:root{
  --bg:#f7f8f9;
  --surface:#ffffff;
  --surface-2:#f1f4f5;
  --text:#14201f;
  --muted:#6c7a79;
  --primary:#15b8a7;
  --primary-dark:#10988b;
  --border:#dce7e6;
  --danger:#cf3c3c;
  --radius:22px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
body.is-ar{font-family:Cairo,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}

[hidden]{display:none !important}

.auth-shell{
  min-height:100svh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
}

.splash-card,
.login-card{
  width:min(100%,420px);
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:30px;
  padding:28px 22px;
}

.brand-logo{
  width:130px;
  height:57px;
  object-fit:contain;
  display:block;
  margin:0 auto 12px;
}
.brand-sub{
  text-align:center;
  color:var(--muted);
  font-size:13px;
  margin-bottom:22px;
}
.brand-sub a{color:var(--primary-dark);font-weight:700}

.splash-title,
.auth-copy h1{
  font-size:28px;
  line-height:1.1;
  margin:0 0 8px;
  text-align:center;
}
.splash-text,
.auth-copy p{
  margin:0 0 22px;
  text-align:center;
  color:var(--muted);
}

.lang-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.lang-btn{
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  border-radius:18px;
  padding:18px 14px;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.lang-btn i{
  font-size:22px;
  color:var(--primary);
}
.auth-form{display:flex;flex-direction:column;gap:10px}
.field-label{font-size:14px;font-weight:700}
.input-wrap{
  display:flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:18px;
  padding:0 14px;
}
.input-wrap i{color:var(--primary)}
.input-wrap input{
  width:100%;
  border:none;
  background:transparent;
  outline:none;
  padding:16px 0;
}
.icon-btn{
  width:38px;height:38px;
  border:none;background:transparent;
  color:var(--muted);cursor:pointer;
}
.auth-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin:4px 0 6px;
}
.check-wrap{
  display:flex;align-items:center;gap:8px;
  color:var(--muted);font-size:14px;
}
.text-btn{
  border:none;background:transparent;
  color:var(--primary-dark);
  font-weight:700;cursor:pointer;
  display:flex;align-items:center;gap:8px;
}
.error-box{
  background:#fff1f1;
  border:1px solid #f1c5c5;
  color:var(--danger);
  padding:12px 14px;
  border-radius:16px;
  font-size:14px;
}
.submit-btn{
  margin-top:8px;
  border:none;
  background:var(--primary);
  color:#fff;
  border-radius:18px;
  padding:16px;
  font-weight:800;
  cursor:pointer;
}
.submit-btn:disabled{opacity:.7;cursor:not-allowed}
.spinner{
  width:18px;height:18px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;
  display:inline-block;
  animation:spin 0.7s linear infinite;
}
.support-link{
  margin-top:18px;
  display:flex;justify-content:center;align-items:center;gap:8px;
  color:var(--primary-dark);
  font-weight:700;
}

@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:520px){
  .auth-shell{padding:14px}
  .splash-card,.login-card{
    width:100%;
    border-radius:24px;
    padding:22px 16px;
  }
  .splash-title,.auth-copy h1{font-size:24px}
}