:root {
	--canvas_primary-gradient: linear-gradient(135deg, #4AA9FE 0%, #76DCFE 100%);
	--canvas_bg-color: #F5F5F7;
	--canvas_card-bg: #ffffff;
	--canvas_text-primary: #333333;
	--canvas_text-secondary: #666666;
	--canvas_border-color: #e0e0e0;
	--canvas_shadow: 0 8px 24px rgba(74, 169, 254, 0.15);
	--canvas_shadow-hover: 0 12px 32px rgba(74, 169, 254, 0.25);
	--canvas_success: #2ed573;
	--canvas_danger: #ff4757;
	--canvas_warning: #ffa502;
	--canvas_info: #4AA9FE;
}

#page_canvas{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	background: var(--canvas_bg-color);
	min-height: 100vh;
	overflow-x: hidden;
}

.canvas_container {
	max-width: 1400px;
	margin: 0 auto;
	animation: canvas_fadeInUp 0.6s ease-out;
}

/* 工具栏 */
.canvas_toolbar {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	padding: 15px 20px;
	box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
	z-index: 1000;
	animation: canvas_slideUp 0.5s ease-out 0.1s;
	animation-fill-mode: both;
}

.canvas_tool-groups {
	display: flex;
	gap: 8px;
	flex-wrap: nowrap;
	justify-content: center;
	align-items: center;
	overflow-x: auto;
	overflow-y: hidden;
	padding: 5px 0;
}

.canvas_tool-groups::-webkit-scrollbar {
	height: 4px;
}

.canvas_tool-groups::-webkit-scrollbar-thumb {
	background: #4AA9FE;
	border-radius: 2px;
}

.canvas_tool-group {
	display: flex;
	gap: 6px;
	padding: 8px;
	background: #f9f9f9;
	border-radius: 15px;
	align-items: center;
	flex-shrink: 0;
}

.canvas_tool-label {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--canvas_text-secondary);
	margin-right: 5px;
}

.canvas_tool-btn {
	width: 42px;
	height: 42px;
	padding: 0;
	background: white;
	color: var(--canvas_text-primary);
	border: 2px solid var(--canvas_border-color);
	border-radius: 10px;
	font-size: 0.9rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.3s ease;
	display: flex;
	align-items: center;
	justify-content: center;
	white-space: nowrap;
	flex-shrink: 0;
}

.canvas_tool-btn:hover {
	border-color: #4AA9FE;
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(74, 169, 254, 0.2);
}

.canvas_tool-btn.canvas_active {
	background: var(--canvas_primary-gradient);
	color: white;
	border-color: transparent;
	box-shadow: 0 4px 15px rgba(74, 169, 254, 0.3);
}

.canvas_tool-btn i {
	font-size: 1.2rem;
}

.canvas_tool-btn span {
	display: none;
}

/* 特殊按钮样式 */
.canvas_btn-check {
	border-color: var(--canvas_success);
	color: var(--canvas_success);
}

.canvas_btn-check:hover,
.canvas_btn-check.canvas_active {
	background: var(--canvas_success);
	color: white;
}

.canvas_btn-cross {
	border-color: var(--canvas_danger);
	color: var(--canvas_danger);
}

.canvas_btn-cross:hover,
.canvas_btn-cross.canvas_active {
	background: var(--canvas_danger);
	color: white;
}

.canvas_btn-warning {
	border-color: var(--canvas_warning);
	color: var(--canvas_warning);
}

.canvas_btn-warning:hover,
.canvas_btn-warning.canvas_active {
	background: var(--canvas_warning);
	color: white;
}

.canvas_btn-praise {
	border-color: #ff6b81;
	color: #ff6b81;
}

.canvas_btn-praise:hover,
.canvas_btn-praise.canvas_active {
	background: #ff6b81;
	color: white;
}

.canvas_btn-save {
	background: var(--canvas_primary-gradient);
	color: white;
	border: none;
}

.canvas_btn-save:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(74, 169, 254, 0.4);
}

