:root{--bg: #07141a;--panel: #102530;--line: #1d3a48;--ink: #eaf6fb;--dim: #8db4c4;--accent: #3a8fb0;--accent2: #5fd0e6;--good: #46d39a;--bad: #e8657a}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:linear-gradient(180deg,#0b2230,#061018 70%,#04090d);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:28px;letter-spacing:5px;font-weight:800;color:var(--accent2)}.sub{margin:3px 0 0;color:var(--dim);font-size:13px}.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:#03161d}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:7px 14px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent2)}.btn.primary{background:var(--accent);color:#03161d;border-color:var(--accent)}.scoreboard{display:flex;gap:10px;justify-content:center;margin:8px 0;flex-wrap:wrap}.readout{background:#04141c;border:1px solid var(--line);border-radius:8px;padding:5px 14px;font:800 18px ui-monospace,monospace;color:var(--accent2);min-width:86px;text-align:center}.readout span{color:var(--dim);font-size:11px;display:block;font-weight:600;letter-spacing:.5px}.readout.target{color:var(--good)}.stage{position:relative;display:flex;justify-content:center}.dive{display:flex;gap:14px;width:min(96vw,460px)}.gauge{position:relative;flex:1;background:linear-gradient(180deg,#0a3550,#03121b);border:2px solid var(--line);border-radius:12px;height:320px;overflow:hidden}.gauge .tick{position:absolute;left:0;right:0;border-top:1px solid rgba(141,180,196,.18);font:600 10px ui-monospace,monospace;color:var(--dim);padding-left:6px}.gauge .tick.major{border-top-color:#8db4c466}.gauge .targetline{position:absolute;left:0;right:0;border-top:2px dashed var(--good)}.gauge .targetline:after{content:attr(data-label);position:absolute;right:4px;top:-14px;color:var(--good);font:700 11px ui-monospace,monospace}.gauge .sub{position:absolute;left:50%;transform:translate(-50%,-50%);transition:top .35s cubic-bezier(.4,.8,.3,1);width:56px;height:26px;margin:0}.gauge .sub .hull{width:100%;height:100%;background:var(--accent2);border-radius:14px/13px;box-shadow:0 0 14px #5fd0e699;position:relative}.gauge .sub .hull:before{content:"";position:absolute;top:-6px;left:50%;transform:translate(-50%);width:12px;height:8px;background:var(--accent2);border-radius:4px 4px 0 0}.gauge .sub .hull:after{content:"";position:absolute;top:8px;right:8px;width:8px;height:8px;background:#03161d;border-radius:50%}.gauge .sub.at .hull{background:var(--good);box-shadow:0 0 18px #46d39acc}.gauge .sub.at .hull:before{background:var(--good)}.depthpanel{width:132px;display:flex;flex-direction:column;gap:8px}.depthbig{background:#04141c;border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center}.depthbig .lab{color:var(--dim);font:600 11px system-ui;letter-spacing:.5px}.depthbig .val{font:800 30px ui-monospace,monospace;color:var(--accent2);margin-top:2px}.depthbig .val.at{color:var(--good)}.places{display:flex;justify-content:center;gap:4px}.place{flex:1;background:#071e29;border:1px solid var(--line);border-radius:8px;padding:6px 2px;text-align:center}.place .pv{font:800 22px ui-monospace,monospace;color:var(--ink)}.place .pl{font:600 9px system-ui;color:var(--dim);letter-spacing:.3px;margin-top:2px}.place.tenths .pv{color:var(--accent2)}.place.hundredths .pv{color:var(--good)}.current{font:700 13px ui-monospace,monospace;text-align:center;color:var(--bad);min-height:18px}.current.none{color:var(--dim);font-weight:600}.weights{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:380px;margin:16px auto 0}.weights .col{display:flex;flex-direction:column;gap:6px}.wbtn{border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:12px 0;border-radius:10px;font:800 17px ui-monospace,monospace;cursor:pointer}.wbtn:hover:not(:disabled){border-color:var(--accent2)}.wbtn.plus{color:var(--good)}.wbtn.minus{color:var(--bad)}.wbtn:disabled{opacity:.4;cursor:default}.wlabel{text-align:center;font:600 10px system-ui;color:var(--dim);letter-spacing:.4px}.actions{display:flex;gap:8px;justify-content:center;margin-top:14px;flex-wrap:wrap}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#040a0ed1;border-radius:12px;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:320px}.card h2{margin:0 0 6px;font-size:24px;color:var(--good)}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:14px;line-height:1.5}