style.css

:root {
	--bg-app: #000000;
	--panel-bg: rgba(28, 28, 30, 0.75);
	--panel-border: rgba(255, 255, 255, 0.08);
	
	--text-primary: #f2f2f7;
	--text-secondary: #aeaeb2;
	--text-desc: #636366;
	
	--input-bg: rgba(0, 0, 0, 0.2);
	--input-border: rgba(255, 255, 255, 0.1);
	
	--accent: #0a84ff;
	--accent-hover: #409cff;
	--danger: #ff453a;
	--success: #30d158;
	
	--radius: 8px;
	--font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	
	--ease-fluid: cubic-bezier(0.25, 0.1, 0.25, 1);
	--ease-snappy: cubic-bezier(0.19, 1, 0.22, 1);
	--ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
	
	--anim-fast: 0.25s;
	--anim-med: 0.5s;
	
	color-scheme: dark;
}

* {
	box-sizing: border-box;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	scrollbar-width: thin;
	scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
}

body, html {
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	background-color: var(--bg-app);
	overflow: hidden;
	overscroll-behavior: none;
	position: fixed;
	font-family: var(--font-ui);
	color: var(--text-primary);
	font-size: 13px;
	user-select: none;
	-webkit-user-select: none;
	-webkit-tap-highlight-color: transparent;
	touch-action: none;
}

canvas {
	display: block;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 0;
	touch-action: none;
	outline: none;
	-webkit-touch-callout: none;
	image-rendering: smooth;
}

i {
	image-rendering: smooth;
}

#controlPanel {
	position: absolute;
	top: 20px;
	left: 20px;
	width: 380px;
	max-height: calc(100vh - 40px);
	background-color: var(--panel-bg);
	border: 1px solid var(--panel-border);
	border-radius: var(--radius);
	display: flex;
	flex-direction: column;
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
	backdrop-filter: blur(30px) saturate(180%);
	-webkit-backdrop-filter: blur(30px) saturate(180%);
	z-index: 10;
	transition: 
		width var(--anim-med) var(--ease-snappy),
		height var(--anim-med) var(--ease-snappy),
		opacity var(--anim-med) var(--ease-snappy),
		transform var(--anim-med) var(--ease-snappy),
		border-radius var(--anim-med) var(--ease-snappy);
	overflow: hidden;
	will-change: width, height, transform;
}

#panelHeader {
	padding: 14px 16px;
	background-color: rgba(255, 255, 255, 0.02);
	border-bottom: 1px solid var(--panel-border);
	display: flex;
	justify-content: space-between;
	align-items: center;
	cursor: grab;
	user-select: none;
	flex-shrink: 0;
	transition: background-color 0.2s ease;
}

#panelHeader:active { cursor: grabbing; }

.app-title {
	font-weight: 800;
	font-size: 12px;
	letter-spacing: 1.5px;
	color: var(--text-primary);
	text-transform: uppercase;
}

#togglePanelBtn {
	background: none;
	border: none;
	color: var(--text-secondary);
	cursor: pointer;
	padding: 4px;
}
#togglePanelBtn:hover { color: var(--text-primary); }

@keyframes icon-pop-in {
	0% { transform: scale(0.7) rotate(-30deg); opacity: 0; }
	80% { transform: scale(1.2) rotate(10deg); opacity: 1; }
	100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
.icon-pop-in {
	animation: icon-pop-in 0.35s var(--ease-spring);
}

.tab-bar {
	display: flex;
	background-color: rgba(0, 0, 0, 0.1);
	border-bottom: 1px solid var(--panel-border);
	flex-shrink: 0;
	padding: 0 4px;
}

.tab-btn {
	flex: 1;
	background: none;
	border: none;
	padding: 12px 0;
	color: var(--text-secondary);
	cursor: pointer;
	font-size: 16px;
	position: relative;
	transition: color var(--anim-fast) var(--ease-fluid), transform var(--anim-fast) var(--ease-snappy), text-shadow var(--anim-fast) var(--ease-fluid);
}