.canvas_btn-reset {
	background: linear-gradient(135deg, #ff4757 0%, #ff6b81 100%);
	color: white;
	border: none;
}

.canvas_btn-reset:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(255, 71, 87, 0.4);
}

.canvas_btn-enhance {
	background: linear-gradient(135deg, #a29bfe 0%, #6c5ce7 100%);
	color: white;
	border: none;
}

.canvas_btn-enhance:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

.canvas_btn-enhance.canvas_active {
	background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
}

/* 大小调整滑动条 */
.canvas_size-control {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 15px;
	background: #f9f9f9;
	border-radius: 15px;
	justify-content: center;
}

.canvas_size-label {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--canvas_text-secondary);
	min-width: 70px;
}

.canvas_size-close-btn {
	width: 28px;
	height: 28px;
	padding: 0;
	background: white;
	color: var(--canvas_text-secondary);
	border: 2px solid var(--canvas_border-color);
	border-radius: 8px;
	cursor: pointer;
	transition: all 0.3s ease;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}

.canvas_size-close-btn:hover {
	border-color: #ff4757;
	color: #ff4757;
	transform: scale(1.1);
}

.canvas_size-close-btn i {
	font-size: 0.9rem;
}

.canvas_size-slider {
	width: 150px;
	height: 6px;
	border-radius: 3px;
	background: linear-gradient(to right, #4AA9FE, #76DCFE);
	outline: none;
	-webkit-appearance: none;
	cursor: pointer;
}

.canvas_size-slider::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: white;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
	cursor: pointer;
	transition: all 0.3s ease;
}

.canvas_size-slider::-webkit-slider-thumb:hover {
	transform: scale(1.2);
	box-shadow: 0 4px 12px rgba(74, 169, 254, 0.4);
}

.canvas_size-slider::-moz-range-thumb {
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: white;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
	cursor: pointer;
	border: none;
	transition: all 0.3s ease;
}

.canvas_size-slider::-moz-range-thumb:hover {
	transform: scale(1.2);
	box-shadow: 0 4px 12px rgba(74, 169, 254, 0.4);
}

.canvas_size-value {
	font-size: 0.9rem;
	font-weight: 600;
	color: var(--canvas_text-primary);
	min-width: 30px;
	text-align: center;
}

/* Canvas区域 */
.canvas_canvas-wrapper {
	background: var(--canvas_card-bg);
	border-radius: 20px;
	padding: 30px;
	padding-bottom: 20px;
	margin-bottom: 180px;
	box-shadow: var(--canvas_shadow);
	animation: canvas_fadeInUp 0.5s ease-out 0.2s;
	animation-fill-mode: both;
	overflow: auto;
}

.canvas_canvas-container {
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 400px;
	background: #f9f9f9;
	border-radius: 15px;
	padding: 20px;
	position: relative;
}

#canvas_mainCanvas {
	max-width: 100%;
	height: auto;
	border-radius: 10px;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
	cursor: crosshair;
	transition: transform 0.3s ease;
}

#canvas_mainCanvas:hover {
	transform: scale(1.01);
}

/* 动画 */
@keyframes canvas_fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes canvas_fadeInDown {
	from {
		opacity: 0;
		transform: translateY(-30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes canvas_slideInLeft {
	from {
		opacity: 0;
		transform: translateX(-30px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes canvas_slideUp {
	from {
		opacity: 0;
		transform: translateY(100px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* 响应式设计 */
@media (max-width: 768px) {
	#page_canvas {
		padding-top: 30px;
		padding-bottom: 30px;
	}
	.canvas_title {
		font-size: 2rem;
	}

	.canvas_canvas-wrapper {
		padding: 20px;
		border-radius: 15px;
		margin-bottom: 80px;
	}

	/* 顶部工具栏 */
	.canvas_toolbar-top {
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		background: rgba(255, 255, 255, 0.95);
		backdrop-filter: blur(10px);
		-webkit-backdrop-filter: blur(10px);
		padding: 10px;
		box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
		z-index: 1;
		display: flex;
		gap: 6px;
		justify-content: center;
		flex-wrap: wrap;
	}

