/* 退貨退款試算 — 樣式表（自原單檔 HTML 拆出） */
html{color-scheme:light}
img{max-width:100%}

:root{
  --bg:#F4F6F3; --surface:#FFFFFF; --surface2:#EDF0EC; --line:#D8DED6; --line-strong:#BFC8BF;
  --ink:#17211F; --ink2:#5C6A66; --ink3:#8A9691;
  --accent:#0E6F62; --accent-ink:#FFFFFF; --accent-soft:#DCEBE6;
  --neg:#A8452E; --neg-soft:#F6E3DC; --warn:#8C6212; --warn-soft:#F6EBD3;
  --shadow:0 1px 2px rgba(23,33,31,.06), 0 8px 24px -16px rgba(23,33,31,.35);
  --r:10px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#101614; --surface:#182220; --surface2:#1E2926; --line:#2C3936; --line-strong:#3C4B47;
    --ink:#E4EDE9; --ink2:#9CACA7; --ink3:#75857F;
    --accent:#4FC3AE; --accent-ink:#08201C; --accent-soft:#1D3B35;
    --neg:#E08163; --neg-soft:#3A231B; --warn:#D8AC55; --warn-soft:#332815;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px -18px rgba(0,0,0,.8);
  }
}
:root[data-theme="dark"]{
  --bg:#101614; --surface:#182220; --surface2:#1E2926; --line:#2C3936; --line-strong:#3C4B47;
  --ink:#E4EDE9; --ink2:#9CACA7; --ink3:#75857F;
  --accent:#4FC3AE; --accent-ink:#08201C; --accent-soft:#1D3B35;
  --neg:#E08163; --neg-soft:#3A231B; --warn:#D8AC55; --warn-soft:#332815;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px -18px rgba(0,0,0,.8);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"Noto Sans TC",-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:15px; line-height:1.65; -webkit-font-smoothing:antialiased;
}
.num,input[type=number]{font-family:"IBM Plex Mono","Noto Sans TC",monospace;font-variant-numeric:tabular-nums}
h1,h2,h3{font-family:"Noto Serif TC",serif;margin:0;text-wrap:balance;letter-spacing:.01em}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink);background:var(--surface);
  border:1px solid var(--line-strong);border-radius:8px;padding:7px 9px;width:100%}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{
  outline:2px solid var(--accent);outline-offset:1px}
label{font-size:12px;color:var(--ink2);display:block;margin-bottom:4px;letter-spacing:.04em}

/* header */
.top{border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:30}
.top-in{max-width:1280px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:10px}
.brand h1{font-size:19px}
.brand span{font-size:11.5px;color:var(--ink3);letter-spacing:.14em}
.top-tools{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.btn{background:var(--surface2);border:1px solid var(--line-strong);color:var(--ink);
  border-radius:8px;padding:7px 13px;font-size:13.5px;transition:background .15s,border-color .15s}
.btn:hover{border-color:var(--accent);background:var(--accent-soft)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn.sm{padding:4px 9px;font-size:12.5px}
.btn.danger:hover{border-color:var(--neg);background:var(--neg-soft);color:var(--neg)}

/* layout */
.wrap{max-width:1280px;margin:0 auto;padding:22px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(340px,1fr);gap:20px;align-items:start}
@media(max-width:1000px){.wrap{grid-template-columns:1fr}}
.col{display:flex;flex-direction:column;gap:16px;min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.panel>header{display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.panel>header h2{font-size:15px}
.panel>header .hint{font-size:12px;color:var(--ink3)}
.panel>header .sp{margin-left:auto;display:flex;gap:6px}
.body{padding:14px 16px}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:640px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* tables */
table{width:100%;border-collapse:collapse}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch}
#tItems{min-width:660px}
#tCoupons,#tGifts{min-width:620px}
th{font-size:11.5px;font-weight:500;color:var(--ink3);text-align:left;letter-spacing:.06em;
  padding:0 8px 7px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:6px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr.ret td{background:var(--neg-soft)}
input[type=checkbox]{width:17px;height:17px;accent-color:var(--accent);cursor:pointer;padding:0}
.x{background:none;border:none;color:var(--ink3);font-size:15px;padding:2px 6px;border-radius:6px;line-height:1}
.x:hover{color:var(--neg);background:var(--neg-soft)}
.empty{color:var(--ink3);font-size:13px;padding:14px 2px}

