:root{color-scheme:dark;--bg: #121317;--panel: #1b1d24;--panel-2: #22252e;--border: #2f333e;--text: #e6e8ee;--muted: #8b90a0;--accent: #5b9bd5;--accent-hover: #6fa8dd}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px}.app{display:flex;flex-direction:column;height:100%}.header{padding:12px 20px;border-bottom:1px solid var(--border);background:var(--panel);display:flex;align-items:baseline;gap:12px}.header h1{font-size:18px;margin:0}.subtitle{color:var(--muted)}.layout{flex:1;display:grid;grid-template-columns:380px 1fr;min-height:0}.sidebar{border-right:1px solid var(--border);overflow-y:auto;padding:16px;background:var(--panel)}.main{display:flex;flex-direction:column;min-width:0;position:relative}.preview{flex:1;min-height:0}.upload{border:2px dashed var(--border);border-radius:10px;padding:20px;text-align:center;cursor:pointer;color:var(--muted);transition:border-color .15s,background .15s;margin-bottom:12px}.upload.drag{border-color:var(--accent);background:var(--panel-2)}.upload-icon{font-size:32px;margin-bottom:8px}.upload-sub{font-size:12px;margin-top:6px;opacity:.8}.upload-preview img{max-width:100%;max-height:180px;border-radius:6px;display:block;margin:0 auto}.upload-name{margin-top:8px;font-size:12px;color:var(--text);word-break:break-all}.generate{width:100%;padding:12px;font-size:15px;font-weight:600;border:none;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;margin-bottom:12px;transition:background .15s}.generate:hover:not(:disabled){background:var(--accent-hover)}.generate:disabled{opacity:.4;cursor:not-allowed}.error{background:#3a1f24;border:1px solid #7a3540;color:#ffb4bd;padding:10px;border-radius:8px;margin-bottom:12px;font-size:13px}.group{margin-bottom:16px}.group h3{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 8px;border-bottom:1px solid var(--border);padding-bottom:6px}.ctl{display:block;margin-bottom:10px}.ctl-label{display:flex;justify-content:space-between;margin-bottom:4px;font-size:13px}.ctl-value{color:var(--muted);font-variant-numeric:tabular-nums}.ctl input[type=range]{width:100%;accent-color:var(--accent)}.ctl select{width:100%;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 8px}.ctl-toggle{display:flex;justify-content:space-between;align-items:center;padding:4px 0}.ctl-toggle input{width:18px;height:18px;accent-color:var(--accent)}.frame-height{border-top:1px dashed var(--border);margin-top:8px;padding-top:8px}.preset-bar{margin-bottom:16px;padding:12px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px}.preset-bar .ctl{margin-bottom:0}.hint{font-size:12px;color:var(--muted);line-height:1.4;margin:2px 0 8px}.loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#1b1d24e6;border:1px solid var(--border);border-radius:8px;padding:10px 18px;color:var(--muted);font-size:13px;pointer-events:none}.info-bar{position:absolute;bottom:12px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:16px;background:#1b1d24e6;border:1px solid var(--border);border-radius:10px;padding:10px 16px;font-size:13px;color:var(--muted);white-space:nowrap}.download{color:#fff;background:var(--accent);text-decoration:none;padding:8px 14px;border-radius:6px;font-weight:600}.download:hover{background:var(--accent-hover)}.warnings{position:absolute;top:12px;left:12px;background:#3c3014e6;border:1px solid #7a6535;color:#ffd88a;border-radius:8px;padding:8px 12px;font-size:12px;max-width:60%}@media (max-width: 860px){.layout{grid-template-columns:1fr;grid-template-rows:auto 1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border);max-height:45vh}}