.tab-btn::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	width: 0;
	height: 2px;
	background-color: var(--accent);
	transition: width 0.3s var(--ease-fluid), left 0.3s var(--ease-fluid);
}

.tab-btn.active {
	color: var(--accent);
	transform: scale(1.1);
	text-shadow: 0 0 15px rgba(0,0,0,0.4);
}

.tab-btn::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	width: 0;
	height: 3px;
	background-color: var(--accent);
	border-radius: 3px 3px 0 0;
	transition: width var(--anim-fast) var(--ease-snappy), left var(--anim-fast) var(--ease-snappy), background-color var(--anim-fast) var(--ease-fluid);
	transform: translateX(-50%);
}

.tab-btn.active::after {
	width: 40%;
	left: 50%;
}

.tab-btn:hover {
	transform: scale(1.25);
	text-shadow: 0 0 15px rgba(0,0,0,0.4);
}

.tab-btn.active:hover {
	transform: scale(1.1);
}

select {
	appearance: none;
	-webkit-appearance: none;
	-moz-appearance: none;
	background-color: rgba(30, 30, 32, 0.7);
	border: 1px solid var(--input-border);
	color: var(--text-primary);
	border-radius: 6px;
	padding: 6px 28px 6px 8px;
	font-family: var(--font-ui);
	font-size: 11px;
	width: 100%;
	cursor: pointer;
	outline: none;
	transition: border-color var(--anim-fast) var(--ease-fluid), box-shadow var(--anim-fast) var(--ease-fluid), background-color var(--anim-fast) var(--ease-fluid);
	
	background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23aeaeb2' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
	background-repeat: no-repeat;
	background-position: right 6px center;
	background-size: 12px;
}

select:focus {
	border-color: var(--accent);
	background-color: rgba(30, 30, 32, 0.9);
	box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.2);
}

select option {
	background-color: #1c1c1e;
	color: var(--text-primary);
}

#panelContent {
	padding: 15px;
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: 16px;
	touch-action: pan-y;
	flex: 1;
	min-height: 0;
}

.tab-pane {
	display: none;
	flex-direction: column;
	gap: 16px;
}

.tab-pane.active {
	display: flex;
	animation: tabSlideIn var(--anim-med) var(--ease-snappy) forwards;
}

@keyframes tabSlideIn {
	from {
		opacity: 0;
		transform: translateY(15px) scale(0.98);
	}
	to {
		opacity: 1;
		transform: translateY(0) scale(1);
	}
}

::-webkit-scrollbar {
	width: 3px;
	height: 3px;
}
::-webkit-scrollbar-track {
	background: transparent;
}
::-webkit-scrollbar-thumb {
	background: rgba(255, 255, 255, 0.25);
	border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
	background: rgba(255, 255, 255, 0.4);
}
::-webkit-scrollbar-corner {
	background: transparent;
}

#controlPanel.collapsed {
	height: auto;
	width: auto;
	min-width: 150px;
	max-height: auto;
	opacity: 0.7;
	transform: scale(0.99);
	transition: all 0.2s ease;
}
#controlPanel.collapsed #panelContent,
#controlPanel.collapsed .tab-bar {
	display: none;
}

.control-section {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.section-header, .section-header-2 {
	font-size: 11px;
	font-weight: 700;
	color: var(--text-secondary);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	margin-bottom: 6px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.section-header-2 {
	font-size: 9px;
	font-weight: 500;
	opacity: 0.85;
}

.tech-desc {
	font-size: 10px;
	color: var(--text-desc);
	line-height: 1.4;
	margin: 4px 0 0 0;
	padding-left: 8px;
	border-left: 2px solid var(--panel-border);
	font-style: normal;
}

