*{box-sizing:border-box;margin:0}:root{--bg: #16181d;--panel: rgba(24, 26, 32, .92);--panel-border: #2c2f38;--text: #e8eaf0;--muted: #9aa0ad;--accent: #e7c1b2;--card: #1e2129;--card-active: #2a2e3a}html,body{height:100%;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,sans-serif;overflow:hidden}#app{display:flex;height:100vh}#scene{flex:1;width:100%;height:100%;display:block;min-width:0}#hud{position:fixed;left:22px;top:18px;pointer-events:none;-webkit-user-select:none;user-select:none}#hud-title{font-size:18px;font-weight:700;letter-spacing:.04em}#hud-sub{font-size:12px;color:var(--muted);margin-top:2px}#panel{width:330px;flex:none;height:100%;overflow-y:auto;background:var(--panel);border-left:1px solid var(--panel-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:18px 16px 28px;scrollbar-width:thin;scrollbar-color:#3a3e4a transparent}.panel-header h1{font-size:20px;font-weight:700}.panel-header p{font-size:12px;color:var(--muted);margin-top:3px}.panel-section{margin-top:22px;padding-top:16px;border-top:1px solid var(--panel-border)}.panel-section h2{font-size:13px;text-transform:uppercase;letter-spacing:.09em;color:var(--accent);font-weight:600}.hint{font-size:11.5px;color:var(--muted);margin-top:4px}.field-label{font-size:12px;color:var(--muted);margin:14px 0 6px}.layout-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px;margin-top:12px}.layout-card{background:var(--card);border:1px solid var(--panel-border);border-radius:9px;padding:8px 6px;text-align:center;cursor:pointer;color:var(--text);transition:border-color .15s,background .15s}.layout-card:hover{border-color:#4a4f5e}.layout-card.active{background:var(--card-active);border-color:var(--accent)}.layout-name{font-size:13px;font-weight:700}.layout-desc{font-size:9.5px;color:var(--muted);margin-top:2px}.set-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.set-card{background:var(--card);border:1px solid var(--panel-border);border-radius:10px;padding:10px 10px 9px;text-align:left;cursor:pointer;color:var(--text);transition:border-color .15s,background .15s,transform .1s}.set-card:hover{border-color:#4a4f5e;transform:translateY(-1px)}.set-card.active{background:var(--card-active);border-color:var(--accent)}.dots{display:flex;gap:4px;margin-bottom:7px}.dot{width:14px;height:14px;border-radius:50%;border:1px solid rgba(255,255,255,.18)}.set-name{font-size:12.5px;font-weight:600}.set-desc{font-size:10.5px;color:var(--muted);margin-top:2px}.segmented{display:flex;flex-wrap:wrap;gap:6px}.segmented button{flex:1 0 auto;background:var(--card);color:var(--text);border:1px solid var(--panel-border);border-radius:8px;font-size:12px;padding:7px 10px;cursor:pointer;transition:border-color .15s,background .15s}.segmented button:hover{border-color:#4a4f5e}.segmented button.active{background:var(--card-active);border-color:var(--accent);font-weight:600}.color-row{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;padding:5px 0}.color-row input[type=color]{width:46px;height:26px;padding:0;border:1px solid var(--panel-border);border-radius:6px;background:none;cursor:pointer}.range-row{display:grid;gap:7px;font-size:12.5px;padding:7px 0}.range-control{display:grid;grid-template-columns:minmax(0,1fr) 46px;align-items:center;gap:10px}.range-control input[type=range]{width:100%;accent-color:var(--accent)}.range-control output{color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}.check-row{display:flex;gap:14px}.check-row.wrap{flex-wrap:wrap;gap:8px 14px}.check{display:flex;align-items:center;gap:6px;font-size:12.5px;cursor:pointer}.check input{accent-color:var(--accent)}.ghost-btn{margin-top:14px;width:100%;background:none;border:1px dashed #4a4f5e;color:var(--muted);border-radius:8px;padding:8px;font-size:12px;cursor:pointer;transition:color .15s,border-color .15s}.ghost-btn:hover{color:var(--text);border-color:var(--accent)}select{width:100%;background:var(--card);color:var(--text);border:1px solid var(--panel-border);border-radius:8px;padding:8px 10px;font-size:12.5px}.swatches{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0 6px}.swatch{width:26px;height:26px;border-radius:50%;border:2px solid rgba(255,255,255,.16);cursor:pointer;transition:transform .1s,border-color .15s}.swatch:hover{transform:scale(1.12);border-color:#fff}.panel-footer{margin-top:26px;font-size:11px;color:var(--muted);line-height:1.5}.panel-footer a{color:var(--accent);text-decoration:none}@media(max-width:760px){#app{flex-direction:column}#panel{width:100%;height:46vh;border-left:none;border-top:1px solid var(--panel-border)}}