:root{
  --bg:#f4f6f9; --card:#fff; --ink:#1a2733; --mut:#68788c; --line:#e3e8ef;
  --acc:#0a7cff; --navy:#0b1f33; --ghost:#243b53; --bad:#e5484d;
}
*{box-sizing:border-box}
body{
  margin:0; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--ink); background:var(--bg);
}

/* ---- login screen ---- */
.login-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  padding:24px;
  background:linear-gradient(160deg,#0b1f33 0%,#132f4c 55%,#0a2540 100%);
}
.login-card{
  width:100%; max-width:380px; background:#fff; border-radius:16px;
  padding:34px 30px; box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.login-logo{ text-align:center; margin-bottom:22px }
.login-logo img{ max-height:52px; max-width:220px }
.login-logo .fallback{ font-size:20px; font-weight:700; color:var(--navy); letter-spacing:.5px }
.login-title{ text-align:center; font-size:15px; color:var(--mut); margin:0 0 22px }
label{ display:block; font-size:12.5px; font-weight:600; color:var(--ink); margin:0 0 6px }
input[type=email],input[type=password],input[type=text]{
  width:100%; padding:11px 12px; border:1px solid var(--line); border-radius:9px;
  font-size:14px; margin-bottom:16px; background:#fff;
}
input:focus{ outline:none; border-color:var(--acc); box-shadow:0 0 0 3px rgba(10,124,255,.15) }
.btn{
  display:inline-block; width:100%; padding:11px 14px; border:none; border-radius:9px;
  background:var(--acc); color:#fff; font-size:14px; font-weight:600; cursor:pointer;
}
.btn:hover{ filter:brightness(1.05) }
.btn.small{ width:auto; padding:7px 14px; font-size:13px }
.btn.ghost{ background:var(--ghost) }
.btn.danger{ background:var(--bad) }
.alert{
  background:#fdebec; color:#b3262c; border:1px solid #f5c2c5;
  padding:10px 12px; border-radius:9px; font-size:13px; margin-bottom:16px;
}
.foot-note{ text-align:center; font-size:11px; color:var(--mut); margin-top:18px }

/* ---- admin screen ---- */
.admin-head{
  background:var(--navy); color:#fff; padding:16px 24px;
  display:flex; align-items:center; gap:16px; flex-wrap:wrap;
}
.admin-head h1{ font-size:18px; font-weight:600; margin:0 }
.admin-head .right{ margin-left:auto; display:flex; gap:10px; align-items:center }
.admin-head .who{ font-size:12px; color:#9db4cc }
main.admin{ max-width:1000px; margin:24px auto; padding:0 20px }
.panel{ background:#fff; border:1px solid var(--line); border-radius:12px; padding:20px; margin-bottom:22px }
.panel h2{ font-size:15px; margin:0 0 16px }
table.grid{ width:100%; border-collapse:collapse; font-size:13px }
table.grid th,table.grid td{ padding:9px 10px; text-align:left; border-bottom:1px solid var(--line) }
table.grid th{ color:var(--mut); font-weight:600 }
.row{ display:flex; gap:14px; flex-wrap:wrap }
.row .col{ flex:1; min-width:150px }
select{ width:100%; padding:11px 12px; border:1px solid var(--line); border-radius:9px; font-size:14px; margin-bottom:16px; background:#fff }
.tag{ display:inline-block; padding:2px 9px; border-radius:99px; font-size:11px; font-weight:600 }
.tag.staff{ background:#e3f0ff; color:#0a56b3 }
.tag.customer{ background:#eaeef4; color:#4a5a6d }
.tag.off{ background:#fdebec; color:#b3262c }
.ok{ background:#e3f7e9; color:#157f3c; border:1px solid #b6e6c6; padding:10px 12px; border-radius:9px; font-size:13px; margin-bottom:16px }