/* result */
.result{position:sticky;top:74px}
.amount{padding:20px 18px 16px;border-bottom:1px solid var(--line)}
.amount .lbl{font-size:11.5px;letter-spacing:.16em;color:var(--ink3)}
.amount .big{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;
  font-size:46px;font-weight:600;line-height:1.1;color:var(--accent);margin-top:2px}
.amount .big.neg{color:var(--neg)}
.amount .big.blocked{font-size:26px;letter-spacing:0;color:var(--warn)}
.amount .sub{font-size:12.5px;color:var(--ink2);margin-top:4px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.chip{font-size:11.5px;padding:3px 9px;border-radius:999px;border:1px solid var(--line-strong);color:var(--ink2);background:var(--surface2)}
.chip.warn{background:var(--warn-soft);border-color:var(--warn);color:var(--warn)}
.chip.neg{background:var(--neg-soft);border-color:var(--neg);color:var(--neg)}
.chip.ok{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.steps{list-style:none;margin:0;padding:0}
.steps li{padding:9px 16px;border-bottom:1px solid var(--line);display:flex;gap:10px;font-size:13.5px}
.steps li:last-child{border-bottom:none}
.steps .k{color:var(--ink3);font-size:11px;letter-spacing:.08em;min-width:44px;padding-top:2px;
  font-family:"IBM Plex Mono",monospace}
.steps .v{flex:1;min-width:0}
.steps .v b{font-weight:500}
.steps .v .m{display:block;color:var(--ink2);font-size:12.5px}
.money{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;white-space:nowrap}
.money.minus{color:var(--neg)}
.script{padding:14px 16px;background:var(--surface2);border-top:1px solid var(--line);
  border-radius:0 0 var(--r) var(--r)}
.script pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:"Noto Sans TC",sans-serif;
  font-size:13.5px;line-height:1.85}
.script .eq{font-family:"IBM Plex Mono","Noto Sans TC",monospace;font-size:13px}
.rowbar{display:flex;align-items:center;gap:8px;padding:10px 16px;border-top:1px solid var(--line)}
.rowbar h3{font-size:13px;letter-spacing:.04em}
.rowbar .sp{margin-left:auto}

