:root{--bg: #0d1117;--panel: #1b2027;--panel-2: #232a33;--border: #303743;--line-soft: #262d37;--line-hover: #2d343f;--text: #e6edf3;--muted: #8b949e;--accent: #2dd4bf;--accent-strong: #14b8a6;--danger: #f87171;--shadow: 0 10px 30px -10px rgba(0, 0, 0, .65), 0 2px 8px -3px rgba(0, 0, 0, .45);--shadow-sm: 0 2px 10px -3px rgba(0, 0, 0, .5)}:root.light{--bg: #f5f2ec;--panel: #fffefb;--panel-2: #f1ede4;--border: #e3ddd0;--line-soft: #f1ede4;--line-hover: #ece6da;--text: #2a2824;--muted: #9b9384;--accent: #0d9488;--accent-strong: #0f766e;--danger: #dc2626;--shadow: 0 6px 24px -8px rgba(64, 54, 33, .18), 0 2px 8px -3px rgba(64, 54, 33, .1);--shadow-sm: 0 2px 10px -3px rgba(64, 54, 33, .14)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;overscroll-behavior:none;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}#screen{position:fixed;top:0;right:0;bottom:0;left:0;display:block;cursor:crosshair;touch-action:none;overscroll-behavior:none}#topnav{position:fixed;top:12px;left:12px;right:12px;z-index:50;display:flex;justify-content:space-between;align-items:flex-start;gap:24px;pointer-events:none;-webkit-user-select:none;user-select:none}#topnav .nav-side{display:flex;gap:8px;align-items:center}.navcard{pointer-events:auto;height:40px;display:flex;align-items:center;gap:2px;padding:0 4px;background:var(--panel);border:1px solid var(--border);border-radius:11px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.brand{gap:8px;padding:0 12px 0 8px;font-weight:700;font-size:14px;letter-spacing:.2px}.brand .logo{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));box-shadow:inset 0 0 0 1px #ffffff26}.navbtn{height:32px;min-width:32px;padding:0 9px;display:flex;align-items:center;justify-content:center;gap:6px;background:transparent;color:var(--text);border:none;border-radius:7px;font:inherit;font-size:13px;cursor:pointer;transition:background .12s,color .12s}.navbtn:hover{background:var(--line-hover)}.navbtn .ic{font-size:15px;line-height:1}.nav-sep{width:1px;height:20px;background:var(--border);margin:0 3px}select.navsel{pointer-events:auto;height:32px;background:transparent;color:var(--text);border:none;border-radius:7px;padding:0 6px;font:inherit;font-size:13px;cursor:pointer;max-width:150px}select.navsel:hover{background:var(--line-hover)}#bottombar{position:fixed;bottom:16px;left:50%;transform:translate(-50%);z-index:50;display:flex;align-items:center;gap:3px;padding:7px;background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);-webkit-user-select:none;user-select:none}.tool{position:relative;width:40px;height:40px;display:grid;place-items:center;background:transparent;border:none;border-radius:11px;cursor:pointer;color:var(--text);transition:background .12s;flex:none}.tool:hover{background:var(--line-hover)}.tool.active{background:var(--accent)}.tsep{width:1px;height:24px;background:var(--border);margin:0 5px;flex:none}.tip{position:absolute;bottom:50px;left:50%;transform:translate(-50%);background:#0b0e14;color:#fff;font-size:12px;font-weight:600;padding:5px 9px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .12s;border:1px solid var(--border)}.tool:hover .tip{opacity:1}.tip kbd{color:var(--muted);margin-left:6px;font-family:inherit;font-weight:600}.colordot{width:18px;height:18px;border-radius:50%;box-shadow:inset 0 0 0 1px #0000004d,0 1px 2px #0006}.pop{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%);display:none;grid-template-columns:repeat(4,1fr);gap:7px;padding:10px;background:var(--panel);border:1px solid var(--border);border-radius:13px;box-shadow:var(--shadow)}.pop.open{display:grid}.swatch{width:26px;height:26px;padding:0;border:2px solid transparent;border-radius:8px;cursor:pointer;box-shadow:0 0 0 1px var(--border)}.swatch:hover{transform:scale(1.08)}.swatch.active{box-shadow:0 0 0 2px var(--accent)}#speed{position:fixed;bottom:16px;right:16px;z-index:50;display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);font-size:12px;color:var(--muted);-webkit-user-select:none;user-select:none}#speed input[type=range]{width:96px;accent-color:var(--accent)}#speed .sv{color:var(--text);font-weight:600;min-width:30px;text-align:right}#ctxmenu{position:fixed;z-index:60;display:none;flex-direction:column;min-width:168px;padding:5px;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow)}#ctxmenu.open{display:flex}#ctxmenu button{display:flex;justify-content:space-between;gap:24px;background:transparent;color:var(--text);border:none;border-radius:6px;padding:7px 10px;font:inherit;font-size:13px;text-align:left;cursor:pointer}#ctxmenu button:hover{background:var(--accent);color:#06231f}#ctxmenu button:disabled{color:var(--muted);cursor:default}#ctxmenu button:disabled:hover{background:transparent;color:var(--muted)}#ctxmenu hr{border:none;border-top:1px solid var(--border);margin:4px 2px}#ctxmenu .ctx-key{color:var(--muted);font-size:11px}#ctxmenu button:hover .ctx-key{color:#06231fb3}.menu{position:fixed;z-index:60;display:none;flex-direction:column;min-width:150px;padding:5px;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow)}.menu.open{display:flex}.menu button{background:transparent;color:var(--text);border:none;border-radius:6px;padding:7px 10px;font:inherit;font-size:13px;text-align:left;cursor:pointer}.menu button:hover{background:var(--line-hover)}#hint{position:fixed;bottom:64px;left:50%;transform:translate(-50%) translateY(4px);z-index:40;padding:7px 14px;background:#0b0e14;border:1px solid var(--border);border-radius:999px;font-size:12.5px;color:var(--text);pointer-events:none;opacity:0;transition:opacity .15s,transform .15s;white-space:nowrap}#hint.show{opacity:1;transform:translate(-50%) translateY(0)}#tt-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;display:flex;align-items:center;justify-content:center;background:#0000008c}.tt-panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;max-width:90vw;max-height:84vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow)}.tt-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 14px;border-bottom:1px solid var(--border);font-size:13px;font-weight:600}.tt-head button{background:var(--line-hover);color:var(--text);border:1px solid var(--border);border-radius:7px;padding:5px 10px;font:inherit;font-size:12px;cursor:pointer}.tt-scroll{overflow:auto;padding:10px 14px 14px}table.tt{border-collapse:collapse;font-size:13px}table.tt td{padding:3px 12px;text-align:center;border-bottom:1px solid var(--line-soft)}table.tt .tt-h{font-weight:700;color:var(--muted);border-bottom:1px solid var(--border)}table.tt .tt-in{color:#8fb6ff}table.tt .tt-out{color:var(--accent)}table.tt .tt-sep{width:1px;padding:0;background:var(--border)}