:root{
  /* BNG navy primary + medium-blue secondary */
  --red:#203890; --red-d:#182a70;
  --blue:#2f6bd8; --blue-d:#1f4fad;
  --ink:#1f2733; --muted:#5b6573; --line:#e6e9ee;
  --bg:#f4f6fa; --card:#fff; --green:#1aa861; --yellow:#e0a800;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,Arial,"Helvetica Neue",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:920px;margin:0 auto;padding:0 16px}

/* top bar */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--red);font-size:16px}
.brand svg{width:24px;height:24px}
.brand img{height:30px;width:auto;display:block}
.brand .sub{font-weight:700;font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:9px}
.nav{display:flex;align-items:center;gap:14px;font-size:14px;font-weight:600}
.nav .bal{background:#eef4ff;color:var(--blue-d);padding:5px 10px;border-radius:20px}

/* buttons */
.btn{display:inline-block;border:0;border-radius:8px;padding:11px 20px;font-size:15px;font-weight:700;cursor:pointer;color:#fff;text-align:center}
.btn-red{background:var(--red)} .btn-red:hover{background:var(--red-d);text-decoration:none;color:#fff}
.btn-blue{background:var(--blue)} .btn-blue:hover{background:var(--blue-d);text-decoration:none;color:#fff}
.btn-ghost{background:#eef1f6;color:var(--ink)} .btn-ghost:hover{background:#e2e6ee;color:var(--ink);text-decoration:none}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-block{display:block;width:100%}

/* hero */
.hero{text-align:center;padding:34px 16px 10px}
.hero .star{font-size:46px;line-height:1}
.hero h1{color:var(--red);font-size:26px;margin:8px 0 10px;letter-spacing:.3px}
.hero p{max-width:640px;margin:0 auto;color:var(--muted);font-size:15px}
.hero .cta{margin-top:16px;display:flex;gap:10px;justify-content:center}

/* card / form */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;margin:20px 0;box-shadow:0 1px 3px rgba(20,30,50,.04)}
.section-title{text-align:center;font-size:22px;font-weight:800;margin:26px 0 6px}
.step{margin:16px 0}
.step .lbl{font-weight:700;font-size:14px;display:block;margin-bottom:6px}
.step .hint{color:var(--muted);font-size:12.5px;margin:4px 0 0}
input,textarea{width:100%;border:1px solid #d7dce4;border-radius:8px;padding:11px 12px;font-size:14px;font-family:inherit;background:#fff}
input:focus,textarea:focus{outline:none;border-color:var(--blue)}
textarea{min-height:60px;resize:vertical}
.total{text-align:center;font-size:20px;margin:18px 0;font-weight:700}
.total b{color:var(--red)}
.note-box{background:#fff8e6;border:1px solid #ffe08a;border-radius:8px;padding:12px 14px;font-size:13px}
.note-box .ttl{font-weight:700;color:#b9770a}

/* alerts */
.alert{padding:11px 14px;border-radius:8px;margin:14px 0;font-size:14px}
.alert-ok{background:#e6f7ee;border:1px solid #a5e3c2;color:#0d7a45}
.alert-err{background:#fdeaea;border:1px solid #f3b6b6;color:#b02525}

/* auth */
.auth{max-width:400px;margin:40px auto}
.auth h2{text-align:center;color:var(--red)}
.auth .step{margin:12px 0}
.auth .swap{text-align:center;margin-top:14px;font-size:14px}

/* info content */
.info h2{font-size:19px;margin:26px 0 8px;border-bottom:2px solid var(--line);padding-bottom:6px}
.info h3{font-size:15.5px;margin:14px 0 4px}
.info ul{margin:6px 0 6px 4px;padding-left:20px}
.info li{margin:3px 0;font-size:14px}
.info p{font-size:14px}
.kw{background:#eef4ff;border-radius:5px;padding:1px 6px;font-weight:600;font-size:13px;white-space:nowrap}

/* tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f7f9fc;font-weight:700;white-space:nowrap}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:700;white-space:nowrap}
.badge-gray{background:#eceff3;color:#5b6573}
.badge-yellow{background:#fff3cf;color:#9a7400}
.badge-blue{background:#e3edff;color:#1452c9}
.badge-green{background:#dcf6e8;color:#0d7a45}
.badge-red{background:#fde2e2;color:#c12727}

/* admin tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.tabs a{padding:8px 16px;border-radius:8px;background:#eef1f6;color:var(--ink);font-weight:600;font-size:14px}
.tabs a.active{background:var(--blue);color:#fff}
.inline-form{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.inline-form select,.inline-form input{width:auto;padding:6px 8px;font-size:13px}

/* footer */
.footer{text-align:right;color:var(--ink);font-weight:700;padding:20px 0 50px;font-size:14px}
.footer .red{color:var(--red)}
.muted{color:var(--muted)}

@media(max-width:600px){
  .hero h1{font-size:21px}
  .nav{gap:9px;font-size:13px}
  .brand{font-size:14px}
}