* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	min-height: 100vh;
	color: #333;
}

.container {
	display: flex;
	flex-direction: column;
	height: 100vh;
}

.header {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	padding: 1rem 2rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.header h1 {
	color: #4a5568;
	font-size: 1.8rem;
	font-weight: 600;
}

.controls {
	display: flex;
	gap: 1rem;
}

.btn {
	padding: 0.5rem 1rem;
	border: none;
	border-radius: 8px;
	cursor: pointer;
	font-weight: 500;
	transition: all 0.3s ease;
	text-decoration: none;
	display: inline-block;
}

.btn-primary {
	background: #4299e1;
	color: white;
}

.btn-primary:hover {
	background: #3182ce;
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(66, 153, 225, 0.4);
}

.btn-secondary {
	background: #718096;
	color: white;
}

.btn-secondary:hover {
	background: #4a5568;
	transform: translateY(-2px);
}

.btn-danger {
	background: #e53e3e;
	color: white;
}

.btn-danger:hover {
	background: #c53030;
	transform: translateY(-2px);
}

.btn-outline {
	background: transparent;
	color: #4299e1;
	border: 2px solid #4299e1;
}

.btn-outline:hover {
	background: #4299e1;
	color: white;
}

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

.main-content {
	display: flex;
	flex: 1;
	overflow: hidden;
}

.toolbar {
	width: 100px;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	padding: 1rem 0.75rem;
	border-right: 1px solid rgba(255, 255, 255, 0.2);
	overflow: visible;
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.toolbar-section {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.5rem;
}

.toolbar-label {
	font-size: 0.7rem;
	font-weight: 600;
	color: #718096;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	writing-mode: horizontal-tb;
	text-align: center;
	line-height: 1.2;
}

.icon-toolbar {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	align-items: center;
	width: 100%;
}

.icon-btn {
	width: 44px;
	height: 44px;
	border: none;
	border-radius: 8px;
	background: white;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.3s ease;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	border: 2px solid transparent;
	position: relative;
}

.icon-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
	border-color: #4299e1;
}

.icon-btn.active {
	background: #4299e1;
	border-color: #3182ce;
	transform: translateY(-1px);
}

.icon-btn.active:hover {
	background: #3182ce;
}

/* Tooltip enhancements */
.icon-btn::after {
	content: attr(title);
	position: absolute;
	left: 100%;
	top: 50%;
	transform: translateY(-50%);
	margin-left: 8px;
	padding: 6px 8px;
	background: rgba(0, 0, 0, 0.8);
	color: white;
	font-size: 0.7rem;
	border-radius: 4px;
	white-space: nowrap;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.3s ease;
	z-index: 1000;
}

.icon-btn:hover::after {
	opacity: 1;
}

/* Object Icons */
.icon-triangle {
	width: 0;
	height: 0;
	border-left: 12px solid transparent;
	border-right: 12px solid transparent;
	border-bottom: 20px solid #48bb78;
}

.icon-btn.active .icon-triangle {
	border-bottom-color: white;
}

.icon-box {
	width: 24px;
	height: 24px;
	background: #4299e1;
	border-radius: 3px;
}

.icon-btn.active .icon-box {
	background: white;
}

.icon-pole {
	width: 4px;
	height: 28px;
	background: #8b4513;
	border-radius: 2px;
	position: relative;
}

.icon-pole::before {
	content: "";
	position: absolute;
	top: 2px;
	left: -6px;
	width: 16px;
	height: 2px;
	background: #4a5568;
	border-radius: 1px;
}

.icon-pole::after {
	content: "";
	position: absolute;
	top: 6px;
	left: -6px;
	width: 16px;
	height: 2px;
	background: #4a5568;
	border-radius: 1px;
}

.icon-btn.active .icon-pole {
	background: white;
}

.icon-btn.active .icon-pole::before,
.icon-btn.active .icon-pole::after {
	background: white;
}

.icon-end {
	width: 20px;
	height: 20px;
	border: 3px solid #e53e3e;
	border-radius: 50%;
	position: relative;
}

.icon-end::before {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 8px;
	height: 8px;
	background: #e53e3e;
	border-radius: 50%;
}

.icon-btn.active .icon-end {
	border-color: white;
}

.icon-btn.active .icon-end::before {
	background: white;
}

/* Cable Icons */
.icon-underground {
	width: 24px;
	height: 3px;
	background: #2d3748;
	border-radius: 1.5px;
	position: relative;
}

