:root{--bg: #0e1614;--panel: #16201d;--line: #27332f;--ink: #eef7f4;--dim: #8ba79f;--accent: #4a9c8a;--good: #4a9c8a;--bad: #c45a63}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#16241f,var(--bg));color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;display:flex;justify-content:center;-webkit-user-select:none;user-select:none}#app{width:100%;max-width:540px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:27px;letter-spacing:5px;font-weight:800;color:var(--accent)}.sub{margin:4px 0 0;color:var(--dim);font-size:12.5px;line-height:1.4}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:10px 0}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;overflow:hidden}.seg button{background:none;border:none;color:var(--dim);padding:6px 13px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#04201b}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:8px 15px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#04201b;border-color:var(--accent)}.scoreboard{display:flex;gap:8px;justify-content:center;margin:8px 0;flex-wrap:wrap}.readout{background:#08110e;border:1px solid var(--line);border-radius:8px;padding:5px 14px;font:800 18px ui-monospace,monospace;color:var(--accent);min-width:70px;text-align:center}.readout span{color:var(--dim);font-size:10px;display:block;font-weight:600;letter-spacing:.5px}.stage{position:relative}.ladder{display:flex;flex-direction:column;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px}.rung{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:7px;background:#0c1512;border:1px solid transparent;min-height:40px}.rung.done{opacity:.72;border-color:var(--line)}.rung.done .rans{color:var(--good)}.rung.current{background:#11211c;border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.rnum{font:800 13px ui-monospace,monospace;color:var(--dim);width:22px}.rnotes{flex:1;font:700 16px ui-monospace,monospace;color:var(--ink)}.rans{font:800 15px ui-monospace,monospace;color:var(--dim);min-width:36px;text-align:right}.nowrow{display:flex;gap:8px;justify-content:center;align-items:center;flex-wrap:wrap;margin:12px 0 4px}.rungnote{color:var(--dim);font:700 14px ui-monospace,monospace}.pad{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;max-width:420px;margin:12px auto 0}.pad button{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:13px 0;border-radius:8px;font:800 16px ui-monospace,monospace;cursor:pointer}.pad button:hover{border-color:var(--accent);color:var(--accent)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#060c0ad1;border-radius:10px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-align:center;max-width:340px}.card h2{margin:0 0 6px;font-size:23px;color:var(--accent)}.card p{margin:6px 0;color:var(--dim);font-size:14px;line-height:1.5}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.hint{text-align:center;color:var(--dim);font-size:12.5px;margin-top:14px;line-height:1.5;min-height:18px}