body {
  background-color: #0a1e3a;
  background-image: url("data:image/svg+xml;utf8,\
  <svg xmlns='http://www.w3.org/2000/svg' width='30' height='34' viewBox='0 0 30 34'>\
    <polygon points='15,0 30,8.66 30,25.94 15,34 0,25.94 0,8.66' \
    fill='none' stroke='rgba(255,255,255,0.06)' stroke-width='1'/>\
  </svg>");
  background-repeat: repeat;
  background-size: 30px 34px;
  min-height: 100dvh;
  margin: 0;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  box-sizing: border-box;
}

.login-wrapper {
  width: 100%;
  max-width: 360px;
  text-align: center;
  color: #fff;
}

.login-header {
  position: relative;
  background: rgba(255,255,255,0.1);
  padding: 24px 20px 35px;
  border-radius: 16px 16px 0 0;
  overflow: hidden;
}

.logo-wrapper {
  display: inline-block;
  background: #efd8a9;
  padding: 12px;
  border-radius: 50%;
  margin-bottom: 12px;
}

.logo-wrapper img {
  display: block;
  width: 64px;
  height: auto;
}

.login-header h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.login-header .sub1 {
  font-size: 0.8rem;
  opacity: 0.9;
  margin: 4px 0;
  color: #eee;
}

.login-header .sub2 {
  font-size: 0.7rem;
  opacity: 0.8;
  margin: 2px 0;
  color: #ddd;
}

.login-header svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
}

.login-card {
  background: #fff;
  color: #333;
  border-radius: 0 0 16px 16px;
  padding: 24px 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  margin-top: -24px;
}

.login-card h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.login-card .text-muted {
  margin-bottom: 14px;
  font-size: 0.85rem;
  color: #666;
}

.form-control {
  text-align: center;
  height: 44px;
  border-radius: 8px;
  font-size: 1rem;
}

.btn-login {
  margin-top: 12px;
  border-radius: 8px;
  width: 100%;
  height: 44px;
  font-weight: 600;
}

.error {
  color: #d63333;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

@media (max-width: 360px) {
  .login-header h2 { font-size: 1.05rem; }
  .login-card h3 { font-size: 1rem; }
  .form-control { font-size: 0.95rem; }
}