:root{--bg:#0D1117;--bg2:#161B22;--bg3:#21262D;--glass:rgba(22,27,34,0.7);--border:rgba(49,120,198,0.15);--border2:rgba(49,120,198,0.35);--t1:#F0F6FC;--t2:#8B949E;--t3:#6E7681;--primary:#3178C6;--secondary:#58A6FF;--accent:#7EE787;--green:#4ADE80;--yellow:#E3B341;--orange:#F0883E;--red:#F85149;--r:8px;--tr:0.2s ease;--f:'Inter',-apple-system,sans-serif;--m:'SF Mono','Fira Code',monospace}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}
body{font-family:var(--f);background:var(--bg);color:var(--t1);-webkit-font-smoothing:antialiased}
.app-container{display:flex;flex-direction:column;height:100vh}
.app-header{background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:12px 20px;z-index:10;flex-shrink:0}
.header-content{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.logo-group{display:flex;align-items:center;gap:12px}
.logo-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:linear-gradient(135deg,rgba(49,120,198,0.15),rgba(126,231,135,0.1));border-radius:var(--r);border:1px solid var(--border)}
h1{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.header-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.preset-select{padding:6px 10px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);color:var(--t2);font-family:var(--f);font-size:0.8rem;cursor:pointer}
.preset-select:focus{outline:none;border-color:var(--primary)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:none;border-radius:var(--r);font-family:var(--f);font-size:0.8rem;font-weight:600;cursor:pointer;transition:all var(--tr);white-space:nowrap}
.btn-accent{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 2px 12px rgba(49,120,198,0.3)}
.btn-accent:hover{box-shadow:0 4px 20px rgba(49,120,198,0.5);transform:translateY(-1px)}
.btn-secondary{background:var(--bg3);color:var(--t2);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--border2);color:var(--t1)}
.btn-ghost{background:transparent;color:var(--t3)}
.btn-ghost:hover{color:var(--t2);background:rgba(255,255,255,0.05)}
.main-content{display:flex;flex:1;overflow:hidden}
.options-panel{flex:1;overflow-y:auto;padding:20px}
.preview-panel{width:380px;min-width:300px;display:flex;flex-direction:column;border-left:1px solid var(--border);flex-shrink:0}
.preview-header{padding:10px 16px;background:var(--bg2);border-bottom:1px solid var(--border)}
.preview-title{font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--t3)}
.json-preview{flex:1;overflow:auto;padding:16px;margin:0;background:var(--bg);font-family:var(--m);font-size:0.8rem;line-height:1.7;color:var(--t2);white-space:pre-wrap;word-break:break-all}
.category{margin-bottom:20px}
.category-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);cursor:pointer;transition:border-color var(--tr);margin-bottom:8px}
.category-header:hover{border-color:var(--border2)}
.category-name{font-size:0.85rem;font-weight:700;color:var(--t1)}
.category-count{font-size:0.72rem;color:var(--t3);font-family:var(--m)}
.option-list{display:flex;flex-direction:column;gap:4px;padding-left:8px}
.option-row{display:flex;align-items:flex-start;gap:12px;padding:10px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);transition:border-color var(--tr)}
.option-row:hover{border-color:var(--border2)}
.option-toggle{flex-shrink:0;margin-top:2px}
.option-toggle input{accent-color:var(--primary);width:16px;height:16px;cursor:pointer}
.option-info{flex:1;min-width:0}
.option-name{font-family:var(--m);font-size:0.82rem;font-weight:600;color:var(--secondary)}
.option-desc{font-size:0.78rem;color:var(--t3);margin-top:2px;line-height:1.5}
.option-value{flex-shrink:0;min-width:120px}
.option-value select,.option-value input{padding:4px 8px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--t1);font-family:var(--m);font-size:0.78rem}
.option-value select:focus,.option-value input:focus{outline:none;border-color:var(--primary)}
.json-key{color:var(--secondary)}
.json-string{color:var(--accent)}
.json-bool{color:var(--orange)}
.json-number{color:var(--yellow)}
@media(max-width:768px){.main-content{flex-direction:column}.preview-panel{width:100%;min-width:unset;max-height:40vh;border-left:none;border-top:1px solid var(--border)}}
.options-panel::-webkit-scrollbar,.json-preview::-webkit-scrollbar{width:6px}
.options-panel::-webkit-scrollbar-track,.json-preview::-webkit-scrollbar-track{background:transparent}
.options-panel::-webkit-scrollbar-thumb,.json-preview::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}