:root{--bg:#f6f4ef;--card:#fff;--ink:#1f2328;--mute:#6b7280;--line:#e5e1d8;--brand:#b4531a;--brand-d:#8f3f12;--ok:#1a7f4b;--warn:#b42318;--yel:#fff6bf}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif}
header.top{position:sticky;top:0;z-index:5;background:var(--brand);color:#fff;padding:10px 16px;display:flex;align-items:center;gap:12px;justify-content:space-between}
header.top h1{font-size:18px;margin:0;font-weight:700}
header.top .sub{font-size:13px;opacity:.9}
main{max-width:760px;margin:0 auto;padding:12px 12px 110px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin:0 0 12px}
.card h2{font-size:15px;margin:0 0 10px;color:var(--mute);font-weight:600}
label{display:block;font-size:13px;color:var(--mute);margin:0 0 4px}
input,select,button,textarea{font:inherit}
input[type=text],input[type=number],input[type=date],input[type=month],input[type=password],select{width:100%;padding:12px;border:1px solid #cfc9bb;border-radius:10px;background:#fff;color:var(--ink);min-height:46px}
input:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.btn{border:0;border-radius:12px;padding:12px 16px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer;min-height:46px}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn.small{padding:6px 12px;min-height:34px;font-size:14px}
.btn:disabled{opacity:.5;cursor:default}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:13px;font-weight:600}
.badge.ok{background:#dff5e8;color:var(--ok)}
.badge.no{background:#fde8e6;color:var(--warn)}
.datebar{display:flex;gap:8px;align-items:center}
.datebar input{flex:1;text-align:center}
.datebar button{width:46px;padding:0}
.item{border-top:1px solid var(--line);padding:12px 0}
.item:first-child{border-top:0;padding-top:0}
.item .nm{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.item .nm b{font-size:18px}
.item .prev{font-size:13px;color:var(--mute)}
.item.weekend-flag{background:var(--yel)}
.bal{background:#f1efe8}
.bal.neg{background:#fde8e6;border-color:var(--warn);color:var(--warn)}
.hint{font-size:12px;color:var(--mute);margin-top:3px}
.footer{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom))}
.footer .in{max-width:760px;margin:0 auto;display:flex;gap:10px;align-items:center}
.footer .btn{flex:1}
.msg{padding:10px 12px;border-radius:10px;margin:0 0 12px;font-size:14px}
.msg.err{background:#fde8e6;color:var(--warn)}
.msg.ok{background:#dff5e8;color:var(--ok)}
table{width:100%;border-collapse:collapse}
th,td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
th{color:var(--mute);font-weight:600;white-space:nowrap}
td input{padding:6px;min-height:34px;width:72px}
.tabs{display:flex;gap:6px;overflow:auto;margin:0 0 12px}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:8px 16px;cursor:pointer;white-space:nowrap}
.tabs button.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;align-items:center;gap:8px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-start;justify-content:center;padding:20px 10px;overflow:auto;z-index:20}
.modal .box{background:#fff;border-radius:14px;max-width:760px;width:100%;padding:16px}
.link{color:var(--brand);text-decoration:underline;cursor:pointer;word-break:break-all;font-size:13px}
.off{opacity:.5}
.matrix th,.matrix td{text-align:center;padding:6px 8px}
.matrix th:first-child,.matrix td:first-child{text-align:left;position:sticky;left:0;background:#fff;white-space:nowrap}
.matrix td.neg{color:var(--warn);font-weight:700}
.matrix tr.sum td{background:#f1efe8}
.spread .tabs button{padding:4px 12px;font-size:14px}
@media (max-width:560px){.spread:has(#mtabs){flex-wrap:wrap}}
.center{text-align:center;padding:40px 16px;color:var(--mute)}