/* modal */
.mask{position:fixed;inset:0;background:rgba(10,16,15,.55);display:flex;align-items:flex-start;
  justify-content:center;padding:40px 16px;overflow:auto;z-index:60}
.mask[hidden]{display:none}
.modal{background:var(--surface);border-radius:12px;border:1px solid var(--line);width:100%;max-width:860px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5)}
.modal header{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);gap:10px}
.modal header h2{font-size:16px}
.modal .body{max-height:calc(100vh - 220px);overflow:auto}
.camp{border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden}
.camp>summary{padding:11px 14px;cursor:pointer;background:var(--surface2);font-weight:500;font-size:14px;
  display:flex;align-items:center;gap:10px;list-style:none}
.camp>summary::-webkit-details-marker{display:none}
.camp>summary::before{content:"▸";color:var(--ink3);font-size:11px}
.camp[open]>summary::before{content:"▾"}
.camp .in{padding:12px 14px;display:flex;flex-direction:column;gap:14px}
.sect h3{font-size:12px;letter-spacing:.1em;color:var(--ink3);margin-bottom:6px;font-family:"Noto Sans TC",sans-serif;font-weight:500}
.note{font-size:12.5px;color:var(--ink2);background:var(--surface2);border-left:3px solid var(--accent);
  padding:9px 12px;border-radius:0 8px 8px 0}
.foot{padding:12px 18px;border-top:1px solid var(--line);display:flex;gap:8px;align-items:center}
.foot .sp{margin-left:auto}
textarea{min-height:190px;resize:vertical;line-height:1.7}
.drop{border:2px dashed var(--line-strong);border-radius:12px;background:var(--surface2);
  padding:22px 16px;text-align:center;margin-top:12px;transition:border-color .15s,background .15s}
.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.drop-in{display:flex;flex-direction:column;gap:8px;align-items:center}
.drop-ico{font-size:26px;line-height:1}
.drop-hint{font-size:12px;color:var(--ink3)}
#shotPrev{display:none;max-width:100%;max-height:300px;margin-top:14px;border-radius:8px;
  border:1px solid var(--line-strong)}
#shotPrev.on{display:inline-block}
.bar{height:6px;border-radius:99px;background:var(--surface2);overflow:hidden;margin-top:14px;
  border:1px solid var(--line)}
.bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.bar-t{font-size:12.5px;color:var(--ink2);margin-top:6px;font-variant-numeric:tabular-nums}
#ocrText{min-height:150px;font-size:13.5px}
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);z-index:80;
  background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:10px;font-size:13.5px;
  box-shadow:0 12px 30px -12px rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
  max-width:min(90vw,560px)}
#toast.on{opacity:1;transform:translate(-50%,0)}
.warnbox{font-size:12.5px;color:var(--neg);background:var(--neg-soft);border-radius:8px;
  padding:9px 12px;margin-top:10px}
.tag{font-size:11px;padding:2px 7px;border-radius:5px;background:var(--accent-soft);color:var(--accent);
  border:1px solid var(--accent);white-space:nowrap}
.btn.big{padding:9px 18px;font-size:15px;font-weight:500}
.menu{position:relative}
.menu>summary{list-style:none;cursor:pointer;display:inline-block}
.menu>summary::-webkit-details-marker{display:none}
.menu-pop{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);
  border:1px solid var(--line-strong);border-radius:10px;box-shadow:var(--shadow);
  padding:6px;display:flex;flex-direction:column;min-width:190px;z-index:40}
.mi{background:none;border:none;text-align:left;padding:9px 12px;border-radius:7px;color:var(--ink);font-size:14px}
.mi:hover{background:var(--surface2)}
.mi.danger{color:var(--neg)}
.guide{padding:20px 22px 22px}
.guide h2{font-size:17px;margin-bottom:14px}
.steps3{list-style:none;counter-reset:s;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.steps3 li{counter-increment:s;display:grid;grid-template-columns:30px 1fr;gap:12px;align-items:start}
.steps3 li::before{content:counter(s);width:26px;height:26px;border-radius:50%;background:var(--accent);
  color:var(--accent-ink);display:grid;place-items:center;font-size:13px;font-weight:600;
  font-family:"IBM Plex Mono",monospace}
.steps3 li b{grid-column:2;display:block;font-weight:500;font-size:15px}
.steps3 li span{grid-column:2;display:block;color:var(--ink2);font-size:13.5px;margin-top:2px;line-height:1.6}
.steps3.big li span{font-size:14px}
.guide-tip{font-size:13px;color:var(--ink3);margin:16px 0 0;padding-top:12px;border-top:1px solid var(--line)}
kbd{font-family:"IBM Plex Mono",monospace;font-size:12px;background:var(--surface2);
  border:1px solid var(--line-strong);border-bottom-width:2px;border-radius:5px;padding:1px 5px}
.adv>summary{list-style:none;cursor:pointer;padding:13px 16px;display:flex;align-items:center;gap:12px;
  flex-wrap:wrap;border-radius:var(--r)}
.adv>summary::-webkit-details-marker{display:none}
.adv>summary::before{content:"▸";color:var(--ink3);font-size:11px}
.adv[open]>summary::before{content:"▾"}
.adv[open]>summary{border-bottom:1px solid var(--line);border-radius:var(--r) var(--r) 0 0}
.advt{font-family:"Noto Serif TC",serif;font-size:15px;font-weight:600}
.advsum{color:var(--ink3);font-size:12.5px;font-variant-numeric:tabular-nums}
.subhead{display:flex;align-items:center;gap:10px;padding:12px 16px 0;font-size:13px;font-weight:500;
  color:var(--ink);border-top:1px solid var(--line);margin-top:4px;padding-top:14px;flex-wrap:wrap}
.subhead .hint{font-size:12px;color:var(--ink3);font-weight:400}
.subhead .sp{margin-left:auto;display:flex;gap:6px}
.detail{border-top:1px solid var(--line)}
.detail>summary{list-style:none;cursor:pointer;padding:11px 16px;font-size:13px;color:var(--ink2)}
.detail>summary::-webkit-details-marker{display:none}
.detail>summary::before{content:"▸ ";color:var(--ink3);font-size:11px}
.detail[open]>summary::before{content:"▾ "}
.detail>summary:hover{color:var(--accent)}
.script{padding:16px;background:var(--surface2);border-top:1px solid var(--line)}
.orderbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 16px;border-radius:var(--r)}
.orderbar label{margin:0;font-size:12px;color:var(--ink2);letter-spacing:.04em;white-space:nowrap}
.orderbar #fOrderNo{width:190px;font-family:"IBM Plex Mono",monospace;font-size:13px}
.orderbar #fSource{width:120px}
.ob-tag{font-size:12px;color:var(--ink3)}
.ob-tag b{color:var(--accent);font-weight:500}
.srcnote{margin:0;padding:11px 16px;font-size:13px;color:var(--warn);background:var(--warn-soft);
  border-bottom:1px solid var(--line)}
.srcnote.info{color:var(--accent);background:var(--accent-soft)}
.calcwarn{margin:0;padding:11px 16px;font-size:13px;color:var(--neg);background:var(--neg-soft);
  border-bottom:1px solid var(--line);line-height:1.6}
.bk-date{font-size:12px;color:var(--ink3)}
.bk-tabs{display:flex;gap:4px;padding:10px 16px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.bk-tab{background:none;border:none;padding:8px 13px;border-radius:8px 8px 0 0;font-size:13.5px;
  color:var(--ink2);border-bottom:2px solid transparent;margin-bottom:-1px}
.bk-tab:hover{color:var(--ink)}
.bk-tab.on{color:var(--accent);border-bottom-color:var(--accent);font-weight:500}
.bk-bar{display:flex;gap:8px;padding:12px 16px;align-items:center;flex-wrap:wrap;background:var(--surface2);
  border-bottom:1px solid var(--line)}
.bk-bar #bkSearch{flex:1;min-width:200px}
.bk-bar #bkCat{width:150px}
#bkBody{max-height:min(56vh,520px);overflow:auto;padding:0}
#bkBody table{width:100%}
#bkBody th{position:sticky;top:0;background:var(--surface);z-index:2;padding:9px 12px}
#bkBody td{padding:7px 12px;font-size:13.5px}
#bkBody tr:hover td{background:var(--surface2)}
.p-now{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;font-weight:600;color:var(--accent)}
.p-old{font-family:"IBM Plex Mono",monospace;color:var(--ink3);text-decoration:line-through;font-size:12px}
.p-team{font-size:12px;color:var(--ink3)}
.badge{font-size:10.5px;padding:1px 6px;border-radius:4px;border:1px solid var(--line-strong);color:var(--ink2);white-space:nowrap}
.badge.d{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.badge.old{opacity:.5}
.bk-note{padding:14px 16px;font-size:13.5px;line-height:1.8}
.bk-note h3{font-size:14px;margin:14px 0 6px}
.bk-note h3:first-child{margin-top:0}
.bk-note li{margin-left:18px}
.legend{font-size:12px;color:var(--ink3);padding:0 16px 12px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* 截取螢幕後的框選畫面 */
.cropmask{position:fixed;inset:0;background:rgba(10,16,15,.86);z-index:90;display:flex;flex-direction:column;align-items:center;padding:14px 16px;gap:10px}
.cropmask[hidden]{display:none}
.crop-bar{display:flex;align-items:center;gap:12px;width:100%;max-width:1400px;color:#fff;font-size:14px}
.crop-bar .hint{color:rgba(255,255,255,.65);font-size:12px}
.crop-wrap{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;user-select:none;touch-action:none}
.crop-wrap canvas{max-width:96vw;max-height:calc(100vh - 70px);box-shadow:0 20px 50px rgba(0,0,0,.6);cursor:crosshair;display:block}
.crop-sel{position:absolute;border:2px dashed #4FC3AE;background:rgba(79,195,174,.18);pointer-events:none;box-shadow:0 0 0 9999px rgba(0,0,0,.35)}
.crop-sel[hidden]{display:none}

