:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#071425;color:#f7f9fc}body{padding:max(10px,env(safe-area-inset-top)) 10px max(12px,env(safe-area-inset-bottom))}.app{width:420px;max-width:100%;margin:auto}header{height:58px;padding:10px 12px;display:flex;justify-content:space-between;align-items:center;border:1px solid #294866;border-radius:12px;background:#102841}h1{font-size:18px;margin:0}header p{font-size:11px;color:#91b9e1;margin:4px 0 0}header>b{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:#2363a4}
.record-btn{display:grid;place-items:center;width:38px;height:38px;border:1px solid #355470;border-radius:9px;background:#17304b;color:#d9e8f8;font:inherit;font-size:13px;font-weight:900;cursor:pointer;padding:0}.record-btn:active{transform:scale(.98)}
.record-panel{margin-top:10px;padding:12px;border:1px solid #294866;border-radius:11px;background:#0d2037}.record-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.record-head b{display:block;font-size:14px}.record-head small{display:block;color:#7f9ab5;margin-top:3px}.record-head strong{font-size:22px}.record-list{margin-top:9px;max-height:190px;overflow:auto;border:1px solid #294866;border-radius:8px}.record-item,.record-empty{min-height:40px;padding:8px 10px;display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:1px solid #203a55}.record-item:last-child{border-bottom:0}.record-item time{color:#7f9ab5;font-size:11px}.record-item b{font-size:14px}.record-empty{justify-content:center;color:#7f9ab5}.record-clear{margin-top:8px}
nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0}.tab,.modes button,.clear,.add{border:1px solid #355470;border-radius:9px;background:#10243b;color:#b9cce3;font-weight:800}.tab{height:38px}.tab.active{background:#efb536;border-color:#efb536;color:#182335}.page{display:none}.page.active{display:block}.card{border:1px solid #294866;border-radius:11px;background:#0d2037}.fields{padding:10px}.fields label{display:grid;grid-template-columns:95px 1fr;gap:8px;align-items:center;color:#b8cae0;font-size:12px;font-weight:800;margin-bottom:8px}.fields label:last-child{margin-bottom:0}.fields.one{margin-top:8px}.stake-box{display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center}input,select{width:100%;height:38px;border:1px solid #3f607e;border-radius:8px;background:#102943;color:#fff;padding:6px 10px;font-size:16px;outline:none}input:focus,select:focus{border-color:#65abf4}.modes{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:8px 0}.modes button{height:34px}.modes button.active{background:#2363a4;border-color:#64adf2;color:#fff}.swap-btn{width:54px;height:38px;border:1px solid #6a8fb8;border-radius:8px;background:#17304b;color:#fff;font-size:20px;font-weight:900;line-height:1;padding:0}.swap-btn:active{transform:scale(.98)}.hero{min-height:112px;display:grid;place-items:center;align-content:center;gap:5px;border:2px solid #3d9be4;border-radius:13px;background:linear-gradient(140deg,#113b60,#0d2945);box-shadow:0 0 18px rgba(56,153,227,.16)}.hero span{font-size:13px;color:#add5fa;font-weight:900}.hero strong{font-size:42px;line-height:1;letter-spacing:.5px}.hero em{font-size:10px;font-style:normal;color:#88aecf}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:8px}.metrics div{min-height:66px;display:grid;place-items:center;align-content:center;gap:5px;border:1px solid #294866;border-radius:10px;background:#0d2037}.metrics span{font-size:11px;color:#9fb6cf}.metrics b{font-size:20px}.pos{color:#65e4a0}.neg{color:#ff8189}.clear{width:100%;height:35px;margin-top:8px}.row-title{display:flex;justify-content:space-between;align-items:center;margin:10px 2px 7px}.row-title b{display:block}.row-title small{display:block;color:#7f9ab5;margin-top:3px}.add{width:105px;height:34px}.bets{max-height:238px;overflow:auto;padding-right:2px}.bet{display:grid;grid-template-columns:63px 1fr 1.18fr 35px;gap:6px;margin-bottom:7px}.bet button{height:38px;border:1px solid #6a3541;border-radius:8px;background:#351d28;color:#ff9299;font-size:20px}.bet select,.bet input{font-size:14px}.arb-status{min-height:44px;margin:2px 0 8px;display:flex;align-items:center;justify-content:center;border:1px solid;border-radius:9px;font-size:18px;font-weight:900;letter-spacing:.3px;text-align:center}.arb-status.pending{color:#b9cce3;border-color:#355470;background:#10243b}.arb-status.yes{color:#8de8a6;border-color:#5aa373;background:#183346}.arb-status.no{color:#ff9aa0;border-color:#8f4550;background:#3a2028}@media(max-width:440px){body{padding-left:6px;padding-right:6px}.hero strong{font-size:38px}}@media(max-height:760px) and (min-width:500px){.app{zoom:.9}}



