:root{
  --primary:#0b5fff;
  --bg:#f4f6fb;
  --card:#fff;
  --text:#111827;
  --muted:#6b7280;
  --ok:#0f766e;
  --err:#b91c1c;
  --shadow: 0 8px 24px rgba(0,0,0,.08);
  --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans TC",sans-serif;color:var(--text);background:var(--bg)}
.bg{min-height:100vh;display:grid;place-items:center;padding:18px}
.card{width:min(520px,100%);background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:var(--shadow)}
h1,h2,h3{margin:0 0 12px}
.muted{color:var(--muted);font-size:.92rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.form{display:grid;gap:10px}
label{font-size:.92rem;color:#374151}
input,select{width:100%;padding:12px;border:1px solid #e5e7eb;border-radius:12px;font-size:1rem;background:#fff}
small{color:var(--muted);line-height:1.35}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 14px;border:1px solid #d1d5db;border-radius:12px;background:#fff;color:#111827;text-decoration:none;cursor:pointer}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.row{display:flex;gap:10px;align-items:center}
.row > *{flex:1}

/* ✅ 新增：checkbox / inline 元件永遠水平排列，不受手機版 row 直排影響 */
.inline{
  display:flex;
  align-items:center;
  gap:8px;
}
.inline input[type="checkbox"]{
  width:auto;
  flex:0 0 auto;
}

.alert{padding:10px 12px;border-radius:12px;font-size:.95rem}
.alert.ok{background:#ecfdf5;color:var(--ok);border:1px solid #a7f3d0}
.alert.error{background:#fef2f2;color:var(--err);border:1px solid #fecaca}
.hr{border:none;border-top:1px solid #e5e7eb;margin:14px 0}

.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.brand{font-weight:800}
.user{display:flex;gap:12px;align-items:center}
.pill{font-size:.82rem;padding:6px 10px;border-radius:999px;background:#eef2ff;color:#1e40af}
.link{color:var(--primary);text-decoration:none}

.tabs{position:sticky;top:52px;z-index:9;display:flex;gap:6px;overflow:auto;padding:10px;background:#fff;border-bottom:1px solid #e5e7eb}
.tabs a{white-space:nowrap;padding:10px 12px;border-radius:12px;text-decoration:none;color:#111827;border:1px solid #e5e7eb;background:#fff}
.tabs a:hover{border-color:#c7d2fe}

.container{padding:14px;max-width:980px;margin:0 auto}
.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;margin:0 0 14px}
.grid{display:grid;gap:14px;grid-template-columns:1fr}
.big{font-size:2rem;font-weight:800}
.table{display:grid;gap:8px}
.trow{display:grid;grid-template-columns: 140px 90px 1fr 110px;gap:10px;align-items:center;padding:10px;border:1px solid #eef2f7;border-radius:12px}
.thead{background:#f8fafc;font-weight:700}
.right{text-align:right}
.pos{color:#047857}
.neg{color:#b91c1c}
.qr{display:grid;place-items:center;padding:10px;border:1px dashed #cbd5e1;border-radius:12px;margin:10px 0}

@media (max-width:720px){
  .trow{grid-template-columns: 1fr; gap:6px}
  .thead{display:none}
  .right{text-align:left}
  /* ✅ 改這行：只有一般 row 變直排，inline 不變 */
  .row:not(.inline){flex-direction:column}
  .tabs{top:50px}
}
.toast{
  position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
  background:#111827;color:#fff;padding:12px 14px;border-radius:14px;
  box-shadow:var(--shadow);max-width:min(520px,92vw);z-index:9999
}