:root{
  --bg:#0b0f17; --card:#141b27; --card2:#1c2738; --line:#26344a;
  --txt:#e7edf6; --mut:#8aa0bd; --acc:#3b82f6; --acc2:#2563eb;
  --ok:#22c55e; --off:#64748b; --slot:#223049;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  -webkit-tap-highlight-color:transparent}
.bar{display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;background:#0e1420;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:5;padding-top:max(14px,env(safe-area-inset-top))}
.brand{font-weight:700;font-size:18px;letter-spacing:.5px;display:flex;gap:8px;align-items:baseline}
.brand small{color:var(--mut);font-weight:500;font-size:11px;letter-spacing:1px}
.logo{color:var(--acc)}
.status{font-size:12px;padding:4px 10px;border-radius:999px;background:#1b2a16;color:var(--ok)}
.status.off{background:#22303f;color:var(--off)}
#app{max-width:680px;margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:16px}
h2{margin:0 0 8px;font-size:17px}
.muted{color:var(--mut);font-size:13px;line-height:1.5}
.codebox{display:flex;gap:10px;margin-top:14px}
#code{flex:1;font-size:30px;letter-spacing:14px;text-align:center;font-weight:700;
  background:var(--card2);border:1px solid var(--line);border-radius:12px;color:var(--txt);
  padding:12px;width:100%}
button{cursor:pointer;border:none;border-radius:12px;font-weight:600;font-size:15px;
  background:var(--acc);color:#fff;padding:0 20px}
button:active{background:var(--acc2)}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--mut);padding:8px 12px;font-size:13px}
.hidden{display:none}
.devrow{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.pill{font-size:11px;padding:3px 9px;border-radius:999px;background:#22303f;color:var(--off);margin-left:6px}
.pill.on{background:#16331f;color:var(--ok)}
.mon{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:14px}
.monhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.monhead b{font-size:15px}
.monhead .dim{color:var(--mut);font-size:12px;font-weight:400}
.divrow{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.divrow label{font-size:13px;color:var(--mut)}
.divrow input{width:64px;background:var(--card2);border:1px solid var(--line);border-radius:10px;
  color:var(--txt);font-size:16px;text-align:center;padding:8px;font-weight:700}
.divrow .chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:12px;padding:6px 10px;border-radius:999px;background:var(--card2);
  border:1px solid var(--line);color:var(--mut)}
.chip.sel{background:var(--acc);color:#fff;border-color:var(--acc)}
.grid{display:grid;gap:6px;background:var(--card2);border:1px solid var(--line);
  border-radius:12px;padding:6px;width:100%}
.slot{background:var(--slot);border:1px solid #2c3e5c;border-radius:8px;
  display:flex;align-items:center;justify-content:center;color:var(--mut);
  font-size:13px;font-weight:700;min-height:34px;transition:.08s}
.slot:active{background:var(--acc);color:#fff;transform:scale(.97)}
.slot.flash{background:var(--ok);color:#08230f}
.foot{text-align:center;color:var(--mut);font-size:11px;padding:20px 16px;
  padding-bottom:max(20px,env(safe-area-inset-bottom))}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);
  background:#0e1420;border:1px solid var(--line);color:var(--txt);
  padding:10px 18px;border-radius:999px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;z-index:9}
.toast.show{opacity:1}