.w-full {
  width: -webkit-fill-available
}
.text-center {
  text-align: center;
}

.login-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  min-height: 100vh;
  background: linear-gradient(120deg, #e0e7ff 0%, #f8fafc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.18);
  padding: 32px 24px 24px 24px;
  max-width: 400px;
  width: 100%;
  min-width: 300px;
  margin: 0 auto;
  position: relative;
  z-index: 1001;
}

@media (max-width: 500px) {
  .login-card {
    padding: 18px 6px 12px 6px;
    min-width: unset;
  }
}

.login-card .btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-decoration: none !important;
  position: relative;
  overflow: hidden;
}

.login-card .btn-primary:hover {
  background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
  text-decoration: none !important;
  border: none;
}

.login-card .btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.login-card .btn-primary:focus {
  text-decoration: none !important;
  border: none;
  outline: none;
}

.login-card .btn-primary:visited {
  text-decoration: none !important;
}

.login-card .btn-primary:link {
  text-decoration: none !important;
}

/* Loại bỏ tất cả text-decoration cho button */
.login-card button[type="submit"] {
  text-decoration: none !important;
}

.login-card button[type="submit"]:hover {
  text-decoration: none !important;
}

.login-card button[type="submit"]:focus {
  text-decoration: none !important;
}

.login-card button[type="submit"]:active {
  text-decoration: none !important;
}

.login-card button[type="submit"]:visited {
  text-decoration: none !important;
}

.login-card button[type="submit"]:link {
  text-decoration: none !important;
}

/* CSS cho input fields trong login form */
.login-card .input-group {
  display: flex;
  width: 100%;
}

.login-card .form-control {
  flex: 1;
  height: 32px;
  border-radius: 0 6px 6px 0;
  border: 1px solid #e2e8f0;
  border-left: none;
  padding: 8px 12px;
  font-size: 14px;
  transition: all 0.3s ease;
}

/* .login-card .form-control:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  outline: none;
} */

.login-card .input-group-text {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-right: none;
  border-radius: 6px 0 0 6px;
  padding: 8px 12px;
  color: #64748b;
  height: 32px;
  display: flex;
  align-items: center;
  min-width: 32px;
  justify-content: center;
}

.login-card .input-group .form-control:focus {
  border-left: none;
}

/* Đảm bảo label có style đẹp */
.login-card .form-label {
  font-weight: 500;
  color: #374151;
  margin-bottom: 6px;
  font-size: 14px;
}