*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:#eef1f5;color:#17202a}.app{max-width:1400px;margin:auto;padding:22px}header{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid #dde2e8;border-radius:18px;padding:22px 26px;margin-bottom:18px;box-shadow:0 8px 30px #00000008}h1{margin:0;font-size:27px}header p{margin:5px 0 0;color:#667085}.brand{font-weight:700;color:#147a59}.layout{display:grid;grid-template-columns:430px 1fr;gap:18px}.panel{background:#fff;border:1px solid #dde2e8;border-radius:18px;box-shadow:0 8px 30px #00000008}.controls{padding:20px}.section{border-bottom:1px solid #edf0f3;padding:0 0 18px;margin-bottom:18px}.section:last-child{border:0;margin:0}.section>label{display:block;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;color:#475467}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.two>div{min-width:0}input,select{width:100%;height:42px;border:1px solid #ccd3da;border-radius:10px;background:#fff;padding:0 11px;font:inherit;margin-bottom:9px}input[type=color]{padding:4px}input[type=range]{height:auto;padding:0;margin:12px 0}.style-grid,.symbol-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.style,.symbol-grid button{border:1px solid #d6dce2;background:#f8fafc;border-radius:9px;padding:10px;cursor:pointer;font-weight:650}.style.active,.symbol.active{border-color:#147a59;background:#e9f7f1;color:#096444}.slider{display:grid;grid-template-columns:90px 1fr;align-items:center;font-size:13px}.slider input{margin:0}.actions{display:grid;gap:9px}.actions button{height:44px;border:0;border-radius:10px;font-weight:750;cursor:pointer;background:#e9edf2}.actions .primary{background:#147a59;color:white}.preview-panel{min-height:700px;padding:18px;display:flex;flex-direction:column}.preview-head{display:flex;justify-content:space-between;font-weight:750;padding:4px 6px 16px;color:#344054}.canvas-wrap{flex:1;display:flex;align-items:center;justify-content:center;border-radius:14px;overflow:auto;background-color:#fff;background-image:linear-gradient(45deg,#f2f4f7 25%,transparent 25%),linear-gradient(-45deg,#f2f4f7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f2f4f7 75%),linear-gradient(-45deg,transparent 75%,#f2f4f7 75%);background-size:28px 28px;background-position:0 0,0 14px,14px -14px,-14px 0}.canvas-wrap svg{max-width:92%;max-height:620px;filter:drop-shadow(0 12px 22px #00000012)}.tip{text-align:center;color:#667085;font-size:12px;padding:14px 0 2px}output{float:right;font-weight:700;color:#147a59}small{color:#667085}@media(max-width:900px){.layout{grid-template-columns:1fr}.preview-panel{min-height:500px}.brand{display:none}}