/* graph.css */
/* Main styling for the Graph Drawer application */

:root {
	/* Light Theme (Default) */
	--bg-color: #f7f7fa;
	--container-bg: #fff;
	--container-shadow: rgba(0,0,0,0.08);
	--border-color: #e0e7ef;
	--divider-color: #eee;
	--text-color: #333;
	--text-muted: #888;
	--grid-color: #eee;
	--axis-color: #333;
	--button-bg: #4f8cff;
	--button-hover: #2563eb;
	--button-text: #fff;
	--tooltip-bg: rgba(0,0,0,0.8);
	--tooltip-text: white;
	--canvas-bg: #fff;
}

.dark-theme {
	--bg-color: #121212;
	--container-bg: #1e1e1e;
	--container-shadow: rgba(0,0,0,0.3);
	--border-color: #333;
	--divider-color: #333;
	--text-color: #e0e0e0;
	--text-muted: #aaa;
	--grid-color: #333;
	--axis-color: #888;
	--button-bg: #2d5bc4;
	--button-hover: #3d6ed9;
	--button-text: #fff;
	--tooltip-bg: rgba(40,40,40,0.9);
	--tooltip-text: #e0e0e0;
	--canvas-bg: #2d2d2d;
}

.blue-theme {
	--bg-color: #0f172a;
	--container-bg: #1e293b;
	--container-shadow: rgba(0,0,0,0.3);
	--border-color: #334155;
	--divider-color: #334155;
	--text-color: #e2e8f0;
	--text-muted: #94a3b8;
	--grid-color: #334155;
	--axis-color: #94a3b8;
	--button-bg: #3b82f6;
	--button-hover: #2563eb;
	--button-text: #fff;
	--tooltip-bg: rgba(30,41,59,0.9);
	--tooltip-text: #e2e8f0;
	--canvas-bg: #273548;
}

body {
	background: var(--bg-color);
	font-family: 'Segoe UI', Arial, sans-serif;
	margin: 0;
	padding: 0;
	height: 100vh;
	width: 100vw;
	overflow: hidden;
	display: flex;
	justify-content: center;
	align-items: center;
	box-sizing: border-box;
	color: var(--text-color);
	transition: background 0.3s ease;
}

.container {
	width: 95%;
	max-width: 1200px;
	max-height: 90vh;
	background: var(--container-bg);
	border-radius: 16px;
	box-shadow: 0 4px 24px var(--container-shadow);
	padding: 20px;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	margin: 5vh 0;
	transition: background 0.3s ease, box-shadow 0.3s ease;
}

.controls {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	align-items: center;
	margin-bottom: 10px;
	flex-shrink: 0;
	padding: 5px 0 10px 0;
	border-bottom: 1px solid var(--divider-color);
}

.theme-switch {
	display: flex;
	align-items: center;
	margin-left: auto;
}

.lang-switch {
	display: flex;
	align-items: center;
	margin-left: 15px;
}

.lang-option {
	padding: 3px 8px;
	border-radius: 4px;
	cursor: pointer;
	font-size: 0.85em;
	border: 1px solid var(--border-color);
	background: var(--container-bg);
	color: var(--text-color);
	transition: background 0.2s, transform 0.2s;
	margin-left: 5px;
}

.lang-option:hover {
	transform: scale(1.05);
	background: var(--border-color);
}

.lang-option.active {
	background: var(--button-bg);
	color: var(--button-text);
	border-color: var(--button-bg);
}

.theme-option {
	width: 25px;
	height: 25px;
	border-radius: 50%;
	cursor: pointer;
	margin-left: 8px;
	border: 2px solid transparent;
	transition: border-color 0.2s, transform 0.2s;
}

.theme-option:hover {
	transform: scale(1.1);
}

.theme-option.active {
	border-color: var(--button-bg);
}

.theme-light {
	background: linear-gradient(135deg, #f7f7fa 50%, #e0e7ef 50%);
}

.theme-dark {
	background: linear-gradient(135deg, #1a1a1a 50%, #2d2d2d 50%);
}

.theme-blue {
	background: linear-gradient(135deg, #172a45 50%, #1e3a5f 50%);
}

.controls label {
	font-size: 1em;
	margin-right: 5px;
	color: var(--text-color);
}

.controls input[type="text"], .controls input[type="color"] {
	padding: 4px 8px;
	border: 1px solid var(--border-color);
	border-radius: 4px;
	font-size: 1em;
	background: var(--container-bg);
	color: var(--text-color);
}

.controls input[type="checkbox"] {
	accent-color: var(--button-bg);
}

.controls input[type="color"] {
	width: 32px;
	height: 32px;
	padding: 0;
	border: none;
	background: none;
}

.controls button {
	background: var(--button-bg);
	color: var(--button-text);
	border: none;
	border-radius: 6px;
	padding: 6px 14px;
	font-size: 0.95em;
	cursor: pointer;
	transition: background 0.18s;
}

.controls button:hover {
	background: var(--button-hover);
}

.graph-container {
	flex-grow: 1;
	min-height: 0;
	position: relative;
	width: 100%;
	overflow: hidden;
	padding: 10px 0;
	margin: 5px 0;
}

#graph {
	border: 2px solid var(--border-color);
	border-radius: 10px;
	background: var(--canvas-bg);
	box-shadow: 0 2px 8px var(--container-shadow);
	display: block;
	width: 100%;
	height: 100%;
	max-height: 100%;
	transition: background 0.3s ease, border-color 0.3s ease;
}

.help {
	color: var(--text-muted);
	font-size: 0.9em;
	margin: 10px 0 5px 0;
	flex-shrink: 0;
	padding: 5px 0;
}

.help code {
	background: var(--border-color);
	padding: 2px 4px;
	border-radius: 3px;
}

/* Responsive styles */
@media (max-width: 768px) {
	.container { 
		padding: 15px; 
		width: 100%; 
		max-width: 100%; 
		border-radius: 0; 
		margin: 3vh 0; 
	}
	.controls { 
		flex-direction: column; 
		align-items: flex-start; 
		gap: 8px; 
	}
	.theme-switch { 
		margin-left: 0; 
		margin-top: 10px; 
	}
	.lang-switch {
		margin-left: 0;
		margin-top: 5px;
	}
	.help { 
		font-size: 0.85em; 
	}
	.graph-container { 
		padding: 5px 0; 
		margin: 3px 0; 
	}
}

@media (max-height: 600px) {
	.container { 
		max-height: 94vh; 
		margin: 3vh 0; 
	}
	.controls { 
		padding-bottom: 5px; 
		margin-bottom: 5px; 
		gap: 5px; 
	}
	.help { 
		margin: 5px 0 3px 0; 
	}
	.graph-container { 
		padding: 3px 0; 
	}
}