, 241, .4);
}

.ecv-btn[disabled] {
	opacity: .65;
	cursor: not-allowed;
	transform: none;
}

.ecv-btn.ecv-loading::after {
	content: "";
	width: 12px;
	height: 12px;
	margin-left: 4px;
	border-radius: 50%;
	border: 2px solid rgba(255, 255, 255, .5);
	border-top-color: #fff;
	animation: ecv-spin .7s linear infinite;
}

@keyframes ecv-spin {
	to { transform: rotate(360deg); }
}

/* 输入/输出网格 */
.ecv-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 14px;
}

.ecv-pane {
	display: flex;
	flex-direction: column;
	border: 1px solid var(--ecv-border);
	border-radius: 12px;
	background: var(--ecv-bg-soft);
	overflow: hidden;
	transition: border-color .2s, box-shadow .2s;
}

.ecv-pane:focus-within {
	border-color: var(--ecv-primary);
	box-shadow: 0 0 0 3px rgba(99, 102, 241, .12);
}

.ecv-pane-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 8px 12px;
	font-size: 12px;
	color: var(--ecv-text-soft);
	border-bottom: 1px solid var(--ecv-border);
	background: rgba(148, 163, 184, .06);
}

.ecv-pane-title {
	font-weight: 600;
	color: var(--ecv-text);
}

.ecv-count {
	font-variant-numeric: tabular-nums;
}

.ecv-textarea {
	width: 100%;
	min-height: var(--ecv-height);
	padding: 12px 14px;
	border: none;
	background: transparent;
	color: var(--ecv-text);
	font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
	font-size: 13px;
	line-height: 1.6;
	resize: vertical;
	outline: none;
	word-break: break-all;
}

.ecv-output {
	color: var(--ecv-primary);
}

/* 底部操作 */
.ecv-actions {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-top: 16px;
	flex-wrap: wrap;
}

.ecv-status {
	margin-left: auto;
	font-size: 12px;
	color: var(--ecv-text-soft);
	transition: color .2s;
}

.ecv-status-ok { color: #10b981; }
.ecv-status-warn { color: #f59e0b; }
.ecv-status-error { color: #ef4444; }

/* 响应式 */
@media (max-width: 720px) {
	.ecv-grid {
		grid-template-columns: 1fr;
	}
	.ecv-actions {
		gap: 8px;
	}
	.ecv-status {
		margin-left: 0;
		width: 100%;
	}
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
	.ecv-wrap {
		--ecv-bg: #0f172a;
		--ecv-bg-soft: #1e293b;
		--ecv-border: #334155;
		--ecv-text: #f1f5f9;
		--ecv-text-soft: #94a3b8;
	}

	.ecv-card {
		box-shadow: 0 10px 30px rgba(0, 0, 0, .4);
	}

	.ecv-slider {
		background: #475569;
	}

	.ecv-btn:hover {
		border-color: #475569;
		box-shadow: 0 6px 14px rgba(0, 0, 0, .35);
	}
}


/* 新增：图片预览区域样式 */
.ecv-image-preview {
	background: var(--ecv-bg-soft);
	border-radius: 10px;
	border: 1px dashed var(--ecv-border);
	padding: 16px;
	margin-top: 10px;
}

.ecv-image-preview img {
	max-width: 100%;
	max-height: 300px;
	border-radius: 8px;
	border: 1px solid var(--ecv-border);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	background: #fff; /* 防止透明背景的 PNG 看不清 */
	margin-bottom: 12px;
	object-fit: contain;
}

.ecv-image-preview .ecv-btn {
	display: inline-block;
	padding: 8px 16px;
	font-size: 13px;
}

/* 深色模式下图片预览的微调 */
@media (prefers-color-scheme: dark) {
	.ecv-image-preview {
		background: #1e293b;
	}
	.ecv-image-preview img {
		border-color: #334155;
	}
}


/* 图片预览区 */
.ecv-image-preview {
	background: var(--ecv-bg-soft);
	border-radius: 10px;
	border: 1px dashed var(--ecv-border);
	padding: 16px;
	margin-top: 10px;
}
.ecv-image-preview img {
	max-width: 100%;
	max-height: 300px;
	border-radius: 8px;
	border: 1px solid var(--ecv-border);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	background: #fff;
	margin-bottom: 12px;
	object-fit: contain;
}
.ecv-image-preview .ecv-btn {
	display: inline-block;
	padding: 8px 16px;
	font-size: 13px;
}

/* 输入框拖拽高亮 */
.ecv-input {
	transition: outline-color .15s;
}

@media (prefers-color-scheme: dark) {
	.ecv-image-preview { background: #1e293b; }
	.ecv-image-preview img { border-color: #334155; }
}

/* 输入面板需要 position:relative 才能放遮罩 */
.ecv-pane {
	position: relative;
}

/* 拖拽遮罩层 */
.ecv-drop-overlay {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(99, 102, 241, 0.08);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
	border: 2px dashed var(--ecv-primary);
	border-radius: 12px;
	pointer-events: none;
	z-index: 5;
}

