:root{
  --bg:#0d1117; --bg2:#0f1420; --card:#161d2b; --line:#243049; --text:#e8ecf5; --muted:#8b96ad;
  --accent:#4d8dff; --green:#3ddc84; --amber:#ffb547; --red:#ff6b6b; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI','Leelawadee UI','Noto Sans Thai',sans-serif;
     font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:1060px;margin:0 auto;padding:26px 20px 60px}
.muted{color:var(--muted)} .mt{margin-top:12px} .mb{margin-bottom:16px} .center{text-align:center}
h1{font-size:34px;line-height:1.3;margin-bottom:12px} h2{font-size:23px;margin-bottom:12px}
h3{font-size:17px;margin-bottom:8px} p{margin-bottom:10px}

/* ---- แถบบน ---- */
.nav{display:flex;align-items:center;gap:18px;padding:14px 22px;background:var(--bg2);
     border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;flex-wrap:wrap}
.nav .brand{font-size:18px;color:var(--text);text-decoration:none}
.nav nav{margin-left:auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.nav nav a{color:var(--muted)} .nav nav a:hover{color:var(--text);text-decoration:none}

.banner{background:rgba(77,141,255,.12);border-bottom:1px solid var(--line);padding:9px 22px;
        font-size:14px;display:flex;align-items:center;gap:12px;justify-content:center;flex-wrap:wrap}
.banner.warn{background:rgba(255,181,71,.12)}

/* ---- ปุ่ม ---- */
.btn{display:inline-block;border:1px solid var(--line);background:#111827;color:var(--text);
     border-radius:9px;padding:9px 16px;cursor:pointer;font-size:14px;font-family:inherit;text-decoration:none}
.btn:hover{border-color:var(--accent);text-decoration:none}
.btn-green{background:var(--green);color:#08331c;border:none;font-weight:700}
.btn-amber{background:var(--amber);color:#3d2600;border:none;font-weight:700}
.btn-ghost{background:transparent}
.btn-red{background:transparent;border-color:#5a2b2b;color:var(--red)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.sm{padding:5px 10px;font-size:13px}

/* ---- การ์ด / ตาราง ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.grid{display:grid;gap:16px}
.cols2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.cols3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.badge{display:inline-block;font-size:11px;font-weight:700;border-radius:20px;padding:2px 10px}
.b-green{background:rgba(61,220,132,.15);color:var(--green)}
.b-amber{background:rgba(255,181,71,.15);color:var(--amber)}
.b-red{background:rgba(255,107,107,.15);color:var(--red)}
.b-muted{background:#1e2637;color:var(--muted)}

/* ---- ฟอร์ม ---- */
label{display:block;font-size:12px;color:var(--muted);margin:12px 0 5px}
input,select,textarea{width:100%;background:#0f1622;border:1px solid var(--line);color:var(--text);
  border-radius:9px;padding:11px 13px;font-size:15px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
.form-card{max-width:440px;margin:40px auto}
/* ช่องรหัสผ่าน + ปุ่มลูกตา (ดูรหัสที่พิมพ์อยู่ได้) */
.pw-wrap{position:relative;display:block}
.pw-wrap input{padding-right:74px}          /* เว้นที่ให้ปุ่มเรา + ไอคอนของตัวจัดการรหัสอื่น */
.pw-eye{position:absolute;right:38px;top:50%;transform:translateY(-50%);background:transparent;
        border:none;cursor:pointer;font-size:16px;line-height:1;padding:4px;opacity:.75}
.pw-eye:hover{opacity:1}

.err{background:rgba(255,107,107,.12);border:1px solid #5a2b2b;color:#ffbcbc;border-radius:9px;
     padding:10px 13px;font-size:14px;margin-top:12px;display:none}
.err.show{display:block}
.ok{background:rgba(61,220,132,.1);border:1px solid #235c3c;color:#b8f5d3;border-radius:9px;padding:10px 13px;font-size:14px}

/* ---- หน้าแรก ---- */
.hero{text-align:center;padding:70px 20px 40px;max-width:820px;margin:0 auto}
.hero h1{font-size:42px} .hero p.lead{font-size:18px;color:var(--muted);margin:14px 0 26px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.pill{display:inline-block;background:rgba(61,220,132,.12);color:var(--green);border-radius:20px;
      padding:5px 14px;font-size:13px;font-weight:600;margin-bottom:16px}
.feat{display:flex;gap:13px;align-items:flex-start}
.feat .ico{font-size:22px;line-height:1.2}
.price{font-size:36px;font-weight:800;line-height:1.1}
.price small{font-size:14px;color:var(--muted);font-weight:400}
.plan.best{border-color:var(--green);box-shadow:0 0 0 1px var(--green) inset}
.checklist{list-style:none;margin-top:12px} .checklist li{padding:5px 0 5px 26px;position:relative;font-size:14px}
.checklist li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}

/* ---- คลังรหัส ---- */
.wrap.wide{max-width:1400px}                 /* หน้าคลังใช้พื้นที่กว้างกว่าหน้าอื่น = เห็นการ์ดได้ 4 ช่อง */
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.vcard{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:11px 13px}
.vcard:hover{border-color:#33456b}
.vhead{display:flex;justify-content:space-between;gap:6px;align-items:flex-start;margin-bottom:7px}
.vhead b{font-size:14px;line-height:1.35}
.vline{display:flex;align-items:center;gap:6px;margin:5px 0}
.vlbl{color:var(--muted);font-size:10px;width:30px;flex:0 0 auto}
.vval{flex:1;font-family:Consolas,monospace;font-size:12px;background:#0f1622;border:1px solid var(--line);
      border-radius:6px;padding:4px 7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vval.shown{color:var(--green);white-space:normal;word-break:break-all}
.iconbtn{background:transparent;border:1px solid var(--line);border-radius:6px;cursor:pointer;
         padding:3px 7px;font-size:12px;color:var(--text);line-height:1.4}
.iconbtn:hover{border-color:var(--accent)}
.lockbox{max-width:400px;margin:70px auto;text-align:center}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#000d;color:#fff;
       padding:10px 20px;border-radius:10px;font-size:14px;display:none;z-index:50}
.modal{position:fixed;inset:0;background:#000a;display:none;align-items:center;justify-content:center;z-index:40;padding:20px}
.modal.show{display:flex}
.modal .card{width:100%;max-width:460px;max-height:90vh;overflow:auto}
.reccode{font-family:Consolas,monospace;font-size:19px;letter-spacing:1px;color:var(--green);
         background:#0f1622;border:1px dashed var(--green);border-radius:10px;padding:14px;text-align:center;word-break:break-all}

footer{border-top:1px solid var(--line);background:var(--bg2);padding:26px 0;margin-top:40px}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:0}
@media(max-width:640px){ .hero h1{font-size:31px} h1{font-size:27px} .nav{padding:12px 14px} }