/* =======================================================================
   เงินกรู — Design System กลาง (ธีมดำพรีเมียม) · ทุกหน้าดึงไฟล์นี้ไปใช้
   แก้สี/สไตล์ที่นี่ที่เดียว = เปลี่ยนทั้งเว็บ
   ======================================================================= */
:root{
  --bg:#080c0a; --bg2:#0c1310; --card:#121b17; --card2:#0f1713;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.14);
  --ink:#eaf2ee; --ink-soft:#d6e2dc; --muted:#8ea299;
  --accent:#1fd39a; --accent-2:#12b98a; --accent-ink:#03251b;
  --gold:#e6c15a; --warn:#f0c674; --danger:#ff6b5a;
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"IBM Plex Sans Thai","Noto Sans Thai","Sarabun",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg); color:var(--ink); line-height:1.6; min-height:100vh;
  background-image:radial-gradient(900px 440px at 50% -90px,rgba(31,211,154,.16),transparent 70%);
  background-attachment:fixed;
}
a{color:inherit}
::selection{background:rgba(31,211,154,.3)}

/* ---------- Top nav (inject ด้วย ngern-nav.js) ---------- */
.ng-top{position:sticky;top:0;z-index:20;background:rgba(8,12,10,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.ng-topin{max-width:1040px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:10px}
.ng-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;text-decoration:none;color:var(--ink)}
.ng-brand .mk{width:30px;height:30px;border-radius:9px;background:var(--accent);color:var(--accent-ink);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800}
.ng-brand .gru{color:var(--accent)}
.ng-brand .tag{font-size:13px;font-weight:600;color:var(--muted);margin-left:2px}
.ng-links{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.ng-lnk{border:1px solid transparent;background:transparent;color:var(--ink-soft);border-radius:9px;
  padding:7px 12px;font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit;text-decoration:none;
  transition:background .12s,color .12s}
.ng-lnk:hover{background:rgba(255,255,255,.06);color:#fff}
.ng-lnk.on{color:var(--accent)}
.ng-lnk.pri{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.ng-lnk.pri:hover{background:var(--accent-2);color:var(--accent-ink)}
.ng-lnk.ghost{border-color:var(--line2)}

/* ---------- Layout ---------- */
.ng-wrap{max-width:1040px;margin:0 auto;padding:30px 20px 70px}
.ng-narrow{max-width:640px} .ng-mid{max-width:760px}

/* ---------- Card ---------- */
.ng-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.ng-card.hi{border-color:rgba(31,211,154,.4);box-shadow:0 0 0 1px rgba(31,211,154,.18),0 18px 46px rgba(31,211,154,.08)}

/* ---------- Buttons ---------- */
.ng-btn{border:1px solid var(--line2);background:transparent;color:var(--ink);border-radius:12px;
  padding:12px 16px;font-size:14.5px;font-weight:700;cursor:pointer;font-family:inherit;text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:background .12s,border-color .12s,opacity .12s}
.ng-btn:hover{border-color:var(--line2);background:rgba(255,255,255,.05)}
.ng-btn:disabled{opacity:.5;cursor:default}
.ng-btn.pri{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.ng-btn.pri:hover{background:var(--accent-2)}
.ng-btn.danger{color:var(--danger);border-color:rgba(255,107,90,.4)}
.ng-btn.block{width:100%}
.ng-btn.sm{padding:8px 13px;font-size:13px}

/* ---------- Inputs ---------- */
.ng-label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px;color:var(--ink-soft)}
.ng-input{width:100%;border:1px solid var(--line2);background:var(--bg2);color:var(--ink);border-radius:10px;
  padding:12px 14px;font-size:15px;font-family:inherit}
.ng-input::placeholder{color:var(--muted)}
.ng-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(31,211,154,.16)}

/* ---------- Messages ---------- */
.ng-msg{font-size:13.5px;padding:11px 14px;border-radius:10px;margin-top:14px;display:none}
.ng-msg.err{background:rgba(255,107,90,.1);border:1px solid rgba(255,107,90,.32);color:#ffb0a5;display:block}
.ng-msg.ok{background:rgba(31,211,154,.1);border:1px solid rgba(31,211,154,.3);color:var(--accent);display:block}

/* ---------- Badge / pill ---------- */
.ng-pill{display:inline-block;border-radius:20px;padding:4px 12px;font-size:12.5px;font-weight:700}
.ng-pill.accent{background:rgba(31,211,154,.12);border:1px solid rgba(31,211,154,.28);color:var(--accent)}
.ng-pill.gold{background:linear-gradient(90deg,#f0d27a,#e6c15a);color:#3a2c05}
.ng-pill.muted{background:rgba(255,255,255,.06);color:var(--muted)}

/* ---------- helpers ---------- */
.ng-h1{font-size:27px;font-weight:800;letter-spacing:-.4px}
.ng-sub{color:var(--muted);font-size:14px;margin-top:6px}
.ng-note{border:1px solid rgba(240,198,116,.3);background:rgba(240,198,116,.08);color:var(--warn);
  border-radius:11px;padding:11px 14px;font-size:13px}
.ng-center{text-align:center}
.ng-mut{color:var(--muted)}
.ng-acc{color:var(--accent)}