.ecv-drop-inner {
	text-align: center;
	padding: 16px;
	max-width: 100%;
}

.ecv-drop-thumb {
	display: block;
	max-width: 180px;
	max-height: 120px;
	margin: 0 auto 10px;
	border-radius: 8px;
	background: #fff;
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
	object-fit: contain;
}

.ecv-drop-icon {
	font-size: 52px;
	line-height: 1;
	margin-bottom: 8px;
	filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.ecv-drop-name {
	font-size: 13px;
	font-weight: 600;
	color: var(--ecv-text);
	margin-bottom: 4px;
	word-break: break-all;
	max-width: 260px;
	margin-left: auto;
	margin-right: auto;
}

.ecv-drop-hint {
	font-size: 12px;
	color: var(--ecv-primary);
	font-weight: 600;
	letter-spacing: .3px;
}

/* 带 Data URI 前缀复选框 */
.ecv-prefix-toggle {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 12px;
	border-radius: 8px;
	font-size: 13px;
	color: var(--ecv-text-soft);
	cursor: pointer;
	user-select: none;
	transition: background .15s;
	white-space: nowrap;
}

.ecv-prefix-toggle:hover {
	background: var(--ecv-bg-soft);
}

.ecv-prefix-toggle input {
	margin: 0;
	accent-color: var(--ecv-primary);
	cursor: pointer;
}

/* 深色模式微调 */
@media (prefers-color-scheme: dark) {
	.ecv-drop-overlay {
		background: rgba(99, 102, 241, 0.15);
	}
	.ecv-drop-thumb {
		background: #1e293b;
	}
}


/* 输入面板相对定位，用于拖拽遮罩 */
.ecv-pane { position: relative; }

/* 拖拽遮罩 */
.ecv-drop-overlay {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(99, 102, 241, 0.08);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
	border: 2px dashed var(--ecv-primary);
	border-radius: 12px;
	pointer-events: none;
	z-index: 5;
}
.ecv-drop-inner { text-align: center; padding: 16px; max-width: 100%; }
.ecv-drop-thumb {
	display: block;
	max-width: 180px;
	max-height: 120px;
	margin: 0 auto 10px;
	border-radius: 8px;
	background: #fff;
	box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
	object-fit: contain;
}
.ecv-drop-icon {
	font-size: 52px;
	line-height: 1;
	margin-bottom: 8px;
	filter: drop-shadow(0 4px 8px rgba(0, 0, 0, .1));
}
.ecv-drop-name {
	font-size: 13px;
	font-weight: 600;
	color: var(--ecv-text);
	margin-bottom: 4px;
	word-break: break-all;
	max-width: 260px;
	margin-left: auto;
	margin-right: auto;
}
.ecv-drop-hint {
	font-size: 12px;
	color: var(--ecv-primary);
	font-weight: 600;
	letter-spacing: .3px;
}

/* Data URI 前缀复选框 */
.ecv-prefix-toggle {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 12px;
	border-radius: 8px;
	font-size: 13px;
	color: var(--ecv-text-soft);
	cursor: pointer;
	user-select: none;
	transition: background .15s;
	white-space: nowrap;
}
.ecv-prefix-toggle:hover { background: var(--ecv-bg-soft); }
.ecv-prefix-toggle input { margin: 0; accent-color: var(--ecv-primary); cursor: pointer; }

/* ===== 统一预览区（图片 + 文件卡片）===== */
.ecv-file-preview {
	margin-top: 10px;
	padding: 16px;
	border: 1px dashed var(--ecv-border);
	border-radius: 12px;
	background: var(--ecv-bg-soft);
	text-align: center;
}
.ecv-pv-image img {
	max-width: 100%;
	max-height: 300px;
	border-radius: 8px;
	border: 1px solid var(--ecv-border);
	box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
	background: #fff;
	object-fit: contain;
	margin-bottom: 12px;
}

/* 文件卡片 */
.ecv-pv-file {
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 14px 16px;
	margin-bottom: 12px;
	border-radius: 10px;
	background: var(--ecv-bg);
	border: 1px solid var(--ecv-border);
	text-align: left;
}
.ecv-pv-icon {
	font-size: 38px;
	line-height: 1;
	flex: 0 0 auto;
}
.ecv-pv-info { flex: 1 1 auto; min-width: 0; }
.ecv-pv-name {
	font-size: 14px;
	font-weight: 700;
	color: var(--ecv-text);
	word-break: break-all;
	margin-bottom: 4px;
}
.ecv-pv-meta {
	font-size: 12px;
	color: var(--ecv-text-soft);
}
.ecv-pv-actions .ecv-btn { padding: 9px 18px; }

@media (prefers-color-scheme: dark) {
	.ecv-drop-overlay { background: rgba(99, 102, 241, 0.15); }
	.ecv-drop-thumb { background: #1e293b; }
	.ecv-pv-image img { background: #1e293b; }
}


/* 拖拽遮罩超限报错样式 */
.ecv-drop-overlay.is-error {
	background: rgba(239, 68, 68, 0.12);
	border-color: #ef4444;
}
.ecv-drop-overlay.is-error .ecv-drop-hint {
	color: #ef4444;
}
.ecv-drop-overlay.is-error .ecv-drop-thumb {
	opacity: 0.5;
	filter: grayscale(0.6);
}