	/* 底部工具栏 */
	.canvas_toolbar {
		padding: 10px;
	}

	.canvas_tool-groups {
		justify-content: center;
	}

	.canvas_tool-btn {
		width: 38px;
		height: 38px;
	}

	.canvas_tool-label {
		display: none;
	}

	.canvas_tool-group {
		gap: 5px;
		padding: 0;
		background: transparent;
	}

	.canvas_size-slider {
		width: 100px;
	}

	.canvas_size-label {
		min-width: 60px;
		font-size: 0.8rem;
	}

	.canvas_size-control {
		margin-top: 8px;
		padding: 8px 12px;
	}
}

@media (max-width: 480px) {
	body {
		padding-top: 65px;
	}

	.canvas_title {
		font-size: 1.75rem;
	}

	.canvas_toolbar-top {
		padding: 8px;
		gap: 5px;
	}

	.canvas_tool-btn {
		width: 36px;
		height: 36px;
	}

	.canvas_tool-btn i {
		font-size: 1rem;
	}

	.canvas_tool-group {
		gap: 4px;
		padding: 0;
	}

	.canvas_size-slider {
		width: 80px;
	}

	.canvas_size-label {
		min-width: 50px;
		font-size: 0.75rem;
	}

	.canvas_size-value {
		font-size: 0.85rem;
	}

	.canvas_size-close-btn {
		width: 24px;
		height: 24px;
	}

	.canvas_canvas-wrapper {
		margin-bottom: 70px;
	}
}

/* Toast样式 */
.canvas_toast {
	position: fixed;
	top: 20px;
	left: 50%;
	transform: translateX(-50%) translateY(-100px);
	background: rgba(0, 0, 0, 0.85);
	color: white;
	padding: 15px 30px;
	border-radius: 50px;
	font-size: 0.95rem;
	z-index: 9999;
	opacity: 0;
	transition: all 0.3s ease;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.canvas_toast.canvas_show {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

/* 文本输入框 */
.canvas_text-input-modal {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.5);
	display: none;
	justify-content: center;
	align-items: center;
	z-index: 10000;
	animation: canvas_fadeIn 0.3s ease-out;
}

.canvas_text-input-modal.canvas_show {
	display: flex;
}

.canvas_text-input-box {
	background: white;
	padding: 30px;
	border-radius: 20px;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
	min-width: 400px;
	max-width: 90%;
	animation: canvas_slideInUp 0.3s ease-out;
}

.canvas_text-input-title {
	font-size: 1.3rem;
	font-weight: 600;
	margin-bottom: 20px;
	color: var(--canvas_text-primary);
}

.canvas_text-input-field {
	width: 100%;
	padding: 12px 15px;
	font-size: 1rem;
	border: 2px solid var(--canvas_border-color);
	border-radius: 12px;
	margin-bottom: 20px;
	outline: none;
	transition: all 0.3s ease;
}

.canvas_text-input-field:focus {
	border-color: #4AA9FE;
	box-shadow: 0 0 0 4px rgba(74, 169, 254, 0.1);
}

.canvas_text-input-buttons {
	display: flex;
	gap: 10px;
	justify-content: flex-end;
}

.canvas_text-input-btn {
	padding: 10px 24px;
	border: none;
	border-radius: 10px;
	font-size: 0.95rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.3s ease;
}

.canvas_text-input-btn-cancel {
	background: #e0e0e0;
	color: var(--canvas_text-primary);
}

.canvas_text-input-btn-cancel:hover {
	background: #d0d0d0;
}

.canvas_text-input-btn-confirm {
	background: var(--canvas_primary-gradient);
	color: white;
}

.canvas_text-input-btn-confirm:hover {
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(74, 169, 254, 0.3);
}

@keyframes canvas_fadeIn {
	from { opacity: 0; }
	to { opacity: 1; }
}

@keyframes canvas_slideInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

  .canvas_btn-exit {
      background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
      color: white;
      border: none;
  }

  .canvas_btn-exit:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
  }