:root{--bg:#020309;--text:#e4ecff;--muted:#8a97b4;--cyan:#31e7ff;--red:#ff2a3d;--green:#3dff8a;--panel:#060a16d1;--border:#31e7ff59;color:var(--text);background:var(--bg);font-family:Segoe UI,system-ui,-apple-system,Roboto,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:none;overscroll-behavior:none;height:100%;margin:0;overflow:hidden}#app,#app canvas{display:block;position:fixed;inset:0}.hidden{display:none!important}.flash{pointer-events:none;opacity:0;background:#fff;position:fixed;inset:0}.vignette{pointer-events:none;opacity:0;background:radial-gradient(#0000 35%,#000000d9 100%);transition:opacity 1.2s;position:fixed;inset:0}.vignette.on{opacity:1}.hud{top:env(safe-area-inset-top);pointer-events:none;text-shadow:0 0 8px #31e7ff99;justify-content:space-between;align-items:flex-start;padding:16px 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(width<=760px){.editor-main{flex-direction:column}.editor-side{width:100%;max-height:38vh}}.duel-panel{max-height:calc(100vh - 32px);overflow-y:auto}.duel-rank{text-align:left;justify-content:center;align-items:center;gap:14px;margin:6px 0 12px;display:flex}.duel-rank-text{flex-direction:column;gap:4px;display:flex}.rank-badge{border:1px solid color-mix(in srgb, var(--tier) 70%, transparent);background:color-mix(in srgb, var(--tier) 15%, transparent);color:var(--tier);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:3px 10px;font-size:13px;font-weight:700;display:inline-flex}.rank-icon{text-shadow:0 0 8px var(--tier)}.duel-searching{color:var(--cyan);font-size:18px;font-weight:700;animation:1.4s ease-in-out infinite pulse}@keyframes pulse{50%{opacity:.55}}.duel-code{letter-spacing:.3em;color:#ffd23d;text-shadow:0 0 14px #ffd23d99;-webkit-user-select:all;user-select:all;font-size:40px;font-weight:900}.duel-result{background:#8a97b433;border-radius:6px;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;font-weight:800;display:inline-flex}.duel-result.win{color:var(--green);background:#3dff8a40}.duel-result.lose{color:#ff6b7a;background:#ff2a3d40}.duel-hud{pointer-events:auto;background:#060a16b3;border:1px solid #ff3dd273;border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:8px 14px;display:flex;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.duel-score{font-size:16px;font-weight:800}.duel-opponent{align-items:center;gap:8px;display:flex}.duel-track{background:#ffffff1f;border-radius:3px;width:140px;height:6px;overflow:hidden}.duel-track span{background:#ff3dd2;width:0;height:100%;transition:width .4s;display:block;box-shadow:0 0 8px #ff3dd2}.duel-banner{z-index:70;border:1px solid var(--border);text-align:center;opacity:0;pointer-events:none;background:#060a16d9;border-radius:14px;padding:14px 26px;font-size:clamp(18px,4vw,30px);font-weight:900;transition:opacity .25s,transform .25s;position:fixed;top:32%;left:50%;transform:translate(-50%,-50%)scale(.9)}.duel-banner.show{opacity:1;transform:translate(-50%,-50%)scale(1)}.duel-banner.win{color:var(--green);border-color:var(--green)}.duel-banner.lose{color:#ff6b7a;border-color:var(--red)}details.controls summary{cursor:pointer;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px;font-size:13px}#menu .panel{max-height:calc(100vh - 32px);overflow-y:auto}