/* Desktop extension: preserve the original compact calculator proportions. */
@media (min-width: 0px){
  body{padding:10px 10px 12px}
  .app{width:420px;max-width:420px;margin:0 auto}
  header{height:58px;padding:10px 12px;border-radius:12px}
  h1{font-size:18px;line-height:1.1}
  header p{font-size:11px;margin-top:4px}
  nav{gap:8px;margin:8px 0}
  .tab{height:38px;border-radius:9px;font-size:16px}
  .card{border-radius:11px}
  .fields{padding:10px}
  .fields label{margin-bottom:8px;font-size:12px}
  .fields .odds-label{display:block;font-size:12px;margin:0}
  .fields .odds-label input{display:block;margin-top:6px;width:100%;}
  .fields{display:grid;grid-template-columns:1fr 1fr;gap:10px 10px}
  .fields .odds-label{grid-column:span 1}
  .fields #qArbStatus{grid-column:1 / -1;margin:0}
  .fields .stake-label{grid-column:1 / -1}
  .stake-box{gap:6px}
  input,select{height:38px;border-radius:8px;padding:6px 10px;font-size:16px}
  .swap-btn{width:54px;height:38px;border-radius:8px;font-size:20px}
  .arb-status{min-height:44px;border-radius:9px;font-size:18px}
  .modes{gap:6px;margin:8px 0}
  .modes button{height:34px;border-radius:9px;font-size:14px}
  .hero{min-height:112px;border-radius:13px;gap:5px}
  .hero span{font-size:13px}
  .hero strong{font-size:42px}
  .hero em{font-size:11px}
  .metrics{gap:7px;margin-top:8px}
  .metrics div{min-height:66px;border-radius:10px;gap:5px}
  .metrics span{font-size:11px}
  .metrics b{font-size:20px}
  .clear{height:35px;margin-top:8px;border-radius:9px;font-size:14px}
  .row-title{margin:10px 2px 7px}
  .row-title b{font-size:14px}
  .row-title small{font-size:11px}
  .add{width:105px;height:34px;border-radius:9px;font-size:14px}
  .bets{max-height:238px}
  .bet{grid-template-columns:63px 1fr 1.18fr 35px;gap:6px;margin-bottom:7px}
  .bet button{height:38px;border-radius:8px;font-size:20px}
  .bet select,.bet input{height:38px;font-size:14px}
  .record-btn{width:38px;height:38px;border-radius:9px;font-size:13px}
  .record-panel{margin-top:10px;padding:12px;border-radius:11px}
  .record-head b{font-size:14px}.record-head small{font-size:11px}.record-head strong{font-size:22px}
  .record-list{margin-top:9px;max-height:190px;border-radius:8px}.record-item,.record-empty{min-height:40px;padding:8px 10px}.record-item time{font-size:11px}.record-item b{font-size:14px}
  .record-clear{height:35px;border-radius:9px;font-size:14px}
}
.hero em#qHint{max-width:94%;text-align:center;line-height:1.35}

/* 彩金（本+利）小標注 */
.metrics > div small{display:block;margin-top:4px;font-size:12px;line-height:1.25;color:#9eb7d2;font-weight:600}.metrics > div small b{display:inline;color:#dcecff;margin-left:4px;font-size:12px;font-weight:800}

.metrics small{display:block;margin-top:8px;color:#9eb9d4;font-size:13px;font-weight:500;line-height:1.35}.metrics small span{color:#c7dbef;font-weight:700}

/* v10: return calculation line */
.metrics > div small{display:block;margin-top:4px;color:#dcecff;font-size:12px;line-height:1.25;font-weight:800;white-space:nowrap}

/* v11 exact return display */
.metrics > div small{display:block;margin-top:4px;color:#dcecff;font-size:11px;line-height:1.25;font-weight:800;white-space:nowrap;letter-spacing:-.1px}

.metrics small{display:block;margin-top:10px;font-size:clamp(13px,2.7vw,17px);font-weight:800;white-space:nowrap;letter-spacing:0;line-height:1.2;overflow:hidden;text-overflow:clip}

/* v20 Mobile: full-width phone layout */
html,body{width:100%;overflow-x:hidden}
body{padding:8px 8px max(10px,env(safe-area-inset-bottom));background:#071425}
.app{width:100%;max-width:480px;margin:0 auto}
header{height:auto;min-height:56px;padding:10px 12px}
h1{font-size:17px}
nav{gap:7px;margin:8px 0}
.tab{height:40px;font-size:15px}
.fields{padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:9px}
.fields .odds-label{display:block;font-size:12px;margin:0}
.fields .odds-label input{display:block;margin-top:5px;width:100%}
.fields #qArbStatus{grid-column:1 / -1;margin:0;min-height:42px;font-size:16px}
.fields .stake-label{grid-column:1 / -1}
input,select{height:40px;font-size:16px}
.swap-btn{height:40px;width:48px}
.modes{gap:5px;margin:8px 0}
.modes button{height:36px;font-size:13px}
.hero{min-height:108px}
.hero strong{font-size:40px;max-width:100%;overflow:hidden;text-overflow:ellipsis}
.hero em{font-size:10px;max-width:92%;white-space:normal}
.metrics{gap:7px}
.metrics div{min-height:72px;padding:6px}
.metrics b{font-size:19px}
.metrics small{font-size:11px;max-width:100%;white-space:nowrap;overflow:hidden}
.row-title{margin:9px 1px 7px;gap:8px}
.row-title small{font-size:10px}
.add{width:96px;height:34px;font-size:13px}
.bets{max-height:none;overflow:visible}
.bet{grid-template-columns:56px minmax(0,1fr) minmax(0,1.15fr) 34px;gap:5px}
.bet input,.bet select{min-width:0}
.record-panel{margin-top:9px}
@media(max-width:360px){
  body{padding-left:5px;padding-right:5px}
  .fields{gap:7px;padding:8px}
  .metrics{gap:6px}
  .metrics div{min-height:68px}
  .hero strong{font-size:36px}
  .bet{grid-template-columns:52px minmax(0,1fr) minmax(0,1.05fr) 32px}
}