.btn-group {
	display: flex;
	gap: 8px;
}
.btn {
	flex: 1;
	border: 1px solid var(--panel-border);
	background: rgba(255,255,255,0.05);
	color: var(--text-primary);
	padding: 8px;
	border-radius: var(--radius);
	font-size: 11px;
	font-weight: 600;
	cursor: pointer;
	transition: all var(--anim-fast) var(--ease-fluid);
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	transform: scale(1);
}
.btn:hover { 
	background: rgba(255,255,255,0.1); 
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn.primary { background: rgba(45, 140, 240, 0.1); border-color: rgba(45, 140, 240, 0.3); color: var(--accent); }
.btn.primary:hover { background: rgba(45, 140, 240, 0.2); }

.btn.danger { background: rgba(214, 48, 49, 0.1); border-color: rgba(214, 48, 49, 0.3); color: var(--danger); }
.btn.danger:hover { background: rgba(214, 48, 49, 0.2); }

.btn.action { 
	background: var(--success); 
	color: #fff; 
	border: none; 
	margin-top: 5px;
	padding: 10px;
}
.btn.action:hover { background: #2ecc71; }

.btn.secondary { width: 100%; }

.btn-icon {
	background: none;
	border: none;
	color: var(--accent);
	cursor: pointer;
	font-size: 12px;
}
.btn-icon:hover { color: var(--accent-hover); }

.btn:active {
	transform: scale(0.98);
	background: rgba(0,0,0,0.1);
}

.grid-2-col {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	gap: 8px;
}
.input-wrapper {
	display: flex;
	flex-direction: column;
}
.input-wrapper label {
	font-size: 9px;
	color: var(--text-secondary);
	margin-bottom: 2px;
}
input[type="number"], input[type="text"] {
	background: var(--input-bg);
	border: 1px solid var(--input-border);
	border-radius: 6px;
	color: var(--text-primary);
	padding: 6px 8px;
	font-family: monospace;
	font-size: 11px;
	width: 100%;
	transition: border-color var(--anim-fast) var(--ease-fluid), background-color var(--anim-fast) var(--ease-fluid), box-shadow var(--anim-fast) var(--ease-fluid);
}
input[type="number"]:focus, input[type="text"]:focus {
	outline: none;
	border-color: var(--accent);
	background-color: rgba(10, 132, 255, 0.1);
	box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.2);
}

.control-row {
	display: flex;
	justify-content: space-between;
	font-size: 11px;
	color: var(--text-secondary);
}
.value-display {
	color: var(--accent);
	font-family: monospace;
}
input[type=range] {
	-webkit-appearance: none;
	appearance: none;
	width: 100%;
	background: transparent;
	margin: 8px 0;
	cursor: pointer;
}

input[type=range]:focus {
	outline: none;
}
input[type=range]::-webkit-slider-runnable-track {
	width: 100%;
	height: 6px;
	background: #3a3a3a;
	border-radius: 3px;
	border: 1px solid #555;
}
input[type=range]::-webkit-slider-thumb {
	-webkit-appearance: none;
	height: 14px;
	width: 14px;
	border-radius: 50%;
	background: var(--accent);
	margin-top: -5px;
	box-shadow: 0 1px 3px rgba(0,0,0,0.5);
	transition: background 0.2s, transform 0.1s;
}
input[type=range]::-webkit-slider-thumb:hover {
	background: var(--accent-hover);
	transform: scale(1.1);
}
input[type=range]::-moz-range-track {
	width: 100%;
	height: 6px;
	background: #3a3a3a;
	border-radius: 3px;
	border: 1px solid #555;
}

input[type=range]::-moz-range-thumb {
	-webkit-appearance: none;
	height: 14px;
	width: 14px;
	border-radius: 50%;
	background: var(--accent);
	margin-top: -5px;
	box-shadow: 0 1px 3px rgba(0,0,0,0.5);
	transition: background 0.2s, transform 0.1s;
}
input[type=range]::-moz-range-thumb:hover {
	background: var(--accent-hover);
	transform: scale(1.1);
}

