body{font-family:Helvetica Neue,Arial,sans-serif;line-height:1.6;color:#333;margin:0;background-color:#f3fbfa}*{box-sizing:border-box}.main-container{padding:10px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333}h1{color:#2c3e50;font-size:22px;margin-top:0;margin-bottom:20px;text-align:center;border-bottom:2px solid #3498db;padding-bottom:10px}.flash-messages .message{padding:12px 15px;margin-bottom:10px;border-radius:4px;font-weight:500;display:flex;align-items:center;box-shadow:0 2px 4px #0000001a;position:relative;border-left-width:4px;border-left-style:solid}.flash-messages .message:last-child{margin-bottom:0}.flash-messages .message.error{background-color:#fff3f3;color:#d32f2f;border-left-color:#f44336}.flash-messages .message.success{background-color:#f2fff5;color:#2e7d32;border-left-color:#4caf50}.flash-messages .message.info{background-color:#f0f7ff;color:#0277bd;border-left-color:#2196f3}.flash-messages .message.warning{background-color:#fffbf0;color:#f57c00;border-left-color:#ff9800}.flash-messages .message:before{margin-right:10px;font-weight:700;font-size:16px}.flash-messages .message.error:before{content:"!"}.flash-messages .message.success:before{content:"\2713"}.flash-messages .message.info:before{content:"i"}.flash-messages .message.warning:before{content:"\26a0"}.flash-messages{margin-bottom:20px}