:root{--left: #3ec6ff;--right: #ff5470;--bg-0: #0b1026;--bg-1: #1b2660;--glass: rgba(20, 26, 56, .55);--glass-border: rgba(255, 255, 255, .14);--text: #eef2ff;--muted: #9aa6d6;--accent: #ffd23f;font-family:Outfit,system-ui,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{width:100%;height:100%;overflow:hidden;background:var(--bg-0);color:var(--text);-webkit-user-select:none;user-select:none;touch-action:none}canvas{display:block;position:absolute;inset:0}.backdrop{position:absolute;inset:0;background:radial-gradient(1200px 800px at 20% 10%,rgba(62,198,255,.25),transparent 60%),radial-gradient(1000px 700px at 85% 90%,rgba(255,84,112,.22),transparent 60%),linear-gradient(160deg,var(--bg-1),var(--bg-0));background-size:200% 200%;animation:drift 18s ease-in-out infinite alternate;z-index:0}@keyframes drift{0%{background-position:0% 0%,100% 100%,0% 0%}to{background-position:40% 30%,60% 70%,100% 100%}}.overlay{position:absolute;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;pointer-events:none}.overlay.active{pointer-events:auto}.overlay>*{pointer-events:auto}.panel{width:min(560px,92vw);max-height:90vh;overflow-y:auto;background:var(--glass);border:1px solid var(--glass-border);border-radius:28px;padding:40px;backdrop-filter:blur(22px) saturate(140%);-webkit-backdrop-filter:blur(22px) saturate(140%);box-shadow:0 30px 80px #00000080,inset 0 1px #ffffff1a;animation:pop .45s cubic-bezier(.2,1.2,.3,1)}@keyframes pop{0%{transform:translateY(18px) scale(.96);opacity:0}to{transform:none;opacity:1}}.logo{font-family:Fredoka,sans-serif;font-weight:700;font-size:clamp(40px,7vw,66px);line-height:.95;text-align:center;letter-spacing:-1px;margin-bottom:6px}.logo .b1{background:linear-gradient(120deg,var(--left),#7c5cff);-webkit-background-clip:text;background-clip:text;color:transparent}.logo .b2{background:linear-gradient(120deg,var(--right),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.tagline{text-align:center;color:var(--muted);font-size:15px;margin-bottom:28px}.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:16px 20px;margin:10px 0;border:1px solid var(--glass-border);border-radius:16px;background:#ffffff0f;color:var(--text);font-family:Outfit,sans-serif;font-size:17px;font-weight:600;cursor:pointer;transition:transform .12s ease,background .2s ease,box-shadow .2s ease}.btn:hover{background:#ffffff1f;transform:translateY(-2px);box-shadow:0 10px 30px #00000059}.btn:active{transform:translateY(0)}.btn.primary{background:linear-gradient(120deg,var(--left),#7c5cff);border-color:transparent;font-size:18px}.btn.primary:hover{filter:brightness(1.08)}.btn.danger{background:linear-gradient(120deg,var(--right),#ff8e42);border-color:transparent}.btn.ghost{background:transparent}.btn .emoji{font-size:22px}.row{display:flex;gap:12px}.row .btn{margin:10px 0}.section-title{font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin:18px 0 10px}.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.diff-card{padding:18px;border-radius:18px;border:1px solid var(--glass-border);background:#ffffff0d;cursor:pointer;transition:transform .12s ease,background .2s ease,border-color .2s ease}.diff-card:hover{transform:translateY(-3px);background:#ffffff1a}.diff-card.selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset}.diff-card .d-name{font-weight:700;font-size:18px;margin-bottom:4px}.diff-card .d-desc{color:var(--muted);font-size:13px}.diff-card .d-emoji{font-size:26px;margin-bottom:8px}.field{margin:14px 0}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.input{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--glass-border);background:#00000040;color:var(--text);font-family:Outfit,sans-serif;font-size:16px;outline:none;transition:border-color .2s ease}.input:focus{border-color:var(--left)}.input.code{font-family:Fredoka,monospace;letter-spacing:8px;text-align:center;font-size:30px;text-transform:uppercase}.code-box{text-align:center;margin:20px 