.toggle-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	cursor: pointer;
	font-size: 12px;
	min-height: 24px;
}
.toggle-row input { display: none; }
.toggle-switch {
	width: 36px;
	height: 20px;
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid var(--panel-border);
	border-radius: 20px;
	position: relative;
	transition: background-color var(--anim-fast) var(--ease-fluid), border-color var(--anim-fast) var(--ease-fluid);
}
.toggle-switch::after {
	content: '';
	position: absolute;
	top: 2px;
	left: 2px;
	width: 14px;
	height: 14px;
	background: #fff;
	border-radius: 50%;
	transition: transform var(--anim-fast) var(--ease-spring), background-color var(--anim-fast) var(--ease-fluid);
	box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.toggle-row input:checked + .toggle-switch {
	background: var(--accent);
	border-color: var(--accent);
}
.toggle-row input:checked + .toggle-switch::after {
	transform: translateX(16px);
	background: #fff;
}

.divider { height: 1px; background: var(--panel-border); width: 100%; margin: 4px 0; }
.divider-sub { height: 1px; background: var(--panel-border); width: 100%; margin: 8px 0; opacity: 0.5; }

#bodiesListContainer {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin-top: 5px;
}

.body-card {
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid var(--panel-border);
	border-left: 3px solid var(--accent);
	border-radius: var(--radius);
	padding: 8px;
	display: flex;
	flex-direction: column;
	gap: 6px;
	transition: background-color 0.2s var(--ease-fluid), border-color 0.2s var(--ease-fluid), transform 0.2s var(--ease-snappy), box-shadow 0.2s var(--ease-fluid);
}

.body-card {
	cursor: grab;
}
.body-card:active {
	cursor: grabbing;
}
.body-card.dragging {
	opacity: 0.5;
	border-style: dashed;
}

.body-name-input {
	background: transparent;
	border: none;
	color: var(--text-primary);
	font-size: 10px;
	font-weight: 700;
	text-transform: uppercase;
	width: 80px;
	font-family: inherit;
	padding: 0;
	margin: 0;
	cursor: text;
}
.body-name-input:focus {
	outline: none;
	border-bottom: 1px solid var(--accent);
}

.body-color-wrapper {
	position: relative;
	width: 10px;
	height: 10px;
	display: inline-block;
}

.body-card.selected {
	background: rgba(45, 140, 240, 0.15);
	border-color: var(--accent);
	box-shadow: 0 0 10px rgba(45, 140, 240, 0.1);
}

.color-input-hidden {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	cursor: pointer;
	padding: 0;
	margin: 0;
	border: none;
}

.card-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 2px;
}

.body-id {
	font-size: 10px;
	font-weight: 700;
	color: var(--text-primary);
	text-transform: uppercase;
	display: flex;
	align-items: center;
	gap: 6px;
}

.body-color-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	box-shadow: 0 0 4px currentColor;
	pointer-events: none;
	position: absolute;
	top: 0;
	left: 0;
}

.btn-delete {
	background: transparent;
	border: none;
	color: var(--text-secondary);
	cursor: pointer;
	font-size: 10px;
	padding: 2px 4px;
}
.btn-delete:hover { color: var(--danger); }

.btn-icon.active {
	color: var(--accent-hover);
	background-color: rgba(45, 140, 240, 0.2);
	border-radius: var(--radius);
	padding: 2px 4px;
}

.card-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 4px;
}

.mini-input-group {
	display: flex;
	flex-direction: column;
}

.mini-input-group label {
	font-size: 8px;
	color: var(--text-secondary);
	margin-bottom: 1px;
}

.mini-input-group input {
	background: rgba(0,0,0,0.3);
	border: 1px solid var(--input-border);
	color: var(--text-primary);
	font-size: 10px;
	padding: 3px;
	border-radius: calc(var(--radius) / 2);
	font-family: monospace;
	width: 100%;
}
.mini-input-group input:focus {
	border-color: var(--accent);
	outline: none;
}

.mini-input-group input[type="range"] {
	background: transparent;
	border: none;
	padding: 0;
}

.toggle-header { cursor: pointer; }
#injectionContent { transition: all 0.3s ease; overflow: hidden; }
.hidden-content {
	display: none !important;
}

