:root{
  --ink:#16241f; --muted:#6b7c76; --line:#dfe6e3; --bg:#f4f7f6; --card:#fff;
  --brand:#14533c; --brand2:#1d7a58; --ok:#1f8f5f; --warn:#b8860b; --danger:#c0392b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Noto Sans TC","Microsoft JhengHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.65;-webkit-text-size-adjust:100%;
}
.hidden{display:none !important}

/* ---------- 登入 ---------- */
#loginView{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(160deg,#0f3b2b,#1d7a58)}
.login-card{background:#fff;border-radius:18px;padding:32px 28px;width:100%;max-width:390px;
  box-shadow:0 18px 50px rgba(0,0,0,.22)}
.login-card h1{margin:0;font-size:21px;text-align:center}
.login-card .sub{margin:4px 0 22px;text-align:center;color:var(--muted);font-size:14px}
.login-card label{display:block;font-size:13px;font-weight:700;margin:12px 0 5px}
.login-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit}
.login-card .btn{width:100%;margin-top:20px}
.err{color:var(--danger);font-size:14px;min-height:20px;margin:10px 0 0;text-align:center}
.hint{color:var(--muted);font-size:13px;margin:6px 0 0}
.login-card .hint{text-align:center;margin-top:14px}

/* ---------- 版面 ---------- */
header{background:var(--brand);color:#fff;position:sticky;top:0;z-index:5}
.bar{max-width:1060px;margin:0 auto;padding:12px 16px;display:flex;justify-content:space-between;
  align-items:center;gap:12px;flex-wrap:wrap}
.brand{font-weight:700}
.who{display:flex;align-items:center;gap:10px;font-size:14px}
main{max-width:1060px;margin:0 auto;padding:20px 16px 60px}
footer{max-width:1060px;margin:0 auto;padding:0 16px 40px;color:var(--muted);font-size:13px}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:16px}
.card h2{margin:0 0 4px;font-size:17px}
.card h3{margin:20px 0 8px;font-size:15px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font:inherit;background:#fff}

.btn{background:var(--brand);color:#fff;border:0;border-radius:9px;padding:11px 20px;
  font:inherit;font-weight:700;cursor:pointer}
.btn:disabled{opacity:.5;cursor:default}
.btn.small{padding:6px 13px;font-size:13px}
.btn.ghost{background:rgba(255,255,255,.16)}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line);font-weight:400}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font-size:12px;color:var(--muted);font-weight:700}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
tr.click{cursor:pointer}
tr.click:hover{background:#f7faf9}

.tag{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.t-prod{background:#e7f0ff;color:#1a4f9c}
.t-qc{background:#fdf0d5;color:#8a6100}
.t-pack{background:#e6f7ef;color:#12704b}
.t-ship{background:#efe9fb;color:#5b3fa6}
.t-done{background:#eceff0;color:#5b6a66}

.steps{display:flex;gap:6px;margin:16px 0 6px;flex-wrap:wrap}
.step{flex:1 1 88px;text-align:center;font-size:12px;padding:9px 4px;border-radius:9px;background:#eef2f1;color:var(--muted)}
.step.done{background:#dff0e7;color:#12704b;font-weight:700}
.step.now{background:var(--brand);color:#fff;font-weight:700}

.bar-meter{height:12px;background:#e9efec;border-radius:999px;overflow:hidden}
.bar-meter span{display:block;height:100%;background:linear-gradient(90deg,var(--brand2),var(--ok))}

.kv{display:grid;grid-template-columns:120px 1fr;gap:9px 14px;font-size:14px;margin:0}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600}

.alert{border-radius:10px;padding:12px 16px;font-size:14px;margin-bottom:16px}
.alert.info{background:#eaf3ff;border-left:5px solid #1a4f9c}
.alert.warn{background:#fff6e0;border-left:5px solid var(--warn)}

.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:#16241f;color:#fff;
  padding:12px 20px;border-radius:10px;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:20;max-width:90vw}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--ok)}

@media(max-width:640px){
  .kv{grid-template-columns:92px 1fr}
  main{padding:14px 12px 50px}
  .card{padding:16px}
}

.msg-list{margin-top:12px;max-height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}
.msg{max-width:82%;padding:10px 13px;border-radius:12px;font-size:14px;line-height:1.6}
.msg.cust{align-self:flex-end;background:#e6f7ef;border:1px solid #cbe9db}
.msg.staff{align-self:flex-start;background:#f2f5f4;border:1px solid var(--line)}
.msg-who{font-size:12px;color:var(--muted);margin-bottom:4px}
.msg-body{white-space:pre-wrap;word-break:break-word}
textarea{width:100%;box-sizing:border-box;padding:11px 12px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;resize:vertical}
textarea:focus{outline:none;border-color:var(--brand)}