.icon-underground::before {
	content: "";
	position: absolute;
	top: -3px;
	left: 0;
	width: 100%;
	height: 1px;
	background: repeating-linear-gradient(
		to right,
		#2d3748 0px,
		#2d3748 2px,
		transparent 2px,
		transparent 4px
	);
}

.icon-btn.active .icon-underground {
	background: white;
}

.icon-btn.active .icon-underground::before {
	background: repeating-linear-gradient(
		to right,
		white 0px,
		white 2px,
		transparent 2px,
		transparent 4px
	);
}

.icon-overhead {
	width: 24px;
	height: 2px;
	background: #2d3748;
	border-radius: 1px;
}

.icon-btn.active .icon-overhead {
	background: white;
}

/* Tool Icons */
.icon-select {
	width: 20px;
	height: 20px;
	border: 2px solid #4a5568;
	border-radius: 2px;
	position: relative;
}

.icon-select::before {
	content: "";
	position: absolute;
	top: 2px;
	left: 2px;
	width: 8px;
	height: 8px;
	border: 1px solid #4a5568;
	border-radius: 1px;
}

.icon-btn.active .icon-select {
	border-color: white;
}

.icon-btn.active .icon-select::before {
	border-color: white;
}

.icon-delete {
	width: 20px;
	height: 20px;
	position: relative;
}

.icon-delete::before,
.icon-delete::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	width: 20px;
	height: 2px;
	background: #e53e3e;
	border-radius: 1px;
}

.icon-delete::before {
	transform: translate(-50%, -50%) rotate(45deg);
}

.icon-delete::after {
	transform: translate(-50%, -50%) rotate(-45deg);
}

.icon-btn.active .icon-delete::before,
.icon-btn.active .icon-delete::after {
	background: white;
}

/* Alignment Icons */
.icon-align-left {
	width: 20px;
	height: 16px;
	position: relative;
}

.icon-align-left::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 2px;
	background: #4a5568;
	border-radius: 1px;
	box-shadow: 0 4px 0 #4a5568, 0 8px 0 #4a5568, 0 12px 0 #4a5568;
}

.icon-btn.active .icon-align-left::before {
	background: white;
	box-shadow: 0 4px 0 white, 0 8px 0 white, 0 12px 0 white;
}

.icon-align-center {
	width: 20px;
	height: 16px;
	position: relative;
}

.icon-align-center::before {
	content: "";
	position: absolute;
	top: 0;
	left: 2px;
	width: 16px;
	height: 2px;
	background: #4a5568;
	border-radius: 1px;
	box-shadow: 0 4px 0 #4a5568, 0 8px 0 #4a5568, 0 12px 0 #4a5568;
}

.icon-btn.active .icon-align-center::before {
	background: white;
	box-shadow: 0 4px 0 white, 0 8px 0 white, 0 12px 0 white;
}

.icon-align-right {
	width: 20px;
	height: 16px;
	position: relative;
}

.icon-align-right::before {
	content: "";
	position: absolute;
	top: 0;
	right: 0;
	width: 100%;
	height: 2px;
	background: #4a5568;
	border-radius: 1px;
	box-shadow: 0 4px 0 #4a5568, 0 8px 0 #4a5568, 0 12px 0 #4a5568;
}

.icon-btn.active .icon-align-right::before {
	background: white;
	box-shadow: 0 4px 0 white, 0 8px 0 white, 0 12px 0 white;
}

.icon-align-top {
	width: 16px;
	height: 20px;
	position: relative;
}

.icon-align-top::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 2px;
	height: 100%;
	background: #4a5568;
	border-radius: 1px;
	box-shadow: 4px 0 0 #4a5568, 8px 0 0 #4a5568, 12px 0 0 #4a5568;
}

.icon-btn.active .icon-align-top::before {
	background: white;
	box-shadow: 4px 0 0 white, 8px 0 0 white, 12px 0 0 white;
}

.icon-align-middle {
	width: 16px;
	height: 20px;
	position: relative;
}

.icon-align-middle::before {
	content: "";
	position: absolute;
	top: 2px;
	left: 0;
	width: 2px;
	height: 16px;
	background: #4a5568;
	border-radius: 1px;
	box-shadow: 4px 0 0 #4a5568, 8px 0 0 #4a5568, 12px 0 0 #4a5568;
}