0}.code-display{font-family:Fredoka,sans-serif;font-size:64px;font-weight:700;letter-spacing:12px;padding-left:12px;background:linear-gradient(120deg,var(--accent),var(--right));-webkit-background-clip:text;background-clip:text;color:transparent}.copy-link{display:flex;gap:10px;margin-top:14px}.copy-link .input{flex:1;font-size:13px;letter-spacing:0}.spinner{width:34px;height:34px;border:3px solid rgba(255,255,255,.2);border-top-color:var(--left);border-radius:50%;margin:18px auto;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status{text-align:center;color:var(--muted);font-size:15px;min-height:20px}.status.error{color:var(--right)}.hud{position:absolute;inset:0;z-index:5;pointer-events:none}.scoreboard{position:absolute;top:22px;left:50%;transform:translate(-50%);display:flex;align-items:stretch;gap:0;background:var(--glass);border:1px solid var(--glass-border);border-radius:20px;overflow:hidden;backdrop-filter:blur(14px);box-shadow:0 12px 40px #0006}.score-side{display:flex;flex-direction:column;align-items:center;padding:12px 26px;min-width:120px}.score-side .name{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:2px;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.score-side .value{font-family:Fredoka,sans-serif;font-size:44px;font-weight:700;line-height:1}.score-side.left .value{color:var(--left)}.score-side.right .value{color:var(--right)}.score-divider{width:1px;background:var(--glass-border)}.score-side .value.bump{animation:bump .4s ease}@keyframes bump{30%{transform:scale(1.4)}}.hud-corner{position:absolute;top:22px;display:flex;gap:8px;align-items:center}.hud-corner.left{left:22px}.hud-corner.right{right:22px}.pill{pointer-events:auto;background:var(--glass);border:1px solid var(--glass-border);border-radius:12px;padding:8px 14px;font-size:13px;color:var(--text);backdrop-filter:blur(10px);cursor:pointer;display:flex;gap:8px;align-items:center}.ping-dot{width:8px;height:8px;border-radius:50%;background:#42e6a4}.banner{position:absolute;top:38%;left:50%;transform:translate(-50%,-50%);text-align:center;z-index:6;pointer-events:none}.banner .big{font-family:Fredoka,sans-serif;font-size:clamp(70px,16vw,180px);font-weight:700;text-shadow:0 8px 40px rgba(0,0,0,.6);animation:countpop .6s ease}.banner .label{font-family:Fredoka,sans-serif;font-size:clamp(28px,5vw,52px);font-weight:600;text-shadow:0 6px 30px rgba(0,0,0,.6);animation:pop .4s ease}@keyframes countpop{0%{transform:scale(2.2);opacity:0}to{transform:scale(1);opacity:1}}.touch-controls{position:absolute;inset:auto 0 0;z-index:7;display:none;justify-content:space-between;padding:24px;pointer-events:none}.touch-controls.active{display:flex}.touch-cluster{display:flex;gap:16px}.touch-btn{pointer-events:auto;width:78px;height:78px;border-radius:50%;background:#ffffff1f;border:1px solid var(--glass-border);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;font-size:30px;color:var(--text);-webkit-user-select:none;user-select:none}.touch-btn:active{background:#ffffff47}.toast{position:absolute;bottom:30px;left:50%;transform:translate(-50%) translateY(20px);background:var(--glass);border:1px solid var(--glass-border);border-radius:14px;padding:12px 22px;font-size:15px;backdrop-filter:blur(12px);opacity:0;transition:opacity .3s ease,transform .3s ease;z-index:20;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.hidden{display:none!important}.kbd{display:inline-block;padding:2px 8px;border-radius:6px;background:#ffffff1a;border:1px solid var(--glass-border);font-family:monospace;font-size:13px;margin:0 2px}.controls-help{color:var(--muted);font-size:14px;line-height:1.9;text-align:center}.back-link{display:block;text-align:center;margin-top:18px;color:var(--muted);font-size:14px;cursor:pointer}.back-link:hover{color:var(--text)}.match-result{font-family:Fredoka,sans-serif;font-size:clamp(40px,8vw,72px);text-align:center;margin-bottom:8px}.match-result.win{color:var(--accent)}.match-result.lose{color:var(--muted)}.final-score{text-align:center;font-family:Fredoka,sans-serif;font-size:30px;margin-bottom:24px}