:root {
	--bg: #f5f7fa;
	--card: #ffffff;
	--border: #d0d7de;
	--text: #1f2328;
	--accent: #2563eb;
	--muted: #6b7280;
	--radius: 8px;
  }
  
  body.frontpage {
	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	background: var(--bg);
	color: var(--text);
	margin: 0;
	padding: 0;
  }
  
  .header {
	text-align: center;
	font-size: 22px;
	font-weight: 600;
	padding: 16px 0;
  }
  
  .prologue {
	text-align: center;
	margin-top: -10px !important;
	margin: 6px auto;
	width: 900px;
	max-width: 100%;
	padding: 0 10px;
	color: var(--muted);
  }
  
  .center {
	font-size: 14px;
	margin: 20px auto;
	width: 960px;
	max-width: 100%;
	padding: 0 10px;
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	justify-content: center;
  }
  
  .box {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 16px;
	width: 450px;
	max-width: 100%;
	height: auto;
	flex: 0 0 auto;
	margin: 0;
	box-sizing: border-box;
  }
  
  .heading1 {
	font-size: 16px;
	font-weight: 600;
	margin-bottom: 12px;
  }
  
  .formtext {
	font-size: 13px;
  }
  
  .row {
	display: block;
	margin-bottom: 10px;
  }
  
  .left,
  .leftbig {
	float: left;
  }
  
  .leftbig {
	width: 100%;
  }
  
  input.num,
  input.timestamp {
	border: 1px solid var(--border);
	border-radius: 4px;
	padding: 4px 6px;
	font-size: 13px;
  }
  
  input.num:focus,
  input.timestamp:focus {
	outline: none;
	border-color: var(--accent);
  }
  
  .hand {
	cursor: pointer;
	background: var(--accent);
	color: #ffffff;
	border: none;
	border-radius: 6px;
	padding: 8px 14px;
	font-size: 13px;
  }
  
  .hand:hover {
	opacity: 0.9;
  }
  
  .bigger {
	font-size: 12px;
	color: var(--muted);
  }
  
  .remarkrow {
	margin: 12px auto;
	clear: left;
	text-align: center;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 6px;
	width: 620px;
	max-width: calc(100% - 20px);
	font-weight: 500;
  }
  
  .annotate {
	margin: 0 auto;
	clear: left;
	text-align: center;
	padding: 16px;
	width: 500px;
	max-width: calc(100% - 20px);
	font-size: 12px;
	color: var(--muted);
  }
  .clearfix::after {
	content: "";
	display: block;
	clear: both;
  }
  
  /* Mobile styles */
  @media screen and (max-width: 980px) {
	.center {
	  width: 100%;
	  margin: 10px 0;
	  padding: 0 10px;
	  flex-direction: column;
	}
	
	.box {
	  width: 94% !important;
	  max-width: 94% !important;
	  flex: 1 1 100% !important;
	  margin: 0;
	}
	
	.prologue {
	  width: 100%;
	  padding: 0 10px;
	  margin-top: -10px !important;
	}
	
	.remarkrow {
	  width: calc(100% - 20px);
	  margin: 12px 10px;
	}
	
	.annotate {
	  width: calc(100% - 20px);
	  padding: 16px 10px;
	}
  }