:root{--initial-font-size:12px;--background-color:rgb(13, 13, 13);--headings-color:rgb(255, 255, 255);--text-color:rgb(200, 200, 200);--accent-color:rgb(106, 115, 246);--dark-accent-color:rgb(87, 63, 246)}.placeholder-tool{display:flex;flex-wrap:wrap;gap:30px;background:#fff;padding:25px;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.08);max-width:1000px;margin:20px auto;font-family:sans-serif}.controls-grid{flex:1;min-width:280px;display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:1rem 0 1rem 0}.full-width{grid-column:span 2}.input-group{display:flex;flex-direction:column;gap:5px}.input-group label{font-size:13px;color:#666;font-weight:600}input[type=number],input[type=text]{padding:10px;border:1px solid #ddd;border-radius:6px}input[type=number]{width:120px}input[type=text]{width:280px}.presets-container{display:flex;flex-wrap:wrap;gap:8px;margin:5px 0}.btn-preset{background:#f1f5f9;border:1px solid #e2e8f0;padding:6px 12px;border-radius:20px;font-size:12px;cursor:pointer;transition:.2s}.btn-preset.active{background:#3b82f6;color:#fff;border-color:#2563eb}.preview-area{flex:1;min-width:280px;display:flex;flex-direction:column;align-items:center;background:#f8fafc;border:2px dashed #e2e8f0;border-radius:12px;padding:20px}#placeholder_preview{max-width:100%;height:auto;border-radius:4px;box-shadow:0 4px 10px rgba(0,0,0,.1)}.btn-download{margin-top:20px;background:#10b981;color:#fff;padding:12px 24px;border-radius:8px;text-decoration:none;font-weight:600}.copy-url-group input{flex:1;background:#f1f5f9;border:1px solid #cbd5e1;padding:8px;border-radius:4px;font-size:12px}.btn-copy{background:#3b82f6;color:#fff;border:none;padding:8px 15px;border-radius:4px;cursor:pointer}.placeholder-info{line-height:1.5rem}.placeholder-info p{margin:0 0 1.5rem 0;padding:0 0 0 1rem}.placeholder-info p:nth-child(8){padding:0}@media screen and (min-width:719px){.controls-grid{min-width:300px;margin:0}input[type=number]{width:150px}input[type=text]{width:320px}.preview-area{min-width:350px}.placeholder-info{grid-column:span 2}}