.icon-btn.active .icon-align-middle::before {
	background: white;
	box-shadow: 4px 0 0 white, 8px 0 0 white, 12px 0 0 white;
}

.icon-align-bottom {
	width: 16px;
	height: 20px;
	position: relative;
}

.icon-align-bottom::before {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 2px;
	height: 100%;
	background: #4a5568;
	border-radius: 1px;
	box-shadow: 4px 0 0 #4a5568, 8px 0 0 #4a5568, 12px 0 0 #4a5568;
}

.icon-btn.active .icon-align-bottom::before {
	background: white;
	box-shadow: 4px 0 0 white, 8px 0 0 white, 12px 0 0 white;
}

.icon-distribute-h {
	width: 20px;
	height: 16px;
	position: relative;
}

.icon-distribute-h::before {
	content: "";
	position: absolute;
	top: 7px;
	left: 0;
	width: 4px;
	height: 2px;
	background: #4a5568;
	border-radius: 1px;
	box-shadow: 8px 0 0 #4a5568, 16px 0 0 #4a5568;
}

.icon-distribute-h::after {
	content: "";
	position: absolute;
	top: 2px;
	left: 2px;
	width: 1px;
	height: 12px;
	background: #4a5568;
	border-radius: 0.5px;
	box-shadow: 8px 0 0 #4a5568, 16px 0 0 #4a5568;
}

.icon-btn.active .icon-distribute-h::before {
	background: white;
	box-shadow: 8px 0 0 white, 16px 0 0 white;
}

.icon-btn.active .icon-distribute-h::after {
	background: white;
	box-shadow: 8px 0 0 white, 16px 0 0 white;
}

.icon-distribute-v {
	width: 16px;
	height: 20px;
	position: relative;
}

.icon-distribute-v::before {
	content: "";
	position: absolute;
	top: 0;
	left: 7px;
	width: 2px;
	height: 4px;
	background: #4a5568;
	border-radius: 1px;
	box-shadow: 0 8px 0 #4a5568, 0 16px 0 #4a5568;
}

.icon-distribute-v::after {
	content: "";
	position: absolute;
	top: 2px;
	left: 2px;
	width: 12px;
	height: 1px;
	background: #4a5568;
	border-radius: 0.5px;
	box-shadow: 0 8px 0 #4a5568, 0 16px 0 #4a5568;
}

.icon-btn.active .icon-distribute-v::before {
	background: white;
	box-shadow: 0 8px 0 white, 0 16px 0 white;
}

.icon-btn.active .icon-distribute-v::after {
	background: white;
	box-shadow: 0 8px 0 white, 0 16px 0 white;
}

.icon-auto-arrange {
	width: 20px;
	height: 20px;
	position: relative;
}

.icon-auto-arrange::before {
	content: "";
	position: absolute;
	top: 2px;
	left: 2px;
	width: 6px;
	height: 6px;
	border: 2px solid #4a5568;
	border-radius: 1px;
	box-shadow: 10px 0 0 #4a5568, 0 10px 0 #4a5568, 10px 10px 0 #4a5568;
}

.icon-btn.active .icon-auto-arrange::before {
	border-color: white;
	box-shadow: 10px 0 0 white, 0 10px 0 white, 10px 10px 0 white;
}

.canvas-container {
	flex: 1;
	position: relative;
	background: rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(5px);
	border-radius: 0 0 0 20px;
	overflow: hidden;
}

#canvas {
	width: 100%;
	height: 100%;
	background: white;
	cursor: default;
	border-radius: 0 0 0 20px;
}

.properties-panel {
	width: 300px;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	padding: 1.5rem;
	border-left: 1px solid rgba(255, 255, 255, 0.2);
	overflow-y: auto;
}

.properties-panel h3 {
	color: #4a5568;
	margin-bottom: 1rem;
}

.no-selection {
	color: #718096;
	font-style: italic;
	text-align: center;
	padding: 2rem 0;
}

.property-group {
	margin-bottom: 1.5rem;
	padding: 1rem;
	background: white;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.property-group h4 {
	color: #4a5568;
	margin-bottom: 0.5rem;
	font-size: 0.9rem;
	text-transform: uppercase;
	letter-spacing: 1px;
}

.property-group input,
.property-group textarea,
.property-group select {
	width: 100%;
	padding: 0.5rem;
	border: 1px solid #e2e8f0;
	border-radius: 4px;
	font-size: 0.9rem;
	margin-bottom: 0.5rem;
}