#displayContent {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.field-card {
	background: rgba(45, 140, 240, 0.05);
	border: 1px solid rgba(45, 140, 240, 0.3);
	border-radius: var(--radius);
	padding: 8px;
	margin-top: 8px;
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.field-card-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.field-card-header h4 {
	margin: 0;
	font-size: 11px;
	color: var(--accent);
}

.field-input-group {
	display: flex;
	flex-direction: column;
	gap: 2px;
}
.field-input-group label {
	font-size: 9px;
	color: var(--text-secondary);
	text-transform: uppercase;
}
.field-input-group input {
	padding: 4px;
	font-size: 10px;
}

.zone-card {
	background: rgba(255, 255, 255, 0.03);
	border: 1px dashed var(--text-secondary);
	border-radius: var(--radius);
	padding: 8px;
	display: flex;
	flex-direction: column;
	gap: 6px;
}
.zone-card.active {
	border-color: var(--accent);
	background: rgba(45, 140, 240, 0.1);
}
.zone-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.zone-name {
	font-size: 11px;
	font-weight: 700;
	color: var(--text-primary);
	background: transparent;
	border: none;
	width: 100px;
}
.zone-name:focus { outline: none; border-bottom: 1px solid var(--accent); }

.body-card:hover, .zone-card:hover, .field-card:hover {
	background: rgba(255, 255, 255, 0.06);
}

button, input, select, label, .btn, .toggle-row {
	touch-action: manipulation;
}

footer {
	margin-top: auto;
	padding-top: 15px;
	border-top: 1px solid var(--panel-border);
	color: var(--text-desc);
	font-size: 10px;
	text-align: center;
	width: 100%;
}

footer p {
	margin: 0;
	line-height: 1.5;
}

footer a {
	color: var(--text-secondary);
	text-decoration: none;
	transition: color 0.2s;
}

footer a:hover {
	color: var(--text-primary);
	text-decoration: underline;
}

.info-section .section-header {
	cursor: pointer;
	padding: 4px 0;
}

.info-section .info-content {
	padding-left: 10px;
	border-left: 2px solid var(--panel-border);
	font-size: 11px;
	color: var(--text-secondary);
	line-height: 1.6;
}

.info-content h4 {
	font-size: 12px;
	color: var(--text-primary);
	margin-top: 12px;
	margin-bottom: 6px;
}

.info-content ul {
	padding-left: 15px;
	margin: 5px 0;
}

.info-content li {
	margin-bottom: 8px;
}

.info-content kbd {
	background-color: rgba(255, 255, 255, 0.1);
	border: 1px solid var(--panel-border);
	border-radius: 3px;
	padding: 1px 4px;
	font-family: monospace;
	font-size: 10px;
	margin: 0 2px;
}

.info-content a {
	color: var(--accent);
	text-decoration: none;
}
.info-content a:hover {
	text-decoration: underline;
}

@media (max-width: 850px) {
	.section-header {
		font-size: 13px;
		margin-bottom: 8px;
	}
	
	.section-header-2 {
		font-size: 12px;
		margin-bottom: 5px;
		margin-top: 8px;
	}
	
	#controlPanel {
		top: 5px;
		width: 400px;
		max-height: calc(100vh - 10px);
	}
	
	#controlPanel {
		left: 5px !important;
		right: auto !important;
	}
	
	#controlPanel.collapsed {
		width: auto;
		min-width: 150px;
	}

	.btn {
		padding: 10px;
	}
	
	input[type=range]::-webkit-slider-thumb {
		height: 20px;
		width: 20px;
		margin-top: -8px;
	}
	
	input[type="number"], 
	input[type="text"], 
	select,
	.body-name-input,
	.zone-name,
	.barrier-name,
	.bond-name,
	.inp-field-name,
	.inp-formula-x,
	.inp-formula-y {
		font-size: 13px !important;
	}
	
	.card-grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (max-width: 400px) {
	#controlPanel {
		top: 5px;
		width: calc(100vw - 10px);
		max-height: calc(100vh - 10px);
	}
	
	#controlPanel.collapsed {
		width: calc(50vw - 7.5px);
		min-width: 150px;
	}
}