*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#f2f3f7;color:#1a1a1a}button{cursor:pointer;border:none;border-radius:6px;padding:8px 14px;background:#e9ebf1;font-size:14px}button:hover{background:#dcdfe8}button.primary,.auth-card button[type=submit]{background:#4f8cff;color:#fff}button.primary:hover,.auth-card button[type=submit]:hover{background:#3a75e0}.error{color:#d33;font-weight:500}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{background:#fff;padding:32px;border-radius:12px;box-shadow:0 4px 20px #00000014;width:320px;display:flex;flex-direction:column;gap:12px}.auth-card label{display:flex;flex-direction:column;gap:4px;font-size:14px}.auth-card input{padding:8px 10px;border:1px solid #ccc;border-radius:6px;font-size:14px}.dashboard{max-width:720px;margin:0 auto;padding:32px 20px}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.username{margin-right:12px;font-weight:500}.project-list{list-style:none;padding:0;margin-top:20px;display:flex;flex-direction:column;gap:8px}.project-item{background:#fff;padding:12px 16px;border-radius:8px;display:flex;align-items:center;gap:16px;box-shadow:0 1px 4px #0000000f}.project-item span:first-child{flex:1;cursor:pointer;font-weight:500}.project-item small{color:#888}.editor{display:flex;flex-direction:column;height:100vh}.editor-header{display:flex;align-items:center;gap:16px;padding:10px 16px;background:#fff;border-bottom:1px solid #e0e0e0}.title-input{flex:1;font-size:16px;font-weight:600;border:none;outline:none;padding:6px 10px}.editor-header-actions{display:flex;align-items:center;gap:10px}.status{color:#2a9d3f;font-size:14px}.editor-body{flex:1;display:flex;overflow:hidden}.toolbar{width:220px;background:#fff;border-right:1px solid #e0e0e0;padding:16px 12px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}.toolbar hr{width:100%;border:none;border-top:1px solid #e0e0e0;margin:8px 0}.toolbar-section{display:flex;flex-direction:column;gap:6px;padding-bottom:10px;border-bottom:1px solid #eee}.toolbar-section h3{margin:0 0 2px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#888}.toolbar-section select,.toolbar-section input[type=number]{padding:6px 8px;border:1px solid #ccc;border-radius:6px;font-size:14px;width:100%}.elements-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.element-btn{aspect-ratio:1;font-size:18px;padding:0;display:flex;align-items:center;justify-content:center}.format-row{display:flex;gap:6px}.format-row button{flex:1}.toggle.active{background:#4f8cff;color:#fff}.color-label{display:flex;align-items:center;justify-content:space-between;font-size:14px}.hint{font-size:11px;color:#888;margin:0}.canvas-wrap{flex:1;overflow:auto;display:flex;justify-content:center;padding:24px;background:#dfe1e8}.canvas-wrap canvas{box-shadow:0 2px 12px #00000026}.readonly-title{flex:1;font-size:16px;font-weight:600;padding:6px 10px}.author{color:#888;font-style:italic;font-weight:400;font-size:13px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:12px;padding:24px;max-width:560px;width:90%;max-height:80vh;overflow-y:auto}.modal h2{margin-top:0}.template-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}.template-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 8px;background:#f7f8fb}.template-preview{background:#fff;border:2px solid #cfd4e0;border-radius:4px}.template-label{font-size:12px;text-align:center;line-height:1.3}.modal-close{width:100%}.home{min-height:100vh;display:flex;flex-direction:column}.home-nav{display:flex;justify-content:space-between;align-items:center;padding:20px 40px}.home-logo{font-weight:700;font-size:18px}.home-nav-links{display:flex;align-items:center;gap:14px}.btn-link{padding:8px 16px;border-radius:6px;text-decoration:none;color:#1a1a1a;background:#e9ebf1;font-size:14px}.btn-link.primary{background:#4f8cff;color:#fff}.home-hero{text-align:center;padding:80px 20px 60px;max-width:720px;margin:0 auto}.home-hero h1{font-size:40px;margin-bottom:16px}.home-hero p{font-size:17px;color:#444;line-height:1.6;margin-bottom:32px}.btn-cta{display:inline-block;padding:14px 32px;background:#4f8cff;color:#fff;border-radius:8px;text-decoration:none;font-weight:600;font-size:16px}.btn-cta:hover{background:#3a75e0}.home-features{display:flex;gap:24px;max-width:960px;margin:0 auto;padding:0 20px 80px;flex-wrap:wrap;justify-content:center}.feature-card{background:#fff;border-radius:10px;padding:24px;width:260px;box-shadow:0 2px 10px #0000000f}.feature-card h3{margin-top:0}.home-footer{text-align:center;padding:24px;color:#888;font-size:13px}