.property-group textarea {
	resize: vertical;
	min-height: 60px;
}

.tooltip {
	position: fixed;
	background: rgba(0, 0, 0, 0.9);
	color: white;
	padding: 0.5rem;
	border-radius: 4px;
	font-size: 0.8rem;
	pointer-events: none;
	z-index: 999999;
	display: none;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
	border: 1px solid rgba(255, 255, 255, 0.2);
	max-width: 200px;
	word-wrap: break-word;
}

.mode-connect-underground #canvas,
.mode-connect-overhead #canvas {
	cursor: crosshair;
}

.mode-place-triangle #canvas,
.mode-place-box #canvas,
.mode-place-pole #canvas,
.mode-place-end #canvas {
	cursor: copy;
}

.mode-delete #canvas {
	cursor: not-allowed;
}

.mode-select #canvas {
	cursor: default;
}

/* Animation classes */
.shake {
	animation: shake 0.5s ease-in-out;
}

@keyframes shake {
	0%,
	100% {
		transform: translateX(0);
	}
	25% {
		transform: translateX(-5px);
	}
	75% {
		transform: translateX(5px);
	}
}

.pulse {
	animation: pulse 1s infinite;
}

@keyframes pulse {
	0% {
		transform: scale(1);
	}
	50% {
		transform: scale(1.05);
	}
	100% {
		transform: scale(1);
	}
}

/* Connection label styling */
.connection-label {
	background: rgba(255, 255, 255, 0.9);
	border: 1px solid #4a5568;
	border-radius: 4px;
	padding: 2px 6px;
	font-size: 11px;
	color: #4a5568;
	pointer-events: none;
}

.property-group label {
	display: block;
	margin-bottom: 0.25rem;
	font-weight: 500;
	color: #4a5568;
	font-size: 0.85rem;
}

/* Warning styling for overhead cable validation */
.warning {
	color: #d69e2e;
	background-color: #fef5e7;
	border: 1px solid #f6e05e;
	border-radius: 4px;
	padding: 0.5rem;
	margin: 0.5rem 0;
	font-size: 0.85rem;
}

.warning strong {
	color: #c05621;
}

.pole-node {
	background: #4a5568 !important;
	border-color: #2d3748 !important;
}

.cable-box-node {
	background: #4299e1 !important;
	border-color: #2c5282 !important;
}

/* Power system specific styling */
.transformer-preview {
	width: 0;
	height: 0;
	border-left: 15px solid transparent;
	border-right: 15px solid transparent;
	border-bottom: 25px solid #48bb78;
}

.node-preview {
	width: 30px;
	height: 30px;
	background: linear-gradient(45deg, #4299e1 50%, #4a5568 50%);
	border-radius: 4px;
}

/* Node Type Selector Styles */
.node-type-selector {
	display: flex;
	gap: 8px;
	margin: 8px 0;
}

.node-type-btn {
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 8px 12px;
	border: 2px solid #e2e8f0;
	border-radius: 8px;
	background: #f7fafc;
	cursor: pointer;
	transition: all 0.2s ease;
	flex: 1;
	min-height: 60px;
	font-family: inherit;
}

.node-type-btn:hover {
	border-color: #4299e1;
	background: #ebf8ff;
	transform: translateY(-1px);
}

.node-type-btn.active {
	border-color: #3182ce;
	background: #3182ce;
	color: white;
}

.node-type-btn .node-icon {
	font-size: 16px;
	margin-bottom: 4px;
	display: block;
}

.node-type-btn .node-label {
	font-size: 11px;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.node-type-btn.active .node-icon,
.node-type-btn.active .node-label {
	color: white;
}

/* Different colors for each node type when active */
.node-type-btn[data-type="cable_box"].active {
	border-color: #3182ce;
	background: #3182ce;
}

.node-type-btn[data-type="pole"].active {
	border-color: #4a5568;
	background: #4a5568;
}

.node-type-btn[data-type="end_connection"].active {
	border-color: #e53e3e;
	background: #e53e3e;
}

/* Responsive design */
@media (max-width: 1024px) {
	.main-content {
		flex-direction: column;
	}

	.toolbar,
	.properties-panel {
		width: 100%;
		max-height: 200px;
	}

	.canvas-container {
		border-radius: 0;
	}

	#canvas {
		border-radius: 0;
	}
}