.chx{--in:#1f7a6b;--out:#b5472e;--ink:#14213d;--mute:#5d6b82;--line:#d5dbe3;max-width:460px;margin:0 auto;padding:20px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:14px;font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;font-variant-numeric:tabular-nums;box-sizing:border-box}
.chx *{box-sizing:border-box}.chx [hidden]{display:none!important}
.chx .clock{font:500 56px/1 Georgia,serif;margin:0;text-align:center}
.chx .date{color:var(--mute);text-align:center;margin:6px 0 18px;text-transform:capitalize}
.chx .msg{min-height:24px;margin:0 0 12px;font-weight:600;text-align:center}.chx .msg.err{color:var(--out)}.chx .msg.ok{color:var(--in)}
.chx .dots{display:flex;gap:14px;justify-content:center;margin:6px 0 16px}
.chx .dots i{width:16px;height:16px;border-radius:50%;border:2px solid var(--mute)}.chx .dots i.f{background:var(--ink);border-color:var(--ink)}
.chx .pad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:300px;margin:0 auto}
.chx button{font:inherit;cursor:pointer}
.chx .pad button{font-size:24px;font-weight:500;padding:16px 0;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.chx .pad button.s{font-size:15px;color:var(--mute)}
.chx button:focus-visible,.chx input:focus-visible{outline:3px solid var(--in);outline-offset:2px}
.chx .top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}.chx .top b{font-size:20px}
.chx .ghost{font-size:14px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 10px}
.chx .st{font-weight:600;margin-bottom:8px}.chx .el{font:500 28px Georgia,serif;margin:0 0 10px}
.chx label{display:block;font-size:14px;color:var(--mute);margin-bottom:6px}
.chx input[type=text]{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:8px;padding:9px 12px}
.chx .go{width:100%;margin-top:14px;padding:18px;font-size:20px;font-weight:600;border:0;border-radius:10px;color:#fff;background:var(--in)}.chx .go.out{background:var(--out)}.chx .go:disabled{opacity:.6}
.chx .sum{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
.chx .sum div{border:1px solid var(--line);border-radius:10px;padding:10px 12px}.chx .sum b{display:block;font:500 22px Georgia,serif}.chx .sum span{font-size:14px;color:var(--mute)}
.chx h3{font-size:16px;margin:16px 0 6px}.chx .row{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line)}.chx .row small{display:block;color:var(--mute)}
.chx .clocks{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 16px}
.chx .clk{display:flex;flex-direction:column;align-items:center;border:1px solid var(--line);border-radius:10px;padding:10px 4px;min-width:0}
.chx .clk .l{font-size:12px;font-weight:600;color:var(--mute);text-transform:uppercase;letter-spacing:.04em}
.chx .clk .t{font:500 clamp(16px,4.8vw,24px)/1.2 Georgia,serif;margin:2px 0;white-space:nowrap;letter-spacing:-.02em}
.chx .clk .d{font-size:12px;color:var(--mute);text-transform:capitalize;white-space:nowrap}
.chx .clk.main{border-color:var(--in)}
.chx .clk.main .t{font-size:clamp(18px,5.4vw,27px)}
.chx .tzn{font-size:13px;color:var(--mute);margin:10px 0 0}