/* ============================================================
   auth.css — สไตล์ร่วมของหน้าเข้าสู่ระบบและหน้าจัดการผู้ใช้
   ============================================================ */
:root{
  --ink:#1E2A45;
  --ink-soft:#3A4A6B;
  --brass:#B8862B;
  --brass-dark:#96691C;
  --brass-soft:#F6EED9;
  --paper:#FFFFFF;
  --line:#D7DBE4;
  --danger:#8C2F2F;
  --ok:#2F6B3A;
  --text:#22293A;
  --muted:#6B7385;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Anuphan',sans-serif;color:var(--text);
  min-height:100vh;display:flex;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(184,134,43,.16), transparent 60%),
    radial-gradient(900px 500px at -5% 110%, rgba(184,134,43,.10), transparent 55%),
    linear-gradient(135deg,#16203A 0%,#1E2A45 45%,#243458 100%);
}
button{font-family:inherit;cursor:pointer}
input,select{font-family:inherit;font-size:14px;color:var(--text)}
a{color:var(--brass);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- การ์ดหลัก ---------- */
.auth-wrap{
  margin:auto;display:grid;grid-template-columns:1.05fr .95fr;
  width:min(940px,94vw);min-height:540px;background:var(--paper);
  border-radius:20px;overflow:hidden;
  box-shadow:0 30px 80px rgba(6,11,24,.55),0 0 0 1px rgba(255,255,255,.06);
}
/* ฝั่งซ้าย: แบรนด์ */
.auth-brand{
  position:relative;color:#fff;padding:44px 40px;display:flex;flex-direction:column;
  background:
    linear-gradient(160deg, rgba(30,42,69,.94), rgba(20,29,52,.97)),
    repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 2px, transparent 2px 12px);
}
.auth-brand .logo{width:118px;height:auto;filter:drop-shadow(0 8px 20px rgba(0,0,0,.35))}
.auth-brand h1{font-size:25px;font-weight:700;margin-top:22px;letter-spacing:.4px;line-height:1.3}
.auth-brand .sub{font-size:14px;color:#C7CFE0;margin-top:8px;line-height:1.7}
.auth-brand .divider{height:1px;background:linear-gradient(90deg,var(--brass),transparent);margin:24px 0 18px;width:70%}
.auth-brand .tag{font-size:12.5px;color:#9AA6BF;line-height:1.85}
.auth-brand .tag b{color:#F2E7CD;font-weight:600}
.auth-brand .foot{margin-top:auto;font-size:11.5px;color:#7C88A4;padding-top:24px;line-height:1.6}

/* ฝั่งขวา: ฟอร์ม */
.auth-form{padding:48px 46px 40px;display:flex;flex-direction:column;justify-content:center}
.auth-form h2{font-size:21px;color:var(--ink);font-weight:700}
.auth-form .hi{font-size:13.5px;color:var(--muted);margin:7px 0 24px;line-height:1.6}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-bottom:7px}
.input{position:relative}
.input .ic{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none;display:flex}
.input input,.input select{
  width:100%;border:1.5px solid var(--line);border-radius:11px;
  padding:12px 44px 12px 40px;font-size:14.5px;background:#FBFBFD;transition:all .15s;
}
.input select{padding-left:40px}
.input input:focus,.input select:focus{outline:none;border-color:var(--brass);background:#fff;box-shadow:0 0 0 4px rgba(184,134,43,.13)}
.input .eye{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--muted);width:30px;height:30px;
  border-radius:7px;display:flex;align-items:center;justify-content:center;
}
.input .eye:hover{background:#F1F2F6;color:var(--ink)}
.remember{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-soft);cursor:pointer;margin-bottom:18px;user-select:none}
.remember input{accent-color:var(--brass);width:15px;height:15px}
.btn-primary{
  width:100%;border:none;border-radius:11px;padding:13px;font-size:15px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,#B8862B,#A2741F);cursor:pointer;
  box-shadow:0 8px 20px rgba(184,134,43,.32);transition:transform .12s,box-shadow .12s;
  display:flex;align-items:center;justify-content:center;gap:9px;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 11px 26px rgba(184,134,43,.42)}
.btn-primary:active{transform:translateY(0)}
.msg{
  display:none;align-items:center;gap:8px;font-size:12.5px;border-radius:9px;
  padding:9px 12px;margin-bottom:16px;line-height:1.5;
}
.msg.show{display:flex}
.msg.err{color:var(--danger);background:#FBEFEF;border:1px solid #E6C9C9}
.msg.ok{color:var(--ok);background:#EDF6EF;border:1px solid #C6E1CC}
.msg.shake{animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.note{font-size:11px;color:var(--muted);text-align:center;margin-top:20px;line-height:1.6}

@media(max-width:720px){
  .auth-wrap{grid-template-columns:1fr;min-height:0}
  .auth-brand{padding:34px 30px}
  .auth-brand h1{font-size:22px}
  .auth-form{padding:34px 30px 30px}
}