input, textarea, select {
  font-size: 16px;
}
:root{
  --primary:#4f46e5;
  --secondary:#06b6d4;
  --text:#1e293b;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Inter',sans-serif;
}


body{
  min-height:100vh;
  background: linear-gradient(135deg, #f5f5f5, #e4e4e7);
  overflow-x:hidden;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  padding:40px 15px;
  display:block;  /* เอา flex ออก */
}



#particles{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  z-index:-1;
}

/* CARD */
.auth-card{
  width:380px;
  padding:40px 30px;
  border-radius:24px;
  background:rgba(255,255,255,0.75);
  backdrop-filter:blur(25px);
  border:1px solid rgba(255,255,255,0.6);
  box-shadow:0 20px 50px rgba(0,0,0,.08);
  animation:fadeIn 1s ease;
}


@keyframes fadeIn{
  from{opacity:0; transform:translateY(20px);}
  to{opacity:1; transform:translateY(0);}
}

.auth-logo img{
  width:90px;
  display:block;
  margin:0 auto 20px;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.1));
}
transition: transform .3s ease;
}

.auth-card:hover{
  transform: translateY(-5px);
}
.auth-wrapper{
  min-height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
}


h2{
  text-align:center;
  margin-bottom:25px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* FORM */
.form-group{
  display:flex;
  flex-direction:column;
  gap:18px;
}

input{
  padding:14px;
  border-radius:14px;
  border:1px solid #e2e8f0;
  transition:.3s;
}

input:focus{
  border-color:var(--primary);
  box-shadow:0 0 12px rgba(79,70,229,.2);
}

.password-field{
  position:relative;
}

.toggle-pass{
  position:absolute;
  right:15px;
  top:50%;
  transform:translateY(-50%);
  background:none;
  border:none;
  cursor:pointer;
}

/* BUTTON */
.btn-primary{
  padding:14px;
  border:none;
  border-radius:14px;
  font-weight:600;
  color:white;
  cursor:pointer;
  background:linear-gradient(135deg,var(--primary),#7c3aed);
  transition:.3s;
  position:relative;
  overflow:hidden;
}

.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 30px rgba(79,70,229,.3);
}

.btn-primary::after{
  content:"";
  position:absolute;
  top:0;
  left:-100%;
  width:100%;
  height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.5),transparent);
  transition:.6s;
}

.btn-primary:hover::after{
  left:100%;
}

/* FOOTER */
.auth-footer{
  text-align:center;
  margin-top:18px;
  font-size:14px;
  color:#666;
}

.auth-footer a{
  display:inline-block;
  margin-left:6px;
  padding:6px 14px;
  border-radius:20px;
  border:1.5px solid #6366f1;
  color:#6366f1;
  font-weight:500;
  text-decoration:none;
  transition:all .25s ease;
  background:transparent;
}

.auth-footer a:hover{
  background:#6366f1;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 4px 10px rgba(99,102,241,.25);
}

/* CONTACT */
.contact-box{
  margin-top:25px;
  padding:20px;
  border-radius:18px;
  background:linear-gradient(135deg,#eef2ff,#f0f9ff);
  text-align:center;
}

.line-btn{
  display:inline-block;
  margin-top:10px;
  padding:10px 16px;
  border-radius:12px;
  background:#06c755;
  color:white;
  text-decoration:none;
}

.qr-section img{
  width:100%;
  margin-top:15px;
  border-radius:12px;
}
.alert-pending{
  background:#fdecec;
  color:#b42318;
  border:1px solid #f5c2c2;
  padding:10px 14px;
  border-radius:10px;
  font-size:14px;
  text-align:center;
  margin-bottom:15px;
  box-shadow:0 2px 6px rgba(0,0,0,0.05);
}
.manual-btn-wrap{
  text-align:center;
  margin-top:12px;
}

.manual-btn{
  display:inline-block;
  padding:8px 16px;
  border-radius:10px;
  background:#eef2ff;
  color:#4f46e5;
  font-size:14px;
  text-decoration:none;
  font-weight:500;
  border:1px solid #dfe3ff;
  transition:.25s;
}

.manual-btn:hover{
  background:#e0e7ff;
  transform:translateY(-1px);
}