:root{--bg: #17181d;--panel: #20222a;--panel-2: #262933;--border: #343848;--text: #e6e8ee;--text-dim: #9aa0b0;--accent: #6c8cff;--accent-2: #4fc3a1}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Pretendard,Malgun Gothic,Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app-layout{display:flex;height:100vh;overflow:hidden}.app-panel{width:340px;min-width:280px;max-width:420px;background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;padding-bottom:24px;scrollbar-width:thin}.app-title{padding:16px 16px 12px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,var(--panel-2),var(--panel));position:sticky;top:0;z-index:2}.app-title h1{margin:0;font-size:22px;letter-spacing:1px}.app-title p{margin:4px 0 0;color:var(--text-dim);font-size:12px}.panel-section{border-bottom:1px solid var(--border)}.panel-section__header{width:100%;display:flex;align-items:center;gap:8px;padding:12px 16px;background:none;border:none;color:var(--text);font-size:14px;font-weight:600;cursor:pointer;text-align:left}.panel-section__header:hover{background:var(--panel-2)}.panel-section__chevron{color:var(--accent);width:12px;flex-shrink:0}.panel-section__body{padding:0 16px 14px;display:flex;flex-direction:column;gap:10px}.field-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.field-row__label{color:var(--text-dim);flex-shrink:0}.field-row__input{display:flex;flex:1}.field-row input[type=number],.field-row select{flex:1;min-width:0;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:6px 8px;font-size:13px}.field-row input[type=number]:focus,.field-row select:focus{outline:1px solid var(--accent)}.btn-primary{background:var(--accent);border:none;color:#fff;padding:8px 14px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .15s}.btn-primary:hover{opacity:.88}.field-row input[type=range]{flex:1;accent-color:var(--accent);min-width:0}.field-row input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px}.field-row select:disabled{opacity:.55;cursor:not-allowed}.range-value{min-width:34px;text-align:right;color:var(--accent-2);font-variant-numeric:tabular-nums;font-size:12px}.hint{color:var(--text-dim);font-size:12px;line-height:1.5;padding:2px 0}.block-table{width:100%;border-collapse:collapse;font-size:12px}.block-table th{text-align:left;color:var(--text-dim);font-weight:500;padding:4px 6px;border-bottom:1px solid var(--border)}.block-table td{padding:4px 6px;border-bottom:1px solid var(--border)}.block-table tr:last-child td{border-bottom:none}.block-count{text-align:right;font-variant-numeric:tabular-nums}.block-id{display:block;color:var(--text-dim);font-size:10px;font-family:Consolas,Courier New,monospace}.color-dot{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px;box-shadow:0 0 0 1px #0005}.app-viewer{flex:1;position:relative;background:var(--bg)}