:root{
  --a-bg: #fbf1f2;
  --a-card: rgba(255,255,255,.78);
  --a-stroke: rgba(0,0,0,.08);
  --a-text: rgba(17,24,39,.92);
  --a-muted: rgba(17,24,39,.65);
  --a-red1:#b0192c;
  --a-red2:#7f0f1f;
  --a-shadow: 0 18px 40px rgba(0,0,0,.10);
}

.auth-body{
  background: radial-gradient(900px 500px at 20% 10%, rgba(176,25,44,.18), transparent 55%),
              radial-gradient(900px 500px at 90% 30%, rgba(127,15,31,.14), transparent 60%),
              var(--a-bg);
  min-height: 100vh;
  font-family: 'Poppins', sans-serif;
}

.auth-wrap{
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 30px 14px;
}

.auth-card{
  width: min(560px, 100%);
  background: var(--a-card);
  border: 1px solid rgba(255,255,255,.65);
  backdrop-filter: blur(10px);
  border-radius: 22px;
  box-shadow: var(--a-shadow);
  padding: 18px;
}

.auth-brand{
  display:flex;
  align-items:center;
  gap: 12px;
  padding: 6px 6px 14px;
}
.auth-badge{
  width: 46px; height: 46px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, var(--a-red1), var(--a-red2));
  color:#fff;
  box-shadow: 0 14px 22px rgba(176,25,44,.22);
}
.auth-title{ font-weight: 900; font-size: 18px; color: var(--a-text); line-height:1.1; }
.auth-subtitle{ font-weight: 700; font-size: 12px; color: var(--a-muted); margin-top: 2px; }

.auth-tabs{
  display:flex;
  gap: 10px;
  padding: 10px 6px 0;
}
.auth-tab{
  flex:1;
  border: 1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.75);
  border-radius: 14px;
  padding: 12px 12px;
  font-weight: 900;
  cursor:pointer;
  color: rgba(17,24,39,.8);
}
.auth-tab.active{
  border-color: rgba(176,25,44,.25);
  background: rgba(176,25,44,.10);
  color: rgba(17,24,39,.92);
}

.auth-panel{ display:none; padding: 14px 6px 6px; }
.auth-panel.active{ display:block; }

.auth-form{ display:flex; flex-direction:column; gap: 12px; }

.auth-field label{
  display:block;
  font-size: 12px;
  font-weight: 900;
  color: rgba(17,24,39,.75);
  margin-bottom: 6px;
}

.auth-field input, .auth-field select{
  width:100%;
  padding: 14px 14px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.10);
  background: rgba(255,255,255,.86);
  font-weight: 700;
  outline: none;
}

.auth-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.auth-btn{
  width:100%;
  border:none;
  border-radius: 999px;
  padding: 14px 16px;
  font-weight: 900;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
}
.auth-btn.primary{
  color:#fff;
  background: linear-gradient(135deg, var(--a-red1), var(--a-red2));
  box-shadow: 0 14px 24px rgba(176,25,44,.22);
}

.auth-hint{
  margin-top: 6px;
  font-size: 12px;
  color: rgba(17,24,39,.55);
}

.auth-msg{
  min-height: 18px;
  font-size: 13px;
  font-weight: 800;
  color: rgba(17,24,39,.75);
}
.auth-msg.ok{ color: #166534; }
.auth-msg.err{ color: #b91c1c; }

.plan-toggle{
  display:flex;
  gap: 8px;
}
.plan-btn{
  flex:1;
  border: 1px solid rgba(0,0,0,.10);
  background: rgba(255,255,255,.78);
  border-radius: 14px;
  padding: 10px 10px;
  cursor:pointer;
  text-align:left;
}
.plan-btn.active{
  border-color: rgba(176,25,44,.35);
  background: rgba(176,25,44,.10);
}
.plan-btn .pname{ display:block; font-weight: 900; color: rgba(17,24,39,.9); font-size: 13px; }
.plan-btn .pdesc{ display:block; font-weight: 800; color: rgba(17,24,39,.55); font-size: 11px; margin-top: 2px; }

.auth-footer{
  padding: 10px 6px 2px;
  text-align:center;
}
.auth-footer a{
  text-decoration:none;
  font-weight: 900;
  color: rgba(17,24,39,.75);
}

@media (max-width: 560px){
  .auth-row{ grid-template-columns: 1fr; }
}