/* 上傳訂單檔：多筆訂單挑選 */
#pickSearch{width:100%;padding:9px 12px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit}
.pick-row{display:flex;gap:12px;align-items:center;padding:9px 6px;border-bottom:1px solid var(--line);font-size:13px}
.pick-row .no{font-family:"IBM Plex Mono",monospace;font-weight:600}
.pick-row .who{color:var(--ink2);min-width:70px}
.pick-row .sum{color:var(--ink3);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pick-row .amt{font-family:"IBM Plex Mono",monospace}
body.dragging::after{content:"放開就帶入這個訂單檔";position:fixed;inset:0;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:var(--accent);background:rgba(220,235,230,.85);z-index:95;border:4px dashed var(--accent)}

/* 線上模式 */
.online-only{display:inline-flex;gap:8px;align-items:center}
.provnote{margin:0;padding:8px 16px;font-size:12.5px;color:var(--ink2);background:var(--surface2);border-bottom:1px solid var(--line);display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.provnote .chip{font-size:11px}
.fixbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px 16px;font-size:12.5px;color:var(--ink2);border-bottom:1px solid var(--line);background:var(--warn-soft)}
.search-row{display:flex;gap:8px;margin-top:12px}
.search-row input{flex:1}
.pick-row .who{min-width:90px}
.login-wrap{max-width:420px;margin:60px auto;padding:0 16px}
.login-wrap .panel{padding:24px 22px}
.login-wrap h1{font-size:22px;margin-bottom:4px}
.login-wrap .sub{color:var(--ink3);font-size:13px;margin-bottom:18px}
.login-wrap form{display:flex;flex-direction:column;gap:12px}
.login-wrap .err{color:var(--neg);font-size:13px;min-height:18px}
#orderMetaNote.invalid{color:var(--neg);background:var(--neg-soft)}