:root{color-scheme:dark;--bg: #0b0e14;--surface: #11141c;--border: #1f2430;--text: #e6e9ef;--muted: #8a91a3;--accent: #38bdf8;--green: #7ee787;--pink: #f7768e;--yellow: #f9e2af;--mono: ui-monospace, SFMono-Regular, Menlo, "Cascadia Code", monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(960px,92vw);margin:0 auto}nav{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0b0e14cc;border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;gap:1rem;padding:.8rem 0}.logo{font-family:var(--mono);font-weight:700;color:var(--text);font-size:1.05rem}.logo .blink{color:var(--accent)}.nav-links{display:flex;gap:1.2rem;margin-left:auto;align-items:center;font-size:.9rem}.nav-links a{color:var(--muted)}.nav-links a:hover{color:var(--text);text-decoration:none}.lang-dd{position:relative;display:inline-block}.lang-trigger{display:inline-flex;align-items:center;gap:.3rem;font-family:var(--mono);font-size:.78rem;cursor:pointer;background:var(--surface);color:var(--muted);border:1px solid var(--border);border-radius:7px;padding:.3rem .55rem}.lang-trigger:hover{color:var(--text);border-color:var(--accent)}.lang-trigger .caret{font-size:.7em;opacity:.7}.lang-menu{position:absolute;right:0;top:calc(100% + .35rem);z-index:20;min-width:8.5rem;display:flex;flex-direction:column;padding:.25rem;background:var(--surface);border:1px solid var(--border);border-radius:9px;box-shadow:0 12px 30px #00000073}.lang-menu[hidden]{display:none}.lang-opt{text-align:left;font-size:.85rem;cursor:pointer;background:transparent;color:var(--muted);border:none;border-radius:6px;padding:.4rem .55rem}.lang-opt:hover{background:var(--bg);color:var(--text)}.lang-opt.on{color:var(--accent);font-weight:700}.cmd{font-family:var(--mono);font-size:.82em;background:#0b0e14;border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:.05em .4em;color:var(--accent);white-space:nowrap}.kbd-shift{font-size:.8em;opacity:.65;margin-right:.1em}.game{width:min(760px,92vw);margin:2.5rem auto}.game-play{width:min(1080px,95vw)}.play-layout{display:flex;gap:1.6rem;align-items:flex-start}.sidebar{flex:0 0 224px;position:sticky;top:4.8rem;max-height:calc(100vh - 6rem);overflow-y:auto;padding-right:.2rem}.play-main{flex:1 1 auto;min-width:0}.sb-sec{margin-bottom:1.1rem}.sb-sec-title{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 .35rem .35rem}.sb-lvl{display:flex;align-items:center;gap:.5rem;width:100%;text-align:left;cursor:pointer;background:transparent;border:1px solid transparent;border-radius:8px;padding:.32rem .5rem;color:var(--muted);font:inherit;font-size:.85rem;line-height:1.2}.sb-lvl:hover{background:var(--surface);color:var(--text)}.sb-lvl.cur{background:var(--surface);border-color:var(--accent);color:var(--text);font-weight:600}.sb-lvl.done{color:var(--text)}.sb-num{font-family:var(--mono);font-size:.74rem;opacity:.55;min-width:1.4rem}.sb-lvl.cur .sb-num{opacity:1;color:var(--accent)}.sb-name{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sb-check{color:var(--green);font-size:.8rem;min-width:.8rem}@media (max-width: 860px){.play-layout{flex-direction:column}.sidebar{position:static;width:100%;max-height:34vh;flex:none}}.game h1{font-family:var(--sans);font-size:1.4rem;color:var(--text);margin:0 0 .4rem;letter-spacing:-.01em}.game .desc{color:var(--muted);line-height:1.45}.game .buffer{background:var(--surface);border:1px solid var(--border);padding:1rem;border-radius:10px;white-space:pre;font-family:var(--mono);font-size:1rem;line-height:1.5}.game .cursor{background:var(--accent);color:var(--bg);border-radius:2px}.game .ghostcursor{outline:2px solid var(--pink);border-radius:2px}.ws{color:var(--muted);opacity:.4}.cursor-blk .ws,.cursor .ws,.ghostcursor .ws{color:inherit;opacity:.65}.game .status{display:flex;justify-content:space-between;color:var(--muted);margin-top:.6rem;font-family:var(--mono);font-size:.85rem}.game .mode{color:var(--accent);text-transform:uppercase}.game .win{color:var(--green);font-weight:700}.game .next{color:var(--accent)}.game .hint{color:var(--muted);font-style:italic}.game .saved{color:var(--green)}.terminal{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:0 12px 44px #0006}.term-header{display:flex;gap:.5rem;align-items:center;padding:.55rem .7rem;border-bottom:1px solid var(--border);background:#ffffff05}.term-tab{font-size:.85rem;padding:.28rem .8rem;border-radius:8px;color:var(--muted)}.term-tab.active{background:var(--bg);color:var(--text);font-weight:600}.term-tab.title{margin-left:auto;font-family:var(--mono);font-size:.8rem}.term-body{padding:2.1rem .9rem 1.1rem;font-family:var(--mono);font-size:1rem;line-height:1.7;overflow-x:auto}.term-line{display:flex;white-space:pre}.term-line .ln{width:2.4rem;flex:none;text-align:right;padding-right:1rem;color:#4b5263;-webkit-user-select:none;user-select:none}.cursor-blk{position:relative;background:var(--accent);color:var(--bg);border-radius:2px}.cursor-blk.insert{background:var(--green)}.keybadge{position:absolute;left:50%;top:-1.6rem;transform:translate(-50%);background:#15485c;color:#dff6ff;border:1px solid var(--accent);border-radius:6px;padding:.05rem .4rem;font-size:.8rem;font-weight:700;line-height:1.35;white-space:nowrap;box-shadow:0 2px 8px #00000080}.keybadge:after{content:"";position:absolute;left:50%;bottom:-5px;transform:translate(-50%);border:4px solid transparent;border-top-color:var(--accent)}.term-status{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem .8rem;border-top:1px solid var(--border);font-family:var(--mono);font-size:.8rem}.mode-pill{background:var(--accent);color:#062330;font-weight:700;padding:.22rem 1.1rem .22rem .7rem;letter-spacing:.06em;clip-path:polygon(0 0,calc(100% - 9px) 0,100% 50%,calc(100% - 9px) 100%,0 100%)}.mode-pill.insert{background:var(--green)}.mode-pill.search{background:var(--yellow)}.term-meta{display:flex;align-items:center;gap:1.1rem;color:var(--muted);margin-left:auto}.term-restart{font-family:var(--mono);font-size:.8rem;cursor:pointer;background:none;border:none;color:var(--muted)}.term-restart:hover{color:var(--text)}.help-btn{margin-top:1rem;font-family:var(--sans);font-size:.9rem;font-weight:600;cursor:pointer;background:transparent;color:var(--accent);border:1px solid var(--border);border-radius:8px;padding:.45rem .9rem}.help-btn:hover{border-color:var(--accent)}.help-strip{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:1rem}.hk{font-family:var(--mono);font-size:.85rem;padding:.25rem .55rem;border-radius:6px;background:var(--surface);color:var(--muted);border:1px solid var(--border);border-bottom-width:2px;transition:all .1s}.hk.on{background:var(--accent);color:var(--bg);border-color:var(--accent);transform:translateY(-2px)}.game .lobby-modes{display:flex;gap:1rem;align-items:center;margin:1rem 0 1.5rem;flex-wrap:wrap}.game .lobby-modes .btn-primary{font-family:var(--sans);font-size:1rem;font-weight:600;cursor:pointer;background:var(--accent);color:#062330;border:none;border-radius:10px;padding:.6rem 1.1rem}.game .lobby-modes .btn-primary:hover{background:#7dd3fc}.game .lobby-title{font-size:1.2rem;margin:1.5rem 0 1rem}.game .lobby-sec{margin-bottom:1.3rem}.game .lobby-sec h3{font-size:1rem;color:var(--muted);margin:0 0 .6rem}.game .lobby-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.6rem}.game .lobby-kata{display:flex;flex-direction:column;gap:.2rem;background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:.7rem .9rem;color:var(--text)}.game .lobby-kata:hover{border-color:var(--accent);text-decoration:none}.game .lobby-kata .idx{font-family:var(--mono);color:var(--muted);font-size:.75rem}.lobby-h{font-size:.95rem;color:var(--muted);margin:1.4rem 0 .6rem;font-weight:600}.lobby-active{display:flex;flex-direction:column;gap:.4rem}.lobby-room{display:grid;grid-template-columns:5.2rem 1fr auto 1.4fr;align-items:center;gap:.8rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:.5rem .7rem}.lobby-room.open{border-color:#7ee78759}.lobby-join{text-align:center;font-family:var(--mono);font-size:.8rem;font-weight:700;padding:.35rem .4rem;border-radius:7px;background:var(--green);color:var(--bg)}.lobby-join:hover{filter:brightness(1.08);text-decoration:none}.lobby-join.off{background:var(--surface);color:var(--muted);border:1px solid var(--border);font-weight:400;cursor:default}.lobby-room-title{color:var(--text);font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lobby-cd{font-family:var(--mono);font-size:.85rem;color:var(--yellow);white-space:nowrap}.lobby-cd.off{color:var(--muted)}.lobby-room-players{display:flex;flex-wrap:wrap;gap:.25rem;justify-content:flex-end}.lobby-room-players .muted{color:var(--muted)}.live-players{display:flex;flex-wrap:wrap;gap:.35rem;justify-content:center;margin:.5rem 0}.live-chip{font-family:var(--mono);font-size:.78rem;padding:.2rem .5rem;border-radius:7px;background:var(--bg);border:1px solid var(--border);color:var(--muted)}.live-chip.me{border-color:var(--accent);color:var(--text)}.live-board{width:100%;border-collapse:collapse;margin:.6rem 0;font-family:var(--mono);font-size:.9rem}.live-board th{text-align:left;color:var(--muted);font-weight:500;font-size:.78rem;padding:.25rem .5rem}.live-board td{padding:.3rem .5rem;border-top:1px solid var(--border)}.live-board tr.me td{color:var(--accent);font-weight:700}.opponents{display:flex;gap:.35rem;flex-wrap:wrap;align-items:center;margin:.4rem 0 1rem}.opp-label{color:var(--muted);font-family:var(--mono);font-size:.78rem;margin-right:.3rem}.opp{font-family:var(--mono);font-size:.78rem;cursor:pointer;background:var(--surface);color:var(--muted);border:1px solid var(--border);border-radius:7px;padding:.25rem .55rem}.opp:hover{border-color:var(--accent);color:var(--text)}.opp.on{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:700}.game .countdown{font-size:2rem;color:var(--yellow);text-align:center}.game .intro-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;align-items:center;justify-content:center;background:#0000009e;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);padding:1rem}.game .intro-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.4rem 1.6rem;max-width:30rem;width:100%;box-shadow:0 18px 50px #00000080;text-align:center}.game .intro-kicker{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.game .intro-card h2{margin:.25rem 0 .6rem;font-size:1.3rem}.game .intro-desc{margin:.2rem 0;color:var(--text)}.game .intro-hint{margin:.2rem 0 .6rem;color:var(--muted);font-size:.9rem}.game .intro-opp{font-family:var(--mono);font-size:.8rem;color:var(--muted);margin:.4rem 0 .8rem}.game .intro-ready{margin-top:.4rem;font-size:1rem;font-weight:700;cursor:pointer;padding:.55rem 1.4rem;background:var(--accent);color:var(--bg);border:none;border-radius:9px}.game .intro-ready:hover{filter:brightness(1.08)}.game .intro-readyhint{margin:.5rem 0 0;color:var(--muted);font-size:.78rem}.cd-setting{display:inline-flex;align-items:center;gap:.35rem;margin:.3rem 0 .9rem;justify-content:center}.cd-label{color:var(--muted);font-family:var(--mono);font-size:.78rem}.cd-btn{font-family:var(--mono);font-size:1rem;line-height:1;cursor:pointer;width:1.6rem;height:1.6rem;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:7px;padding:0}.cd-btn:hover{border-color:var(--accent)}.cd-val{font-family:var(--mono);font-size:.82rem;color:var(--text);min-width:2.4rem;text-align:center}.game .result{font-size:1.1rem;font-weight:700;margin-top:.6rem}.game .result.win{color:var(--green)}.game .result.lose{color:var(--pink)}.game .track{margin:.6rem 0}.game .track .label{display:flex;justify-content:space-between;font-size:.85rem;font-family:var(--mono)}.game .bar{height:10px;border-radius:5px;background:var(--surface);overflow:hidden}.game .bar>span{display:block;height:100%;transition:width .08s linear}.game .you .bar>span{background:var(--accent)}.game .ghost .bar>span{background:var(--pink)}.game #share{margin-top:.4rem;font-family:var(--sans);font-size:.85rem;cursor:pointer;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:.4rem .7rem}.game #share:hover{border-color:var(--accent)}.game .board{margin-top:1.5rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:.8rem 1.1rem}.game .board h2{font-size:.9rem;color:var(--yellow);margin:.2rem 0 .6rem}.game .board table{width:100%;border-collapse:collapse;font-size:.85rem;font-family:var(--mono)}.game .board td{padding:.2rem .3rem}.game .board .rank{color:var(--muted);width:2rem}.game .board .me{color:var(--green);font-weight:700}.game .board .bt{color:var(--muted)}.game .board-filter{display:flex;gap:.3rem;flex-wrap:wrap;margin:0 0 .6rem}.game .bf{font-family:var(--mono);font-size:.72rem;cursor:pointer;background:var(--bg);color:var(--muted);border:1px solid var(--border);border-radius:6px;padding:.15rem .45rem}.game .bf:hover{border-color:var(--accent);color:var(--text)}.game .bf.on{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:700}.game .hidden{display:none}.game #beat1{margin-top:.8rem;font-family:var(--sans);font-size:.85rem;cursor:pointer;font-weight:700;background:var(--pink);color:var(--bg);border:none;border-radius:8px;padding:.45rem .8rem}.game #beat1:hover{filter:brightness(1.1)}